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Ordering number : EN7962
Monolithic Linear IC
LA76835NM
Overview
For PAL/NTSC Color Television Sets
VIF/SIF/Y/C/Deflection Implemented in a Single Chip
The LA76835NM is VIF/SIF/Y/C/Deflection implemented in a single chip for PAL/NTSC color television sets
Functions
* VIF/SIF/Y/C/Deflection implemented in a single chip. * I2C bus control.
Specifications
Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage Symbol V5 max V32 max V53 max V74 max Maximum supply current I17 max I29 max Allowable power dissipation Operating temperature Storage temperature Pd max Topr Tstg Ta 65C * Conditions Ratings 7.0 7.0 7.0 9.3 25 35 1.5 -10 to +65 -55 to +150 Unit V V V V mA mA W C C
* Mounted on a board: 114.3x76.1x1.6mm3 glass epoxy board
Any and all SANYO Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. SANYO Semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor products described or contained herein.
D2006 MS PC B8-7038 No.7962-1/50
LA76835NM
Operating Conditions at Ta = 25C
Parameter Recommended supply voltage Symbol V5 V32 V53 V74 Recommended supply current I17 I29 Operating supply voltage range V5 op V32 op V53 op V74 op Operating supply current range I19 op I26 op Conditions Ratings 5.0 5.0 5.0 9.0 19 29 4.7 to 5.3 4.7 to 5.3 4.7 to 5.3 8.7 to 9.3 26 to 32 24 to 33 Unit V V V V mA mA V V V V mA mA
Electrical Characteristics Ta = 25C, VCC1 = V5 = V53 = 5.0V, VCC2 = V74 = 9.0V, ICC1 = I17 = 19mA, ICC2 = I29 = 29mA
Parameter Circuit voltage, current IF supply current RGB supply voltage Horizontal supply voltage Video/Vertical supply current CPU Reset operating voltage FM supply current VIF block Maximum RFAGC voltage Minimum RFAGC voltage RF AGC Delay Pt (@DAC = 0) RF AGC Delay Pt (@DAC = 63) Input sensitivity No-signal video output voltage Sync signal tip level Video output amplitude Video S/N C-S beat level Differential gain Differential phase Maximum AFT output voltage Minimum AFT output voltage AFT detection sensitivity APC pull-in range (U) APC pull-in range (L) SIF block FM detection output voltage FM limiting sensitivity FM detection output f characteristics FM detection output distortion AM rejection ratio SIF S/N De-emph time constant STHD SAMR SSN SNTC FM = 25kHz AM = 30% DIN.Andio fm = 2.12kHz 48 57 1.5 57 62 2.5 3.5 1.0 % dB dB dB SOADJ SLS SF Output -3dB fm = 100kHz -0.5 205 260 48 3.0 330 54 6.0 mVrms dB dB VRFH VRFL RFAGC0 RFAGC63 Vi VOn VOtip VO S/N IC-S DG DP VAFTH VAFTL VAFTS fPU fPL CW = 80dB, DAC = 0 CW = 80dB, DAC = 63 DAC = 0 DAC = 63 Output-3db No signal IFAGC = "1" CW = 80dB 80dB, AM = 78%, fm = 15kHz CW = 80dB V3.58MHz/V920kHz 80dB, 87.5% Video MOD 80dB, 87.5% Video MOD CW = 80dB, frequency variations CW = 80dB, frequency variations CW = 80dB, frequency variations CW = 80dB, frequency variations CW = 80dB, frequency variations 4.3 0.0 15.0 1.0 1.0 2.9 1.4 1.3 43 54 45 3.3 1.7 1.4 47 60 3.0 1.0 4.8 0.2 25.0 8.0 8.0 5.0 0.7 35.0 8.5 0.0 95 85 50 3.7 2.0 1.5 9.0 0.2 0.7 Vdc Vdc dB dB dB Vdc Vdc Vp-p dB dB % deg Vdc Vdc mV/kHz MHz MHz I5 V17 V29 I53 VReset I74 V74 = 9V V5 = 5V, V76 = 2.5V I17 = 19mA I29 = 29mA I53 = 5V 3.2 7.0 42.0 50.0 8.0 5.0 94.0 3.6 8.0 4.0 9.0 58.0 mA V V mA V mA Symbol Conditions min Ratings typ max Unit
Continued on next page.
No.7962-2/50
LA76835NM
Continued from preceding page. Parameter AUDIO block Maximum gain Variable range Frequency characteristics Mute Distortion S/N Crosstalk Chroma block ACC amplitude characteristics 1 ACC amplitude characteristics 2 B-Y/Y amplitude ratio Color control characteristics 1 2 ACCM1_N ACCM2_N CLRBY CLRMN CLRMM CLRSE TINCEN MAX MIN Tint control sensitivity Tint dependence on color L Tint dependence on color H Demodulation output ratio R-Y/B-Y Demodulation output ratio G-Y/B-Y Demodulation angle R-Y/B-Y Demodulation angle R-Y/B-Y control 1 Demodulation angle R-Y/B-Y control 2 Demodulation angle G-Y/B-Y Demodulation angle G-Y/B-Y control Killer operating point 2 Killer operating point 4 Killer operating point difference Chroma VCO free-running frequency APC pull-in range (+) APC pull-in range (-) Static phase error + Static phase error fsc output amplitude Residual higher harmonic level B Residual higher harmonic level R Residual higher harmonic level G C-BPF1A (3.08MHz) C-BPF1B (3.88/3.28MHz) C-BPF1C (4.08/3.08MHz) PLINPO PLINNO SPER_P SPER_N C_FSC E_CAR_B E_CAR_R E_CAR_G CBP308 CBP03 CBP05 Reference: 3.48MHz Reference: 3.28MHz Reference: 3.08MHz -5.0 -2.0 -3 -1.5 0.0 0 Fsc: +200Hz Fsc: -200Hz reference data -15 0 -5 5 300 300 300 300 0.0 2.0 3 350 -350 0 15 Hz Hz deg deg mVp-p mVp-p mVp-p mVp-p dB dB dB KILL KILL4 D_KILL CVCOF 0dB = 40IRE, ColorKiller ope. = 2 0dB = 40IRE, ColorKiller ope. = 4 KILL-KILL4 -31 -33 0.5 -320 -25 -27 2 0 -21 -22 5 320 dB dB dB Hz ANGGB1 ANGGB2 R-Y/B-Y_Angle_DAC = Center G-Y_Angle_DAC = 1 -128 -117 -118 -107 -108 -97 deg deg ANGRB3 R-Y/B-Y_Angle_DAC = Minimum 95 105 deg ANGRB1 ANGRB2 GB TINMAX TINMIN TINSE CLRPL CLRPH RB R-Y/B-Y_GainBalance_DAC, R-Y/B-Y_Angle_DAC = Center R-Y/B-Y_GainBalance_DAC, R-Y/B-Y_Angle_DAC = Center R-Y/B-Y_Angle_DAC = Center R-Y/B-Y_Angle_DAC = Maximum 95 105 105 115 115 deg deg 0.20 0.30 0.40 Ratio 1.4 -3.0 -3.0 0.75 Color MAX/CEN Color MAX/MIN Input: +6dB/0dB 0dB = 40IRE Input: -14dB/0dB 0.8 0.7 100 1.6 30 1 -10 40 1.0 1.0 130 1.8 45 1.4 0 50 -50 1.55 0 0 0.85 -40 1.7 3 3 0.95 1.2 1.1 170 2.2 70 4 10 Ratio Ratio % Ratio dB %/bit deg deg deg deg deg deg Ratio AGMAX ARANGE AF AMUTE ATHD ASN ACT 1kHz, Volume = "127" 1kHz, Volume = "0" 20kHz, Volume = "127" 1kHz, AUDIO MUTE = "1" 1kHz, Volume = "127" DIN.Audio 1kHz, AUDIO SW = "0" 60 70 65 75 -3.0 60 -3.0 70 0.0 70 0.0 75 0.5 3.0 3.0 dB dB dB dB % dB dB Symbol Conditions min Ratings typ max Unit
Color control sensitivity Tint center Tint control
Continued on next page.
No.7962-3/50
LA76835NM
Continued from preceding page. Parameter OSD block OSD Fast SW threshold Digital OSD Red output amplitude @OSD Cnt: 0 Digital OSD Red output amplitude @OSD Cnt: 3 Digital OSD Green output amplitude @OSD Cnt: 0 Digital OSD Green output amplitude @OSD Cnt: 3 Digital OSD Blue output amplitude @OSD Cnt: 0 Digital OSD Blue output amplitude @OSD Cnt: 3 Analog OSD R output amplitude gain match Analog OSD G output amplitude gain match Analog OSD B output amplitude gain match RGB output (cutoff drive) block Brightness control Normal Hi brightness Max Low brightness Min Cutoff control (min) Bias control (max) Resolution Sub-bias control resolution Drive adjustment Normal output (R, B) 50IRE Drive adjustment Maximum output (R, B) 50IRE Drive adjustment Normal output (G) 50IRE Drive adjustment Maximum output (G) 50IRE Drive adjustment Output attenuation (R, B) Drive adjustment Output attenuation (G) RGB output DC difference voltage Video SW block Video signal input 1DC voltage Video signal input 1AC voltage Video signal input 2DC voltage Video signal input 2AC voltage SVO terminal DC voltage SVO terminal AC voltage VIN1DC VIN1AC VIN2DC VIN2AC SVODC SVOAC 1.7 1.7 2.2 2.2 2.5 1 2.5 1 2 2 2.3 2.3 2.8 2.8 V Vp-p V Vp-p V Vp-p RGB_DC 0 0.2 V DrGainG 1.5 3.5 5.5 dB DrGainRB 8 10 12 dB Gout15 0.70 1.00 1.30 Vp-p Gout10 0.60 0.90 1.20 Vp-p RBout127 1.05 1.35 1.65 Vp-p BRT64 BRT127 BRT0 Vbias0 Vbias255 Vbiassns Vsbiassns Rbout64 0.60 1.9 35 -45 1.9 2.9 2.2 40 -40 2.2 3.2 4 8 0.90 1.20 2.5 45 -35 2.5 3.5 V IRE IRE V V mV/Bit mV/Bit Vp-p BRGB 1.0 1.2 1.4 Ratio GRGB 1.0 1.2 1.4 Ratio RRGB 1.0 1.2 1.4 Ratio BOSDDIGI3 150 IRE BOSDDIGI0 60 IRE GOSDDIG3 150 IRE GOSDDIG0 66 IRE ROSDDIG3 150 IRE FSTH ROSDDIG0 0.5 0.8 60 1.1 V IRE Symbol Conditions min Ratings typ max Unit
Continued on next page.
