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| TA1276AN TENTATIVE TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA1276AN PAL / NTSC VIDEO CHROMA AND DEFLECTION IC FOR CTV (NORMAL SCAN / DOUBLE SCAN MODE) TA1276AN provides Video, Chroma and Deflection (Sync, when double scan mode) circuit for a PAL / NTSC Color TV, and suitable for a high picture quality, large screen size, wide and / or double scanning TV. These functions are integrated in a 56pin dual-in-line shrink-type plastic package. TA1276AN provides a high-performance video processor in which a YUV double scanning signal can be applied in Video, PAL / NTSC auto-detection circuit in Chroma and 50 / 60Hz auto-detection circuit in Sync. PAL demodulation circuit includes Baseband signal processing system. And this demodulation circuit does not required any adjustment. TA1276AN includes I2C bus interface, so you can adjust various functions and controls via the bus. Weight: 5.55g (Typ.) 1 2002-03-29 TA1276AN FEATURES l Video / Chroma section * Y delay line * Chroma trap * IQ demodulation for NTSC, UV demodulation for PAL l BEP (Back End Processor) section * Enable to process a YUV signal independently * Double scanning signal processing capability (Y processing section) * Black Stretcher (Controlled by I2C bus) * Highbright-color Circuit * D.L. Aperture Sharpness Circuit+Super Real Transcend Circuit (LTI) * Correction (Enable to control Binary line, Gain / Start point) * Y noise reduction circuit * Velocity Scan Modulation output (The first order differential output and phase / amplitude adjustment) (Color difference section) * Color Detail Enhancer * Selectable relative phase and amplitude * Flesh-color restoration * Color circuit * Baseband tint color (Text section) * RGB primary color output * On Screen Display interface * Linear RGB interface * Fast Blanking * Drive control * AKB (only black level) or Cut-off Bus control l Deflection section * High Performance Sync. Separation Circuit * Adjustment free H and V oscillation circuit by Countdown system * Horizontal and Vertical position adjustment * Sync separation, HD output * Horizontal and Vertical pulse output in normal mode. * DC Restoration Circuit (Controlled by I2C bus) 2 2002-03-29 TA1276AN BLOCK DIAGRAM 3 2002-03-29 TA1276AN TERMINAL FUNCTIONS PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL DC Outputs oscillation waveform of VCXO. When 3.58NTSC killer-off this pin voltage sets 3.2V. When B / W or other systems killer-off, this pin voltage sets 1.4V. 3.58NTSC :3.2V B / W or Others system :1.4V AC 0.6Vp-p 1 fsc output 2 SCP output Outputs SCP (Sand Castle Pulse). The output signal consists of clamp pulse, horizontal blanking pulse, and vertical blanking. The minimum load resistance is 3k. 3 SECAM control The input / output pin that is used to control the SECAM demodulation IC. When current stronger than 250A flows from this pin, that is recognized as SECAM. When PAL / NTSC 4.0V When SECAM 0.75V 4 Y1 output Outputs the Y signal that routed the fsc TRAP (TRAP can be turned on or off with Bus.) and the Y delay line circuit. 5 Outputs B-Y (U) or I signal. U / Q output It includes LPF that can remove carrier. DC 2.5V Rainbow color bar : 360mVp-p 4 2002-03-29 TA1276AN PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL 6 V / I output Outputs R-Y (V) or Q signal.It includes LPF that can remove carrier. The chroma signal that routed ACC and TOF circuits (before demo input) can be monitored by pulling up this pin at 10k. DC 2.5V Rainbow color bar : 360mVp-p 7 1H DL control Outputs the result of whether the signal is PAL, SECAM or NTSC. Connect the output to the 1H DL IC. In the case of discrimination between white or black, the voltage just before that is retained. The voltage immediately after turning-on is not fixed. 8.4V: PAL 4.3V: SECAM 0V: NTSC 8 9 10 4.43MHz X'tal M PAL X'tal 3.58MHz X'tal Connect X'tal. In the case of series capacity, the oscillation frequency (f0) can be changed. In the case of parallel capacity, the changeable range of frequency can be changed. DC 4.0V 90mVp-p 11 APC filter Connect APC filter demodulating the chroma. The oscillation frequency of VCXO varies depending on the voltage at this pin. DC 12 VCC1 (5V) The VCC of the chroma and I C Bus blocks. Connect 5V (Typ.) 2 5 2002-03-29 TA1276AN PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL 13 Chroma input The pin through which the chroma is input. Input the chroma signal that was subjected to Y / C separation. 14 Chroma GND The GND pin of the chroma processing block. 15 Y1 / SYNC input The pin through which the composite video signal or Y signal is input. Input via clamp capacitor. 16 V-Sep. Connect the filter separating the vertical synchronization. DC6.4V 17 HD output (1) When BUS HD-OUT = 0 Output the HD pulse (pulse duration : 1s) together with AFC. This pin also serves as the external input pin that accepts BPP (black peak detection stopping pulse) signal. (2) When BUS HD-OUT = 1 When AKB mode is ON, the pulse which covers AKB reference period is output. 6 2002-03-29 TA1276AN PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL 18 SYNC. output Output the synchronizing signal that was separated in the synchronous separation circuit. This pin is of the open collector system. Connect the pull-up resistor. 19 DEF GND The GND pin of DEF block. 20 AFC filter Connect the filter for horizontal AFC. The frequency of the horizontal output varies depending on the voltage at this pin. DC 21 32fH VCO Connect the ceramic oscillator for horizontal oscillation. The oscillator to be used is CSBLA503KECZF30, made by Murata electronics. 22 DEF VCC (9V) The VCC of DEF block. Connect 9V (Typ.) to this pin. 23 Horizontal output (Mode SW) Produces the horizontal output. Connecting the DEF VCC to this pin can swich Double Scan mode. In this case, the horizontal output is not produced. HIGH: 3.2V LOW: 0.2V 7 2002-03-29 TA1276AN PIN No. PIN NAME FUNCTION (1) Used to correct distortion of picture in the case of high-tension fluctuation. Input the AC component of high-tension fluctuation. To disactivate the distortion correction feature, connect a capacitor of 0.01F between this pin and GND. (2) Double scan mode This pin is to input external CP (Clamping Pulse) and BPP (Black Peak detection stopping Pulse). INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL (1) DC 4.5V (2) 24 Curve correction (Ext. CP / BPP input) 25 FBP input The pin through which FBP is input to generate pulses for horizontal AFC2, Y smoothing, and horizontal blanking. When double SCAM mode, input H blanking pulse (5V or over). 26 Digital GND The GND pin of I L block. 2 27 SDA The SDA pin of I C bus. 2 28 SCL The SCL pin of I C bus. 2 8 2002-03-29 TA1276AN PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL 29 30 BS/H GS/H These pins are to be connected with a capacitor for sampling and holding a bais voltage in the AKB operation, of for clamping to set DC voltage of RGB outputs in the no-AKB mode. DC 31 VP output Outputs the vertical pulse. This pin also serves as the external blanking input. When current stronger than 350 A flows, blanking takes place due to the internal blanking and OR logic circuit. 32 YS2 Switches between the internal RGB signal and analog RGB (pin 33, 34, 35) signal. When this switch is on, the VSM output is muted. 33 34 35 Analog B input Analog G input Analog R input The pin through which the analog RGB is input. Input the RGB signal via clamp capacitor. 36 YS1 Switches between the internal RGB signal and OSD / analog RGB (pin 37, 38, 39). When this switch is on, the VSM output is muted. 9 2002-03-29 TA1276AN PIN No. PIN NAME FUNCTION The pin through which the OSD signal or analog RGB is input. 37 38 39 Analog OSD B input (1) When inputting an OSD signal, input the ODS signal with a voltage of 0~5V (4.1V or more). INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL Analog OSD G input (2) When inputting an analog RGB, input the RGB signal via Analog OSD clamp capacitor. R input ACL works on this input signal only when the entire screen is YS1-HI (the entire screen : OSD). VCC2 (9V) The VCC pin of the text block. Connect 9V (Typ.). 40 41 42 43 B output G output R output Outputs RGB. 44 TEXT GND The GND pin of TEXT block. Used to control the external uni-color, brightness, and dynamic ABL. Use this pin when using ABL or ACL. The sensitivity and starting point of the ABL and dynamic ABL can be set by using bus. 45 ABCL input ABCL OFF : 6V or more 10 2002-03-29 TA1276AN PIN No. 46 PIN NAME FUNCTION The VCC pin of picture quality and color difference blocks. Connect 9V (Typ.). INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL VCC3 (9V) 47 YM input The half-tone switch for internal RGB signal. When the voltage at this pin is set to 7.0V or more, the RGB output voltage. 48 VSM output Outputs the Y-signal that routed HPF after it had been subjected to DC restoration. The output is muted with the switches of pins 32 and 36. DC 3.5V 49 APL detection Connect the filter correcting DC restoration ratio. Opening this pin can monitor the Y-signal that was subjected to black stretching. DC 50 Black peak hold Connect the filter controlling the black stretching gain of the black stretching circuit. The black stretching gain varies depending on the voltage at this pin. DC 11 2002-03-29 TA1276AN PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT INPUT / OUTPUT SIGNAL 51 52 V / I input U / Q input The pin through which R-Y (V) / I and B-Y (U) / Q signals are input. Input via clamp capacitor. When Burst : Chroma = 1:1 360mVp-p DC : 5.0V 53 Y2 input The pin through which B-Y (V) / I and R-Y (U) / Q signals are input. Input via clamp capacitor. 54 Color limiter Color the filter detecting the color limit. DC 55 RS/H The same as pin 29 and 30. The same as pin 29 and 30. DC 56 SENSE input This pin is to sense IK voltage feed-back from a CRT Drive circuit. 