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| Datasheet File OCR Text: |
| HCD-V818 SERVICE MANUAL E Model HCD-V818 is the tuner, deck, Video CD and amplifier section in MHC-V818. Model Name Using Similar Mechanism CD SECTION CD Mechanism Type Base Unit Type Optical Pick-up Type TAPE DECK SECTION Model Name Using Similar Mechanism Tape Transport Mechanism Type HCD-V800 CDM38L-5BD24AL BU-5BD24AL KSS-213D/Q-NP HCD-GRX8/R800/RX88/RX99 TCM-230AWR1 TCM-230PWR1 SPECIFICATIONS -- Continued on next page -- COMPACT DISC DECK RECEIVER MICROFILM -1- HCD-V818 8-3. SCHEMATIC DIAGRAM - CD SECTION - * See page 35 for Waveforms. * See page 85 for IC Block Diagrams. (Page 47) - 37 - - 38 - HCD-V818 8-5. SCHEMATIC DIAGRAM - DECK SECTION - * See page 86 for IC Block Diagrams. (Page 56) - 41 - - 42 - HCD-V818 8-8. SCHEMATIC DIAGRAM - VIDEO (1/3) SECTION - * See page 36 for Waveforms. * See page 89 for IC Pin Functions. * Note When replacing IC502, refer to "IC502 of video Board" in "Service Note" (page 13). (SEE PAGE 12) (Page 51) (Page 37) (Page 58) (Page 49) (Page 49) (Page 51) - 47 - - 48 - HCD-V818 8-9. SCHEMATIC DIAGRAM - VIDEO (2/3) SECTION - * See page 36 for Waveforms. * See page 45 for Printed Wiring Board. * See page 94 for IC Pin Functions. (Page 47) (Page 47) (SEE PAGE 12) (Page 51) (Page 51) - 49 - - 50 - HCD-V818 8-10. SCHEMATIC DIAGRAM - VIDEO (3/3) SECTION - * See page 36 for Waveforms. * See page 45 for Printed Wiring Board. (Page 48) (Page 48) (Page 50) (SEE PAGE 12) (Page 50) - 51 - - 52 - HCD-V818 8-12. SCHEMATIC DIAGRAM - MAIN (1/4) SECTION - (Page 72) (Page 42) (Page 57) (Page 57) (Page 61) (Page 61) (Page 57) (Page 59) (Page 59) (Page 61) - 55 - - 56 - HCD-V818 8-13. SCHEMATIC DIAGRAM - MAIN (2/4) SECTION - * See page 36 for Waveforms. * See page 53 for Printed Wiring Board. * See page 89 for IC Pin Functions. (Page 56) (Page 47) (Page 56) (Page 82) (Page 82) (Page 56) (Page 61) - 57 - (Page 61) (Page 62) (Page 62) - 58 - HCD-V818 8-14. SCHEMATIC DIAGRAM - MAIN (3/4) SECTION - * See page 53 for Printed Wiring Board. (Page 55) (Page 55) (Page 61) (Page 61) - 59 - - 60 - HCD-V818 8-15. SCHEMATIC DIAGRAM - MAIN (4/4) SECTION - * See page 53 for Printed Wiring Board. (Page 57) (Page 57) (Page 57) (Page 58) (Page 56) (Page 56) (Page 56) (Page 60) (Page 60) (Page 75) - 61 - (Page 67) (Page 67) - 62 - HCD-V818 8-16. SCHEMATIC DIAGRAM - MIC/HP SECTION - * See page 86 for IC Block Diagrams. 