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Sony HCD-GN88D Service Manual
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Sony HCD-GN88D Service Manual

Mini hi-fi component system
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SERVICE MANUAL
Ver 1.2 2004.03
HCD-GN88D is the amplifier, DVD
player, tape deck and tuner section in
MHC-GN88D.
Amplifier section
The following are measured at AC 120, 127, 220, 240V 50/60 Hz
DIN power output (rated)
Front speaker:
185 + 185 watts
(6 ohms at 1 kHz, DIN)
Center speaker:
50 watts
(8 ohms at 1 kHz, DIN)
Surround speaker:
50 + 50 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
Front speaker:
235 + 235 watts
(6 ohms at 1 kHz, 10% THD)
Center speaker:
70 watts
(8 ohms at 1 kHz, 10% THD)
Surround speaker:
70 + 70 watts
(8 ohms at 1 kHz, 10% THD)
Inputs
GAME (VIDEO):
1 Vp-p, 75 ohms
(phono jack)
GAME (AUDIO):
Voltage 250 mV,
(phono jacks)
impedance 47 kilohms
MD/VIDEO (AUDIO) IN:
voltage 450 mV/250 mV,
(phono jacks)
impedance 47 kilohms
MIC:
sensitivity 1 mV,
(phone jack)
impedance 10 kilohms
Sony Corporation
9-877-457-03
2004C02-1
Home Audio Company
C 2004.03
Published by Sony Engineering Corporation
HCD-GN88D
Model Name Using Similar Mechanism
DVD Mechanism Type
DVD
Section
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
TAPE
Section
Tape Transport Mechanism Type
SPECIFICATIONS
Outputs
AUDIO OUT:
(phono jacks)
VIDEO OUT:
(phono jack)
COMPONENT VIDEO
OUT:
S VIDEO OUT
(4-pin/mini-DIN jack):
PHONES:
(stereo mini jack)
FRONT SPEAKER:
SUBWOOFER OUT:
(phono jack)
SURROUND SPEAKER:
CENTER SPEAKER:
MiNi Hi-Fi COMPONENT SYSTEM
E Model
Australian Model
NEW
CDM74D-DVBU23
DVBU23
TDP022W
HCD-GN800
CWM43RR23
Voltage 250 mV
impedance 1 kilohms
max. output level 1 Vp-p,
unbalanced, Sync.
negative load impedance
75 ohms
Y: 1 Vp-p, 75 ohms
P
/C
: 0.7 Vp-p, 75 ohms
B
B
P
/C
: 0.7 Vp-p, 75 ohms
B
R
Y: 1 Vp-p, unbalanced,
Sync negative
C: 0.286 Vp-p load
impedance 75 ohms
accepts headphones of
8 ohms or more
accepts impedance of 6 to 16 ohms
Voltage 250 mV
impedance 1 kilohms
accepts impedance of
8 ohms to 16 ohms
accept impedance of
8 ohms to 16 ohms
– Continued on next page –

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  • Page 1 HCD-GN88D SERVICE MANUAL E Model Australian Model Ver 1.2 2004.03 HCD-GN88D is the amplifier, DVD player, tape deck and tuner section in MHC-GN88D. Model Name Using Similar Mechanism DVD Mechanism Type CDM74D-DVBU23 Section Base Unit Name DVBU23 Optical Pick-up Name...
  • Page 2 Tape player section or unsoldering. Recording system 4-track 2-channel stereo Frequency response 50 – 13,000 Hz (±3 dB), using Sony TYPE I cassette CAUTION Use of controls or adjustments or performance of procedures Tuner section other than those specified herein may result in hazardous ra- FM stereo, FM/AM superheterodyne tuner diation exposure.

  • Page 3: Table Of Contents

    HCD-GN88D TABLE OF CONTENTS SERVICING NOTES 7-7. Printed Wiring Board – DMB03 Board (Side A)– ..36 ..........4 Printed Wiring Board – DMB03 Board (Side B)– ..37 7-8. Schematic Diagram – DMB03 Board (1/8) – ....38 GENERAL 7-9.