12 2002-03-29 TA1276AN BUS CONTROL MAP WRITE MODE SLAVE ADDRESS : 88H (10001000) SUB ADDRESS 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 HD-OUT Y-DL R-Y PHASE COLOR SYSTEM VSM PHASE R / B GAIN P / N-ID VSM GAIN HI BRT SUB COLOR SUB CONTRAST G (R) DRIVE B DRIVE HORIZONTAL POSITION R CUT OFF G CUT OFF B CUT OFF G / B GAIN BB SW OSD-SL G-Y PHASE OS-ACL TX-ACL VSM-PB DC REST. LIMIT VSM-H.PB FREQ B.D.L. BS-ARE HV-SepL V-OFF D7 MSB P-MUTE D6 D5 D4 D3 UNI-COLOR BRIGHTNESS COLOR TINT SHARPNESS RGB BRIGHTNESS RGB CONTRAST COLOR Y- CURVE CLT FLESH DR-SW CDE H-BLK Y-MUTE YM-SW YNR WPS L D2 D1 D0 LSB PRESET MSB LSB 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 APACON PEAK f0 DC RESTORATION POINT BLACK STRETCH POINT SHR-TRACKING TEST DC RESTORATION RATE APL VS BSP RGB- B.L.C. Y- PNT B.S.G. DYNAMIC ABL POINT ABL POINT V-BLK C-TRAP DYNAMIC ABL GAIN ABL GAIN AKB MODE RGB OUT MODE VERTICAL POSITION TOF-Q VERTICAL FREQUENCY TOF f0 READ MODE SLAVE ADDRESS : 89H (10001001) D7 0 1 PORSET N-DET D6 D5 D4 X'tal IQ-IN Y2-IN D3 D2 V-FREQ H-OUT D1 V-STD VP-OUT D0 H-LOCK IK-IN COLOR SYSTEM RGBOUT Y1-IN 13 2002-03-29 TA1276AN BUS CONTROL FEATURE WRITE MODE ITEM P-MUTE UNI-COLOR BRIGHTNESS COLOR Y-MUTE TINT TM-SW SHARPNESS YNR RGB BRIGHTNESS WPS L HI BRT RGB CONTRAST SUB COLOR COLOR CLT SUB CONTRAST Y- CURVE FLESH G (R) / B DRIVE DG-SW CDE HORIZONTAL POSITION HV-SepL V-OFF H-BLK R / G / B CUTOFF EXPLAIN Picture mute SW ; (0) : OFF, (1) : ON Uni-color adjustment ; -18dB~0dB Brightness adjustment (including sub adjustment) ; -40IRE~+40IRE Color adjustment ; -20dB (Color mute)~+4dB Y mute SW ; (0) : ON, (1) : OFF Hue adjustment ; -32~+32 Half-tone SW (YUV input) ; (0) : OFF, (1) : ON Sharpness adjustment ; -20dB~+14dB Y Noise Reduction SW ; (0) : OFF, (1) : ON RGB Brightness Adjustment ; -20IRE~+20IRE White Peak Suppression Level ; (0) : 130IRE, (1) : 110IRE High-bright color ; (0) : OFF, (1) : ON RGB Contrast ; -18dB~0dB Sub-color ; -4dB~0dB~+3dB Color correction point ; (00) : OFF, (01) : 0.2Vp-p, (10) : 0.4Vp-p, (11) : 0.6Vp-p Color Limiter Level ; (0) : 1.8Vp-p, (11) : 2.2Vp-p Sub-contrast adjustment ; -3dB~+3dB Y- curve switching ; (00) : OFF, (01) : -2.5dB, (10) : -5.6dB, (11) : -7dB Flesh color ; (0) : OFF, (1) : ON R (G) / B drive gain adjustment ; -5dB~0dB~+3dB Drive gain base axis switching ; (0) : G, (1) : R Color Detail Enhancer ; (0) : ON (Foced OFF when sharpness go through), (1) : OFF Horizontal position adjustment ; -3s~+3s Sync separation level ; (from SYNC TIP) (0) : 35%, (1) : 40% Vertical output SW ; (0) : ON, (1) : OFF Horizontal blanking SW ; (0) : ON, (1) : OFF R / G / B cut-off adjustment ; * When AKB-OFF : RGB output2V~2.5V~3V * When AKB-ON : SENS input 1Vp-p~1.5Vp-p~2Vp-p (5IRE) R-Y relative phase switching ; (00) : 90, (01) : 92, (10) : 94, (11) : 112 R / B relative amplitude switching ; (00) : 0.56, (01) : 0.68, (10) : 0.79, (11) : 0.86 G / B relative amplitude switching ; (00) : 0.3, (01) : 0.34, (10) : 0.4, (11) : 0.45 G-Y relative phase switching ; (00) : 236, (01) : 240, (10) : 244, (11) : 253 PRESET ON Center Center 0dB ON 0 OFF +8dB OFF 0IRE 130IRE OFF -18dB 0dB OFF 1.8Vp-p 0dB OFF OFF 0dB (40h) G ON 0s 35% ON ON Center (80h) 90 0.56 0.3 236 R-Y PHASE R / B GAIN G / B GAIN G-Y PHASE 14 2002-03-29 TA1276AN ITEM Color system ; System X'tal Color difference mute Forced OFF Forced OFF Forced OFF Forced OFF Forced OFF Forced OFF Forced OFF Forced OFF Color TINI difference control input I/Q U/V U/V U/V U/V U/V U/V U/V Enable Enable Enable Enable Enable Enable Enable Enable NTSC (000) EXPLAIN PRESET COLOR SYSTEM (000) : NTSC (001) : NTSC (010) : NTSC (011) : PAL (100) : PAL (101) : SECAM (110) : MULTI (111) : Trinorma 3.58 3.58 4.43 4.43 (N) M 4.43 3.58 / 4.43 3.58 / M / N P / N ID BB SW OSD-SL OS-ACL TX-ACL VSM PHASE VSM GAIN PAL / NTSC ident sensitivity switching ; (0) : LOW (When digital comb filter used), (1) : Normal Blue Back SW ; (0) : OFF, (1) : ON OSD peak suppressing level switching ;(0) : 96IRE, (1) : 76IRE OSD ACL SW ; (0) : ON, (1) : OFF RGB ACL SW ; (0) : Gain 1 / 2, (1) : Normal VSM output phase switching ; (00) : -40ns, (01) : -20ns, (10) : 0ns, (11) +20ns VSM output gain switching ; (00) : 0dB, (01) : -6dB, (10) : -9dB, (11) : OFF Apacon peak frequency switching ; (000) : Through (Apacon off), (001) : 4.0MHz, (010) : 3.3MHz, (011) : 2.5MHz, (100) : Through (Apacon off), (101) : 13MHz, (110) : 10MHz, (111) : 8MHz VSM output horizontal parabolic modulation SW ; (0) : Parabolic modulation OFF, (1) : ON (Nearby sharpness -3dB) DC restoration start point ; (000) : 0% ~ (111) : 42% DC restoration rate ; (000) : 100%~(111) : 130% DC restoration limit point ; (APL) (00) : 100%, (01) : 87%, (10) : 73%, (11) : 60% Black stretcher start point ; When APL 0% (000) : 22IRE~(111) : 56IRE APL level vs. black stretcher start point ; (00) : 0dB~(11) : 1.5dB, BSP+APLxBSPxAVS Y- point switching ; (0) : 100IRE, (1) : 95IRE VSM output horizontal parabolic frequency ; (00) : 15.7kHz, (01) : 24.8kHz, (10) : 31.5kHz, (11) : 33.75kHz Sharpness tracking ; (00) : HIGH, (11) : LOW LOW OFF 96IRE ON Gain1 / 2 -40ns 0dB APACON PEAK f0 (000) Through VSM PB DC RESTORATION POINT DC RESTORATION RATE DC REST. LIMIT BLACK STRETCH POINT (BSP) APL VS BSP (AVS) Y- PNT VSM-H. PB FREQ SHR-TRACKING Parabolic modulation OFF 0% 100% 100% 22IRE 0dB 100IRE HIGH 15 2002-03-29 TA1276AN ITEM EXPLAIN Test mode ; (0) : NORMAL (1) : Test mode (For factory test) Switched by sub-address 17H TEST NORMAL RGB- B.L.C. B.S.G. B.D.L. BS-ARE DYNAMIC ABL POINT DYNAMIC ABL GAIN AKB MODE ABL POINT ABL GAIN RGB OUT MODE HD-OUT V-BLK OFF OFF ON 3IRE ON MIN MIN (00) AKB OFF+ S / H LOW MIN MIN NORMAL HD output ON VERTICAL FREQUENCY (000) AUTO VERTICAL POSITION Y-DL C-TRAP TOF-f0 TOF-Q 0H OFF OFF TOF OFF 0.6 16 2002-03-29 TA1276AN DELAY TIME FROM Y1 INPUT (PIN 15) TO Y1 OUTPUT (PIN 4) COLOR B/W TRAP Y-DL OFF ON OFF OFF ON ON OFF OFF ON ON OFF ON 295ns 375ns 295ns (4.43) 295ns (3.58 / M / N) 375ns (4.43) 375ns (3.58 / M / N) 295ns (4.43) 310ns (3.58 / M / N) 375ns (4.43) 390ns (3.58 / M / N) 495ns 575ns DELAY TIME OFF PAL / NTSC ON SECAM READ MODE CHARACTERISTIC PORSET COLOR SYSTEM X'tal V-FREQ V-STD H-LOCK N-DET RGBOUT, Y1-IN, IQ-IN, Y2-IN, H-OUT, VP-OUT IK IN EXPLAIN Power On Reset ; (0) : RESISTER PRESET, (1) : NORMAL Color system ; Receiving system (Judgement of ID ON / OFF) (00) : B / W, (01) : SECAM, (10) : PAL, (11) : NTSC X'tal Mode ; (00) : , (01) : 4.43 (N), (10) : M, (11) : 3.58 Vertical frequency ; (0) : 50Hz, (1) : 60Hz Vertical Standard ident ; (0) NON-STANDARD, (1) : STANDARD Horizontal Lock ident ; (0) : LOCK, (1) : UN-LOCK Noise ident result ; (0) : FEW, (1) : MANY Self-ident result ; (0) : NG, (1) : OK IK input ident result ; (0) : NG, (1) : OK 17 2002-03-29 TA1276AN I C BUS TRANSMISSION / RECEIVING SLAVE ADDRESS : 88H A6 1 A5 0 A4 0 A3 0 A2 1 A1 0 A0 0 W/R 0/1 2 Start / stop condition Bit transmission Confirmation response 18 2002-03-29 TA1276AN DATA TRANSMIT FORMAT 1 DATA TRANSMIT FORMAT 2 DATA RECEIVE FORMAT At the moment of the first acknowledge, the master transmitter becomes a master receiver and the slave receiver becomes a slave transmitter. This acknowledge is still generated by the slave. The STOP condition is generated by the master. OPTIONAL DATA TRANSMIT FORMAT : AUTOMATIC INCREMENT MODE In this transmission method, data is set on automatically incremented sub-address from the specified sub-address. Purchase of TOSHIBA I2C components conveys a license under the Phillips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C standard Specification as defined by Phillips. 19 2002-03-29 TA1276AN O Pin 23 H-out (Mode SW) You can select the Double Scan Mode (External CP (Clamping Pulse) input Mode), by connecting Pin 23 to DEF VCC. (The threshold of Pin 23 : 8.7V = DEF VCC-0.3V) When Double Scan Mode, function of Pin 24 and 25 are changed. l Normal Scan (Internal CP) Mode : Pin 23 H-out The function of Pin 24 is curve correction input, that of Pin 25 is FBP (Flay Back Pulse) input. The input signals of Y2, U / I and V / I inputs (Pin 53, 52 and 51), Analog OSD inputs (Pin 39, 38 and 37), Analog RGB inputs (Pin 35, 34 and 33) are clamped of the internal CP based on the Y1 / Sync input (Pin 15). l Double Scan (External CP input) Mode : Pin 23 H-out The function of Pin 24 is EXT / BPP (Note) input, that of Pin 25 is H / V BLK (blanking) input. The input signals of Y2, U / I and V / I inputs (Pin 53, 52 and 51), Analog OSD inputs (Pin 39, 38 and 37), Analog RGB inputs (Pin 35, 34 and 33) are clamped of the external CP based on Pin 24. In case of Double Scan Mode, bus "V-BLK" should be set (1) ; OFF. TERMINAL FUNCTIONS MODE PIN No. Pin 23 Pin 24 Pin 25 Pin 53, 52, 51 Pin 39, 38, 37 Pin 35, 34, 33 Pin 15 Pin 17 Pin 31 Normal scan ; Y / Sync signal input Normal scan ; HD pulse output (based on Pin 15) Normal scan ; VP output (based on Pin 15) Clamping by internal CP (based on Pin 15) Clamping by external CP (based on Pin 24) NORMAL SCAN MODE (INTERNAL CP) H-out Curve correction signal input FBP input (for AFC-2 detection, H BKL) DOUBLE SCAN MODE (EXTERNAL CP INPUT) DEF VCC (9V) EXT CP / BPP input H / V BLK input (for RGB H / V BLK, AKB) Note: BPP : Black Peak detection stopping Pulse MAXIMUM RATINGS (Ta = 25C) CHARACTERISTIC Supply Voltage Input Terminal Voltage Power Dissipation Power Dissipation Reduction Rate Operating Temperature Storage Temperature SYMBOL VCCmax einmax PD (Note 1) 1 / ja Topr Tstg RATING 12 9 1920 15.4 -20~65 -55~150 UNIT V Vp-p mW mW / C C C Note 1: Refer to the figure below. Fig. Power dissipation reduction against higher temperature 20 2002-03-29 TA1276AN RECOMMENDED CONDITION IN USE CHARACTERISTIC Supply Voltage Pin 5 Pin 22, Pin 40, Pin 46 White : 100%, including, synchronization (Synchronization : minus) When TOF OFF (Burst level) When TOF ON (Burst level) B:C=1:1 When OSD input (DC coupling) When analog RGB input (AC coupling) DESCRIPTION MIN 4.3 8.7 0.9 200 100 4.2 0.4 0.4 11 TYP. 5.0 9.0 1.0 300 200 300 0.5 0.5 12 1.0 3.0 0.5 MAX 5.3 9.3 1.1 400 300 5.0 0.6 0.6 13 1.5 2.0 10.0 1.0 mA UNIT V Y1 / Sync, Y2 Input Signal Level Vp-p Chroma Input Signal Level I / Q, U / V Input Level OSD / Analog RGB Input Level Analog RGB Input Level FBP Width FBP Input Current RGB Output Current H. Output Current Pin 18 Input Current mVp-p mVp-p V Vp-p s ELECTRICAL CHARACTERISTICS SUPPLY