No.7962-4/50
LA76835NM
Continued from preceding page. Parameter Video block Video overall gain (Contrast max) Contrast adjustment Characteristics Video frequency characteristics FILTER SYS = 0 FILTER SYS = 2 FILTER SYS = 4 Chroma trap amount DC transmission amount 1 DC transmission amount 2 DC transmission amount 3 DC transmission amount 4 Y-DL TIME TRAP1 TRAP2 TRAP OFF Pre-Shoot adjustment 1 Pre-Shoot adjustment 2 Black stretch gain Max Mid Min Black stretch start Max (60IRE V) Mid (50IRE V) Min (40IRE V) Sharpness variable range 1 Trap 1 mid Trap 1 max Trap 1 min Sharpness variable range 2 Trap 2 mid Trap 2 max Trap 2 min Sharpness variable range 3 Trap off mid Trap off max Trap off min White peak limiter operating point 1 2 3 4 Sharp0T3 WPL1 WPL2 WPL3 WPL4 F = 5MHz, FILTER SYS = 100 APL = 100%, WPL = 0 APL = 100%, WPL = 1 APL = 100%, WPL = 2 APL = 100%, WPL = 3 -5.0 158.0 107.0 81.0 56.0 -2.0 168.0 117.0 91.0 66.0 1.0 178.0 127.0 101.0 76.0 dB IRE IRE IRE IRE Sharp32T1 Sharp63T1 Sharp0T1 Sharp32T2 Sharp63T2 Sharp0T2 Sharp32T3 Sharp63T3 F = 2.2MHz, FILTER SYS = 000 F = 2.2MHz, FILTER SYS = 000 F = 2.2MHz, FILTER SYS = 000 F = 3MHz, FILTER SYS = 010 F = 3MHz, FILTER SYS = 010 F = 3MHz, FILTER SYS = 010 F = 5MHz, FILTER SYS = 100 F = 5MHz, FILTER SYS = 100 5.0 8.5 -6.5 5.5 9.5 -7.0 5.0 8.5 8.0 11.5 -3.5 8.5 12.5 -4.0 8.0 11.5 11.0 13.5 -0.5 11.5 15.5 -1.0 11.0 14.5 dB dB dB dB dB dB dB dB BKSTTHmin Bain = 01, Start = 00 -8.0 0.0 8.0 IRE BKSTTHmid Bain = 01, Start = 01 -8.0 0.0 8.0 IRE Ctrap ClampG1 ClampG2 ClampG3 ClampG4 TdY1 TdY2 TdY3 PreShoot1 PreShoot2 BKSTmax BKSTmid BKSTmin BKSTTHmax SHARPNESS = 0 DCREST = 00 DCREST = 01 DCREST = 10 DCREST = 11 FILTER SYS = 000 FILTER SYS = 010 FILTER SYS = 100 Pre-shoot adj. = 00 Pre-shoot adj. = 11 Gain = 10, Start = 01 Gain = 01, Start = 01 Gain = 00, Start = 01 Bain = 01, Start = 10 -38.0 95.0 100.0 104.0 108.0 530.0 350.0 300.0 0.92 1.08 23.0 15.0 8.0 -8.0 -28.0 100.0 105.0 109.0 113.0 580.0 400.0 350.0 0.97 1.13 28.0 20.0 12.0 0.0 -24.0 105.0 110.0 116.0 118.0 630.0 450.0 400.0 1.02 1.18 33.0 25.0 18.0 8.0 IRE IRE IRE IRE dB % % % % ns ns ns BW3 3.4MHz/100kHz -6.0 -3.0 -1.0 dB BW2 1.8MHz/100kHz -6.0 -3.0 -1.0 dB BW1 1.4MHz/100kHz -6.0 -3.0 -1.0 dB Normal/max Min/max CONT90 CONT0 -4.5 -18.0 -3.0 -15.0 -1.5 -12.0 dB dB CONT127 8.0 10.0 12.0 dB Symbol Conditions min Ratings typ max Unit
Continued on next page.
No.7962-5/50
LA76835NM
Continued from preceding page. Parameter Y gamma effective point 1 2 3 GRAY MODE LEVEL Horizontal/vertical blanking output level Deflection block Horizontal free-running frequency Horizontal pull-in range Horizontal output pulse width Horizontal output pulse saturation voltage Horizontal AFC control current M Horizontal AFC control current H Horizontal AFC control current L Horizontal output pulse phase Horizontal position adjustment range Horizontal position adjustment maximum variability width Horizontal 2nd pull-in range (min) Horizontal 2nd pull-in range (max) Vertical free-running frequency Vertical pull-in range Horizontal output stop voltage Horizontal blanking left @0 left @15 right @0 right @15 Sand castle pulse crest value Burst gate pulse H M1 L Width Phase VFR60 fV PULL Hstop BLKL0 BLKL15 BLKR0 BLKR15 SANDH SANDM1 SANDL BGPWD BGPPH VXRAY BLKL: 0000 BLKL: 1111 BLKR: 0000 BLKR: 1111 59.4 54.0 3.30 8200 15200 2700 -1100 5.3 3.7 0.1 3.5 4.9 0.64 60.0 60.0 3.60 9000 16000 3500 -300 5.6 4.0 0.4 4.0 5.4 0.69 60.6 69.0 3.90 9800 16800 4200 500 5.9 4.3 0.7 4.5 5.9 0.74 Hz Hz V ns ns ns ns V V V s s V HPMAX 15.2 16.0 17.0 s HPMIN 0.5 1.0 3.0 s HPHstep 200.0 ns HAFCM HAFCH HAFCL HPHCEN HPHrange 5bit AFCGAIN: 0 AFCGAIN: 1 AFCGAIN: 0 130 190 50 9.5 180 240 90 10.5 2.2 230 290 130 11.5 A A A s s fH PULL Hduty V Hsat 400 36.1 0 37.6 0.2 39.1 0.4 Hz s V fH 15576 15734 15891 Hz Symbol YG1 YG2 YG3 GRAY RGBBLK YGAMMA = 01 YGAMMA = 10 YGAMMA = 11 GRAY, MODE = 1, CROSS.B/W = 2 Conditions min 89.0 79.0 75.0 11.5 0.1 Ratings typ 93.0 83.0 79.0 15.0 0.4 max 97.0 87.0 83.0 18.0 0.7 % % % IRE V Unit
X-ray protection circuit operating voltage Vertical screen size compensation Vertical ramp output amplitude Vertical size 0.75 NTSC@64 NTSC @0 NTSC@127
Vsnt64 Vsnt0 Vsnt127 VSEZE75
VSIZE: 1000000 VSIZE: 0000000 VSIZE: 1111111 VSIZE0.75: 1
0.75 0.40 1.05 0.70
0.85 0.50 1.20 0.80
0.95 0.60 1.35 0.90
Vp-p Vp-p Vp-p ratio
High-voltage dependent vertical size correction Vertical size correction @0 Vsizecomp VCOMP: 000 0.83 0.93 0.97 ratio
Vertical screen position adjustment/linearity adjustment/S-shaped correction adjustment Vertical ramp DC voltage NTSC@32 NTSC@0 NTSC@63 Vdcnt32 Vdcpal0 Vdcpal63 VDC: 100000 VDC: 000000 VDC: 111111 2.25 1.85 2.65 2.40 2.00 2.80 2.55 2.15 2.95 Vdc Vdc Vdc
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No.7962-6/50
LA76835NM
Continued from preceding page. Parameter Vertical linearity @16 @0 @31 Vertical linearity BOTTOM @16 @0 @31 Vertical S-shaped correction Raster Cut @16 @0 @31 TOP BOTTOM H Phase BOW @8 @0 @15 H Phase ANGLE @8 @0 @15 HS/VS/VBLK HS output pulse width VS output pulse width Vertical Blanking period @0 @1 @2 @3 Horizontal screen size adjustment East/West DC Voltage @32 @0 @63 EWdc32 Ewdc0 Ewdc63 EWDC: 100000 EWDC: 000000 EWDC: 111111 1.90 0.90 2.90 2.30 1.30 3.30 2.70 1.70 3.70 Vdc Vdc Vdc PWHS PWVS VBLK0 VBLK1 VBLK2 VBLK3 V_BLK_Select: 00 V_BLK_Select: 01 V_BLK_Select: 10 V_BLK_Select: 11 11.0 22.0 20 34 44 51 12.0 25.0 22 36 46 53 13.0 28.0 24 28 48 55 s s H H H H Symbol Vlint16 Vlint00 Vlint31 Vlinb16 Vlinb0 Vlinb31 VScor16 VScor0 VScor31 RASCUTT RASCUTB HBOW8 HBOW0 HBOW15 HANG8 HANG0 HANG15 V.LIN_TOP: 10000 V.LIN_TOP: 00000 V.LIN_TOP: 11111 V.LIN_BOTTOM: 10000 V.LIN_BOTTOM: 00000 V.LIN_BOTTOM: 11111 VSC: 10000 VSC: 00000 VSC: 11111 Raster_cut: 1 Raster_cut: 1 H_Phase_BOW: 1000 H_Phase_BOW: 0000 H_Phase_BOW: 1111 H_Phase_ANGLE: 1000 H_Phase_ANGLE: 0000 H_Phase_ANGLE: 1111 Conditions min 0.70 0.40 0.90 0.70 0.40 0.90 0.73 1.12 0.49 59 218 -1300 -300 700 -1200 -300 600 Ratings typ 1.00 0.70 1.20 1.00 0.70 1.20 0.88 1.27 0.64 64 223 -1000 0 1000 -900 0 900 max 1.30 1.00 1.50 1.30 1.00 1.50 1.03 1.32 0.79 69 228 -700 300 1300 -600 300 1200 ratio ratio ratio ratio ratio ratio ratio ratio ratio line line ns ns ns ns ns ns Unit
High-voltage dependent horizontal size compensation Horizontal size compensation@0 Pincushion correction East/West amplitude @32 @0 @63 Tilt Correction East/West tilt @32 @0 @63 Corner Correction East/West corner top bottom EWcorTOP EWcorBOT CORTOP: 1111-0000 CORBOTTOM: 1111-0000 0.30 0.30 0.70 0.70 1.10 1.10 V V Ewtilt32 EWtilt0 EWtilt63 EWTILT: 100000 EWTILT: 000000 EWTILT: 111111 -0.40 -1.40 0.60 0.00 -1.00 1.00 0.40 -0.6 1.40 V V V EWamp32 EWamp0 EWamp63 EWAMP: 100000 EWAMP: 000000 EWAMP: 111111 0.90 -0.40 2.20 1.30 0.00 2.60 1.70 0.40 3.00 Vp-p Vp-p Vp-p Hsizecomp HCOMP: 000 0.1 0.3 0.50 V
Continued on next page.