  • Page 4: Servicing Notes

    HCD-GN88D SECTION 1 SERVICING NOTES • MODEL IDENTIFICATION NOTES ON HANDLING THE OPTICAL PICK-UP – Back Panel – BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated PART No.

  • Page 5: General

    HCD-GN88D SECTION 2 This section is extracted from instruction manual. GENERAL Main unit ALPHABETICAL ORDER A - D SYMBOLS O - R ALBUM +/– qg @/1 (power) 1 OPEN/CLOSE Z 5 AMP MENU rh hH (play) qa P FILE ws...

  • Page 6: Remote Control

    HCD-GN88D This section is extracted from instruction manual. Remote Control ALPHABETICAL ORDER SYMBOLS T - Z A - D ALBUM +/– eg TAPE A/B 6 @/1 (power) 5 AMP MENU rd TUNER BAND rl x (stop) qk ANGLE wd TUNING +/– eh...

  • Page 7: Disassembly

    HCD-GN88D SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. CASE LOADING (PANEL) FRONT PANEL ASSY TUNER PACK, GAME IN BOARD, DVD MECHANISM DECK SUB TRANS BOARD TAPE MECHANISM DECK CD SWITCH BOARD, DISPLAY BOARD...

  • Page 8: Case

    HCD-GN88D Note: Follow the disassembly procedure in the numerical order given. 2 Five screws (+BVTT3 x 6) 3-1. CASE 7 Case Catcher 5 Slightly push down the edge of front panel not to break the catcher. 1 Three screws (case 3 TP2)

  • Page 9: Front Panel Assy

    HCD-GN88D 3-3. FRONT PANEL ASSY 8 Front panel ASSY 3 Screw (BVTP3 x 10) 1 Two wires (flat type) 7 From CN607 on Game in board MAIN board CN402 CN304 4 From deck B head 5 From CN606 on Game in board...

  • Page 10: Dvd Mechanism Deck

    HCD-GN88D 3-5. DVD MECHANISM DECK 6 Connector 5 Connector (CN710) (CN711) 4 Wire (flat type) (20 core) 3 Two screws (BVTP3 x 10) qa Connector qs DVD mechanism deck 1 Three screws (BVTP3 x 10) 2 Three screws (BVTT3 x 6)

  • Page 11: Cd Switch Board, Display Board

    HCD-GN88D 3-7. CD SWITCH BOARD, DISPLAY BOARD 1 Six screws 4 Five screws (+BVTP2.6 x 8) (+BVTP2.6 x 8) 2 CD SWITCH board 5 DISPLAY board 4 Five screws (+BVTP2.6 x 8) 3 Wire (flat type) (17 core) from CN604 3-8.

  • Page 12: Back Panel, Subwoofer Board

    HCD-GN88D 3-9. BACK PANEL, SUBWOOFER BOARD 6 Back panel with fan 1 Two screws (+BVTT3 x 6) qa Screw (+BVTP3 x 10) 2 Two screws qd SURROUND board (+BVTP3 x 10) 7 Connector CN303 qs Bracket (IC) CN304 3 Four screws (+BVTP3 x 10) q;...

  • Page 13: Power Amp Board

    HCD-GN88D 4 Two screws 3-11. POWER AMP BOARD (+BVTP3 x 10) 6 Two screws (+BVTP3 x 10) 3 Bracket (HS) 5 Three screws (+BVTP3 x 10) 2 Two screws (+BVTP3 x 10) 7 POWER AMP board 1 Connector from CN997 3-12.

  • Page 14: Sw Board, Driver Board

    HCD-GN88D 3-13. SW BOARD, DRIVER BOARD 0 CN702 (flat type) 7 CN703 5 SW board 9 DRIVER board 6 CN704 4 Screw (+BTTP (M2.6)) 8 Two screws (+BTTP (M2.6)) 1 Screw (+BVTP 3x8) 1 Screw 3 Bracket DVD (+BVTP 3x8)

  • Page 15: Sensor Board

    HCD-GN88D 3-15. SENSOR BOARD 1 Floating screw (+PTPWH M2.6) 2 Tray 8 Screw (+BTTP (M2.6)) 3 Belt (table) 9 SENSOR board 4 Foating screw (+PTPWH M2.6) 5 Pulley (table) 6 Floating screw (+PTPWH M2.6) 0 CN731 7 Gear (geneva) 3-16. MOTOR (TB) BOARD...