CURRENT PIN NAME VCC1 VCC2 VCC3 DEF VCC (VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 25C, unless otherwise specified) SYMBOL ICC1 ICC2 ICC3 ICC4 TEST CIRCUIT MIN 34.0 33.0 32.0 9.5 TYP. 40.5 40.0 39.5 12.8 MAX 50.0 49.0 48.0 18.0 mA UNIT 21 2002-03-29 TA1276AN TERMINAL VOLTAGE PIN No. 3 4 5 6 8 9 10 13 15 16 17 21 24 32 33 34 35 36 37 38 39 45 48 49 50 51 52 53 54 SECAM CONT. Y1 OUTPUT U / Q OUTPUT V / I OUTPUT 4.43MHz X'tal M PAL X'tal 3.58MHz X'tal CHROMA INPUT Y1 INPUT V SEP. SYNC. IN 32fH VCO CURVE CORRECTION Ys2 ANALOG B INPUT ANALOG G INPUT ANALOG R INPUT Ys1 OSD / ANALOG B INPUT OSD / ANALOG G INPUT OSD / ANALOG R INPUT ABCL INPUT VM OUTPUT APL DET BLACK PEAK HOLD V / I INPUT U / Q INPUT Y2 INPUT COLOR LIMITER PIN NAME SYMBOL V3 V4 V5 V6 V8 V9 V10 V13 V15 V16 V17 V21 V24 V32 V33 V34 V35 V36 V37 V38 V39 V45 V48 V49 V50 V51 V52 V53 V54 TEST CIRCUIT MIN 3.7 1.7 2.2 2.2 3.7 3.7 3.7 2.2 2.7 5.7 2.60 5.4 4.3 0 3.5 3.5 3.5 0 3.3 3.3 3.3 5.85 3.2 4.8 4.2 4.8 4.8 6.1 6.6 TYP. 4.0 2.0 2.5 2.5 4.0 4.0 4.0 2.5 3.0 6.1 2.85 5.7 4.5 0.1 3.8 3.8 3.8 0.1 3.6 3.6 3.6 6.10 3.5 5.0 4.4 5.0 5.0 6.3 6.9 MAX 4.3 2.3 2.8 2.8 4.3 4.3 4.3 2.8 3.3 6.5 3.10 6.0 4.7 0.3 4.1 4.1 4.1 0.3 3.9 3.9 3.9 6.35 3.8 5.2 4.6 5.2 5.2 6.5 7.2 V UNIT 22 2002-03-29 TA1276AN AC CHARACTERISTIC VIDEO SECTION CHARACTERISTIC Y2 Input Dynamic Range Black Level Shift Black Stretching Amplifier Maximum Gain Black Stretching Start Point (1) SYMBOL DR53 VB VB3 GBS PBST1 PBST2 PBS1 PBS2 V001 D.ABL Detection Voltage V010 V100 D.ABL Sensitivity Black Level Correction Y Correction Point SDAMIN SDAMAX BLC P0 P100 G01 Y Correction Gain G10 G11 Black Peak Detection Level DC Restoration Gain VBP ADT100 ADT130 VDT0 VDT48 PDTL60 DC Restoration Limit Point PDTL73 PDTL87 PDTL100 FAPL01 FAPL10 Sharpness Peak Frequency FAPL11 FAPH01 FAPH10 FAPH11 TEST CIRCUIT (Note V11) (Note V8) (Note V9) (Note V6) (Note V7) (Note V5) TEST CONDITION (Note V1) (Note V2) (Note V3) MIN 0.7 -5 35 1.30 17 51 14 30 90 220 0.280 6.5 95 2 -3.5 -5.8 -7.5 -15 0.9 1.25 -3 42 59 71 83 95 3.3 2.6 2.0 11.2 9.5 6.5 TYP. 1.0 0 42 1.40 22 56 0 20 50 110 240 0 0.295 7.0 100 5 -2.5 -4.8 -6.5 0 1.0 1.35 0 47 63 75 87 99 4.2 3.3 2.5 14.5 11.9 8.1 MAX 1.5 5 49 1.50 27 61 4 26 70 130 260 0.04 0.310 7.5 105 8 -1.5 -3.8 -5.5 15 1.1 1.45 3 51 67 79 91 103 5.1 4.0 3.0 17.4 14.3 9.7 MHz % mV times dB IRE V/V mV IRE UNIT Vp-p mV times Black Stretching Start Point (2) (Note V4) DC Restoration Start Point (Note V10) 23 2002-03-29 TA1276AN CHARACTERISTIC SYMBOL GMAXL Sharpness Control Range GMINL GMAXH GMINH Sharpness Control Center Gain GCENL GCENH GYL GYH TSL1 SRT Response to 2T Pulse Input TSRTL TSH1 TSRTH VSM Peak Frequency FVL FVH GVL00 GVL01 GVL10 VSM Gain GVL11 GVH00 GVH01 GVH10 GVH11 GVRL VSM Parabolic Modulating Gain GVLL GVRH GVLH Threshold Voltage of VSM Muting VSR36 TVML1 TVML2 TVML3 Response Time for VSM High Speed Muting TVML4 TVMH1 TVMH2 TVMH3 TVMH4 TY2RD Between Y2 Input and R Output Delay Time TY2RL TY2RH TEST CIRCUIT When through When normal mode When double scan mode (Note V17) Pin 32, Pin 36 (Note V16) (Note V15) When normal mode When double scan mode (Note V14) (Note V12) TEST CONDITION MIN 11 -11 11 -9 7 7 (Note V13) -11 -9 100 40 160 20 7 12.5 11 -7.5 -11 - 11 -7.5 -11 - -4 -4 -4 -4 0.65 0 0 0 0 0 0 0 0 26 200 85 TYP. 14 -8 14 -6 10 10 -8 -6 120 60 180 30 9 16 13 -6 -9 -35 13 -6 -9 -32 -3 -3 -3 -3 0.75 50 50 50 50 50 50 50 50 36 220 100 MAX 17 -5 17 -3 13 13 -5 -4 140 80 200 45 11 19.5 15 -4.5 -8 -29 15 -5 -7 -26 -2 -2 -2 -2 0.85 100 100 100 100 100 100 100 100 46 240 115 ns V dB ns dB UNIT YNR Characteristic MHz 24 2002-03-29 TA1276AN CHROMA SECTION CHARACTERISTIC SYMBOL F600 F300 ACC Characteristic F30 F10 A Sub Color Control Characteristic es+ es- 3 APC Frequency Control Sensitivity 4 M f3PH f3HH f3PL f3HL f4PH APC Pull-In / Hold Range f4HH f4PL f4HL fMPH fMHH fMPL fMHL f03 3.58MHz / 4.43MHz Free Run Frequency f04 f0M f3c fsc Output Amplitude f4c fMc fsc output DC Level IQ Color Difference Signal Output Level IQ Signal Demodulation Ratio IQ Demodulation Angle IQ Demodulation Angle UV Color Difference Signal Output Level UV Signal Demodulation Ratio UV Demodulation Angle UV Demodulation Angle B-Y R-Y Relative Q Axis I Axis Relative B-Y R-Y Q Axis I Axis V1a V1b vBN vRN vRN / vBN BN RN BRN vBP vRP vRP / vBP BP RP BRP TEST CIRCUIT I-Q When B : C = 1 : 1 signal R-Y / B-Y f0 = 3.579545MHz f0 = 4.433619MHz f0 = 3.575611MHz When 3.58NTSC When 4.43PAL When M-PAL When 3.58NTSC Except for 3.58NTSC When B : C = 1 : 1 signal R-Y / B-Y (Note C3) (Note C2) (Note C1) TEST CONDITION MIN 0.300 0.300 0.290 0.090 0.90 2.0 -6.0 0.70 0.70 0.70 250 250 -2000 -2000 250 250 -2000 -2000 250 250 -2000 -2000 -200 -200 -200 0.54 0.52 0.54 2.80 1.15 290 290 0.94 29.0 118.0 87.0 290 290 0.94 -5.0 85.0 87.0 TYP. 0.355 0.355 0.343 0.113 0.97 3.0 -4.3 1.20 1.20 1.20 500 500 -500 -500 500 500 -500 -500 500 500 -500 -500 0 0 0 0.78 0.72 0.78 3.20 1.55 355 355 1.00 33.0 123.0 90.0 355 355 1.00 0.0 90.0 90.0 MAX 0.410 0.410 0.400 0.135 1.05 4.0 -2.0 1.70 1.70 1.70 2000 2000 -250 -250 2000 2000 -250 -250 2000 2000 -250 -250 200 200 200 0.96 0.90 0.96 3.50 1.75 415 415 1.15 37.0 126.0 93.0 415 415 1.10 3.0 93.0 93.0 mVp-p V Vp-p Hz Hz Hz / mV times dB Vp-p UNIT mVp-p 25 2002-03-29 TA1276AN CHARACTERISTIC SYMBOL vBNe Residual Carrier Level vRNe vBPe vRPe vBHNe Residual Higher Harmonics Level vRHNe vBHPe vRHPe 3.58NTSC Color Difference Output DC Voltage 4.43NTSC PAL 1HDL Output DC Level NTSC SECAM CP Sand Castle Pulse Height HD VD VBN VRN VBP VRP VDLP VDLS VDLN SCH SCM SCL SEN SECAM Output DC Level SEP SES vNCL NTSC Ident Sensitivity vNCH vNBL vNBH vPCL PAL Ident Sensitivity vPCH vPBL vPBH GFH3 GFC3 TOF Characteristic GFL3 GFH4 GFC4 GFL4 Through Y1 In~Y1 Out AC Gain Normal GYs GYd GYt GfY1 GTC3 GTC4 VD3 VD4 TEST CIRCUIT 20 log (output level / input level) (Note C7) (Note C6) (Note C5) (Note C4) Output from pin B-Y output R-Y output B-Y output R-Y output fscx2 level fsc level TEST CONDITION MIN 1.80 1.90 1.80 1.90 8.00 4.00 0.01 7.50 3.95 2.25 3.70 3.70 0.40 3.80 2.52 3.73 2.44 4.80 3.52 4.73 3.44 20.7 20.2 18.2 19.1 19.4 18.8 -1.21 -1.21 -1.21 -4.0 1.30 1.30 TYP. 1.90 1.90 1.90 1.90 1.90 1.90 1.90 1.90 2.15 2.24 2.15 2.25 8.30 4.30 0.50 7.80 4.20 2.50 4.00 4.00 0.70 5.83 3.88 5.74 3.75 6.83 4.88 6.74 4.75 22.7 22.2 20.2 21.1 21.4 20.8 0.00 0.00 0.00 -1.0 -25 -25 1.60 1.60 MAX 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 2.50 2.60 2.50 2.60 8.60 4.60 0.20 8.10 4.45 2.75 4.30 4.30 1.00 7.87 5.24 7.75 5.06 8.87 6.24 8.75 6.06 24.7 24.2 22.2 23.1 23.4 22.8 1.06 1.06 1.06 0.0 -20 -20 Vp-p dB mVp-p V mVp-p UNIT Double S Y1 In~Y1 Out Frequency Bandwidth Trap Filter Gain 3.58 4.43 3.58NTSC 4.43PAL Y1 Input Dynamic Range 26 2002-03-29 TA1276AN TEXT SECTION CHARACTERISTIC SYMBOL GR AC Gain GG GB AC Gain Axial Difference R Output Bandwidth G B GG / R GB / R GfR GfG GfB vuMAX Uni-Color Control Characteristic vuCNT vuMIN vu VbrMAX Brightness Control Characteristic VbrCNT VbrMIN Brightness Control Sensitivity White Peak Slice Level Black Peak Slice Level R Signal-to -Noise Ratio of RGB Output G B Half-Tone Gain Half-Tone ON Voltage R V-BLK Pulse Output Level G B R H-BLK Pulse Output Level G B Blanking Pulse Delay Time Gbr Vwps1 Vwps2 VBPS N41 N42 N43 GHT1 GHT2 VHT VVR VVG VVB VHR VHG VHB tdON tdOFF VSU+ VSU- V#41 RGB Output Voltage V#42 V#43 RGB Output Voltage Triaxial Difference Cut-Off Voltage Control Range Vout CUT+ CUT- TEST CIRCUIT (Note T10) (Note T9) (Note T8) Pin 47 (Note T7) (Note T4) (Note T5) (Note T6) (Note T3) (Note T2) at -3dB point (Note T1) TEST CONDITION MIN 2.95 2.95 2.95 0.94 0.94 25 25 25 0.59 0.34 0.09 14 4.1 3.25 2.4 5.7 2.75 2.30 2.10 0.45 0.45 0.65 0.3 0.3 0.3 0.3 0.3 0.3 2.0 -3.8 2.25 2.25 2.25 0.45 0.45 TYP. 3.30 3.30 3.30 1.00 1.00 30 30 30 0.66 0.39 0.11 15 4.4 3.55 2.7 6.6 2.95 2.50 2.26 -58 -58 -58 0.50 0.50 0.85 0.8 0.8 0.8 0.8 0.8 0.8 0.1 0.15 2.5 -3.3 2.50 2.50 2.50 0 0.50 0.50 MAX 3.70 3.70 3.70 1.06 1.06 0.74 0.44 0.13 16 4.7 3.85 3.0 7.5 3.15 2.70 2.42 -49 -49 -49 0.55 0.55 1.05 1.3 1.3 1.3 1.3 1.3 1.3 0.3 0.3 3.0 -2.8 2.75 2.75 2.75 150 0.55 0.55 mV V V s V times dB mV Vp-p V V dB Vp-p MHz times UNIT Sub-Contrast Control Range dB 27 2002-03-29 TA1276AN CHARACTERISTIC SYMBOL DRG+ DRG- Drive Adjustment Control Range DRB+ DRB- DRR+ DRR- Output Voltage of Muting MURD MUGD BBR Output Voltage of Blue Back BBG BBB ACL Characteristic ACL1 ACL2 ABLP1 ABLP2 ABLP3 ABL Point ABLP4 ABLP5 ABLP6 ABLP7 ABLP8 ABLG1 ABLG2 ABLG3 ABL Gain ABLG4 ABLG5 ABLG6 ABLG7 ABLG8 V43R V42R V41R V43G RGB Output Mode V42G V41G V43B V42B V41B ACBR ACBG ACB Pulse Phase / Amplitude ACBB VACBR VACBG VACBB TEST CIRCUIT (Note T18) (Note T17) (Note T16) (Note T15) (Note T14) (Note T13) (Note T12) (Note T11) TEST CONDITION MIN 2.35 -5.75 2.35 -5.75 2.35 -5.75 2.1 2.1 2.1 2.1 1.15 -5 -14.5 0.12 0.04 -0.05 -0.15 -0.24 -0.34 -0.43 -0.50 -0.04 -0.09 -0.24 -0.40 -0.56 -0.73 -0.90 -0.10 2.25 0.3 0.3 0.3 2.25 0.3 0.3 0.3 2.25 0.1 0.1 0.1 TYP. 2.85 -5.00 2.85 -5.00 2.85 -5.00 2.26 2.26 2.26 2.26 1.30 -3 -13 0.17 0.09 0.00 -0.10 -0.19 -0.29 -0.38 -0.45 0.00 -0.04 -0.19 -0.35 -0.51 -0.68 -0.85 -0.92 2.5 0.8 0.8 0.8 2.5 0.8 0.8 0.8 2.5 1 2 3 0.125 0.125 0.125 MAX 3.35 -4.25 3.35 -4.25 3.35 -4.25 2.42 2.42 2.42 2.42 1.45 -1 -11.5 0.22 0.14 0.05 -0.05 -0.14 -0.24 -0.33 -0.40 0.00 0.00 -0.14 -0.30 -0.46 -0.63 -0.80 -0.87 2.75 1.3 1.3 1.3 2.75 1.3 1.3 1.3 2.75 0.15 0.15 0.15 Vp-p H V V Vp-p dB V dB UNIT 28 2002-03-29 TA1276AN CHARACTERISTIC SYMBOL IKR IK Input Level IKG IKB 1R 2R 1R 2R 3R 1G 2G RGB Correction Characteristic 1G 2G 3G 1B 2B 1B 2B 3B GTXR Analog RGB Gain GTXG GTXB Analog RGB Gain Triaxial Difference R Analog RGB Bandwidth G B R Analog RGB Input Dynamic Range G B GTXG / R GTXB / R GfTXR GfTXG GfTXB DR35 DR34 DR33 VTXWPSR Analog RGB White Peak Slice Level VTXWPSG VTXWPSB VBPSR Analog RGB Black Peak Limiter Level VBPSG VBPSB TEST CIRCUIT (Note T22) (Note T21) at -3dB point (Note T20) (Note T19) Pin 56 input level TEST CONDITION MIN 1.45 1.45 1.45 40 60 0.75 -0.75 -4.05 40 60 0.75 -0.75 -4.05 40 60 0.75 -0.75 -4.05 4.0 4.0 4.0 0.94 0.94 25 25 25 0.6 0.6 0.6 2.30 2.30 2.30 2.10 