8-17. PRINTED WIRING BOARD - MIC/HP SECTION - * See page 22 for Circuit Boards Location. (Page 66) (Page 67) (Page 65) (Page 67) - 63 - - 64 - HCD-V818 8-19. SCHEMATIC DIAGRAM - POWER AMP SECTION - (Page 63) (Page 69) (Page 62) (Page 69) (Page 63) (Page 69) (Page 62) (Page 69) (Page 69) - 67 - - 68 - HCD-V818 8-20. SCHEMATIC DIAGRAM - TRANSFORMER SECTION - * See page 65 for Printed Wiring Board. (POWER BOARD) (Page 68) (Page 68) (Page 68) (Page 68) (Page 68) - 69 - - 70 - HCD-V818 8-21. PRINTED WIRING BOARD - TRANSFORMER SECTION - * See page 22 for Circuit Boards Location. 8-22. PRINTED WIRING BOARD - LEAF SW SECTION - * See page 22 for Circuit Boards Location. (Page 53) 8-23. SCHEMATIC DIAGRAM - LEAF SW SECTION - (Page 56) (Page 66) - 71 - - 72 - 8-25. SCHEMATIC DIAGRAM - DISPLAY SECTION - * See page 36 for Waveforms. * See page 86 for IC Block Diagrams. * See page 97 for IC Pin Functions. HCD-V818 (Page 77) (Page 61) (Page 77) - 75 - (Page 78) - 76 - HCD-V818 8-26. SCHEMATIC DIAGRAM - PANEL SECTION - (Page 76) (Page 75) (Page 76) - 77 - - 78 - HCD-V818 8-28. SCHEMATIC DIAGRAM - CD MOTOR SECTION - * See page 86 for IC Block Diagrams. (Page 58) (Page 58) - 81 - - 82 - 8-30. IC BLOCK DIAGRAMS * CD section IC101 CXD2545Q VCKI VPCO FSTO XTAI XTAO XTSL * VIDEO section IC509 PCM1727E 32K RAM 384fs XT1 1 43 PSSL CLOCK MANAGER * DUAL PLL 24 XT2 * DISPLAY section IC603 BA3833F RESET 1 C RESET 18 RESET 67 62 63 64 20 19 C4M C16M PDO VCO1 VCO0 PCO FILI FILO CLTV RFAC ASYI ASYO ASYE WFCK SCOR EXCK SBSO EMPH SQCK SQSO MON FSW MDP MDS 68 69 18 13 12 33 32 31 34 36 38 39 42 73 74 76 75 72 78 77 95 94 96 97 CLOCK GENERATOR PREF 2 REFFERENCE CURRENT BPF DET 17 f01 RESISTER ( DIGITAL PLL VARI-PITCH DOUBLE SPEED ) EFM DEMODULATOR ADDRESS GENERATOR PRIORITY ENCODER SERIAL PARALLEL PROCESSOR 16 61-46 DA01-16 PGND 2 VCP 3 POWER SUPPLY SYNC PROTECTOR ASYMMETRY CORRECTION MUX D/A DATA PROCESSOR PEAK DETECTOR DIGITAL OUT 79 MUTE NCKO 4 RSV 5 SCKO3 6 ML MC MC RSTB 7 8 9 10 23 22 21 20 DGND VDD SCKO1 SCKO2 LINE 3 NF 16 f02 19 LRCK AUDIO DATA INPUT INTERFACE MODE CONTROL 18 DATA 17 BCK LINE 4 IN BPF DET 15 f03 BPF GND 5 DET 14 f04 71 D OUT 70 MD2 TIMING GENERATOR 1 SUBCODE P-W PROCESSOR SUBCODE Q PROCESSOR CLV PROCESSOR NOISE SHAPER 18-TIMES OVERSAMPLING FILTER MIRR DFCT FOK DETECTOR TIMING GENERATOR 2 SERVO MICRO PROGRAM INTERFACE ERROR CORRECTOR BPF 16 ZERO BIAS 6 C Bias DET 13 f CPU INTERFACE 