  • Page 16: Motor (Ld) Board

    HCD-GN88D 3-17. MOTOR (LD) BOARD 2 Two screws (+BTTP (M2.6)) 4 Remove the two solderings of motor. 3 MOTOR (LD) board 5 Loading motor ASSY (M751) 1 Belt (loading)

  • Page 17: Test Mode

    HCD-GN88D SECTION 4 TEST MODE [GC TEST MODE] * Check of Amplifier • This mode is used to check the fluorescent indicator tube, LED, 1. When button is pressed, GEQ increases to its maximum and model, destination, software version, volume, key and VACS a message “GEQ MAX”...
  • Page 18 HCD-GN88D [COLD RESET] [DVD SHIP MODE (WITHOUT MEMORY CLEAR)] • The cold reset clears all data including preset data stored in the • This mode moves the optical pick-up to the position durable to RAM to initial conditions. Execute this mode when returning vibration.

  • Page 19: Mechanical Adjustments

    HCD-GN88D SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS Precaution DECK SECTION 0 dB=0.775 V 1. Clean the following parts with a denatured alcohol-moistened swab: 1. Demagnetize the record/playback head with a head record/playback heads pinch rollers demagnetizer. erase head rubber belts 2.
  • Page 20 HCD-GN88D 2. Turn the adjustment screw and check output peaks. If the peaks Tape Speed Adjustment do not match for L-CH and R-CH, turn the adjustment screw DECK B so that outputs match within 1dB of peak. Procedure: Mode: Playback...
  • Page 21 HCD-GN88D 4. Mode: Record REC BIAS ADJUSTMENT DECK B Procedure: MAIN board In the MC test mode, the “REC memory mode” is convenient for MD/VIDEO (AUDIO) IN (J117) this adjustment. In the “REC memory mode” , when the REC starts 315 Hz, 50 mV (–23.8 dB)

  • Page 22: Video Section

    HCD-GN88D Ver 1.1 2003.08 VIDEO SECTION RE-ADJUSTMENT OF THE SERVO CIRUIT The re-adjustment of the servo circuit is necessary when the part which relates to the servo circuit is replaced. Referring to SUPPLEMENT-1 “1. DRIVE AUTO ADJUSTMENT” (see page Choose ALL and do the re-adjustment of each item of DVD-SL, CD and DVD-DL.

  • Page 23: Diagrams

    HCD-GN88D SECTION 7 DIAGRAMS Note on Schematic Diagram: Note on Printed Wiring Boards: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics •...

  • Page 24: Circuit Board Location

    HCD-GN88D 7-1. CIRCUIT BOARD LOCATION TUNER PACK DMB03 board VIDEO board REGULATOR board CD SWITCH board SURROUND board SUB TRANS board TRANS board POWER AMP board SENSOR board RF board SW board MOTOR (TB) board MOTOR (LD) board DRIVER board...
  • Page 25 HCD-GN88D WAVEFORMS – MAIN BOARD – – DMB03 BOARD – – DISPLAY BOARD – – RF Board – IC501 qa XC-OUT IC901 r; XTAL IC601 is X OUT IC207 VDAC_1 IC001 1 DVD RFP 3.3 Vp-p 2.4Vp-p 3.0Vp-p 976 mVp-p...

  • Page 26: Block Diagram - Dvd Dsp (1/2) Section

    HCD-GN88D 7-2. BLOCK DIAGRAM – DVD DSP (1/2) Section – OPTICAL PICK-UP IC509 DOUT BLOCK IC001 CD DECODER (TDP022W) DVD/CD RF AMP SERVO DSP IC701 DVDRFP RFAC 50 RFAC DOUT DVD DECODER DVD DSP (2/2) SECTION 44,41,39,35 (Page 27) RFIN...
  • Page 27 HCD-GN88D – DVD DSP (2/2) Section– IC252 IC201 DATA OUT SELECTOR DOUT OPTICAL DOUT DOUT CD DIGITAL OUT DIGITAL OPTICAL IC302 D/A CONVERTER DVD DSP (1/2) IC207 VOUT7 DOWNMIX-L SECTION DVD SYSTEM PROCESSOR VOUT8 (Page 26) DOWNMIX-R MUTE 177-174 IEC958...