2.10 2.10 TYP. 1.65 1.65 1.65 50 70 1.50 0.00 -3.30 50 70 1.50 0.00 -3.30 50 70 1.50 0.00 -3.30 4.5 4.5 4.5 1.00 1.00 30 30 30 1.0 1.0 1.0 2.55 2.55 2.55 2.26 2.26 2.26 MAX 1.85 1.85 1.85 60 80 2.25 0.75 -2.55 60 80 2.25 0.75 -2.55 60 80 2.25 0.75 -2.55 5.0 5.0 5.0 1.06 1.06 1.5 1.5 1.5 2.80 2.80 2.80 2.42 2.42 2.42 V Vp-p dB times dB IRE dB IRE dB IRE V UNIT 29 2002-03-29 TA1276AN CHARACTERISTIC SYMBOL vuTXRMAX vuTXGMAX vuTXBMAX vuTXRCNT vuTXGCNT RGB Contrast Control Characteristic vuTXBCNT vuTXRMIN vuTXGMIN vuTXBMIN vuTXR vuTXG vuTXB VbrTXMAX Analog RGB Brightness Control Characteristic Analog RGB Brightness Control Sensitivity Analog RGB Mode ON Voltage VbrTXCNT VbrTXMIN GbrTX VTXON TXACL1 Text ACL Characteristic TXACL2 TXACL3 TXACL4 GOSDR Analog OSD Gain GOSDG GOSDB Analog OSD Gain Triaxial Difference GOSDG / R GOSDB / R GfOSDR Analog OSD Band Width GfOSDG GfOSDB VOSD1R VOSD1G Analog OSD White Peak Slice Level VOSD1B VOSD2R VOSD2G VOSD2B TEST CIRCUIT (Note T28) at -3dB point G/R B/R (Note T27) (Note T26) Pin 32 (Note T25) (Note T24) (Note T23) TEST CONDITION MIN 0.8 0.8 0.8 0.45 0.45 0.45 0.10 0.10 0.10 15.5 15.5 15.5 3.3 2.85 2.45 6.0 0.65 -2 -6.5 -6.5 -16.5 4.1 4.1 4.1 0.94 0.94 25 25 25 1.80 1.80 1.80 1.45 1.45 1.45 TYP. 0.9 0.9 0.9 0.52 0.52 0.52 0.12 0.12 0.12 17.0 17.0 17.0 3.5 3.05 2.65 6.8 0.85 -1 -4.5 -4.5 -15.0 4.8 4.8 4.8 1.00 1.00 30 30 30 2.00 2.00 2.00 1.65 1.65 1.65 MAX 1.0 1.0 1.0 0.59 0.59 0.59 0.14 0.14 0.14 18.5 18.5 18.5 3.7 3.25 2.85 7.6 1.05 -0.05 -2.5 -2.5 -13.5 5.4 5.4 5.4 1.06 1.06 2.20 2.20 2.20 1.85 1.85 1.85 Vp-p dB times dB mV V V dB Vp-p UNIT 30 2002-03-29 TA1276AN CHARACTERISTIC SYMBOL VOSD3R Analog OSD Black Peak Limiter Level VOSD3G VOSD3B VOSDDCR Analog OSD Output DC Voltage VOSDDCG VOSDDCB Analog OSD Mode ON Voltage VOSDON OSDACL1 OSD ACL Characteristic OSDACL2 OSDACL3 OSDACL4 Crosstalk of RGB Inputs GCT TEST CIRCUIT (Note T31) Pin 36 (Note T30) (Note T29) TEST CONDITION MIN 2.10 2.10 2.10 2.3 2.3 2.3 2.05 -6.5 -16.5 TYP. 2.26 2.26 2.26 2.5 2.5 2.5 2.30 0 0 -4.5 -15 -50 MAX 2.42 2.42 2.42 2.7 2.7 2.7 2.55 -2.5 -13.5 -45 dB V UNIT COLOR DIFFERENCE SECTION CHARACTERISTIC SYMBOL vuCYMAX Color Difference Signal Contrast Control Characteristic vuCYCNT vuCYMIN vuCY vuCYMAX vuCYCNT Color Control Characteristic vuCYMIN vuCY+ vuCY- 00 R - Y Relative Phase 01 10 11 00 R - Y Relative Amplitude 01 10 11 00 G - Y Relative Phase 01 10 11 00 G - Y Relative Amplitude 01 10 11 R Color Difference Half-Tone Gain G B R90 R93 R96 112 vR56 / vB vR68 / vB vR76 / vB vR84 / vB G236 G240 G244 G253 vG30 / vB vG325 / vB vG35 / vB Gv375 / vB GHTRY GHTGY GHTBY TEST CIRCUIT (Note A3) (Note A2) (Note A1) TEST CONDITION MIN 1.5 0.85 0.24 14.0 1.18 0.73 0.076 3 -20 88 90 92 109 0.55 0.67 0.78 0.85 234 238 242 251 0.275 0.300 0.325 0.350 0.47 0.47 0.47 TYP. 1.8 1.0 0.29 15.5 1.4 0.86 0.090 4 -18 90 92 94 111 0.58 0.7 0.81 0.88 237 241 245 254 0.300 0.325 0.350 0.375 0.50 0.50 0.50 MAX 2.13 1.2 0.355 17.0 1.68 1.04 0.108 5 -16 92 94 96 113 0.61 0.73 0.84 0.91 240 244 248 257 0.325 0.350 0.375 0.400 0.53 0.53 0.53 times times dB Vp-p dB Vp-p UNIT 31 2002-03-29 TA1276AN CHARACTERISTIC SYMBOL V1 Color Characteristic V2 V3 Color Limiter Characteristic High Bright Color Gain Max Base Band Tint Control Characteristic Min Flesh Color Characteristic Color Difference Signal Input Dynamic Range Color Detail Emphasis Characteristic CLT0 CLT1 HBC1 TRMAX TBMAX TRMIN TBMIN Fa33 DRR-Y DRB-Y GCD0 GCD1 IU QV TEST CIRCUIT (Note A8) R B R B (Note A7) (Note A5) (Note A6) (Note A4) TEST CONDITION MIN 0.09 0.23 0.38 0.65 1.45 1.8 0.02 29 29 -37 -37 0.38 0.9 0.9 15.0 31 31 TYP. 0.23 0.37 0.52 0.75 1.65 2.0 0.04 33 33 -33 -33 0.48 1.2 1.2 18.0 -15.0 33 33 MAX 0.37 0.51 0.66 0.85 1.85 2.2 0.06 37 37 -29 -29 0.58 1.5 1.5 21.0 0.0 35 35 Vp-p Vp-p times Vp-p UNIT Vp-p Phase Shift at IQUV Conversion 32 2002-03-29 TA1276AN DEF SECTION CHARACTERISTIC 32fH VCO Oscillation Start Voltage Horizontal Output Start Voltage Horizontal Output Duty Cycle Horizontal Output Free-Run Frequency Variable Range of Horizontal Output Frequency Horizontal Output Frequency Control Sensitivity Horizontal Output Voltage High Level Low Level SYMBOL VVCO VHON23 T23 fH050 fH060 fHMIN fHMAX H VH23 VL23 SPH1 Horizontal Output Phase SPH2 SPH3 Curve Correction Characteristic Variable Range of Horizontal Picture Position Clamp Pulse Start Phase Clamp Pulse Width Threshold of External Clamp Pulse Input Threshold of External Clamp Mode Switching Threshold of External Black Peak Hold Stopping Pulse SPC Gate Pulse Start Phase SPC Gate Pulse Width SPC Horizontal Blanking Pulse Start Phase SPC Horizontal Blanking Pulse Pulse Width H24 HSFT CPS CPW CPV30 CPMV23 BPv17 BPv24 GPS GPW HPS HPW50 HPW60 TEST CIRCUIT (Note D7) Pin 24 Pin 23 Pin 17, at normal scan Pin 24, at doble scan (Note D6) (Note D3) (Note D4) (Note D5) (Note D2) Pin 23 TEST CONDITION MIN 3.1 4.7 38.5 15475 15585 14700 16500 180 2.7 11.1 0.35 0.11 2.3 5.7 2.8 1.0 3.3 8.5 0.9 0.9 1.9 1.9 4.6 9.9 10.5 TYP. 3.4 5.0 40.5 15625 15734 15000 16700 230 3.0 0.15 11.3 0.45 0.21 2.5 6.2 2.9 1.2 3.6 8.7 1.1 1.1 2.1 2.1 4.8 10.4 11.0 MAX 3.7 5.3 42.5 15775 15885 15300 16900 280 3.3 0.30 11.5 0.55 0.31 2.7 6.7 3.1 1.4 3.9 V 8.9 1.3 1.3 2.3 2.3 5.0 10.9 11.5 s V Hz / 0.1V V Hz UNIT DEF VCC Voltage Pin 23 Vertical freq. ; Auto Vertical freq. ; 60Hz Variable pin 20 voltage (Note D1) V % 33 2002-03-29 TA1276AN CHARACTERISTIC HD Output Start Phase HD Output Pulse Width HD Output Voltage Threshold of AFC-2 Detection Threshold of Horizontal Timing Threshold of Blanking Pulse Vertical Blanking Pulse Start Phase Vertical Blanking Pulse Stop Phase Vertical Blanking Pulse Start Phase Vertical Blanking Pulse Stop Phase External Blanking Threshold Current Vertical Output Start Voltage Vertical Output Free-Run Frequency Vertical Output Voltage SYMBOL HDS HDW VHD VHBLK1 VHBLK2 VHBLK3 VP50S1 VP50S2 VP60S1 VP60S2 ABLK VON fV050 fV060 VVH VVL fPL1 fPH1 fPL2 fPH2 f50P f60P VR50S1 RGB Vertical Blanking Pulse Start Phase (1) VG50S1 VB50S1 VR50S2 RGB Vertical Blanking Pulse Stop Phase (1) VG50S2 VB50S2 VR60S1 RGB Vertical Blanking Pulse Start Phase (2) VG60S1 VB60S1 VR60S2 RGB Vertical Blanking Pulse Stop Phase (2) VG60S2 VB60S2 TEST CIRCUIT (Note D13) (Note D12) (Note D11) Pin 31 input current DEF VCC voltage Vertical freq. ; Auto Vertical freq. ; 60Hz Pin 31 Pin 25, at normal scan Pin 25, at doble scan Pin 25, H / V blanking (Note D9) (Note D8) TEST CONDITION MIN 0.7 0.7 4.5 3.2 3.2 0.8 46 46 150 4.7 40 48 4.7 44 44 44 44 44 44 TYP. 0.9 0.9 4.8 3.5 3.5 1.1 48 23 48 21 300 5.0 45 53 5.0 0.0 224.5 353 224.5 297 288.5 288 46 46 46 19 19 19 46 46 46 17 17 17 MAX 1.1 1.1 5.1 3.8 3.8 1.4 50 50 400 5.3 50 58 5.3 0.3 48 48 48 48 48 48 H s H s H s H s H A V Hz V UNIT s (Note D10) V Vertical Pull-In Range (1) Vertical Pull-In Range (2) Vertical Pull-In Range (3) Vertical Pull-In Range (4) 34 2002-03-29 TA1276AN TEST CONDITIONS NOTE Video block common test conditions 1) 2) 3) 1) 2) 3) 4) 5) OFF C C 6) As in 4), measure the DC differential VB3 of pin 49. Set the black detect level to 3IRE (0). Connect pin 53 to an external power supply (PS) and observe pin 50. Turn the Y mute off (1), turn the black stretch gain off (1), and set the black detect level to 0IRE (1). Set the BUS control data to the preset value. Ensure the composite signal is always input to pin 15 (Y1 / sync input). PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 SW 13 : A, SW18 : ON, SW20 : ON, SW23 : ON, SW33 : A, SW 34 : A, SW 35 : A, SW37 : A, SW 38 : A, SW39 : A, SW 46 : ON, SW51 : B, SW52 : B For testing, see the picture sharpness AC characteristics testing circuit diagram. After using the preset values to transmit the BUS control data, set ACB operation switching to ACB off (01). Video Block Increase the PS voltage from 5V and measure the DC differential VB of pin 49 where the picture period (high period) of pin 50 goes low. V1 Black Detect Level Shift C 1) 2) 3) 5) 6) A A 4) Set the BUS control data to the preset value. Set SW50 to A (maximum gain) and input a 500kHz sine wave to TP53. Use pin 53 to adjust the signal amplitude to 0.1Vp-p. Turn the Y mute off (1), turn the black stretch gain off (1), and measure the amplitude VA of pin 49. Turn the black stretch gain on (0) and measure the amplitude VB of pin 49. Calculate the GBS using the following formula. GBS = VB/VA V2 Black Stretch Amp Maximum Gain 35 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) 5) 6) Set SW50 to A (maximum gain), turn the Y mute off (1), and turn the black stretch gain off. Connect pin 53 to an external power supply (PS), increase the voltage from V53, and plot the resulting change in voltage S1 of pin 49. Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 Next, turn the black stretch gain on (0), set the black stretch point 1 to the minimum (000), increase the PS voltage from V53 as in 3), and plot the resulting change in voltage S2 of pin 49. Set the black stretch point 1 to the maximum (111), increase the PS voltage from V53 as in 3), and plot the change in voltage S3 of pin 49. Use the diagram below to calculate the intersections VBST1 and VBST2 of S1, S2, and S3. Use the following formulas to calculate PBST1 and PBST2. PBST1 [(IRE)] = ((VBST1 [V]-V49 [V]/1.4 [V])x100 [(IRE)] PBST2 [(IRE)] = ((VBST2 [V]-V49 [V]/1.4 [V])x100 [(IRE)] V3 Black Stretch Start Point (1) C OFF A C 36 2002-03-29 TA1276AN NOTE 1) 2) Set the BUS control data to the preset value. Turn the black stretch gain off (1), turn the Y mute off (1), and turn the video mute off (0). Input the TG7 linearity to TP53, use pin 53 to adjust the amplitude as in the diagram, set unicolor to the center (1000000), and measure the resulting amplitude (V43) of pin 43 (R OUT). PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 3) 4) 5) 6) ON A A Turn the black stretch gain on (0), connect pin 49 to an external power supply (PS), and measure pin 43 (R OUT). When the black stretch start point 2 data are at the minimum (000), calculate as in the diagram the black stretch start point differential V000 for when P is V49 (APL 0%) and for when P is V49+1.0 [V] (APL 100%). Next, when the black stretch start point 2 data are maximum (111), calculate differential V111 in the same way. V4 Black Stretch Start Point (2) C Calculate the following formulas. PBS1 = (V000 / V43)x100 PBS2 = (V111 / V43)x100 37 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) 5) Connect pin 45 to an external power supply (PS) and decrease the voltage from 6.5V. Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 Turn the Y mute off (1), set the ABL sensitivity to the minimum (000), set the D.ABL sensitivity to the maximum (111), and turn the black stretch gain off (1). Repeat 3) when the D.ABL detect voltage bus data are 000, 001, 010, and 100 respectively. Measure PS voltages V000, V001, V010, and V100 when the picture period of pin 49 changes to low. (Enlarge the range before measuring.) Next, calculate the V001, V010, and V100 voltage differentials from V000 and V001, V010, and V100. V = V000-V001 (V010, V100) *** V5 D.ABL Detect Voltage C OFF A C 38 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) From the diagram, calculate the SDAMIN and SDAMAX gradients. SDAMIN, SDAMAX = Y / X Turn the Y mute off (1), turn the black stretch gain off (1), and connect pin 45 to an external power supply. Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 With the D.ABL detect voltage at the minimum (000), plot the voltage characteristics of pin 49 in relation to the voltage of pin 45 when D.ABL sensitivity is at the minimum (000) and the maximum (111). V6 D.ABL Sensitivity C ON A C 1) 2) 3) OFF Set the BUS control data to the preset value. Turn the Y mute off (1), turn the black stretch gain off (1), and observe pin 49. Turn the black level compensation on (1), measure V1 [mV], and calculate the following formula. 3 BLC = (V1 / 1.4x10 )x100 (IRE) V7 Black Level Compensation 39 2002-03-29 TA1276AN NOTE 1) 2) 3) ON 5) 6) Calculate VBP from the following formula. VBP = VBP-V49 C C 4) Connect pin 53 to an external power supply (PS). Turn the Y mute off (1), the black stretch gain off (1), and set the black detect level shift to 0IRE (1). Measure the DC voltage V49 of pin 49. Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 V8 Black Peak Detect Level C Increase the PS from 0V and measure the voltage VBP of pin 49 where the DC level of the picture period of pin 50 shifts from high to low. 40 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) 5) 6) Calculate ADT100 and ADT130 from the following formula. ADT100 = (V2 [V]-V1 [V])/0.1 [V] ADT130 = (V4 [V]-V3 [V])/0.1 [V] Turn the Y mute off (1), turn the video mute off (0), and connect pin 53 to an external power supply (PS). Measure the amplitude V43 of pin 43, set the PS to V53+0.7V, and adjust V43 to 0.7Vp-p using unicolor. Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 With the DC transmission rate compensation gain at the minimum (000), measure V1 and V2 as in the diagram below. Next, with the DC transmission rate compensation gain at the maximum (111), measure V3 and V4. V9 DC Transmission Rate Compensation Gain ON B C C 41 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) 5) Repeat steps 1) and 2) of V21. Measure the amplitude V43 of pin 43, set the PS to V53+0.7V, and adjust V43 to around 1.0Vp-p using unicolor. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 With the DC transmission compensation rate at the minimum (000), increase PS from V53 and plot the relationship between the voltages of pins 49 and 43. Next, with the DC transmission compensation rate at the maximum (111), increase PS from V53 and plot the relationship between the voltages of pins 49 and 43. With the DC transmission compensation rate at the maximum (111), increase the PS from V53 when the DC transmission compensation start point reaches the maximum (111) and plot the relationship between the voltages of pins 49 and 43. Calculate VDT0 and VDT42 from the following formula. VDT0 = ((VSP0-V49) / 1 [V] )x100 [%] VDT42 = ((VSP42-V49) / 1 [V] )x100 [%] 6) ON B C V10 DC Transmission Compensation Start Point C 42 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) 5) Increase the PS from 5V, observe pin 43, and plot the DC transmission compensation rate. Set the DC transmission compensation rate to the maximum (111). Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 Turn the Y mute off (1), turn the video mute off (0), and with the unicolor set at maximum (1111111), connect pin 49 to an external power supply (PS). Repeat 4) above but change the DC transmission compensation limit point data. Calculate PDTL60, PDTL73, PDTL87, and PDTL100 from the measured data and the following formulas. PDTL60 = ((VL60-V49) / 1.0)x100 [%] PDTL73 = ((VL73-V49) / 1.0)x100 [%] PDTL87 = ((VL87-V49) / 1.0)x100 [%] PDTL100 = ((VL100-V49) / 1.0)x100 [%] V11 DC Transmission Compensation Limit Point ON B C C 43 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) 5) OFF 7) 8) B A 6) Set the amplitude of pin 53 to 20mVp-p. Set the unicolor to the maximum (1111111), set SHR tracking to SRT-gain low (11), and set the aperture compensator peak frequency to 4.2M (001). Turn the Y mute off (1), the video mute off (0), connect TP43 and TP41b, and observe TP41e. Input a sine wave to TP53. Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 V12 Picture Sharpness Control Range C Set the picture sharpness to the maximum (1111111). When the frequencies are 100kHz and FAPL01, measure the V100 and VL amplitudes respectively and calculate GMAXL by the formula shown below. Next, set the picture sharpness to the minimum (0000000). As in 6), when the frequencies are 100kHz and 2.4MHz, measure the V100 and VL amplitudes respectively and calculate GMINL by the formula shown below. Set the aperture compensator peak frequency to 7.7M (111) and the picture sharpness to the maximum (1111111). When the frequencies are 100kHz and FAPH11, measure the V100 and VH amplitudes respectively and calculate GMAXH by the formula shown below. Next, set the picture sharpness to the minimum (0000000). When the frequencies are 100kHz and 4MHz, measure the V100 and VH amplitudes respectively and calculate GMINH by the following formula. G [dB] = 20xLog (VL (H)/V100) 9) **** 1) 2) 3) Repeat steps 1) to 5) of V12. With YNR on (1) and the picture sharpness at minimum (0000000), measure the TP41e amplitudes V100 and VL when the input signal frequencies are 100kHz and 2.4MHz respectively. Next, set the aperture compensator peak frequency to 7.7M (111). When the input signal frequencies are 100kHz and 4MHz, measure the V100 and VH amplitudes respectively and calculate GYL and GYH by the following formula. GYL (H) [dB] = 20xLog (VL (H)/V100) V13 YNR Characteristics 44 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) 5) 6) ON B A 7) Calculate the following formula. TSRTL = TSL1-TSL2 TSRTH = TSH1-TSH2 Set SHR tracking to SRT-gain high (00) and measure TSL2. Next, set the aperture compensator peak frequency to 7.7M (111) and measure TSH1 and TSH2 as above. Measure TSL1 as in the diagram below. Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 Input a 2T pulse (STD) signal to TP53, turn the Y mute off (1), turn the video mute off (0), set unicolor to maximum (1111111), and set SHR tracking to SRT-gain low (11). Set the sharpness control to the center (1000000), set the aperture compensator peak frequency to 4.2M (001), connect TP43 and TP41b, and observe TP41e. V14 2T Pulse Response SRT Control C 45 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) Input the frequency FVL sine wave to TP53. Set the BUS control data to the preset value. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 Turn the Y mute off (1), turn the video mute off (0), set the aperture compensator peak frequency to 4.2M (001), and set the amplitude of pin 53 to 0.1Vp-p. V15 5) 6) Calculate the following formulas. GVL (H) 00 = 20xLog (VL (H) 00 / 0.1) [dB] GVL (H) 01 = 20xLog (VL (H) 01 / 0.1) [dB]-20xLog (VL (H) 00 / 0.1) [dB] GVL (H) 10 = 20xLog (VL (H) 10 / 0.1) [dB]-20xLog (VL (H) 00 / 0.1) [dB] GVL (H) 11 = 20xLog (VL (H) 00 / 0.1) [dB] VSM Gain C ON B A Measure the TP48 amplitudes VL00, VL01, VL10, and VL11 in the following cases. VSM gain 0dB (00) VL (H) 00 -6dB (01) VL (H) 01 -9dB (10) VL (H) 10 OFF (11) VL (H) 11 Input the sine wave of frequency FVH to TP53, set the aperture compensator peak frequency to 7.7M (111), and measure the TP48 amplitudes VH00, VH01, VH10, and VH11 as above. 46 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) As in the diagram, measure the picture period amplitudes VCL, VRL, and VLL of TP48. Turn on the VSM output horizontal parabola modulation (1) and set the VSM gain to 0dB (00). Repeat steps 1) to 3) of V15. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 Next, input the sine wave of frequency FVH to TP53, set the aperture compensator peak frequency to 7.7M (111), set the VSM horizontal parabola frequency to 31.5k (10), and measure the picture period amplitudes VCH, VRH, and VLH of TP48 as above. Calculate GVRL, GVLL, GVRH, and GVLH from the following formulas. GVRL (H) = 20xLog (VRL (H) / VCL (H)) GVLL (H) = 20xLog (VLL (H) / VCL (H)) 5) V16 VSM Horizontal Parabola Modulation Gain ON B A C 6) In 3) and 4) above, turn the VSM output horizontal parabola modulation off (0) and check that no parabola modulation is generated on the picture period signal. (VPOFL, VPOFH) 47 2002-03-29 TA1276AN NOTE 1) 2) 3) 4) 5) Similarly, input the pulse to pin 36 and measure the response time TVMH3 (4) at the input. Similarly, input the pulse to pin 36 and measure the response time TVML3 (4) at that input. Input the sine wave of frequency FVH to TP53, set the aperture compensator peak frequency to 7.7M (111), and measure the response time TVMH1 (2) as in 2) above. Input a pulse like that shown below to pin 32 and measure the response time TVML1 (2) at that input. Repeat steps 1) to 3) of V15, then observe pin 48. PARAMETER TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 15 SW 49 SW 50 SW 53 V17 VSM High-Speed Mute Response Time ON B A C 48 2002-03-29 TA1276AN NOTE PARAMETER 07 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SUBADDRESS SWITCHING MODE TEST CONDITIONS 10 17 18 SW 5 SW 6 SW 13 SW 15 Chroma block common test conditions SW 13 : B, SW15 : C, SW18 : ON, SW 20 : ON, SW 23 : ON, SW 24 : ON, SW25 : ON, SW 33 : A, SW34 : A, SW 35 : A,SW37 : A, SW 38 : A, SW39 : A, SW 46 : ON 1) 00 3) 1) 2) 4) 5) 1) 2) 3) 4) A 3) Connect SW 13 to A. Switch the color system mode (10) to 3.58 NTSC (00), 4.43 PAL (60), and M-PAL (80) and measure the following for each of those cases. Connect external voltage source (V11) to APC filter pin 11. Vary the voltage of the external voltage source (V11) and observe the fsc output pin 1 using a frequency counter. Measure the free-run sensitivity for the V11+V11 (100mV) near the fc. (3.5 NTSC = 3, 4.3 ; PAL = 4 ; M-PAL = M) Input 3.579545MHz, 4.433619MHz, and 3.575611MHz continuous waves (200mVp-p to the chroma input pin (TP13). Switch the color system mode (10) to 3.58 NTSC (00), 4.43 PAL (60), and M-PAL (80), and measure the following for each of those cases. Vary the input signal frequency in 10Hz-steps within a range of 3kHz. Clamp B / Wcolor mode (f*P*).While holding colorB / W mode (f*H*), measure the deviations from the frequency at each continuous wave input. Calculate A = F30 / F300. 