HCD-GRX8 SONY | Alldatasheet

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Technical content

– 1 – MICROFILM HCD-GRX8/R800/ RX88/RX99 AEP Model UK Model HCD-RX88/RX99 E Model HCD-GRX8/R800 Australian Model HCD-GRX8 SPECIFICATIONS Photo: HCD-GRX8 SERVICE MANUAL COMPACT DISC DECK RECEIVER — Continued on next page — Model Name Using Similar Mechanism HCD-H991AV CD Mechanism Type CDM38L-5BD29AL/ CDM38LH-5BD29AL Base Unit Type BU-5BD29AL Optical Pick-up Type KSS-213D/Q-NP Model Name Using Similar Mechanism NEW Tape Transport Mechanism Type TCM-230AWR1/230PWR1 CD SECTION TAPE DECK SECTION HCD-GRX8/R800/RX88/RX99 is the tuner, deck, CD and amplifier section in MHC-GRX8/R800/RX88/RX99.

– 39 – – 40 – HCD-GRX8/R800/RX88/RX99 7-4. SCHEMATIC DIAGRAM — CD SECTION —

  • See page 35 for Waveforms.
  • See page 85 for IC Block Diagrams.
  • See page 88 for IC Pin Functions. (Page 56)

– 41 – – 42 – HCD-GRX8/R800/RX88/RX99 7-5. SCHEMATIC DIAGRAM – TUNER SECTION – (AEP, UK, German model)

  • See page 36 for Waveforms.
  • See page 83 for IC Block Diagrams. (Page 53)

– 45 – – 46 – HCD-GRX8/R800/RX88/RX99 7-8. SCHEMATIC DIAGRAM – TUNER SECTION – (East European, CIS model)

  • See page 36 for Waveforms.
  • See page 83 for IC Block Diagrams. (Page 53)

– 47 – – 48 – HCD-GRX8/R800/RX88/RX99 7-9. SCHEMATIC DIAGRAM – DECK SECTION –

  • See page 87 for IC Block Diagrams. (Page 54)

– 53 – – 54 – HCD-GRX8/R800/RX88/RX99 7-12. SCHEMATIC DIAGRAM – MAIN (1/4) SECTION – (Page 55) (Page 55) (Page 59) (Page 59) (Page 55) (Page 59)(Page 57)(Page 57) (Page 41, 45) (Page 48) (Page 70)

– 55 – – 56 – HCD-GRX8/R800/RX88/RX99 7-13. SCHEMATIC DIAGRAM – MAIN (2/4) SECTION –

  • See page 36 for Waveforms.
  • See page 51 for Printed Wiring Board.
  • See page 93 for IC Pin Functions. (Page 54) (Page 54) (Page 54) (Page 59) (Page 59) (Page 60) (Page 60) (Page 80) (Page 80) (Page 40)

– 57 – – 58 – HCD-GRX8/R800/RX88/RX99 7-14. SCHEMATIC DIAGRAM – MAIN (3/4) SECTION –

  • See page 51 for Printed Wiring Board. (Pasge 53) (Page 53) (Page 59) (Page 59)

– 59 – – 60 – HCD-GRX8/R800/RX88/RX99 7-15. SCHEMATIC DIAGRAM – MAIN (4/4) SECTION –

  • See page 51 for Printed Wiring Board. (Page 54) (Page 54) (Page 54) (Page 58) (Page 58) (Page 73) (Page 65) (Page 56) (Page 55) (Page 55) (Page 55) (Page 65)

– 61 – 7-16. SCHEMATIC DIAGRAM – MIC/HP SECTION –

  • See page 87 for IC Block Diagrams. (Page 65) (Page 65)

– 65 – – 66 – HCD-GRX8/R800/RX88/RX99 7-19. SCHEMATIC DIAGRAM – POWER SECTION – (Page 61) (Page 61) (Page 60) (Page 60) (Page 67) (Page 67) (Page 67) (Page 67) (Page 67)

– 67 – – 68 – HCD-GRX8/R800/RX88/RX99 7-20. SCHEMATIC DIAGRAM – TRANSFORMER SECTION –

  • See page 63 for Printed Wiring Board. (POWER BOARD) (Page 66) (Page 66) (Page 66) (Page 66) (Page 66)

– 69 – – 70 – HCD-GRX8/R800/RX88/RX99 7-21. PRINTED WIRING BOARD – TRANSFORMER SECTION –

  • See page 20 for Circuit Boards Location. 7-23. SCHEMATIC DIAGRAM – LEAF SW SECTION – 7-22. PRINTED WIRING BOARD – LEAF SW SECTION –
  • See page 20 for Circuit Boards Location. (Page 64) (Page 51) (Page 54) C These are omitted EB
  • Indication of transistor