  • Page 28: Block Diagram - Tuner/Tape Deck Section

    HCD-GN88D – TUNER/TAPE DECK Section – IC303 AMS DETECT R-CH Q390, 398, 399 MUTE Q306,389 DECK-A AIN1 L – CH EQ OUT1 MAIN TAPE L-CH PB OUT1 TAI1 SECTION HEAD (Page 29) R – CH R-CH CN301 BIN1 REC/PB SWITCH...

  • Page 29: Block Diagram - Main Section

    HCD-GN88D – MAIN Section – +5V REG. A+9V Q721 (+5V) RV722 MIC LEVEL J721 REC-L MIC OUT TUNER/TAPE MIC AMP MIC AMP (Page 28) IC722(1/2) IC722 (2/2) SECTION VC (+5V) VC (+5V) AUDIO OUT DIGTAL LPF1 LPF2 ECHO R-CH IC721...

  • Page 30: Block Diagram - Amp Section

    HCD-GN88D – AMP Section – MAIN J631 SECTION PHONES (Page 29) DBFB IC501 POWER AMP TM501(1/2) FRONT SPEAKER IMPEDANCE USE 6-16Ω RY501 PROTECT SWITCH OVER LOAD Q511 DETECT MUTING Q501, 551 TH502 MUTING RELAY DRIVE Q503, 504, 581 D+3.9V AC CUT DETECT...

  • Page 31: Block Diagram - Display Section

    HCD-GN88D – DISPLAY Section – M+9V Q606 Q601 Q707 P1 – 36 SELECTOR Q605 FL601 FLUORESCENT BUFFER INDICATOR TUBE Q807, 808 D603, 605, 601 LED DRIVE D1002, 1004, 1006 Q602 – 604, D1008, 1010, 1012 Q1001 – 1006 AC CUT G1 –...

  • Page 32: Printed Wiring Board - Rf Board

    HCD-GN88D 7 - 3 . PRINTED WIRING BOARD – RF Board – • See page 24 for Circuit Boards Location. IC001 DMB03 BOARD (Page 36) (TDP022W) (TDP022W) • Semiconductor Location Ref. No. Location D001 D002 IC001 Q001 Q002...

  • Page 33: Schematic Diagram - Rf Board

    HCD-GN88D 7-4. SCHEMATIC DIAGRAM – RF Board – CN002 C027 C031 R026 R023 1000p JL005 C030 C025 R025 C029 JL004 CN001 C013 R024 JL007 C006 C008 C019 5600p R027 C009 R022 C018 5600p R028 C017 2200p R029 C016 2200p IC001...

  • Page 34: Printed Wiring Board - Dvd Mechanism Board

    HCD-GN88D 7-5. PRINTED WIRING BOARDS — DVD MECHANISM Board — • Refer to page 24 for Circuit Boards Location. MAIN BOARD (Page 48) CN751 S751 • Semiconductor Location Ref. No. Location D701 D711 IC701 IC712 IC731 E-11 Q731...

  • Page 35: Schematic Diagram - Dvd Mechanism Board

    HCD-GN88D 7-6. SCHEMATIC DIAGRAM – DVD MECHANISM Board –...

  • Page 36: Printed Wiring Board - Dmb03 Board (Side A)

    HCD-GN88D 7 - 7 . PRINTED WIRING BOARDS – DMB03 Board (SIDE A) – • See page 24 for Circuit Boards Location. : Uses unleaded solder. MAIN BOARD VIDEO BOARD (Page 48) (Page 46) NOT USE D1308 D1307 R805 R285...

  • Page 37: Printed Wiring Board - Dmb03 Board (Side B)

    HCD-GN88D PRINTED WIRING BOARDS – DMB03 Board (SIDE B) – • See page 24 for Circuit Boards Location. : Uses unleaded solder. C326 R313 IC252 C307 R307 R306 R303 R305 R304 R302 IC903 IC703 IC501 • Semiconductor Location Ref. No.