00 00 OPEN OPEN B A 2) Input 3.58-NTSC rainbow signal (C-4 signal) burst / chroma signals with the same burst / chroma amplitude to the chroma input pin (TP13). Measure the output amplitudes F10, F30, F300, and F600 of the UQ output pin 5 when the chroma input amplitude levels are set to 10, 30, 300, and 600mVp-p. Chroma Block C1 ACC Characteristics 80 C2 APC Frequency Control Sensitivity C3 APC Pull-In and Hold Range 49 2002-03-29 TA1276AN NOTE 1) 2) 00 OPEN OPEN A A Connect SW 13 to A. PARAMETER 07 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SUBADDRESS SWITCHING MODE TEST CONDITIONS 10 17 18 SW 5 SW 6 SW 13 SW 15 C4 SECAM Output DC Level Change C0 80 00 or 30 or 60 1) 2) 3) Measure the output DC level of the SECAM control pin 3 when the color system mode (10) is switched to 3.58 NTSC (00), 4.43 PAL (30), and SECAM (60). (3.58 NTSC mode: SEN) (4.43 PAL mode: SEP) (SECAM mode: SES) Input a 3.58-NTSC rainbow (C-4 signal) burst / chroma signal with the same burst / chroma amplitudes to the chroma input pin (TP13). Observe the BUS READ mode (5th and 6th bits of the 1st byte). Switch the Indent sensitivity (set the subaddress (10) data low (C0) and high (D0)) and perform the following measurements. Increase the input signal amplitude from 0 and measure the input signal amplitude at the switch to 3.58 NTSC mode. (LOW (C0) : vNCL, High (D0) : vNCH) Lower the input signal amplitude from 100mVp-p and measure the input signal amplitude at the deviation from 3.58 NTSC mode. (LOW (C0) : vNBL, High (D0) : vNBH) C5 00 4) B NTSC Ident Sensitivity C0 or D0 5) 50 2002-03-29 TA1276AN NOTE 1) 2) 3) C0 or D0 00 4) 00 OPEN OPEN B A 5) Observe the BUS READ mode (5th and 6th bits of the 1st byte). Switch the Indent sensitivity (set the subaddress (10) data low (C0) and high (D0)) and perform the following measurements. Increase the input signal amplitude from 0 and measure the input signal amplitude at the switch to 4.43 PAL mode. (LOW (C0) : vPCL, High (D0) : vPCH) PARAMETER 07 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SUBADDRESS SWITCHING MODE TEST CONDITIONS 10 17 18 SW 5 SW 6 SW 13 SW 15 Input a 4.43-PAL rainbow (C-4 signal) burst / chroma signal with the same burst / chroma amplitude to the chroma input pin (TP13). C6 PAL Ident Sensitivity 80 Lower the input signal amplitude from 100mVp-p and measure the input signal amplitude at the deviation from 4.43 PAL mode. (LOW (C0) : vPBL, High (D0) : vPBH) Input the signal C-1 to the chroma input pin. (Signal amplitude = 50mVp-p). When the subaddress (10) data are f0 = 3.58MHz (00) and f0 = 4.43MHz (60), and subaddress (18) data are (38), connect 1.5k between the VI output pin 6 and the 5V-VCC and observe the VI output pin 6. Measure the output amplitude when f0 = 3.58MHz and calculate the gain in decibels from the input (GFC3). Measure the output amplitude when f0 = 3.58MHz500kHz and calculate the gain in decibels from the input (+500kHz : GFH3, -500kHz : GFL3). Measure the output amplitude when f0 = 4.43MHz and calculate the gain in decibels from the input (GFC4). Measure the output amplitude when f0 = 4.43MHz500kHz and calculate the gain in decibels from the input (+500kHz : GFH4, -500kHz : GFL4). 1) 2) 3) 00 or 60 4) 38 5) 6) C7 TOF Characteristics 51 2002-03-29 TA1276AN NOTE SW 34 Text block common test conditions SW 13 : A, SW15 : C, SW18 : ON, SW 20 : ON, SW 23 : ON, SW 24 : ON, SW 25 : ON 1) 2) A 3) GR = V43 / 0.2 GG = V42 / 0.2 GB = V41 / 0.2 A A A A B B A PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Text Block Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 53. Measure the picture period amplitude of pins 41, 42, 43 (V41, V42, and V43). T1 AC Gain A 1) 2) 3) 1) 2) Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 53. Set the unicolor data to maximum (7F), center (40), and minimum (00) and measure the pin 43 picture period amplitudes for each case. (vuMAX, vuCNT, vuMIN) Calculate the unicolor maximum and minimum amplitude ratios using digital conversion. (vu) Input signal 2 to pin 53 and adjust the picture period amplitude output of pin 43 to 1Vp-p. Measure the voltage of pin 43 when the brightness is changed to maximum (FF), center (80), and minimum (00). (VbrMAX, VbrCNT, VbrMIN) Using the results obtained from T3, calculate the brightness sensitivity from the following formula. T2 Unicolor Adjustment Characteristics T3 Brightness Adjustment Characteristics 1) 2) 1) 2) 3) 4) T4 Brightness Sensitivity Gbr = (VbrMAX-VbrMIN) / 256 Change the bus data and set the sub-contrast to maximum. Connect an external power supply to pin 53 and increase the voltage gradually from 5.8V. Measure the picture period amplitude voltage of pin 43 when pin 43s picture period is clipped (Vwps1). Change the subaddress (05) data to (81) and repeat steps 1) to 3) above. (Vwps2) T5 White Peak Slice Level 52 2002-03-29 TA1276AN NOTE SW 34 1) A 3) 1) 2) 3) 5) 6) 7) 1) GHT2 = V41C / V41A GHT1 = V41B / V41A A 4) A A A A B B C 2) Repeat step 1) of T5. PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 T6 Black Peak Slice Level A Connect an external power supply to pin 53 and decrease the voltage gradually from 5.8V. Measure the voltages of pins 41, 42, and 43 when their picture periods are clipped. Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 53. Measure the picture period amplitude of pin 41 (V41A). Apply 1.5V from an external power supply to pin 47. Measure the picture period amplitude of pin 41 (V41B). Halt the voltage applied to pin 47, set the subaddress (03) data to (81), and measure the picture period amplitude of pin 41 (V41C). Calculate tdON, tdOFF from the signal applied to pin 25 (H.BLK input) (A below) and the output signals from pins 41, 42, and 43 (B below). (A) Signal applied to pin 25 T7 Half Tone Characteristics T8 BLK Pulse Delay Time C (B) Output signals from pins 41, 42, 43 T9 RGB Output Voltage 1) Measure the picture period voltages for pins 41, 42, and 43. 53 2002-03-29 TA1276AN NOTE SW 34 1) 2) A 3) A A A A B B C Set the subaddress (17) data to (07). PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 T10 Cutoff Voltage Variable Range A Measure the picture period voltage of pin 43 when the cutoff (subaddress 0C) data are changed to maximum (FF), center (80), and minimum (00), and calculate the amount of change of maximum and minimum from the center. (CUT+, CUT-). In steps 1) and 2) above, make the following changes and remeasure : Change the subaddress (0D) data and measure pin 42, Change the subaddress (0E) data and measure pin 41. Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 53. Measure the picture period amplitude of pin 42 when the drive (subaddress-09) data are changed to maximum (FE), center (80), and minimum (00). Calculate the maximum and minimum amplitude ratios for the drive center using decibel conversion. (DRG+, DRG-) In steps 1) to 3) above, change the subaddress (0A) data, measure pin 41, and repeat the calculations. (DRB+, DRB-) In steps 1) to 3) above, set data of the LSB of subaddress (09) to 1, measure pin 43, and repeat the calculations. (DRR+, DRR-) Set the subaddress (00) data to (FF). Measure the picture period voltages of pins 43, 42, and 41. (MURD, MUGD, MUBD) 1) 2) T11 4) 5) 1) 2) 1) 2) C Drive Adjustment Variable Range A 3) T12 Output Voltage During Muting Set the subaddress (10) data to (08). Measure the picture period voltages of pins 43 and 42 and the picture period amplitude of pin 41. (BBR, BBG, BBB) T13 Output Voltage at Blue Back 54 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) A 4) 5) 1) 2) 3) ACL1 = -20xog (vACL2 / vACL1) ACL2 = -20xog (vACL3 / vACL1) Measure the DC voltage of pin 45. (VABL1) Set the subaddress (16) data to (1C). Applying external voltage to pin 45, lower the pin voltage from 6.5V. Measure the voltage of pin 45 when the voltage of pin 43 starts to change. (VABL2) Change the data of subaddress (16) to (3C), (5C), (7C), (9C), (BC), (DC), and (FC), and repeat step 3) for each of these data.(VABL3, VABL4, VABL5, VABL6, VABL7, VABL8, VABL9) ABLP1 = VABL2-VABL1, ABLP5 = VABL6-VABL1 ABLP2 = VABL3-VABL1, ABLP6 = VABL7-VABL1 ABLP3 = VABL4-VABL1, ABLP7 = VABL8-VABL1 ABLP4 = VABL5-VABL1, ABLP8 = VABL9-VABL1 5) A A A A B B A Measure the picture period amplitude of pin 43 (vACL1). Measure the picture period amplitude of pin 43 when -0.5V DC is applied to pin 45 from an external power supply. (vACL2) PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 53. T14 ACL Characteristics A Measure the picture period amplitude of pin 43 when -1V DC is applied to pin 45 from an external power supply. (vACL3) T15 4) ABL Point 55 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) 4) A 5) A A A A B B C Apply 4.5V from an external power supply to pin 45. Measure the voltage of pin 43. (VABL10) Apply 6.5V from an external power supply to pin 45. PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Set the subaddress (16) data to (00). Set the brightness to the maximum. T16 ABL Gain A Change the data of subaddress (16) to (00), (04), (08), (0C), (10), (14), (18), and (1C), and repeat step 3) for each of these data.