No.7962-7/50
LA76835NM
Package Dimensions
unit : mm 3174A
23.2 20.0 64 65 41 40
80 1 0.8 (0.8) 0.35 24
25 0.15
3.0max
0.1 (2.7)
SANYO : QIP80E(14X20)
14.0
17.2
0.8
No.7962-8/50
75
75
0.47F
75
5V VCC
0.01F
1F
1F
3.58
680k
1F
64
0.47F 330
63
GND NC A2C PLL VIDEO AMP VIDEO DET SPLL BPF BPF LIM ANP SW FM DET DC VOL TRAP DELAY LINE PEAKING CORING BLACK STRETOH IF AGC RF AGC VIF DC REST SW IST AMP BPF 2ND AMP BPF DEMO COLOR CLAMP CLMP DELAY CB.CR SW COLOR CONTRAST BRIGHT TINT AUTO FLESH RGB MATRIX ACC KILLER SYNC SEP VIDEO SW CLMP CLMP VCO APC1 TINT NC
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
16pF
46
45
24k
44
10k
1F
V/C GND
0.047F
2k
1F
VCO
5V VCC 0.47F
100F
24k
43
42
GND CW KIL
41 40 39
X-RAY HOR VCO 1/256 HOR C/D FEP AFC2 PHASE AFC1 SHIFTER HOR OUT VM AMP
0.1F 0.1F 75 75
65 66 67 68
40
66 67
100k
600 1000pF
1F
39
38 37 36
RESET
1F
38
5.6k
37
HOR GND
0.01F 3k
69
50 0.01F
69 70
NC
35
CPU RESET VDD
1F
35
LA76835NM
Block Diagram and Application Circuit Example
71
10
71 72 NC 73
0.01F 0.01F (M)
34 33 32 31 30
VER SEP VER C/D HOR VCC VER RAMP
4.7k METAL FILM 1% 1k
0.01F
16k
10k
33
+7.6V
74 75
0.022F (M)
74 75 76
10F
3k 1F
OFFSW1
100
0.015F
30
20k
100F
IFSW1
1k DELAY (9US)
2k
73
32
1.5k
27
+7.6V
76 77
0.01F 0.01F 9V 30k
29
0.01F
29
1500pF
NC
1
2
3
4
5
6
7
8
77 78 79 80 IF GND
GND
28 +5V
OSD FIX GAIN ERIGHT AFT OSD SW
10F
(M) (M) 0.47F 0.47F
28
LC4528B
+7.6V
16 15 14 13 12 11 10
9
79
50 0.01F
E/W
26 25
BUS ABL CL AMP HS/VS DRIVE/OUT-OFF GND
26
2k 10k WIDTH(12US)
25
1
2
3
4
5
6
1F
100pF
100k
100pF
5V
7
8
0.1F 100
9
10
11
0.01F
12
0.01F
13
0.01F
14
15
0.01F
100F
100
20k
20k
5V 5V VCC VCC
16
17
18
19
20
21
22
23
24
100k
1k
1k
1k
14
15
16
17
18
0.01F
100F
82k
1k
19
10
DETA
CLK
11A 11B 12A 12B 13A 13B
20
8
5
6
7
9
2200pF
27
27
NC
No.7962-9/50
OMB06078
54B 54A 53 52B 52A 50
56
55
48
44
LA76835NM
Test Conditions Ta = 25C, VCC1 = V5 = V53 = 5.0V, VCC2 = V74 = 9.0V, ICC1 = I17 = 19mA, ICC2 = I29 = 29mA Circuit voltage, current
Parameter IF supply current (pin 5) Symbol I5 Test point Input signal No signal Test method Apply a voltage of 5.0V to pin 5 and measure the incoming DC current [mA]. (IF AGC (76pin) 2.5V) RGB supply voltage V17 Apply a current of 19mA to pin 17 and Initial Bus conditions Initial
5
17
Horizontal supply voltage V29
measure the voltage at pin 17. Apply a current of 29mA to pin 29 and Initial
29
Video/vertical supply current I53
measure the voltage at pin 29. Apply a voltage of 5.0V to pin 53 and Initial
53
CPU Reset operation voltage Vreset
measure the incoming DC current [mA]. Allow the current to flow slightly at a time Initial
35
through pin 32 and measure the pin 32 voltage at a time when the pin 35 voltage rises.
32
IF supply current (pin 74) I74 No signal Apply a voltage of 9.0V to pin 74 and measure the incoming DC current [mA]. Initial
74
No.7962-10/50
LA76835NM
VIF Block Input Signals and Test Conditions
1. Input signals must all be input to the PIF IN (pin 79) in the Test Circuit. 2. All input signal voltage values are the levels at the VIF IN (pin 79) in the Test Circuit. 3. Pin 34 = 5V 4. Signal contents and signal levels.
Input signal SG1 CW Waveform 45.75MHz Conditions
SG2 CW
42.17MHz
SG3 CW
41.25MHz
SG4 CW
Frequency variable
SG5
45.75MHz 87.5% Video Mod. 10-stairstep wave (Subcarrier: 3.58MHz)
SG6
45.75MHz fm = 15kHz, AM = 78%
5. Before measurement, adjust the DAC as follows.
Parameter Video Level DAC Test point SG6, 80dB Input signal Adjustment Set the output level at pin 56 as close to 1.4Vp-p as possible.
56
No.7962-11/50
LA76835NM
VIF Block Test Conditions
Input signal Maximum RF AGC voltage Minimum RF AGC voltage RF AGC Delay Pt (@DAC = 0) (@DAC = 63) Input sensitivity Vi SG6 RFAGC63 RFAGC0 VRFL Symbol VRFH Test point Input signal SG1 80dB SG1 Measure the DC voltage at pin 77. RF.AGC = "111111" Test method Measure the DC voltage at pin 77. Bus conditions RF.AGC = "000000"
77
77
80dB SG1 Obtain the input level at which the DC voltage at pin 77 becomes 4.5V. Obtain the input level at which the DC voltage at pin 77 becomes 4.5V. Using an oscilloscope, observe the level at pin 56 and obtain the input level at which the waveform's p-p value becomes 1.0Vp-p. No signal Set IF AGC = "1" and measure the DC voltage at pin 56. SG1 Measure the DC voltage at pin 56. IF.AGC = "1" RF.AGC = "111111" RF.AGC = "000000"
77
56
No-signal video output voltage Sync signal tip level Votip Von
56
56
Video output amplitude Video S/N S/N Vo
80dB SG6 Using an oscilloscope, observe the level at pin 56 and measure the waveform's p-p value. Measure the noise voltage at pin 56 with an RMS voltmeter through a 10kHz to 4.2MHz band-pass filter. **** Vsn 20Log (1.0/Vsn)
56
80dB SG1
56
80dB
C-S beat level
IC-S
SG1
Input a 80dB SG1 signal and measure the DC voltage (V76) at pin 76. Mix SG1 = 74dB, SG2 = 69dB, and SG3 = 49dB to enter the mixture in the VIF IN. Apply V76 to pin 76 from an external DC power supply. Using a spectrum analyzer, measure the difference between pin 56's 3.58MHz component and 920kHz component.
56
SG2 SG3
Differential gain
DG
SG5
Using a vector scope, measure the level at pin 56.
56
Differential phase DP
80dB SG5 Using a vector scope, measure the level at pin 56.
56
Maximum AFT output voltage Minimum AFT output voltage AFT detection sensitivity VAFTS VAFTL VAFTH
80dB SG4 Set and input the SG4 frequency to 44.75MHz. Measure the DC voltage at pin 7 at that moment. Set and input the SG4 frequency to 46.75MHz. Measure the DC voltage at pin 7 at that moment. Adjust the SG4 frequency and measure frequency deviation f when the DC voltage at pin 7 changes from 1.5V to 3.5V. VAFTS = 2000/f [mV/kHz]
7
80dB SG4
7
80dBz SG4
7
80dBz
APC pull-in range (U), (L)
fPU, fPL
SG4
Connect an oscilloscope to pin 56 and adjust the SG4 frequency to a frequency higher than 45.75MHz to bring the PLL into unlocked mode. (A beat signal appears.) Lower the SG4 frequency and measure the frequency at which the PLL locks again. In the same manner, adjust the SG4 frequency to a lower frequency to bring the PLL into unlocked mode. Higher the SG4 frequency and measure the frequency at which the PLL locks again.
56
80dB
No.7962-12/50
LA76835NM
SIF Block (FM block) Input Signals and Test Conditions
Unless otherwise specified, the following conditions apply when each measurement is made. 1. Bus control condition: IF.AGC. = "1", FM.MUTE = "0" 2. IFSW1 = "ON", pin 34 = 5V 3. Input signals are input to pin 69 and the carrier frequency is 4.5MHz.
Parameter FM detection output voltage FM limiting sensitivity FM detection output f characteristics (fm = 100kHz) FM detection output distortion AM rejection ratio SAMR STHD SF SLS Symbol SOADJ Test point Input signal 90dB, fm = 400Hz, FM = 25kHz fm = 400Hz, Measure the input level (dB) at which the 400Hz component of the FM detection output at pin 75 becomes -3dB relative to SV1. 90dB, Set IFSW1 = "OFF". Measure the FM detection output of pin 75. **** [mVrms] SF = 20Log (SV1/SV2) [dB] 90dB, Measure the distortion factor of the 400Hz component of the FM detection output at pin 75. Measure the 400kHz component of the FM detection output at pin 75. **** SV3 [mVrms] Assign the measured value to SV3. SAMR = 20Log (SV1/SV2) [dB] SIF.S/N SSN 90dB, Measure the noise level (DIN AUDIO) at pin 75. **** SV4 [mVrms] SSN = 20Log(SV1/SV4) [dB] de-emphtime constant SNTC 90dB, Measure the 2.12kHz component of the FM detection output at pin 75. **** SV5 [mVrms] SNTC = 20Log (SV1/SV5) [dB] ponent) of pin 75. Test method Measure the FM detection output (400Hz comBus conditions
75
75
FM = 25kHz
75
fm = 100kHz FM = 25kHz
75
fm = 400Hz, FM = 25kHz 90dB,
75
fm = 400Hz, AM = 30%
75
CW
75
fm = 2.12kHz FM = 25kHz
No.7962-13/50
LA76835NM
Audio Block Input Signals and Test Conditions
Unless otherwise specified, the following conditions apply when each measurement is made. 1. Bus control condition: AUDIO.MUTE = "0", AUDIO.SW = "1", VOL.FIL = "0", IF.AGC. = "1" 2. Input 4.5MHz, 90dB and CW at pin 69. 3. Pin 34 = 5V 4. Enter an input signal from pin 66.
Parameter Maximum gain Symbol AGMAX Test point Input signal 1kHz, CW Test method Measure the 1kHz component at the pin 73. **** V1 [mVrms] AGMAX = 20Log (V1/500) [dB] Variable range ARANGE 1kHz, CW Measure the 1kHz component at the pin 73. **** V2 [mVrms] ARANGE = 20Log (V1/V2) [dB] Frequency characteristics Mute AMUTE AF 20kHz, CW Measure the 20kHz component at the pin 73. ****V3 [mVrms] AF = 20Log (V3/V1) [dB] 1kHz, CW Measure the 20kHz component at the pin 73. ****V4 [mVrms] AMUTE = 20Log (V1/V4) [dB] Distortion ATHD 1kHz, CW Measure the distortion of the 1kHz component at the pin 73. Measure the noise level (DIN AUDIO) at the pin 73. ****V5 [mVrms] ASN = 20Log (V1/V5) [dB] Crosstalk ACT 1kHz, CW Measure the 1kHz component at the pin 73. ****V6 [mVrms] ACT = 20Log (V1/V6) [dB] VOLUME = "1111111" AUDIO.SW = "0" VOLUME = "1111111" VOLUME = "1111111" VOLUME = "1111111" AUDIO.MUTE = "1" VOLUME = "1111111" VOLUME = "0000000" Bus conditions VOLUME = "1111111"
73
500mVrms
73
500mVrms
73
500mVrms
73
500mVrms
73
S/N ASN
500mVrms No signal
73
73
500mVrms
No.7962-14/50
LA76835NM
Chroma Block Input Signals and Test Conditions
Unless otherwise specified, the following conditions apply when each measurement is made. 1. VIF, SIF blocks: No signal 2. Y input to pin 52: Unless otherwise specified, the deflector must be locked to the synchronous signal when the 0 (IRE) signal and the horizontal/vertical composite signal are entered. 3. C input: C IN (pin 54) input 4. Bus control conditions: Set red and blue drives to DAC at which the Y-signal level of pins 18, 19 and 20 becomes as close to R = G = B as possible. Assume here that Gamma Def. is 1 (default), Video SW="1", and C.Ext="1". Set the following conditions unless otherwise specified. 5. Adjust an external X-tal of pin 46 so that the series capacity and resistor impedance (Z) become as follows: Z=0deg @3.579545MHz10Hz -401deg@3.579545MHz 6. How to calculate the demodulation ratio and angle as follows: B-Y axis angle = tan-1(B(0)/B(270))+270 R-Y axis angle = tan-1(R(180)/R( 90))+90 G-Y axis angle = tan-1(G(270)/G(180))+180 R-Y axis 90
R(90) R(180) B(270)
180
B(0) G(180) G(270)
0
B-Y axis
G-Y axis
270
No.7962-15/50
LA76835NM
Chroma input signal:
C-1 40IRE Burst 0 90 180 270 3.58MHz
77IRE signal (L-77) 77 IRE 0 IRE
C-2 40IRE 62.5IRE
Burst
3.58MHz 346
C-3 40IRE 3.48MHz CW (If a frequency is specified, use the specified frequency.) Burst
C-4 40IRE 28 73 118 163
C-5 35s
Burst
3.53MHz Chroma
No.7962-16/50
LA76835NM
Chroma Block Test Conditions
Parameter ACC amplitude characteristics 2 ACCM2 C-1 -14dB 1 Symbol ACCM1 Test point Bout Input signal C-1 0dB Test method Measure the output when 0dB is applied to the chroma input and the output amplitude when +6dB is applied to the chroma input and calculate the ratio between them. ACCM1 = 20Log (+6dBdata/0dBdata) Measure the output when 0dB is applied to the chroma input and the output amplitude when -14dB is applied to the chroma input and calculate the ratio between them. ACCM2 = 20Log (-14dBdata/0dBdata) B-Y/Y amplitude ratio CLRBY YIN: L77 Measure the Y system's output level. **** V1 Input a signal to the CIN (only sync signal to the YIN) and measure the output level. CLRBY = 100x(V2/V1)+15% Color control characteristics 2 CLRMM 1 CLRMN C-3 Measure the output amplitude V1 at color control MAX mode and output amplitude V2 at color control NOM mode.: CLRMN = V1/V2 Measure the output amplitude V3 at color control MIN mode. CLRMM = 20Log (V1/V3) Color control sensitivity CLRSE C-3 Measure the output amplitude V4 at color control 90 mode and output amplitude V5 at color control 38 mode. CLRSE = 100x(V4-V5)/(V2x52) Tint center TINCEN C-1 Measure each part of the output waveform and calculate the B-Y axis angle. TINT: 1000000 Color: 1011010 Color: 0100110 Color: 0000000 (Min) Color: 1111111 (Max) Color: 1000000 (NOM) Bus conditions
20
+6dB
20
No signal C-2
20
20
20
Tint control
MAX
TINMAX
C-1
Measure each part of the output waveform and calculate the B-Y axis angle. TINMAX = B-Y axis angle-TINCEN Measure each part of the output waveform and calculate the B-Y axis angle. TINMIN = B-Y axis angle-TINCEN
TINT: 1111111
20
MIN TINMIN
TINT: 0000000
Tint control sensitivity
TINSE
C-1
Measure the angle A1 at TINT control 85 mode and angle A2 at TINT control 42 mode. TINSE = (A1-A2)/43
TINT: 1010101 TINT: 0101010 COLOR: 00101100
20
Tint dependence on color H CLRPH L CLRPL C-1
Measure the angle of B-Y axis with Color: 44 and determine CLRPL. CLRPL = B-Y axis angle-TINCEN Measure the angle of B-Y axis with Color: 84 and determine CLRPH. CLRPH = B-Y axis angle-TINCEN
20
COLOR: 01010100
Continued on next page.