  • Page 38: Schematic Diagram - Dmb03 Board (1/8)

    HCD-GN88D 7-8. SCHEMATIC DIAGRAM – DMB03 Board (1/8) – µPC2933T-E2...

  • Page 39: Schematic Diagram - Dmb03 Board (2/8)

    HCD-GN88D 7-9. SCHEMATIC DIAGRAM – DMB03 Board (2/8) –...

  • Page 40: Schematic Diagram - Dmb03 Board (3/8)

    HCD-GN88D 7-10. SCHEMATIC DIAGRAM – DMB03 (3/8) Boards – • See page 71 for Pin Function Description.

  • Page 41: Schematic Diagram - Dmb03 Board (4/8)

    HCD-GN88D 7-11. SCHEMATIC DIAGRAM – DMB03 (4/8) Boards –...

  • Page 42: Schematic Diagram - Dmb03 Board (5/8)

    HCD-GN88D 7-12. SCHEMATIC DIAGRAM – DMB03 (5/8) Boards – • See page 74 for Pin Function Description.

  • Page 43: Schematic Diagram - Dmb03 Board (6/8)

    HCD-GN88D 7-13. SCHEMATIC DIAGRAM – DMB03 (6/8) Boards –...

  • Page 44: Schematic Diagram - Dmb03 Board (7/8)

    HCD-GN88D 7-14. SCHEMATIC DIAGRAM – DMB03 (7/8) Boards – • See page 68 for Pin Function Description.

  • Page 45: Schematic Diagram - Dmb03 Board (8/8)

    HCD-GN88D 7-15. SCHEMATIC DIAGRAM – DMB03 (8/8) Boards –...

  • Page 46: Printed Wiring Board - Video, Regulator Board

    HCD-GN88D 7 - 1 6 . PRINTED WIRING BOARD – VIDEO, REGULATOR Boards – • See page 24 for Circuit Boards Location. REGULATOR BOARD VIDEO BOARD MAIN DMB03 BOARD BOARD (Page 48) (Page 36) MAIN BOARD DMB03 (Page 48) BOARD...

  • Page 47: Schematic Diagram - Video, Regulator Board

    HCD-GN88D 7-17. SCHEMATIC DIAGRAM – VIDEO, REGULATOR Board –...

  • Page 48: Printed Wiring Boards - Main Board

    HCD-GN88D 7 - 1 8 . PRINTED WIRING BOARD – MAIN Board – • See page 24 for Circuit Boards Location. VIDEO DMB03 BOARD (FOR CHECK) (FOR CHECK) TUNER (Page 46) MAIN BOARD BOARD PACK (Page 36) DRIVER DMB03 SURROUND...

  • Page 49: Schematic Diagram - Main Board (1/4)

    HCD-GN88D 7-19. SCHEMATIC DIAGRAM – MAIN (1/4) Board –...

  • Page 50: Schematic Diagram - Main Board (2/4)

    HCD-GN88D 7-20. SCHEMATIC DIAGRAM – MAIN (2/4) Board –...

  • Page 51: Schematic Diagram - Main Board (3/4)

    HCD-GN88D 7-21. SCHEMATIC DIAGRAM – MAIN (3/4) Board –...

  • Page 52: Schematic Diagram - Main Board (4/4)

    HCD-GN88D 7-22. SCHEMATIC DIAGRAM – MAIN (4/4) Board – • See page 76 for Pin Function Description.

  • Page 53: Printed Wiring Boards - Game In, Cd Switch Board

    HCD-GN88D 7 - 2 3 . PRINTED WIRING BOARD – GAME IN, CD SWITCH Board – • See page 24 for Circuit Boards Location. GAME IN BOARD DISPLAY BOARD VOLUME BOARD (Page 55) PHONES • Semiconductor Location AMP MENU DISPLAY...

  • Page 54: Schematic Diagram - Game In, Cd Switch Board

    HCD-GN88D 7-24. SCHEMATIC DIAGRAM – GAME IN, CD SWITCH Board –...

  • Page 55: Printed Wiring Board - Display Board

    HCD-GN88D 7 - 2 5 . PRINTED WIRING BOARD – DISPLAY Board – • See page 24 for Circuit Boards Location. DISPLAY BOARD CD SWITCH BOARD (Page 53) TUNER/BAND TAPE A/B > –, > MD(VIDEO) ,ALBUM+ ,ALBUM– • Semiconductor Location GAME Ref.