(VABL11, VABL12, VABL13, VABL14, VABL15, VABL16, VABL17, VABL18) ABLG1 = VABL11-VABL10, ABLG5 = VABL15-VABL10 ABLG2 = VABL12-VABL10, ABLG6 = VABL16-VABL10 ABLG3 = VABL13-VABL10, ABLG7 = VABL17-VABL10 ABLG4 = VABL14-VABL10, ABLG8 = VABL18-VABL10 Adjust the brightness so that the picture period voltage of pin 43 is set to 2.5V. Set the subaddress (16) data to (01). Measure the picture period voltages of pins 43, 42, and 41. (V43R, V42R, V41R) Change the subaddress (16) data to (02) and repeat step 3). (V43G, V42G, V41G) Change the subaddress (16) data to (03) and repeat step 3). (V43B, V42B, V41B) 6) 1) 2) 3) 4) 5) T17 RGB Output Mode 56 2002-03-29 TA1276AN NOTE SW 34 1) PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 53 and adjust the drive adjustment data so that the picture period amplitudes of pins 41 and 42 are equal to that of pin 43. Set SW53 to C. Measure the voltages of pins 29, 30, and 55. From an external power supply, apply the measured voltages to these pins. Set subaddress (15) data to (D2). From pins 43, 42, and 41, calculate the phase of the ACB insertion pulse in accordance with Fig.1 below. (Note) After the completion of V.BLK, the video period following the falling edge of the FBP input is regarded as 1H and the periods at each completion of H.BLK are counted as 2H, 3H, 4H***. 6) 2) 3) 4) 5) T18 ACB Insertion Pulse Phase and Amplitude A A A A A B B A A or C Measure the ACB insertion pulse amplitude (the level from the picture period amplitude at no input) of pins 43, 42, and 41. 57 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) 4) Set the subaddress (14) data to (10). PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Input a ramp waveform to pin 53 and adjust the input amplitude so that the picture period amplitude of pin 43 is 2.3Vp-p. Adjust the drive adjustment data so that the picture period amplitudes of pins 41 and 42 are equal to that of pin 43. From pins 43, 42, and 41, calculate the RGB start point and its gradient (decibel conversion) in relation to the off point in accordance with Fig.1. T19 RGB Characteristics A A A A A A B B A 58 2002-03-29 TA1276AN NOTE SW 34 1) PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 53 and adjust the drive adjustment data so that the picture period amplitudes of pins 41 and 42 are equal to that of pin 43. Apply 5V from an external power supply to pin 32. Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 35. Measure the picture period amplitude of pin 43. (V43R) As in steps 2) and 3) above, input to pin 34 and measure pin 42, then input to pin 33 and measure pin 41. (V42G, V41B) GTXR = V43R / 0.2 GTXG = V42G / 0.2 GTXB = V41B / 0.2 Repeat step 1) of T20. Apply 5V from an external power supply to pin 32. Set the RGB contrast data to the maximum (7F). Connect an external power supply to pin 35, increase the voltage gradually from 3.0V, and measure the picture period amplitude voltage when pin 43 is clipped. As in steps 3) and 4) above, input to pin 34 and measure pin 42, then input to pin 33 and measure pin 41. Repeat step 1) of T20. 1) 2) 3) Apply 5V from an external power supply to pin 32. Set the RGB contrast data to the maximum (7F). 4) 5) Connect an external power supply to pin 35, decrease the voltage gradually from 4.5V, and measure the voltage when pin 43 is clipped. As in steps 3) and 4) above, input to pin 34 and measure pin 42, then input to pin 33 and measure pin 41. 2) 3) A 4) 5) 6) A A B B A A or B A or B T20 Analog RGB Gain A or B 1) 2) 3) A 4) A T21 Analog RGB White Peak Slice Level A 5) T22 Analog RGB Black Peak Limiter Level 59 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) 4) A 5) 6) 1) 2) 3) A or B 5) 4) A or B Repeat step 1) of T20. Input signal 2 to pins 33, 34, and 35. Apply 5V from an external power supply to pin 32. A A B B A Apply 5V from an external power supply to pin 32. Repeat step 1) of T20. PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 35. Measure the picture period amplitude of pin 43 when the RGB contrast data change to the maximum (7F), the center (40), and the minimum (00). (vuTXRMAX, vuTXRCNT, vuTXRMIN) Calculate the maximum and minimum amplitude ratios using decibel conversion. (DRG+, DRG-) As in steps 3), 4) and 5) above, input to pin 34 and measure pin 42, then input to pin 33 and measure pin 41. T23 RGB Contrast Adjustment Characteristics A or B A or B A or B T24 Analog RGB Brightness Adjustment Characteristics A or B Adjust the signal 2 amplitude A so that the picture period amplitude of pin 43 is 0.5Vp-p. Measure the picture period voltage of pins 43, 42, and 41 when the RGB brightness change to the maximum (7F), the center (40), and the minimum (00). (VbrTXMAX, VbrTXCNT, VbrTXMIN) 1) 2) T25 Analog RGB Brightness Sensitivity Using the results obtained from T24, calculate the RGB brightness sensitivity for pins 43, 42, and 41. GbrTX = (VbrTXMAX-VbrTXMIN) / 128 60 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) 4) 5) A 6) 7) 8) 1) B A A A B B A Apply 5V from an external power supply to pin 32. Repeat step 1) of T20. PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 35. Measure the picture period amplitude of pin 43. (vTXACL1) Measure the picture period amplitude of pin 43 when -0.5V DC is applied to pin 45 from an external source. (vTXACL2) Measure the picture period amplitude of pin 43 when -1V DC is applied to pin 45 from an external source. (vTXACL3) TXACL1 = -20xog (vTXACL2 / vTXACL1) TXACL2 = -20xog (vTXACL3 / vTXACL1) Set the subaddress (10) data to (01) and repeat the calculations in steps 5) and 6). (TXACL3, TXACL4) Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 53 and adjust the drive adjustment data so that the picture period amplitudes of pins 41 and 42 are equal to that of pin 43. Apply 5V from an external power supply to pin 36. Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 39. Measure the picture period amplitude of pin 43. (V43R) As in steps 3) and 4) above, input to pin 38 and measure pin 42, then input to pin 37 and measure pin 41. (V42G, V41B) T26 Text ACL Characteristics A 2) 3) 4) 5) 6) A A or B A or B A or B T27 Analog OSD Gain GOSDR = V43R / 0.2 GOSDG = V42G / 0.2 GOSDB = V41B / 0.2 61 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) A 4) 5) A A A A B B A Apply 5V from an external power supply to pin 36. Repeat step 1) of T27. PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 T28 Analog OSD White Peak Slice Level A Apply external voltage to pin 39, increase the voltage gradually from 0.0V, and measure the picture period amplitude voltage when pin 43 is clipped. (VOSD1R) As in step 3) above, input to pin 38 and measure pin 42. Input to pin 37 and measure pin 41. Set the subaddress (10) data to (04) and repeat the measurements in steps 3) and 4). (VOSD2R, VOSD2G, VOSD2B) Repeat step 1) of T27. Apply 5V from an external power supply to pin 36. Apply external voltage to pin 39, decrease the voltage gradually from 4.5V, and measure the voltage when pin 43 is clipped. As in step 3) above, input to pin 38 and measure pin 42. Input to pin 37 and measure pin 41. Repeat step 1) of T27. Apply 5V from an external power supply to pin 36. Measure the picture period voltages of pins 43, 42, and 41. (VOSDDCR, VOSDDCG, VOSDDCB) 1) 2) 4) 1) 3) 2) 3) T29 Analog OSD Black Peak limiter Level T30 Analog OSD Output DC Voltage 62 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) 4) A 6) 7) 8) A A A B B B A 5) Apply 5V from an external power supply to pin 36. Repeat step 1) of T27. Set the subaddress (10) data to (02). PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Input signal 1 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 39. Measure the picture period amplitude of pin 43. (vOSDACL1) Measure the picture period amplitude of pin 43 when -0.5V DC is applied to pin 45 from an external source. (vOSDACL2) Measure the picture period amplitude of pin 43 when -1V DC is applied to pin 45 from an external source. (vOSDACL3) OSDACL1 = -20xog (vOSDACL2 / vOSDACL1) OSDACL2 = -20xog (vOSDACL3 / vOSDACL1) Change the subaddress (10) data to (00) and repeat the measurements in steps 1) to 7).(OSDACL3, OSDACL4) T31 OSD ACL Characteristics A 63 2002-03-29 TA1276AN NOTE SW 34 Color difference block common test conditions SW 13 : A, SW15 : C, SW18 : ON, SW 20 : ON, SW 23 : ON, SW 24 : ON, SW 25 : ON 1) 2) 3) A 4) A A A A A or B C 5) 6) 1) A or B PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Color Difference Block Change the G and B drive data to the value resulting from the adjustment in step 1) of T20. Set the brightness to maximum, set the subaddress (0F) data to (30), and set the subaddress (10) data to (20). Input signal 3 (f0 = 100kHz, picture period amplitude = 0.23Vp-p) to pin 51. Measure the picture period amplitude of pin 43 when the unicolor data change to the maximum (7F), the center (40), and the minimum (00). (vuCYMAX, vuCYCNT, vuCYMIN) Calculate the unicolor maximum and minimum amplitude ratios using decibel conversion. (vuCY) Repeat steps 3), 4), and 5) above, inputting the picture period amplitude 0.2Vp-p to pin 52 and measuring pin 41. Measure the voltage of pin 51. Set the brightness to maximum, set the subaddress (0F) data to (30), and set the subaddress (10) data to (20). Input signal 3 (f0 = 100kHz, picture period amplitude = 0.115Vp-p) to pin 51. A1 Color Difference Contrast Adjustment Characteristics A 2) 3) 4) A2 Color Adjustment Characteristics Measure the picture period amplitude of pin 43 when the color data are changed to the maximum (7F), the center (40), and the minimum (01). (vcCYMAX, vcCYCNT, vcCYMIN) Calculate the color maximum and minimum amplitude ratios for the center using decibel conversion. (vcCY+, vcCY-) 5) Repeat steps 2) to 4) above, inputting the picture period amplitude 0.1Vp-p to pin 52 and measuring pin 41. 