No.7962-17/50
LA76835NM
Continued from preceding page. Parameter R-Y/B-Y Demodulation output ratio R-Y/B-Y Symbol RB Test point Input signal YIN: L77 C-1: No signal Test method Input a signal to YIN and adjust DAC in R and B drives so that the Y output levels at pins 18 and 20 become as close to the level at 19 as possible. (*1) After that, input 0 IRE to YIN and C-3 to CIN. Measure BOUT output amplitude Vb and ROUT output amplitude Vr and calculate RB=Vr/Vb. Bus conditions Color: 1000000 Adjustment value in B and R drives: *1
18
19
YIN: 0 IRE C-3
20
Demodulation output ratio G-Y/B-Y Demodulation angle R-Y/B-Y ANGRB1 C-1 GB C-3 Measure GOUT output amplitude Vg and calculate GB = Vg/Vb. For the R/B Drive, the adjustment value: *1 applies. Measure each output level of the BOUT and ROUT and calculate the angles of the B-Y axis and R-Y axis. ANGBR1 = (R-Y angle)-(B-Y angle) Color: 1000000 Adjustment value in B and R drives: *1
19
20
18
Demodulation angle R-Y/B-Y Control 1 ANGRB2 C-1 With R-Y/B-Y angle set at maximum, carry out the same measurement as for ANGRB1. ANGBR2 = (R-Y angle)-(B-Y angle) R-Y/B-Y angle 1111
20
18
Demodulation angle R-Y/B-Y Control 2 ANGRB3 C-1 With R-Y/B-Y angle set at minimum, carry out the same measurement as for ANGRB1. ANGBR3 = (R-Y angle)-(B-Y angle) Reset R-Y/B-Y angle to 1000. R-Y/B-Y angle 0000
20
18
Demodulation angle G-Y/B-Y Demodulation angle G-Y/B-Y control Killer operating point 2
ANGGB1
C-1
Measure each output level of the GOUT and calculate the angle of the G-Y axis. ANGBG1 = (G-Y angle)-(B-Y angle)
19
ANGGB2 C-1
Measure each output level of the GOUT and calculate the angle of the G-Y axis. ANGBG2 = (G-Y angle)-(B-Y angle)
G-Y_Angle: 1
19
KILL C-3
Reduce the input signal until the output level becomes 50mVp-p or less. Measure the input level at that moment.
Filter Sys: 1 C. Bypass: 0 ColorKillerope.: 2 Filter Sys: 1 C. Bypass: 0 ColorKillerope.: 4
20
Killer operating point 4
KILL
C-3
Reduce the input signal until the output level becomes 50mVp-p or less. Measure the input level at that moment.
20
Killer operating point difference Chroma VCO free-running frequency APC pull-in range (+)
D_KILL CVCOF CIN:
D_KILL = KILL-KILL4 Measure oscillation frequency f. CVCOF = f-3579545 (Hz) Decrease the chroma fsc frequency from 3.579545MHz+1000Hz and measure the frequency at which the VCO locks. C-1 Increase the chroma fsc frequency from 3.579545MHz-1000Hz and measure the frequency at which the VCO locks. C-1 Set the fsc frequency to 3.579545MHz+200Hz, measure the B-Y axis angle. SPER_P = B-Y axis angle-TINCEN Continued on next page.
44
PLINP0
No signal C-1
20
APC pull-in range (-) PLINN0
20
Static phase error (+) SPER_P
20
No.7962-18/50
LA76835NM
Continued from preceding page. Parameter Static phase error (-) Symbol SPER_N Test point Input signal C-1 Test method Set the fsc frequency to 3.579545MHz-200Hz, measure the B-Y axis angle. SPER_N = B-Y axis angle-TINCEN fsc output amplitude C_FSC C-1 Measure 3.58MHz CW output amplitude at pin 44. Bus conditions
20
44
Residual higher harmonic level B Residual higher harmonic level R E_CAR_R Rout E_CAR_B C-1 Measure the 7.16MHz component output amplitude at pin 20. Measure the 7.16MHz component output amplitude at pin 18.
20
Burst only Burst only
18
Residual higher harmonic level G E_CAR_G Gout C-1 Burst only Measure the 7.16MHz component output amplitude at pin 19.
19
Chroma BPF Block Test Conditions
Band-pass amplitude characteristic 3.08MHz CBP308 C-3 Measure V5 output amplitude. Set the chroma frequency (CW) to 3.08MHz and measure V6 output amplitude. CBE308 = 20Log (V6/V5) Band-pass amplitude characteristic 3.88/3.28MHz Band-pass amplitude characteristic 4.08/3.08MHz CBP05 C-3 CBP03 C-3 Measure V7 output amplitude when the chroma frequency (CW) is 3.28MHz and V8 output amplitude when it (CW) is 3.88 MHz. CBE = 20Log (V8/V7) Set the chroma frequency (CW) to 4.08MHz and measure V9 output amplitude. CBE05 = 20Log (V9/V6) FILTER.SYS: 1 C.BYPASS: 0 FILTER.SYS: 1 C.BYPASS : 0 FILTER.SYS: 1 C.BYPASS: 0
20
20
20
No.7962-19/50
LA76835NM
Video Block Input Signals and Test Conditions
Chroma input signal* chroma or burst signal: 40 IRE Y input signal: 1001RE (714mV) Bus control bit conditions: Initial test state
0IRE signal (L-0): NTSC standard sync signal
PEDESTAL LEVEL H SYNC 4.7s (H/V SYNC: 40IRE: 286mV)
XIRE signal (L-X)
XIRE (X = 0 to 100) 0IRE
CW signal (L-CW)
20IRE CW signal
50IRE
BLACK STRETCH 0IRE signal (L-BK)
50s
100IRE
5s (Point A)
No.7962-20/50
LA76835NM
R/G/B IN Input signal
RGB Input signal 1 (0-1)
to each 20s
0.7V AB 0.35V 0.0VDC
RGB Input signal 2 (0-2)
20s
30s
3.0VDC 0.0VDC
First conditions: Pin 10:5V, Pin 11: GND, Pin 12: GND, Pin 13: GND, Pin 14: GND.