86 DATA 88 CLOK 87 XLAT 8 TIME OVER SAMPLING DIGITAL FILTER * FUNCTION CONTROL OPEN DET NC 7 15 CAP 12 VCC SERVO AUTO SEQUENCER 14 VOUTL NC 8 11 NC 80 SENS BPZ CONTROL 89 91 92 93 COUT MIRR DFCT FOK MULTI LEVEL MODULATOR MULTI LEVEL MODULATOR NC 9 10 NC 5 LEVEL DAC CR LPF * OUTPUT AMP 5 LEVEL DAC CR LPF * OUTPUT AMP 13 VCA IC851 MSM6653A-517GS-K VDD 1 XT 2 XT 3 NC 4 CMD 5 NC 6 NC 7 ST 8 I0 9 I1 10 I2 11 I3 12 RFDC TE SE FE VC 26 27 28 29 30 SERVO DSP SWITCH & BUFFER A/D CONVERTER SLED SERVO TRACKING SERVO FOCUS SERVO PWM GENERATOR SLED PWM GENERATOR TRACKING PWM GENERATOR FOCUS PWM GENERATOR 2 2 2 2 2 2 3, 100 1, 2 4, 7 5, 6 8, 11 9, 10 SFON, SFDR SRON, SRDR TFDR, TFON TRON, TRDR FFDR, FFON FRON, FRDR VOUTR 11 OSC SOUND MIX AGND 12 24 23 22 21 20 19 18 17 16 15 14 13 GND A-OUT NAR NC BUSY NC VPP RST CH SD SI I4 25 24 14 16 17 21 40 23 35 41 90 15 65 81 22 37 44 45 66 82 83 84 85 98 99 * Deck section IC602 uPC1330HA RFC ADIO IGEN BIAS WDCK LRCK FSTI DIRC SCLK DFSW ATSK LOCK SSTP AVDD AVDD AVSS AVSS ADD ADD DVSS DVSS XRST TEST TES2 TES3 ROM CON INTER FACE IC102 BA6392FP IC103 CXA1821M INVERTER CH1 OUT F 1 CH1 OUT R 2 CAPA IN 1 3 CH1 R IN 4 CH1 F IN 5 VREF IN 6 VREF OUT 7 GND 8 CH2 F IN 9 CH2 R IN 10 CAPA IN 2 11 CH2 OUT R 12 CH2 OUT F 13 GND 14 BUFF F BUFF R LEVEL SHIFT BUFF R F INTERFACE BUFF 28 GND 27 CH4 OUT F 26 CH4 OUT R 25 VB IN 24 VS IN LD 1 VCC PD 2 A3 VEE B4 C5 VC RF SUMMING AMP VC VCC 20 VCC * MIC/HP section 19 LD ON 1 2 3 4 18 LC/PD RF EQ AMP 17 RFE COMPARATER 5 GND 6 VCC 7 8 9 SW R2 CLOCK OP2IN VCC REF IC751 M65850FP LPF2OUT 8 LPF2 20KBIT SRAM 7 GND OP2OUT 10 D/A MO MI 6 CC2 LPF2IN 9 VREF APC LD AMP VEE SW R1 GND SW P1 CONT SW P2 GND * CD motor section 16 RFO 14 13 12 11 BUFF 23 VB IN IC701 M54641L D6 15 FE FOCUS ERROR AMP VEE 7 F8 VC VC VC BUFFER VC VCC VEE 11 EO IN2 6 INPUT AMP. 12 VC E9 EI 10 VEE VC VC VC TRACKING ERROR AMP 14 FE BIAS REG 13 TE IN1 3 INPUT AMP. CONTROL POWER AMP. POWER AMP. 2 OUT2 GND RIN OUT1 7 VREF OUT2 RNF GND OUT1 VM VCC FIN 1 2 3 4 5 6 7 8 9 10 PO WER SAVE 1 LPF1IN TSD CONTROL LOGIC 5 REFERENCE VCC 1 VCC 8 1/2 VCC OSCILLATOR 22 VCC 21 VCC F R INTERFACE INTERFACE F R 20 CH3 F IN 19 CH3 R IN 18 CAPA IN 3 BUFF F R MUTE 15 MUTE BUFF 17 CH3 OUT R 16 CH3 OUT F CLOCK DO1 IC801 BA6286N AUTO RESET RESET MAIN CONTROL D1 DO0 A/D LPF1 2 LPF1OUT 3 OP1OUT 4 OP1IN 5 CC1 R BUFF BUFF F 4 GND - 85 - - 86 - |
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