64 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) 4) A 6) 7) 8) GHTRY = vHTBRY / vHTARY Repeat steps 1) to 5) above with pin 42. GHTGY = vHTBGY / vHTAGY A A A A A or B C 5) A or B Apply 1.5V from an external power supply to pin 47. Set the subaddress (10) data to (20). PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Input signal 3 (f0 = 100kHz, picture period amplitude = 0.2Vp-p) to pin 51. Measure the picture period amplitude of the waveform output from pin 43. (vHTARY) A3 Color Difference Half Tone Characteristics A Measure the picture period amplitude of the waveform output from pin 43. (vHTBRY) Repeat steps 1) to 5) above, inputting signal to pin 52 and measuring pin 41. GHTBY = vHTBBY / vHTABY 65 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) Input signal 2 to pin 51. Set the subaddress (10) data to (20). PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 When the subaddress (07) data are: (80)-OFF (82)-1ON (84)-2ON (86)-3ON measure the changes in the amplitude level of the pin 43 output signal at an increase the amplitude A of signal 2 and plot the characteristics. Calculate the ON gradient , using V, which represents the point at which the characteristics become effective, and the gradient of the linear section with OFF as (1). 4) A A A A A B B C A4 Color Characteristics A 1) 2) A 3) 4) Measure the voltage of pin 51. Set the subaddress (10) data to (20). Input signal 2 (picture period amplitude = 0.4Vp-p) to pin 52. Measure the picture period amplitude of the pin 43 output signal when the subaddress (07) data are (80) and (81). (CLT0, CLT1) A5 Color Limiter Characteristics 66 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) A 4) 5) 1) HBC1 = (1.2-V41) / 1.2 A A A A B A C Input signal 2 (picture period amplitude = 0.2Vp-p) to pin 52. Set subaddress (10) data to (20). PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 A6 High-Brightness Color Gain A Adjust the color control so that the picture period amplitude output from pin 41 is 1.2Vp-p. Measure the picture period amplitude of the pin 41 output signal when the subaddress (06) data are (FF). (V41) Input IQ demodulated flesh-bar signals (15-step rainbow signals in the range -30 to +240) to pin 52 (Q signal) and pin 51 (I signal) as 0.2Vp-p. Set the brightness to maximum. Set subaddress (10) data to (00). Measure the signals output from pins 41 and 43 and switch to subaddress (10) data to (06). Measure the output signals and calculate the variation characteristics of the color vector phase. Draw the vector variation characteristics curve showing the on state from the off state and calculate the gradient in the vicinity of the I axis as Fa33. Subaddress (08) Data (80) off Data (81) on 2) 3) 4) A7 Flesh Color Characteristics A 67 2002-03-29 TA1276AN NOTE SW 34 1) 2) 3) 4) 5) 6) 7) 8) 9) Set the subaddress (02) data to (81). Read the 4MHz amplitude output to pin 43. (VCDE1) (mVp-p) Read the 4MHz amplitude output to pin 43. (VCDE0) Input signal 2 (picture period amplitude = 0.3Vp-p) to pin 51. Set the subaddress (11) data to (02). Set the subaddress (10) data to (20). Set the subaddress (02) data to (01). PARAMETER SW 33 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 35 SW 37 SW 38 SW 39 SW 51 SW 52 SW 53 Connect SG to Y-IN and input a 4MHz frequency sine wave at 20mVp-p. A8 Color Detail Emphasis A A A A A A A B A Set the subaddress (0A) data to (81) and read the amplitude of frequency Fp output to pin 43. (VCDE2) (mVp-p) 10) GCD0 = 20xog (|VCDE1-VCDE0| / 20) GCD1 = 20xog (|VCDE2-VCDE0| / 20) 68 2002-03-29 TA1276AN NOTE PARAMETER SW 16 DEF Block common test conditions SW 13 : A, SW33 : A, SW 34 : A, SW35 : A, SW 37 : A, SW38 : A, SW 39 : A, SW48 : ON, SW49 : ON, SW51 : B, SW 52 : B, SW 56 : ON, BUS Data = power on reset B ON OFF A ON TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 17 SW 18 SW 20 SW 23 SW 25 DEF Block D1 Horizontal Oscillation Control Sensitivity D Calculate the pin 23 (H.out) frequency variation rate when the voltage on pin 20 is varied by 0.05V with a horizontal oscillation frequency of 15.734kHz. Measure the phase difference SPH1 of the pin 23 (H.out) waveform in relation to the pin 17 (HD.out) waveform when a 50Hz composite video signal is applied to TP15. Measure the phase difference SPH2 of the pin 20 waveform in relation to the center of the input signal's horizontal sync signal Also, apply a 60Hz composite video signal to pin 15 and measure SPH3. D2 Horizontal Sync Phase C ON 69 2002-03-29 TA1276AN NOTE PARAMETER SW 16 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 17 SW 18 SW 20 SW 23 SW 25 Vary the voltage by 1.5V to 3.5V, apply a 50Hz composite video signal to pin TP15, and measure the phase variation of the pin 23 (H.out) waveform. D3 Range of Curve Correction D C ON ON A ON Under the same conditions as those for D3, measure phase variation of the pin 23 (H.out) waveform when subaddress (0B) data D7 to D3 are varied by (00000) to (11111). D4 Horizontal Screen Phase Adjustment Range 70 2002-03-29 TA1276AN NOTE PARAMETER SW 16 SW 17 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 18 SW 20 SW 23 SW 25 SW 35 Apply a 50Hz composite video signal to TP15, then measure the phase difference CPS and the pulse width CPW of the pin 35 (R in) waveform in relation to the pin 17 (HD.out) waveform. D5 Clamp Pulse Start Phase ON ON A ON OPEN Pulse Width of Clamp Pulse D C Apply a 50Hz composite video signal to TP15, then measure the phase difference CPS and the pulse width CPW of the pin 2 (SCP) waveform in relation to the pin 17 (HD.out) waveform. Gate Pulse Start Phase D6 Pulse Width of Gate Pulse 71 2002-03-29 TA1276AN NOTE PARAMETER SW 16 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 17 SW 18 SW 20 SW 23 SW 25 Under the same conditions as those for D6, measure the phase difference HPS and HPW50 of the horizontal blanking pulse. Also measure HPW60 at 60Hz. D7 Horizontal Blanking Pulse Start Phase C ON ON A ON Pulse Width of Horizontal Blanking Pulse D Apply a 50Hz composite video signal to TP15, then measure the phase difference HPS and the pulse width HPW / VHD of the pin 17 (HD out) waveform in relation to the pin 20 (AFC1 filter) waveform. HD Output Start Phase D8 HD Output Pulse Width HD Output Amplitude 72 2002-03-29 TA1276AN NOTE PARAMETER SW 16 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE TEST CONDITIONS SW 17 SW 18 SW 20 SW 23 SW 25 Apply a 50Hz composite video signal to TP15, then measure the phase difference VP50S1 and the pulse width VP50S2 of the pin 2 (SCP) waveform in relation to the pin 17 (sync input) waveform. D9 Vertical Blanking Pulse Start Phase (1) C ON ON A ON Vertical Blanking Pulse End Phase (1) D D10 Vertical Blanking Pulse Start Phase (2) Vertical Blanking Pulse End Phase (2) Apply the same conditions as those for D9 except change the input signal to a 60Hz composite video signal and measure the phase difference VP60S and pulse width VP60W . Vertical Pull-In Range (1) Input a 50Hz composite video signal to pin TP15, vary the vertical frequency of this signal in 0.5H-steps, and measure the vertical pull-in range. Set D5 to D3 of subaddress (17) to (001), vary the vertical frequency of a 60Hz composite video signal input to pin TP15 in 0.5H-steps, and measure the vertical pull-in range. Vertical Pull-In Range (2) D11 Vertical pull-In range (3) Input a 50Hz composite video signal to pin TP15, vary the vertical frequency of this signal in 0.5H-steps, and measure the number of Hs when D2 of the 1st byte changes from 0 to 1 in bus read mode.Also check that D1 of the 1st byte is 0 when 1V = 312.5H, when D1 is 1 in bus read mode, and 1V<311.5 or 1V>313.5H. Vertical pull-In range (4) Input a 60Hz composite video signal to pin TP15, vary the vertical frequency of this signal in 0.5H-steps, and measure the number of Hs when D2 of the 1st byte changes from 1 to 0 in bus read mode when. Also check that D1 of the 1st byte is 0 when 1V = 262.5H, D1 is 1 in bus read mode, and 1V<261.5 or 1V>263.5H. 73 2002-03-29 TA1276AN NOTE SW 17 PARAMETER SW 16 TEST CONDITIONS (UNLESS OTHERWISE STATED, VCC1 = 5V, VCC2 / VCC3 / DEF VCC = 9V, Ta = 253C) SWITCHING MODE SW 33 SW 34 #32 TEST CONDITIONS SW 35 #36 SW 18 SW 20 SW 23 SW 25 SW 37 #47 SW 38 SW 39 Apply a 50Hz composite video signal to TP15, then measure the phase difference VR50S1 and the pulse width VR50S2 of the pin 43 (R.out) waveform in relation to the pin 15 (sync input) waveform. Similarly, measure pins 42 and 41. D12 RGB Output Vertical Blanking Pulse Start Phase (1) C ON ON A ON A Gro-un d RGB Output Vertical Blanking Pulse End Phase (1) D D13 RGB Output Vertical Blanking Pulse Start Phase (2) RGB Output Vertical Blanking Pulse End Phase (2) Apply the same conditions as those for D12 except change the input signal to a 60Hz composite video signal and measure the phase difference VP60S1 and pulse width VP60S2. 74 2002-03-29 TA1276AN CHROMA TEST SIGNALS TEXT / COLOR DIFFERENCE TEST SIGNALS 1) Video signal 1) Input signal C-1 2) Input signal C-2 2) Input signal 1 3) Input signal C-3 3) Input signal 2 4) Input signal C-4 4) Input signal 3 75 2002-03-29 TA1276AN VERTICAL OUTPUT PULSE WIDTH / VERTICAL OUTPUT PULSE PHASE VARIATION / VERTICAL OUTPUT PULSE PHASE RANGE 76 2002-03-29 TA1276AN RGB VERTICAL BLANKING PULSE START PHASE / END PHASE 77 2002-03-29 TA1276AN TEST CIRCUIT 78 2002-03-29 TA1276AN APPLICATION CIRCUIT 1-NORMAL SCAN (3.58NTSC) 79 2002-03-29 TA1276AN APPLICATION CIRCUIT 2-NORMAL SCAN (4.43PAL / 4.43NTSC / 3.58NTSC) 80 2002-03-29 TA1276AN APPLICATION CIRCUIT 3-NORMAL SCAN (4.43PAL / 4.43NTSC / 3.58NTSC / SECAM) 81 2002-03-29 TA1276AN APPLICATION CIRCUIT 4-NORMAL SCAN (3.58NTSC / M-PAL / N-PAL) 82 2002-03-29 TA1276AN APPLICATION CIRCUIT 5-DOUBLE SCAN (3.58NTSC) 83 2002-03-29 TA1276AN AKB APPLICATION CIRCUIT 84 2002-03-29 TA1276AN PACKAGE DIMENSIONS Weight: 5.55g (Typ.) 85 2002-03-29 TA1276AN RESTRICTIONS ON PRODUCT USE 000707EBA * TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc.. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer's own risk. * The products described in this document are subject to the foreign exchange and foreign trade laws. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. * The information contained herein is subject to change without notice. 86 2002-03-29 |
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