  • Page 56: Schematic Diagram - Display Board

    HCD-GN88D 7 - 2 6 . SCHEMATIC DIAGRAM – DISPLAY Board – • See page 78 for Pin Function Description. MAIN BOARD (1/4) (Page 49) CD SWITCH BOARD (Page 54) VOLUME BOARD (Page 54)

  • Page 57: Printed Wiring Board - Power Amp Board

    HCD-GN88D 7 - 2 7 . PRINTED WIRING BOARDS – POWER AMP Board – • See page 24 for Circuit Boards Location. FRONT SPEAKER SURROUND CENTER (IMPEDANCE SPEAKER SPEAKER TM501 USE 6–16Ω) (IMPEDANCE USE 8Ω) (IMPEDANCE USE 8Ω) POWER AMP BOARD...

  • Page 58: Schematic Diagram - Power Amp Board

    HCD-GN88D 7-28. SCHEMATIC DIAGRAM – POWER AMP Board –...

  • Page 59: Printed Wiring Board - Surround Board

    HCD-GN88D 7 - 2 9 . PRINTED WIRING BOARDS – SURROUND Board – • See page 24 for Circuit Boards Location. POWER BOARD SURROUND BOARD (Page 57) (CHASSIS) POWER AMP BOARD (Page 57) • Semiconductor Location MAIN Ref. No. Location...

  • Page 60: Schematic Diagram - Surround Board

    HCD-GN88D 7-30. SCHEMATIC DIAGRAM – SURROUND Board –...

  • Page 61: Printed Wiring Boards - Trans Board

    HCD-GN88D 7 - 3 1 . PRINTED WIRING BOARDS – TRANS Board – • See page 24 for Circuit Boards Location. MAIN BOARD AC IN (Page 48) SUB TRANS BOARD • Semiconductor Location Ref. No. Location D971 D972 D973 D974...

  • Page 62: Schematic Diagram - Trans Board

    HCD-GN88D 7-32. SCHEMATIC DIAGRAM – TRANS Board –...

  • Page 63: Ic Block Diagram

    HCD-GN88D 7-33. IC Block Diagrams IC216 SN74ALVCH16841DGGR (DMB03 BOARD) IC252 TC7WH157FK (TE85R) (DMB03 BOARD) 56 1LE 11 7 11 6 SELECT EN G GND 4 LATCH 1D10 1Q10 LATCH 2D10 2Q10 29 2LE IC302 PCM1609KPTR (DMB03 BOARD) 32 31 30...
  • Page 64 HCD-GN88D IC509 CXD3068Q (DMB03 BOARD) 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 DVDD2 ASYE DIGITAL ASYMMETRY CORRECTOR DIGITAL DOUT LRCK D/A DIGITAL PCMD INTERFACE DEMODULATOR TES1 TEST1 ERROR...
  • Page 65 HCD-GN88D IC903 BR24C16F-E2 (DMB03 BOARD) 1 A0 16 K bit EEPROM ARRAY 11 bit 8 bit TEST 2 A1 ADDRESS SLAVE WORD DATA 11 bit DECODER ADDRESS REGISTER REGISTER START STOP 3 A2 CONTROL CIRCUIT HIGHT VOLTAGE POWER SUPPLY 4 GND...
  • Page 66 HCD-GN88D IC001 SP3723BDA0PM (RF BOARD) 64 63 62 61 60 59 55 54 53 52 FAST ATTACK INPUT OUTPUT HOLD FULL WAVE AGC CHARGE INHIBIT RECTIFER PUMP PROGRAMMABLE FROM S-PORT EQUALIZER INPUT DVDRFP FILTER BIAS DVDRFN DIFFERENTIATOR INPUT INPUT IMPEDANCE...
  • Page 67 HCD-GN88D IC710 NJM2244M-TE2 (VIDEO BOARD) IC721 M65850P (GAME IN BOARD) VIN1 OSCILLATOR LPF2 VOUT 75 Ω DRIVER 1/2 VCC CLOCK AUTO MAIN VIN2 BIAS 20KBIT RESET RESET CONTROL SRAM VIN3 (MUTE) LPF1 IC711 MM1568AJBE (VIDEO BOARD) VCC2 VCC1 BIAS 75Ω...