No.7962-21/50
LA76835NM
OSD Block Test Conditions
Parameter OSD Fast SW threshold Symbol FSTH Test point Input signal L-0 O-2 Test method Apply voltage to pin 14 and measure the voltage at pin 14 at the point where the output signal switches to the OSD signal. Digital OSD Red output amplitude @OSD Cnt: 0 ROSDDIG0 L-50 Measure the output signal's 50IRE amplitude. **** CNTCR [Vp-p] L-0 O-2 Measure the OSD output amplitude. ****OSDHR [Vp-p] Pin 14: 3.5V Pin 11: O-2 applied Pin 38: 5V Digital OSD: 1 ROSDDIGI0 = 50x(OSDHR0/CNTCR) Cnt: 3 ROSDDIG3 L-50 L-0 O-2 Measure the output signal's 50IRE amplitude. **** CNTCR [Vp-p] Measure the OSD output amplitude. **** OSDHR3 [Vp-p] Pin 14: 3.5V Pin 11B: O-2 applied Pin 38: 5V Digital OSD: 1 OSD Contrast: 3 ROSDDIGI3 = 50x(OSDHR3/CNTCR) Digital OSD Green output amplitude @OSD GOSDDIG0 = 50x(OSDHG0/CNTCG) Cnt: 3 GOSDDIG3 L-50 L-0 O-2 Measure the output signal's 50IRE amplitude. ****CNTCG [Vp-p] Measure the OSD output's amplitude. ****OSDHG3 [Vp-p] Pin 14: 3.5V Pin 12B: O-2 applied Pin 38: 5V Digital OSD: 1 OSD Contrast: 3 GOSDDIG3 = 50x(OSDHG3/CNTCG) Digital OSD Blue output amplitude @OSD Cnt: 0 BOSDDIG0 L-50 Measure the output signal's 50IRE amplitude. **** CNTCB [Vp-p] L-0 O-2 Measure the OSD output's amplitude. **** OSDHB0 [Vp-p] With OSD contrast of 3, carry out the similar measurement. **** OSDHB3 [Vp-p] BOSDC0 = 50x(OSDHB0/CNTCB) Cnt: 3 BOSDDIG3 L-50 L-0 O-2 Measure the output signal's 50IRE amplitude. **** CNTCB [Vp-p] Measure the OSD output's amplitude. **** OSDHB3 [Vp-p] Pin 14: 3.5V Pin 13B: O-2 applied Pin 38: 5V Digital OSD: 1 OSD Contrast: 3 BOSDC3 = 50x(OSDHB3/CNTCB) Analog OSD R output amplitude gain match RRGB L-100 Measure the output signal's 50IRE amplitude. **** CNTHR [Vp-p] L-0 O-1 Measure the amplitudes at point B (0.7V portion of the input signal 0-1). Assign the measured values to (RGBHR [Vp-p]). GRGB = RGBHG/CNTHG Continued on next page. Pin 14: 3.5V Pin 11A: O-1 applied Pin 38: 5V OSD Contrast: 3 Pin 14: 3.5V Pin 13B: O-2 applied Pin 38: 5V Digital OSD: 1 Cnt: 0 GOSDDIG0 L-50 Measure the output signal's 50IRE amplitude. ****CNTCG [Vp-p] L-0 O-2 Measure the OSD output's amplitude. ****OSDHG0 [Vp-p] Pin 14: 3.5V Pin 12B: O-2 applied Pin 38: 5V Digital OSD: 1 Bus conditions Pin 13B: O-2 applied HT DEF:1
20
18
19
20
18
No.7962-22/50
LA76835NM
Continued from preceding page. Parameter Analog OSD G output amplitude gain match Symbol GRGB Test point Input signal L-100 **** CNTHG [Vp-p] L-0 O-1 Measure the amplitudes at point B (0.7V portion of the input signal 0-1). Assign the measured values to (RGBHG [Vp-p]). GRGB = RGBHG/CNTHG Analog OSD B output amplitude gain match BRGB L-100 Measure the output signal's 100IRE amplitude. **** CNTHB [Vp-p] L-0 O-1 Measure the amplitudes at point B (0.7V portion of the input signal 0-1). Assign the measured values to (RGBHB [Vp-p]). BRGB = RGBHB/CNTHB Pin 14: 3.5V Pin 13A: O-1 applied Pin 38: 5V OSD Contrast: 3 Pin 14: 3.5V Pin 12A: O-1 applied Pin 38: 5V OSD Contrast: 3 Test method Measure the output signal's 100IRE amplitude. Bus conditions
19
20
[RGB Output Block] (Cutoff, Drive Block) Test Conditions
Brightness control Normal BRT64 L-0 Measure the 0IRE DC levels of the respective output signals of R output (18), G output (19), and B output (20). Assign the measured values to BRTPCR, BRTPCG, and BRTPCB V, respecBrightness: 01111111
18
19
tively. BRT63 = (BRTPCR+BRTPCG+BRTPCB)/3
20
Max BRT127 Measure the 0IRE DC level of the output signal of Brightness: 1111111
20
B output (20) and assign the measured value to BRTPHB. BRT127 = 50x(BRTPHB-BRTPCB)/CNTCB
Min
BRT0
Measure the 0IRE DC level of the output signal of B output (20) and assign the measured value to BRTPLB. BRT0 = 50x(BRTPLB-BRTPCB)/CNTCB
Brightness: 0000000
Bias (cutoff) control
Min
Vbias0
L-50
Measure the 0IRE DC levels (Vbias0 [V]) of the respective output signals of R output (18), G output (19), and B output (20). *: R, G, and B
18
Max
Vbias255
19
Measure the 0IRE DC levels (Vbias255 [V]) of the respective output signals of R output (18), G output (19), and B output (20). *: R, G, and B Measure the 0IRE DC levels (BAS80 [V]) of the
Red/Green/Blue Bias: 11111111
20
Bias (cutoff) control resolution Vbiassns
Red/Green/Blue Bias:01010000
18
respective output signals of R output (18), G output (19), and B output (20). *: R, G, and B
19
Measure the 0IRE DC levels (BAS48 [V]) of the respective output signals of R output (18), G output (19), and B output (20). Vbiassns* = (BAS80*-BAS48*)/32
Red/Green/Blue Bias: 00110000
20
Continued on next page.
No.7962-23/50
LA76835NM
Continued from preceding page. Parameter Sub-bias control resolution Symbol Vsbiassns Test point Input signal L-50 Test method Measure the 0IRE DC levels (SBTPM [V]) of the respective output signals of R output (18), G output (19), and B output (20). *: R, G, B Bus conditions Sub-Brightness: 0101010
18
19
Vsbiassns* = (BRTPC*-SBTPM*)
20
Drive adjustment maximum output 501RE.
Rbout64 Gout10
L-100
Measure the 50IRE amplitudes (DRVM [Vp-p]) of the respective output signals of R output (18) and B output (20). *: R and B
18
19
Measure the 50IRE amplitude of the output signal of G output (19) and assign the measured value to (DRVM [Vp-p]). *: G Measure the 50IRE amplitudes (DRVL [Vp-p]) of Red/Blue Drive: 0000000 Green Drive: 0000
20
Output attenuation DrGainRB DrGainG
18
the respective output signals of R output (18), and B output (20). *: R and B
19
Measure the 50IRE amplitude of the output signal of G output (19) and assign the measured value to (DRVL [Vp-p]). *: G DrGainRB * = 20Log (DRVH*/DRVL*) DrGainG * = 20Log (DRVH*/DRVL*)
20
Drive adjustment maximum output 501RE.
Rbout127 Gout15
L-100
Measure the 50IRE amplitudes (DRVH [Vp-p]) of the respective output signals of R output (18) and B output (20). *: R and B
Red/Blue Drive: 1111111 Green Drive: 1111
18
19
Measure the 500IRE amplitude of the output signal of G output (19) and assign the measured value to (DRVH [Vp-p]). *: G Measure the 0IRE DC level (*_DC Vdc) of the
20
RGB output difference voltage RGB_DC
18
output signal of R (18), G (19), and B (20) outputs.
19
20
No.7962-24/50
LA76835NM
VIDEO SW Block Test Conditions
Parameter Video signal input 1DC voltage Video signal input 1AC voltage Video signal input 2DC voltage Video signal input 2AC voltage SVO terminal DC voltage SVO terminal AC voltage SVOAC SVODC VIN2AC VIN2DC VIN1AC Symbol VIN1DC Test point Input signal L-100 the pedestal. Pin 52 recommended input level. Test method Input signals to pin 52 and measure the voltage of Bus conditions VIDEO SW: 1
52
52
L-100 Input signals to pin 54 and measure the voltage of the pedestal. Pin 54 recommended input level. VIDEO SW: 0
54
54
L-100 Input signals to pin 52 and measure the voltage of the pedestal at pin 50. L-100 Input signals to pin 52 and measure the voltage of the pedestal at pin 50. VIDE0 SW: 1 VIDEO SW: 1
50
50
No.7962-25/50
LA76835NM
Video Block Test Conditions
Parameter Video overall gain (Contrast max) Contrast adjustment characteristics Min/ max Video frequency Characteristics 1 BW1 L-CW CONT0 Normal/ max CONT90 Symbol CONT127 Test point Input signal L-50 **** CNTHB [Vp-p] CONT127 = 20Log (CNTHB/0.357) L-50 Measure the output signal's 50IRE amplitude. **** CNTCB [Vp-p] CONT63 = 20Log (CNTCB/0.357) Measure the output signal's 50IRE amplitude. **** CNTLB [Vp-p] CONT0 = 20Log (CNTLB/0.357) With the input signal's continuous wave = 100kHz, measure the output signal's continuous wave amplitude. **** PEAKDC [Vp-p] With the input signal's continuous wave = 7MHz, measure the output signal's continuous wave amplitude. ****CW1.4 [Vp-p] BW1 = 20Log (CW1.4/PEAKDC) 2 BW2 With the input signal's continuous wave = 1.8MHz, measure the output signal's continuous wave amplitude. ****CW1.8 [Vp-p] BW2 = 20Log (CW1.8/PEAKDC) 3 BW3 With the input signal's continuous wave = 3.4MHz, measure the output signal's continuous wave amplitude. ****CW3.4 [Vp-p] BW3 = 20Log (CW3.4/PEAKDC) Chroma trap amount Ctrap L-CW With the input signal's continuous wave = 3.58MHz, measure the output signal's continuous wave amplitude. ****F00 [Vp-p] CtraP = 20Log (F00/PEAKDC) DC transmission amount L-100 Measure the output signal's 0IRE DC level (DRVPH [V]) and 100IRE amplitude (DRVH [Vp-p]) ClampG = 100x(1+(DRVPH - BRTPL)/DRVH) (PIN55: 3V) 1 ClampG1 L-0 Measure the output signal's 0IRE DC level. ****BRTPL [V] Brightness: 0000000 CONTRAST: 1111111 Brightness: 0000000 CONTRAST: 1111111 DCREST = 00 BLK.ST.DEF = 1 WPL = 0 2 ClampG2 With DCREST = 01, carry out measurement similarly to the case of the DC transmission amount 1. (PIN55: 3V) 3 ClampG3 With DCREST = 10, carry out measurement similarly to the case of the DC transmission amount 1. (PIN55: 3V) 4 ClampG4 With DCREST = 11, carry out measurement similarly to the case of the DC transmission amount 1. (PIN55: 3V) Continued on next page. DC.rest = 11 DC.rest = 10 DC.rest. = 01 FILTER SYS: 000 Sharpness: 000000 FILTER SYS: 100 SHARPNESS: 000000 FILTER SYS: 010 SHARPNESS: 000000 FILTER SYS: 000 SHARPNESS: 000000 CONTRAST: 0000000 Test method Measure the output signal's 50IRE amplitude. Bus conditions CONTRAST: 1111111
20
20
20
20
20
No.7962-26/50
LA76835NM
Continued from preceding page. Parameter Y-DL TIME TRAP1 Symbol TdY1 Test point Input signal L-50 Test method Obtain the time difference (the delay time) from when the rise of the input signal's 501RE amplitude to the output signal's 501RE amplitude. TRAP2 TdY2 Obtain the time difference (the delay time) from when the rise of the input signal's 501RE amplitude to the output signal's 501RE amplitude. TRAP OFF Pre-Shoot control 1 PreShoot1 L-100 TdY3 Obtain the time difference (the delay time) from when the rise of the input signal's 501RE amplitude to the output signal's 501RE amplitude. Measure the pre-shoot width (Tpre) and over-shoot width (Tover) at rise of 100IRE amplitude of the output signal PreShoot = Tpre/Tover. 2 PreShoot2 With Pre-shoot adj. = 11, carry out the same measurement as for the case of Pre-Shoot 1. Pre-shoot adj.= 11 Filter Sys: 000 Sharpness= 111111 Black stretch gain MAX BKSTmax L-BK Measure the 0IRE DC level at point A of the output signal in the Black Stretch Defeat (Black Stretch OFF) mode. **** BKST1 [V] Measure the 0IRE DC level at point A of the output signal in the Black Stretch ON mode. (PIN55: 3V) ****BKST2 [V] BKSTmax = 50x(BKST1-BKST2)/CNTHB MID BKSTmid With Blk.str.gain = 01, carry out the same measurement as for the case of black stretch gain (MAX). (PIN55: 3V) Blk Str def = 0 DC.rest = 00 MIN BKSTmin With Blk.str.gain = 00, carry out the same measurement as for the case of black stretch gain (max). (PIN55: 3V) Blk Str def = 0 DC.rest = 00 Black stretch start 60IRE Black BSTTHmax L-60 Measure the DC level at 60IRE of the output signal in the Black Stretch ON mode. (PIN55: 3V) ****BKST3 [V] Measure the 60IRE DC level of the output signal in the Black Stretch Defeat (Black Stretch OFF) mode. ****BKST4 [V] BKSTTHmax = 50x(BKST4-BKST3)/CNTHB 250IRE Black BKSTTHmid L-50 Measure the 50IRE DC level of the output signal in the Black Stretch Defeat ON mode. (PIN55: 3V) ****BKST5 [V] Measure the 50IRE DC level of the output signal in the Black Stretch Defeat (Black Stretch OFF) mode. ****BKST6 [V] BKSTTHmid = 50x(BKST6-BKST5)/CNTHB 340IRE Black BKSTTHmin L-40 Measure the 40IRE DC level of the output signal in the Black Stretch Defeat ON mode. (PIN55: 3V) ****BKST7 [V] Measure the 40IRE DC level of the output signal in the Black Stretch Defeat (Black Stretch OFF) mode. ****BKST8 [V] BKSTTHmin = 50x(BKST8-BKST7)/CNTHB Continued on next page. Blk Str .def = 0 DC.rest = 00 Blk.str.gain = 01 Blk.str.start = 00 Blk Str .def = 0 DC.rest = 00 Blk.str.gain = 01 Blk.str.start = 01 Blk Str .def = 0 DC.rest = 00 Blk.str.gain = 01 Blk.str.start = 10 Blk.str.gain = 00 Blk.str.start = 01 Blk.str.gain = 01 Blk.str.start = 01 Blk Str def = 0 DC.rest = 00 Blk.str.gain = 10 Blk.str.start = 01 Pre-shoot adj.= 00 Filter Sys: 000 Sharpness= 111111 Filter Sys: 100 Filter Sys: 010 Bus conditions Filter Sys: 000