– 73 – – 74 – HCD-GRX8/R800/RX88/RX99 7-25. SCHEMATIC DIAGRAM – DISPLA Y SECTION –

  • See page 36 for Waveforms.
  • See page 87 for IC Block Diagrams.
  • See page 96 for IC Pin Functions. (Page 59) (Page 76) (Page 75) (Page 75)

– 75 – – 76 – HCD-GRX8/R800/RX88/RX99 7-26. SCHEMATIC DIAGRAM – P ANEL SECTION – (Page 74) (Page 74) (Page 73)

– 79 – – 80 – HCD-GRX8/R800/RX88/RX99 7-28. SCHEMATIC DIAGRAM – CD MOTOR SECTION –

  • See page 87 for IC Block Diagrams. (Page 56) (Page 56)

– 83 – – 84 – HCD-GRX8/R800/RX88/RX99

  • Tuner section IC21 LC72130 7-30. IC BLOCK DIAGRAMS IC41 LA1838 IC1701 IR3R42 IC1702 MC14053BCP IC1751 NJM4558D IC1752 BU1922 PHASE DETECTOR CHARGE PUMP SWALLOW COUNTER 1/16, 1/17 4BITS 12BITS PROGRAMMABLE DRIVER UNIVERSAL COUNTER REFERENCE DIVIDER POWER ON RESET C2B I/F 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 1211

21222324 XOUT

SEP. GATE SAMPLE & HOLD BUFFER REGULATOR PHASE COMPARATOR PHASE COMPARATOR 2 MUTE TRIGGER 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 AMP AMP AMP LAMP VCO STOP ST LOUT ROUT LHC RHC POUT IN VCC GND VCO LPF1A LPF1B DETIN LPF2A LPF2B SUBIN SUBOUT MON C.COM CO INH VEE VSS VDD B.COM A.COM A B C OPEN OPEN OPEN B A A OUT A IN– A IN+ VEE VCC B OUT B IN– B IN+ QUALITY BIT GENERATOR DEFFERENTIAL DECODER BIPHASE SYMBOL DECODER OSCILLATOR AND DIVIDER 57kHz BANDPASS (8th ORDER) CONTAS LOOP VARIABLE AND FIXED DIVIDER REFERENCE VOLTAGE ANTI- ALIASING FILTER CLOCKED COMPARATOR TEST LOGIC AND OUTPUT SELECTOR SWITCH RECONSTRUCTION FILTER 141516 13 12 11 10 9 321 4 5 6 7 8 CLOCK REGENERATION AND SYNC VP1 RDCL TS7 OSCO OSCI V DDD VSSD TEST TSTLD QUAL RDDA Vref MUX VDDA VSSA CIN SCOUT ALC BUFF AM OSC AM MIX AM RF. AMP AGC IF DET S-CURVE AM/FM IF BUFF REG TUNING DRIVE GND VCC PILOT DET VCO FF STEREO DRIVE STEREO SW MUTE FF FF FM IF FM DET DECODER ANTI BIRDIE 1 2 3 4 5 6 7 98 20 19 18 17 16 15141110 212223242527 262930 OSC.BUFF FM-SD.ADJ AM-OSC REG FM-AFC AM-RF-IN AGC MPX-IN FM-DET OUT AM-DET OUT OUT L OUT R AMP-IN L AMP-IN R AMP OUT R AMP OUT L VCO-STOP STEREO AM/FM AM. SD FM. SD AM. SD ADJ IF-BUFF MUTE VCC FM DET FM-IN AM-MIX FM-IF AM-IF GND TUNED S METER FM S METER AM COMP SD AM 12 13 PHASE DET

– 85 –

  • CD section IC101 CXA1992AR 1 2 3 4 5 6 7 8 9 10 131211 27282930313233343536373839 Charge up FEO FEI FDFCT FGD FLB FE_O FE_M SRCH TGU TG2 FSET TA_M TA_O SL_P SL_M SL_O ISET VCCVCC LOCK CLK XLT DATA XRST C. OUT SENS1 SENS2 FOK CC2 CC1 CB CP RF_I RF_O RF_M RFTC LD PD PD1 PD2 FE_BIAS F E EI VEE TEO LPFI TEI ATSC TZC VC FZC TM2 VEEVEE TM3 TM5 TM4 TM6 VCC VCC TM7 ISET TTL IIL IIL TTL IIL TTL IIL DATA REGISTER INPUT SHIFT REGISTER ADDRESS DECODER SENS SELECTOR OUTPUT DECODER DFCTO IFB1-6 BAL1-4 TOG1-4 FS1-4 TG1-2 TM1-7 PS1-4 FOH FOL TGH TGL BALH BALL ATSC TZC FZC FSET TG2 VEE VCC FS1 FS2 FOCUS PHASE COMPENSATION DFCT FS4 TRACKING PHASE COMPENSATIONTG1 TM1 DFCT FZC COMP. VEEVCC VCC TDFCT TZC COMP. ATSC WINDOW COMP. E-F BALANCE WINDOW COMP. TRK. GAIN WINDOW COMP. FO. BIAS WINDOW COMP. VEE TGFL TOG1 TOG2 TOG3 TOG4 BAL1 BAL2 BAL3 BAL4 IFB1 IFB2 IFB3 IFB4 IFB5 IFB6 FE AMP VEE E IV AMP F IV AMP VCC APC VCC VEE LASER POWER CONTROL VEE PD1 IV AMP PD2 IV AMP RF SUMMING AMP VCC VEE VEE LEVEL S VEE MIRRVCC DFCT FOK VCC LDON LPCL LPC TGFL MIRR DFCT1 CC1

