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