20
20
20
20
No.7962-27/50
LA76835NM
Continued from preceding page. Parameter Sharpness variable range Max Sharp63T1 Trap1 Symbol Sharp32T1 Test point Input signal L-CW Test method With the input signal's continuous wave = 2.2MHz, measure the output signal's continuous wave amplitude. **** F01S32 [Vp-p] Sharp32T1 = 20Log (F01S32/PEAKDC) With the input signal's continuous wave = 2.2MHz, measure the output signal's continuous wave amplitude. **** F01S63 [Vp-p] Sharp63T1 = 20Log (F01S63/PEAKDC) Min Sharp0T1 With the input signal's continuous wave =2.2MHz, measure the output signal's continuous wave amplitude. **** F01S0 [Vp-p] Sharp0T1 = 20Log (F01S0/PEAKDC) Sharpness variable range Trap2 Sharp32T2 L-CW With the input signal's continuous wave=3MHz, measure the output signal's continuous wave amplitude. **** F02S32 [Vp-p] Sharp32T3 = 20Log (F02S32/PEAKDC) Max Sharp63T2 With the input signal's continuous wave=3MHz, measure the output signal's continuous wave amplitude. **** F02S63 [Vp-p] Sharp63T2 = 20Log (F02S63/PEAKDC) Min Sharp0T2 With the input signal's continuous wave = 3MHz, measure the output signal's continuous wave amplitude. **** F02S0 [Vp-p] Sharp0T2 = 20Log (F02S0/PEAKDC) Sharpness variable range Max Sharp63T3 Trap3 Sharp32T3 L-CW With the input signal's continuous wave=3MHz, measure the output signal's continuous wave amplitude. **** F03S32 [Vp-p] Sharp32T3 = 20Log (F03S32/PEAKDC) With the input signal's continuous wave = 3MHz, measure the output signal's continuous wave amplitude. **** F03S63 [Vp-p] Sharp63T3 = 20Log (F03S63/PEAKDC) Min Sharp0T3 With the input signal's continuous wave = 3MHz, measure the output signal's continuous wave amplitude. **** F03S0 [Vp-p] Sharp0T3 = 20Log (F03S0/PEAKDC) White peak limiter operating point 2 WPL2 1 WPL1 L-100 Prepare the signal that enables change of APL and set APL = 10%. Increase the input signal and measure the input signal level at which the output is clipped. (PIN55: 2.5V) Prepare the signal that enables change of APL and set APL = 100%. Increase the input signal and measure the input signal level at which the output is clipped. (PIN55: 2.5V) 3 WPL3 Prepare the signal that enables change of APL and set APL = 100%. Increase the input signal and measure the input signal level at which the output is clipped. (PIN55: 2.5V) 4 WPL4 Prepare the signal that enables change of APL and set APL = 100%. Increase the input signal and measure the input signal level at which the output is clipped. (PIN55: 2.5V) Continued on next page. WPL = 3 DC.rest = 0 WPL = 2 DC.rest = 0 WPL = 1 DC.rest = 0 WPL = 0 DC.rest = 0 Filter Sys: 100 Sharpness: 000000 Filter Sys: 100 Sharpness: 111111 Filter Sys:100 Sharpness: 100000 Filter Sys: 010 Sharpness: 000000 Filter Sys:010 Sharpness: 111111 Filter Sys: 010 Sharpness: 100000 FILTER SYS: 000 Sharpness: 000000 FILTER SYS: 000 Sharpness: 111111 Bus conditions FILTER SYS: 000 Sharpness: 100000
20
20
20
20
No.7962-28/50
LA76835NM
Continued from preceding page. Parameter Y gamma effective point 1 Symbol YG1 Test point Input signal L-100 Test method Measure the output amplitude (0 to 100 IR) when Y GAMMA is 0. After that, set Y GAMMA to 1 and measure the output amplitude (0 to 100 IR). This is GAM1. Calculate YG1 with the formula YG1 = GAM1/GAM0 * 100. 2 YG2 Measure the output amplitude (0 to 100 IR) when Y GAMMA is 0. After that, set Y GAMMA to 2 and measure the output amplitude (0 to 100 IR). This is GAM2. Calculate YG1 with the formula YG2 = GAM2/GAM0 * 100. 3 YG3 Measure the output amplitude (0 to 100 IR) when Y GAMMA is 0. After that, set Y GAMMA to 3 and measure the output amplitude (0 to 100 IR). This is GAM3. Calculate YG3 with the formula YG3 = GAM3/GAM0 * 100. GRAY MODE LEVEL GRAY Measure the DC level (deviation from pedestal) of GRAY.MODE = 1 CROSS.B/W = 2 Bus conditions
20
20
Horizontal/vertical blanking output level RGBBLK L-100
pin20, and transfer IRE. Measure the DC level for the output signal's blanking period. **** RGBBLK [V]
20
No.7962-29/50
LA76835NM
Deflection Block Input Signals and Test Conditions
Unless otherwise specified, the following conditions apply when each measurement is made. 1. VIF, SIF blocks: No signal 2. C input: No. signal 3. Sync input: A horizontal/vertical composite sync signal NTSC: 40IRE, horizontal sync signal (15.734264kHz) and vertical sync signal (59.94kHz) Note: No burst signal, chroma signal shall exist below the pedestal level. Signal unsuitable for Y input
Signal suitable for Y input
Chroma signal Burst signal
4. Bus control conditions: Initial conditions unless otherwise specified. 5. The delay time from the rise of the horizontal output (pin 31 output) to the fall of the FBP IN (pin 33 input) is 9s. 6. Pin 25 (vertical size correction circuit input terminal) is connected to VCC (5.0V).
No.7962-30/50
LA76835NM
Deflection Block Test Conditions
Parameter Horizontal free-running frequency Horizontal pull-in range fH PULL Symbol fH Test point Input signal Y IN: No signal Y IN: HoriTest method Connect a frequency counter to the output of pin 31 (H out) and measure the horizontal free-running frequency. Using an oscilloscope, monitor the horizontal sync signal which is input to the Y IN (pin 52) and the pin 31 output (H out) and vary the horizontal signal frequency to measure the pull-in range. Measure the voltage for the pin 31 horizontal output pulse's low-level period. Bus conditions
31
52
zontal/ vertical sync signal
Horizontal output pulse length
Hduty
Y IN: Hori-
31
zontal/ vertical sync signal
Horizontal output pulse saturation voltage
V Hsat
Y IN: Hori-
Measure the voltage for the pin 31 horizontal output pulse's low-level period.
31
zontal/ vertical sync signal
Horizontal AFC control current
M
HAFCM
Y IN: Hori-
Measure the current incoming into pin 30 horizontal AFC filter.
AFCGAIN: 0
30
zontal/ vertical sync signal
H L
HAFCH HAFCL Y IN: No signal
Measure the current incoming into pin 30 horizontal AFC filter. Measure the current incoming into pin 30 horizontal AFC filter. Measure the delay time T from the rise of the pin 31 horizontal output pulse to the fall of the Y IN horizontal sync signal. HPHCEN (ns) = (T-9.0us)x1000 T
AFCGAIN: 1 AFCGAIN: 0
Horizontal output pulse
HPHCEN
Y IN: Hori-
31
zontal/ vertical sync signal
52
20IRE
2.5V Horizontal output Horizontal position adjustment range HPHrange Y IN: HoriWith H PHASE set at 0, 16, and 31, measure the delay time from the rise of the pin 31 horizontal output pulse to the fall of the Y IN horizontal sync signal and measure the adjustment range. (Determine the difference from HPHASE16.) Measuring H PHASE: 00000 H PHASE: 11111
31
zontal/ vertical sync signal
52
20IRE
Horizontal output Continued on next page.
No.7962-31/50
LA76835NM
Continued from preceding page. Input signal Horizontal position adjustment maximum variable width Symbol HPHstep Test point Input signal Y IN: Horizontal/ vertical sync signal Test method With H PHASE: 0 to 31 varied, measure the delay time from the rise of the pin 31 horizontal output pulse to the fall of the Y IN horizontal sync signal and calculate the variation at each step. Retrieve data for maximum variation. to H PHASE: 11111 Bus conditions H PHASE: 00000
31
52
Measuring
20IRE
2.5V Horizontal output
Horizontal 2nd AFC pull-in range (min) HPMIN Y IN: Measure the delay time from the rise of the pin 31 horizontal output pulse to the fall of the Y IN horizontal sync signal. Note that the delay time from the rise of horizontal output (pin 31 output) to the rise of F.B.P IN (pin 33 input) is assumed to be 0s.
31
Horizontal/ vertical sync signal
52
T
20IRE
2.5V Horizontal output
Horizontal 2nd AFC pull-in range (max) HPMAX Y IN: Measure the delay time from the rise of the pin 31 horizontal output pulse to the fall of the Y IN horizontal sync signal. Note that the delay time from the rise of horizontal output (pin 31 output) to the rise of F.B.P IN (pin 33 input) is assumed to be 20s. Vertical free-running frequency VFR60 YIN: Measure the cycle T of pin 27 vertical output. 1/THz
31
Horizontal/ vertical sync signal
52
27
No signal
Vertical output
T
2.5V
Vertical pull-in range
fvPULL
Y IN:
Using an oscilloscope, monitor the vertical ysnc signal which in input to the Y IN (pin 52) and then pin 27 output (V out) and vary the vertical signal frequency to measure the pull-in range. (Horizontal sync frequency: 15734 Hz) Decrease the current from a source connected to pin 29 and measure the pin 29 voltage at which HOUT stops.
27
Horizontal/ vertical sync signal
Horizontal output stop voltage
Hstop
Y IN:
29
Horizontal/ vertical sync signal
31
Continued on next page.
No.7962-32/50
LA76835NM
Continued from preceding page. Input signal Horizontal blanking left variable range @0 Symbol BLKL0 Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Measure the time T from the left end of Hsync at pin 52 Y IN to the left end of blanking at pin 20 Blue OUT with BLKL = 0000. Bus conditions BLKL: 0000
20
52
Y IN
Hsync T
Blue OUT
@15
BLKL15
Measure the time T from the left end of Hsync at pin 52 Y IN to the left end of blanking at pin 20 Blue OUT with BLKL = 1111.
BLKL: 1111
Y IN
Hsync
T
Blue OUT
Horizontal blanking right variable range
@0
BLKR0
Y IN:
Measure the time T from the left end of Hsync at pin 52 Y IN to the left end of blanking at pin 20 Blue OUT with BLKR = 0000.
BLKR: 0000
20
Horizontal/ vertical sync signal
52
Y IN
T
Hsync
Blue OUT
@15
BLKR15
Measure the time T from the left end of Hsync at pin 52 Y IN to the left end of blanking at pin 20 Blue OUT with BLKR = 1111.
BLKR: 1111
Y IN
T
Hsync
Blue OUT
Continued on next page.