– 86 – IC102 BA5941FP IC103 CXD2519Q LEVEL SHIFT + –+– 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 LEVEL SHIFT + – MUTE LEVEL SHIFT + –+– LEVEL SHIFT + – 151617181921 202226 25 24 23 NC Vcc VccVcc VCC BIAS IN IN1B IN1A IN2B IN2A GND GND MUTE VCC OUT2A OUT2B OUT1A OUT1B IN4B IN4A IN3B IN3A OP OUT OP IN (–) OP IN (+) GND NC VCC OUT3A OUT3B OUT4A OUT4B 3RD-ORDER NOISE SHAPER PWMPWM VDD VSS LMUT RMUT TES2 CKOUT SQCK SQSO SENS DATA XLAT CLOK SEIN CNIN DATO XLTO CLKO SPOA SPOB SPOC SPOD XLON FOK VDD VSS MON MDP MDS LOCK PWMI 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 LRCK WDCK ASYE ASYO ASYI BIAS RF AVDD CLTV AVSS FILI FILO PCO VCTL V16M VCKI VPCO1 VPCO2 TES1 TES0 NC AVSS AVDD AOUT1 AIN1 LOUT1 AVSS XVDD XTAI XTAO XVSS AVSS LOUT2 AIN2 AOUT2 AVDD AVSS NC NC XRST 100 SYSM VDD VSS EXCK SBSO SCOR WFCK EMPHI EMPH DOUT C4M FSTT XTSL MNT0 MNT1 MNT3 XROF C2PO RFCK GFS XPCK XUGF GTOP VDD VSS BCKI BCK PCMDI PCMD LRCKI 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 5180 79 78 77 76 75 74 73 72 ASYMMETRY CORRECTOR DIGITAL PLL CLOCK GENERATOR D / A INTERFACE DIGITAL CLV SERIAL-IN INTERFACE OVER SAMPLING DIGITAL FILTER SUB CODE PROCESSOR TIMING LOGIC CPU INTERFACE SERVO AUTO SEQUENCER ERROR CORRECTOR 16K RAM DIGITAL OUT OSC EFM DEMODURATOR

– 87 –

  • Deck section IC602 uPC1330HA
  • Main section IC392 MC74HCU04F IC851 MSM6653A-517GS-K
  • Mic section IC751 M65850FP IC701 M54641L
  • CD motor section IC801 BA6286N
  • Display section IC603 BA3833FP 1 2 3 4 5 6 7 8 9 INVERTER COMPARATER SW R1 GND SW P1 CONT GND VCC SW P2 GND SW R2 14 13 12 11 10 9 8 1 2 3 4 5 6 7 VCC GND POWER AMP. POWER AMP. CONTROL INPUT AMP. INPUT AMP. REG VCC VCC REFERENCE OUT2 OUT1 IN1 IN2 GND TSD CONTROL LOGIC POWER SAVEGND RIN VREF OUT2 RNF GND VM VCC FIN OUT1 f04 13 f

12 VCC

C 7NC 8NC 9NC 16 f02 17 f01

18 RESETRESET

C PREF LINE NF LINE IN REFFERENCE CURRENT BPF DET BPF DET BPF DET BPF DET DET RESET Bias µ CON INTER FACEROM OSC SOUND MIX GND VDD A-OUT NAR NC BUSY VPP RST CH SD SI NC XT XT NC CMD NC ST NC OSCILLATOR 1/2 VCC AUTO RESET LPF1 MAIN CONTROL A/D 20KBIT SRAM LPF2D/A 1 2 3 4 5 6 7 891014 13 12 11 CLOCK RESET MO MID1 DO0 DO1 VCC CLOCK REF OP2IN OP2OUT LPF2IN LPF2OUT LPF1IN LPF1OUT OP1OUT OP1IN CC1 CC2 GND