No.7962-33/50
LA76835NM
Continued from preceding page. Input signal Sand castle pulse crest value H Symbol SANDH Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Measure the supply voltage at point H of the pin 33 FBP IN wave form for Hsync period. Bus conditions
33
H
M1
SANDM1
Measure the supply voltage at point M1 of the pin 33 FBP IN wave form for Hsync period.
M1
L
SANDL
Measure the supply voltage at point L of the pin 33 FBP IN wave form for Hsync period.
L
Burst gate pulse length
BGPWD
Y IN:
Measure the BGP width T of the pin 33 FBP IN wave form for Hsync period.
33
Horizontal/ vertical sync signal
T
Burst gate pulse I phase
BGPPH
Y IN:
Measure the time from the left end of Hsync at pin 52 Y IN to the left end of the pin 33 FBP IN wave form for Hsync period.
33
Horizontal/ vertical sync signal
Hsync Y IN
52
T
FBP IN
X-ray protection circuit operating voltage
VXRAY
Y IN:
Connect a DC power supply to pin 38 and gradually increase the voltage from 0V until the pin 31 horizontal output pulse ceases. Measure the DC voltage at pin 38 at that moment.
31
Horizontal/ vertical sync signal
38
No.7962-34/50
LA76835NM
Vertical Screen Size Correction
Input signal Vertical ramp output amplitude @64 Symbol Vsnt64 Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Monitor the pin 27 vertical ramp output and measure the voltage at line 22 and line 262. Vsnt64 = Vline262-Vline22 Bus conditions
27
Vertical ramp output Line 262 Line 22
@0
Vsnt0
Monitor the pin 27 vertical ramp output and measure the voltage at line 22 and line 262. Vsnt0 = Vline262-Vline22
VSIZE: 0000000
Vertical ramp output Line 262 Line 22
@127 Vsnt127 Monitor the pin 27 vertical ramp output and measure the voltage at line 22 and line 262. Vsnt127 = Vline262-Vline22 VSIZE: 1111111
Vertical ramp output Line 262 Line 22
Vertical size 0.75 VSIZE75 Y IN: Monitor the pin 27 vertical ramp output and measure the voltage at line 22, line 262. VSIZE75 = (Vline262-Vline22)/Vsent64 VSIZE0.75: 1
27
Horizontal/ vertical sync signal
Vertical ramp output Line 262
Line 142 Line 22
No.7962-35/50
LA76835NM
High-voltage Dependent Vertical Size Correction
Input signal Vertical size correction @0 Symbol Vsizecomp Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Monitor the pin 27 vertical ramp output and measure the voltage at the line 22 and line 262 with VCOMP = 000. Va = Vline262-Vline22 Apply 4.0V to pin 25 and measure the voltage at the line 22 and line 262 again. Vb = Vline262-Vline22 Vsizecomp = Vb/Va Bus conditions VCOMP: 000
27
Vertical ramp output Line 262 Line 22
Vertical Screen Position Adjustment
Input signal Vertical ramp DC voltage @32 Symbol Vdcnt32 Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Monitor the pin 27 vertical ramp output and measure the voltage at line 142. Bus conditions
27
Vertical ramp output
Line 142
@0 Vdcnt0 Monitor the pin 27 vertical ramp output and measure the voltage at line 142. VDC: 000000
Vertical ramp output
Line 142
@63 Vdcnt63 Monitor the pin 27 vertical ramp output and measure the voltage at line 142. VDC: 111111
Vertical ramp output
Line 142
Continued on next page.
No.7962-36/50
LA76835NM
Continued from preceding page. Input signal Vertical linearity TOP @16 Symbol Vlint16 Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Monitor the pin 27 vertical ramp output and measure the voltage at line 22, line 142 and 262. Assign the respective measured values to Va, Vb and Vc. Vlint16 = (Vb-Va)/(Vc-Vb) Bus conditions
27
Vertical ramp output Line 262
Line 142 Line 22
@0 Vlint0 Monitor the pin 27 vertical ramp output and measure the voltage at line 22, line 142 and 262 with VLIN_TOP = 00000. Assign the respective measured values to Va, Vb and Vc. Vlint0 = (Vb-Va)/(Vc-Vb) VLIN_TOP: 00000
Vertical ramp output Line 262
Line 142 Line 22
@31 Vlint31 Monitor the pin 27 vertical ramp output and measure the voltage at line 22, line 142 and 262 with VLIN_TOP = 11111. Assign the respective measured values to Va, Vb and Vc. Vlint31 = (Vb-Va)/(Vc-Vb) VLIN_TOP: 11111
Vertical ramp output
Line 262
Line 142 Line 22
Continued on next page.
No.7962-37/50
LA76835NM
Continued from preceding page. Input signal Vertical linearity BOTTOM @16 Symbol Vlinb16 Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Monitor the pin 27 vertical ramp output and measure the voltage at line 22, line 142, and 262. Assign the respective measured values to Va, Vb, and Vc. Vlinb16 = (Vb-Va)/(Vc-Vb) Bus conditions
27
Vertical ramp output
Line 262
Line 142 Line 22
@0 Vlinb0 Monitor the pin 27 vertical ramp output and measure the voltage at line 22, line 142 and 262 with VLIN_BOTTOM = 00000. Assign the respective measured values to Va, Vb and Vc. Vlinb0 = (Vb-Va)/(Vc-Vb) VLIN_BOTTOM: 00000
Vertical ramp output
Line 262
Line 142 Line 22
@31 Vlinb31 Monitor the pin 27 vertical ramp output and measure the voltage at line 22, line 142 and 262 with VLIN_BOTTOM = 11111. Assign the respective measured values to Va, Vb and Vc. Vlinb31 = (Vb-Va)/(Vc-Vb) VLIN_BOTTOM: 11111
Vertical ramp output
Line 262
Line 142 Line 22
Continued on next page.
No.7962-38/50
LA76835NM
Continued from preceding page. Input signal Vertical S-shaped correction @16 Symbol VScor16 Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Monitor the pin 27 vertical ramp output and measure the voltage at line 32, line 52, line 132, line 152, line 232 and 252. Assign the respective measured values to Va, Vb, Vc, Vd, Ve and Vf. VScor16 = 0.5((Vb-Va)+(Vf-Ve))/ (Vd-Vc) Bus conditions VS:10000
27
Vertical ramp output
Line 252 Line 232
Line 152 Line 132 Line 52 Line 32
@0 VScor0 Monitor the pin 27 vertical ramp output and measure the voltage at the line 32, line 52, line 132, line 152, line 232 and line 252 with VSC = 000. Assign the respective measured values to Va, Vb, Vc, Vd, Ve and Vf. VScor0 = 0.5((Vb-Va)+(Vf-Ve))/ (Vd-Vc)
Vertical ramp output
Line 252 Line 232
Line 152 Line 132 Line 52 Line 32
@31
VScor31
Monitor the pin 27 vertical ramp output and measure the voltage at the line 32, line 52, line 132, line 152, line 232 and line 252 with VSC = 000. Assign the respective measured values to Va, Vb, Vc, Vd, Ve and Vf. VScor31 = 0.5((Vb-Va)+(Vf-Ve))/ (Vd-Vc)
VSC: 11111
Vertical ramp output
Line 252 Line 232
Line 152 Line 132 Line 52 Line 32
Continued on next page.
No.7962-39/50
LA76835NM
Continued from preceding page. Input signal Raster Cut TOP Symbol RASCUTT Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Monitor the pin 27 vertical ramp output and measure the timing with which the changes in the lower part of the ramp output disappear. Bus conditions RASTER_CUT: 1
27
Vertical ramp output
RASCUTT
BOTTOM RASCUTB Monitor the pin 27 vertical ramp output and measure the timing with which the changes in the upper part of the ramp output start. RASTER_CUT: 1
Vertical ramp output RASCUTB
H Phase BOW
@8
HBOW8
Y IN:
31
Horizontal/ vertical sync signal
52
Measure the delay times, at lines 22 and 142, from the rise of the pin 27 horizontal output pulse to the fall of the YIN horizontal sync signal. Let T1 and T2 be these measured values, respectively, and use them to calculate the following formula. HBOW8 = T1-T2
T
20IRE
2.5V Horizontal output
@0 HBOW0 Measure the delay times, at lines 22 and 142, from the rise of the pin 27 horizontal output pulse to the fall of the YIN horizontal sync signal. Let T1 and T2 be these measured values, respectively, and use them to calculate the following formula. HBOW0 = T1-T2 H_Phase_BOW: 0000
T
20IRE
2.5V Horizontal output
@15 HBOW15 Measure the delay times, at lines 22 and 142, from the rise of the pin 27 horizontal output pulse to the fall of the YIN horizontal sync signal. Let T1 and T2 be these measured values, respectively, and use them to calculate the following formula. HBOW15 = T1-T2 H_Phase_BOW: 1111
T
20IRE
2.5V Horizontal output
Continued on next page.
No.7962-40/50
LA76835NM
Continued from preceding page. Input signal H Phase ANGLE @8 Symbol HANG8 Test point Input signal Y IN: Horizontal/ vertical sync signal Test method Measure the delay times, at lines 22 and 142, from the rise of the pin 27 horizontal output pulse to the fall of the YIN horizontal sync signal. Let T1 and T2 be these measured values, respectively, and use them to calculate the following formula. HANG8 = T1-T2 Bus conditions
31
52
T
20IRE
2.5V Horizontal output
@0 HANG0 Measure the delay times, at lines 22 and 142, from the rise of the pin 27 horizontal output pulse to the fall of the YIN horizontal sync signal. Let T1 and T2 be these measured values, respectively, and use them to calculate the following formula. HANG0 = T1-T2 H_Phase_ANGLE: 0000
T
20IRE
2.5V Horizontal output
@15 HANG15 Measure the delay times, at lines 22 and 142, from the rise of the pin 27 horizontal output pulse to the fall of the YIN horizontal sync signal. Let T1 and T2 be these measured values, respectively, and use them to calculate the following formula. HANG15 = T1-T2 H_Phase_ANGLE: 1111
T
20IRE
2.5V Horizontal output
No.7962-41/50
LA76835NM
HS/VS/VBLK
Input signal HS pulse output phase Symbol PWHS Test point Input signal Y IN: Horizontal/ vertical sync signal VS pulse output phase PWVS Y IN: Monitor the VS output of pin 16 and measure the pulse width. pulse width. Test method Monitor the HS output of pin 15 and measure the Bus conditions
15
16
Horizontal/ vertical sync signal
Vertical blanking period
@0 @1 @2 @3
VBLK0
Y IN:
Monitor the B output of pin 20 and measure the vertical blanking period. Monitor the B output of pin 20 and measure the vertical blanking period. Monitor the B output of pin 20 and measure the vertical blanking period. Monitor the B output of pin 20 and measure the vertical blanking period.
V_BLK_Select: 00 V_BLK_Select: 01 V_BLK_Select: 10 V_BLK_Select: 11
20
VBLK1 VBLK2 VBLK3
Horizontal/ vertical sync signal
Horizontal Size Adjustment
Input signal East/Wst DC voltage @32 Symbol EWdc32 Test point Input signal Y IN: Horizontal, vertical sync signal Test method Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 142. Bus conditions
26
East/West output
Line 142
@0
EWdc0
Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 142.
EWDC: 000000
East/West output
Line 142
@63
EWdc63
Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 142.
EWDC: 111111
East/West output
Line 142
High-voltage Dependent Horizontal Size Compensation
Input signal Horizontal size compensation @0 Symbol Hsizecomp Test point Input signal Y IN: Horizontal, vertical sync signal Test method Monitor the West/East output of pin 26 and measure the voltage (Va) at line 142. Apply 4.0 V to pin 25 and measure again the voltage (Vb) at line 142. Hsizecomp = Va-Vb Bus conditions HCOMP: 000
26
No.7962-42/50
LA76835NM
Pincushion Distortion Compensation
Input signal East/West parabolic amplitude @32 Symbol EWamp32 Test point Input signal Y IN: Horizontal, vertical sync signal Test method Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 22 (Va) and line 142 (Vb). EWamp32 = Vb-Va Bus conditions
26
East/West output
Line 142
Line 22
@0 EWamp0 Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 22 (Va) and line 142 (Vb). EWamp0 = Vb-Va EWAMP000000
East/West output
Line 142
Line 22
@63
EWamp63
Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 22 (Va) and line 142 (Vb). EWamp63 = Vb-Va
EWAMP111111
East/West output
Line 142
Line 22
No.7962-43/50
LA76835NM
Trapezoidal Distortion Compensation
Input signal East/West parabolic tilt @32 Symbol EWtilt32 Test point Input signal Y IN: Horizontal, vertical sync signal Test method Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 22 (Va) and line 262 (Vb). EWtilt32 = Va-Vb Bus conditions
26
East/West output
Line 262
Line 22
@0
EWtilt0
Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 22 (Va) and line 262 (Vb). EWtilt0 = Va-Vb
EWTILT:000000
East/West output
Line 262
Line 22
@63
EWtilt63
Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 22 (Va) and line 262 (Vb). EWtilt63 = Va-Vb
EWTILT:111111
East/West output
Line 262
Line 22
Corner Distortion Compensation
Input signal East/West parabolic corner TOP Symbol EWcortop Test point Input signal Y IN: Horizontal, vertical sync signal Test method Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 22 under conditions of CORTOP: 1111 (Va) and CORTOP: 0000 (Vb). EWcortop = Va-Vb Bus conditions CORTOP: 1111-0000
26
East/West output
Line 22
BOTTOM EWcorbot Monitor the East/West output (parabolic wave output) of pin 26 and measure the voltage at line 262 under conditions of CORBOT: 1111 (Va) and CORBOT: 0000 (Vb). EWcorbot = Va-Vb CORBOTTOM: 1111-0000
East/West output
Line 262
Continued on next page.
No.7962-44/50
LA76835NM
Control Register Bit Allocation Map
Sub address 00000000 MSB DA0 T_Disable 1 00001 Vtrans 0 00010 Sync.Kill 0 00011 VSEPUP 0 00100 V.TEST 0 00101 V.COMP 1 00110 * (0) 00111 R.BIAS 0 01000 G.BIAS 0 01001 B.BIAS 0 01010 * (0) 01011 Drive.Test 0 01100 * (0) 01101 Blank.Def 0 01110 * (0) 01111 * (0) 0 R.DRIVE 1 Half tone 0 B.DRIVE 1 Sub.Bright 1 Bright 1 Contrast 1 0 1 1 0 1 0 Continued on next page. * Operated on HVCC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 Half tone Def 1 0 G.DRIVE 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 * (0) 1 * (0) V.SC 0 1 0 1 1 0 DA1 AFC gain&gate 0 Audio.Mute 0 V.SIZE 1 V.KILL 0 0 V.POSI 1
COUNT.DWN.MOD
Data bits DA2 H.FREQ 1 Video.Mute 0 1 H.PAHSE 1 0 0 0 1 1 1 DA3 DA4 DA5 DA6
LSB DA7
1
0
0
0
0
0
0
0 V.LIN TOP 1 V.LIN BOTTOM 1
0
0
0
0
0
0
0
0
0
0
0
0
0
No.7962-45/50
LA76835NM
Continued from preceding page. Sub address MSB DA0 00010000 OSD Cnt.Test 0 10001 DA1 * (0) DA2 * (0) Sharpness 0 0 0 0 0 0 DA3 ODS Contrast 1 0 0 0 0 Data bits DA4 DA5 DA6 LSB DA7
Coring Gain (W/Defeat) 0 0 Tint 1 Color 1 * (0) Cross B/W 0 FBPBLK.SW 1
10010
Tint.Test 0
0
0
0
0
0
0
10011
Color.Test 0
0 * (0)
0 * (0) CbCr_IN
0 * (0) G-Y Angle (0) C.BPF Test 1
0 Filter.Sys 0 Color Killer ope, 0
0
0
10100
Video SW 0
0
0
10101
Gray Mode 0
0 (Fsc Csync) 0 DC.Rest
0 Y.APF (0)
0
0
10110
* (0)
WPL Ope.Point (W/Defeat) 0 0 Blk.Str.Gain 0 * (0) 0 * (0) 0
10111
Y Gamma Start 0 0 C.Ext 0 Digital OSD 0 * (0)
Blk.Str.Shart (W/Defeat) 0 C_Kill ON 0 Mid.Stp.Def 0 * (0) 1 C_Kill OFF 0
* -
0 C.Bypass 1 Brt.Abl.Def 0 * (0)
1 * (0) Bright.Abl.Threshold 1
11000
Auto.Flesh 0
11001
Cont.Test 0
(0) R-Y/B-Y Angle 1 Cr DC Offset
0
0
11010
* (0)
0
0
0
11011
Cb DC Offset 1 0 Volume 0 VOL.FIL 0 * (0) 0 RF.AGC 1 * (0) 0 VIF.Sys.SW (0) * 0 0 (0) 0 0 0
1
0
0
0
11100
Audio SW 0
0
0
0
0
11101
* (0)
0 * (0) * (0)
0 * (0) * (0)
0 * (0) * (0)
0 IF.AGC 0 * (0) Continued on next page.
11110
FM.Mute 0
11111
VIDEO.LEVEL 1
No.7962-46/50
LA76835NM
Continued from preceding page. Sub address MSB DA0 00100000 * (0) 100001 * (0) 100010 * (0) 100011 DA1 * (0) * (0) Tint. Through 0 DA2 East/West DC 1 East/West Amp 1 East/West Tilt 1 0 0 East/West Corner TOP 0 East/West Test 0 0 0 0 0 0 H.Size.Comp 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 DA3 Data bits DA4 DA5 DA6 LSB DA7
East/West Corner Bottom 0 0 * (0)
100100
EW_Cor.SW 0
100101
H Phase Bow Correction 1 0 0 Over-Shoot Adjustment 0 0 0
H Phase Angle Correction 1 Chroma Trap Fil Test 1 H BLK R 0 0 0 0 0 * (0)
100110
Pre-Shoot Adjustment 0 0
100111
H BLK K 1 0 0 0 VM GAIN 0 Raster cut 0 * (0) 0 V BLK Select 0 * (0) R Offset 0 0 0 0 * (0) 1
1
0
0 YCMIX_SW
0 * (0) * (0)
101000
Sync Sep Sens. 1
0 * (0) Y TH 0 B Width 0
0 * (0)
0 * (0) Y GAIN
101001
VSIZE75 0
101010
* (0)
0
0 B Offset
0
101011
R Width 0
0
0
0
BUS Control Register Bit Allocation Map
MSB DA0 2nd Byte X.Ray * DA1 * (0) DA2 H.Lock * Data bits DA3 RF.AGC * DA4 KILLER * DA5 V.TRI * DA6 * (0) LSB DA7 ST/NONST *
No.7962-47/50
LA76835NM
Initial Conditions
Register T.Disable AFC.gain&gate H.FREQ Vtrans Audio.Mute Video.Mute H.PHASE Sync.kill V.SIZE V.SEPUP V.KILL V.POSI V.TEST CD.MODE V.LIN.TOP V.COMP V.LIN.BOTTOM V.SC R.BIAS G.BIAS B.BIAS R.DRIVE G.DRIVE B.DRIVE Drive.Test Half.tone Half.tone.Def Blank.Def Sub.Bias Bright Contrast OSD.Contrast OSD.Cnt.Test Coring.Gain Sharpness Tint Tint.Test Color Color.Test Video.SW Filter.SYS Gray.Mode Cross.B/W CbCr.IN G-Y.Angle.SW Color.kill.ope FBPBLK.SW (fsc.or.Csync) Y.APF C.BPF.TEST WPL.Ope.Point Y.Gamma.Start DC.Rest 1HEX 0HEX 3FHEX 0HEX 0HEX 0HEX 10HEX 0HEX 40HEX 0HEX 0HEX 20HEX 0HEX 0HEX 10HEX 7HEX 10HEX BHEX 0HEX 0HEX 0HEX 40HEX AHEX 40HEX 0HEX 1HEX 1HEX 0HEX 40HEX 40HEX 40HEX 10HEX 0HEX 0HEX 0HEX 40HEX 0HEX 40HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 1HEX 0HEX 0HEX 2HEX 0HEX 0HEX 0HEX Blk.Str.Start Blk.Str.Gain Auto.Flesh C.Ext C.Bypass C.Kill.ON C.Kill.OFF Cont.Test Digital.OSD Brt.Abl.Def Mid.Stp.def Bright.Abl.Threshold R-Y/B-y.Angle Cb.DC.Offset Cr.DC.Offset Audio.SW Volume S.TRAP.SW VOL.FIL RF.AGC FM.Mute VIF.Sys.SW IF.AGC VIDEO.LEVEL East/West.DC East/West.Amp East/West.Tilt Tint.Through East/West.Corner.Bottom East/West.Corner.TOP East/West.Corner.SW Hlock.Vdet East/West.Test H.Size.Comp H.Phase.Bow.Correction H.Phase.Angle.Correction Pre-Shoot.Adjustment Over-Shoot.Adjustment Chroma.Trap.Fil.Test H.BLK.L H.BLK.R Sync.Sep.Sence VM.Gain YCMIX.SW V.SIZE0.75 Raster.cut V.BLK.Select Y.TH Y.GAain R.Width R.Offset B.Width B.Offset Register 3HEX 0HEX 0HEX 0HEX 1HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 4HEX 8HEX 8HEX 8HEX 0HEX 0HEX 0HEX 0HEX 20HEX 0HEX 0HEX 0HEX 4HEX 20HEX 20HEX 20HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 7HEX 8HEX 8HEX 0HEX 0HEX 4HEX 8HEX 8HEX 4HEX 4HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX 0HEX
No.7962-48/50
LA76835NM
Pin Assignment
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 F.GND F.GND F.GND F.GND IF VCC FM Filter AFT Output Bus Data Bus Clock ABL Red Input Green Input Blue Input Fast Blanking Input HS VS RGB VCC Red Output Green Output Blue Output F.GND F.GND F.GND F.GND V Size Comp input E/W Output Vertical Output Ramp ALC Filter Horizontal/BUS VCC Horizontal AFC Filter Horizontal Output CPU VCC Flyback pulse Input H VCO I ref CPU Reset H.GND VM Output X-RAY Cb Input Cr Input Function Pin 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 IF GND PIF Input1 PIF Input2 RF AGC Output PIF AGC FM Output FM&VOL VCC AUDIO Output NC FM Noise Filter NC SIF Input SIF APC Filter SIF Output Ext. Audio Input APC Filter F.GND F.GND F.GND F.GND VCO Coil 1 VCO Coil 2 FLL Filter NC Video Output DC Rest & Black Level Detector Internal Video Input (S-C IN) Video/Vertical VCC External Video Input (Y IN) NC Selecterd Video Output Video/Chroma/Vertical GND VM Input Clamp Filter 3.58MHz Crystal Chroma APC Filter fsc (3.58MHz) Output F.GND F.GND F.GND Function
No.7962-49/50
LA76835NM
Specifications of any and all SANYO Semiconductor products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Semiconductor Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor products (including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Semiconductor Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO Semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of December, 2006. Specifications and information herein are subject to change without notice. PS No.7962-50/50

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