  • Page 68: Ic Pin Function Description

    HCD-GN88D 7-34. IC Pin Function Description • IC207 ZIVA5X-C1F (DVD SYSTEM PROCESSOR)(DMB03 BOARD) Pin No. Pin Name Description VDDP — Power supply terminal (+3.3V) (I/O signal) Address bus 3 to 11 HD15 to HD7 Data bus (address signal multiplexed) VDDP —...
  • Page 69 HCD-GN88D Discription Pin No. Pin Name GND25 — Ground terminal (SDRAM I/O signal) VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal) VCLK System clock (not used) XCK_I/O_SEL 5.1ch/downmix switch signal output S1 signal output I/P SW Progressive/interlace switch signal output...
  • Page 70 HCD-GN88D Pin Name Description Pin No. DAI_BCK BCK signal input from ADC (not used) DAI_LRCK LRCK signal input from ADC (not used) I2C_CL I2C clock bus I2C_DA I2C data bus CS(ZIVA_E2P) Chip select signal output to the EEPROM (IC204) RXD1...
  • Page 71 HCD-GN88D • IC701 TMC57929PGF-RDP (DVD DECODER) (DBM03 Board) Pin No. Pin Name Description 1, 2 D5, D6 Two-way data bus with CXP973064-226R — Ground Two-way data bus with CXP973064-226R Address signal input from CXP973064-226R — Power supply (+3.3V) Address signal input from CXP973064-226R VDD5V —...
  • Page 72 HCD-GN88D Pin No. Pin Name Description XPDI Not used (Pull up) VDDS — Power supply (+5V) 59, 60 HA0, HA2 Not used (Pull up) — Ground (open) 62, 63 HCS0, HCS1 Not used — Power supply (+3.3V) DASP Not used...
  • Page 73 HCD-GN88D Pin No. Pin Name Description 128, 129 VCCA3, VCCA2 — Power supply (+3.3V) Signal output from the charge pump for phase comparator PDHVCC Middle point voltage input terminal for RF PLL Signal output from the charge pump for frequency comparator...
  • Page 74 HCD-GN88D • IC901 CXP973064-226R (MECHANISM CONTROLLER) (DBM03 Board) Pin No. Pin Name Description NO_USE Not used (open) SDEN Serial data enable signal output to CXD1881AR DOCTRL/ Digital out on/off control signal output to CXD3068Q ISBTEST XRST_2753 Not used SDA_EEP Data bus with the EEPROM...
  • Page 75 HCD-GN88D Pin No. Pin Name Description CONTROL_1 Not used (open) GFS_DVD Guard frame sync signal input from CXD1882R MUTE_CD Muting on/off control signal output to CXD3068Q MUTE_2D Muting on/off control signal output to FAN8035L SLED Sled motor servo drive PWM signal input from CXD3068Q...
  • Page 76 HCD-GN88D • IC501 M30620MCN-A27FP (SYSTEM CONTOL) (MAIN Board) Pin No. Description Pin Name STEREO Stereo signal input from tuner ––––––––––––––––– TUNED Tuned signal input from tuner ST-CE Tuner chip enable signal output SIRCS SIRCS input ST-DOUT Tuner data output ST-DIN...
  • Page 77 HCD-GN88D Discription Pin No. Pin Name REC-MUTE REC mute signal output TC-MUTE TC line mute signal output PB-A/B TC A/B select signal output ––––––––––– ALC signal output TC-RELAY TC relay control signal output REC BIAS TC REC bias on/off signal output...
  • Page 78 HCD-GN88D • IC601 MB90M407PF-G-130-BND (DISPLAY CONTROL) (DISPLAY Board) Pin No. Pin Name Description 1 to 7 G7 to G1 FLD grid output 8 to 10 P1 to P3 FLD segment output VSS-IO — Ground 12 to 22 P4 to P14...

  • Page 79: Exploded Views

    HCD-GN88D SECTION 8 EXPLODED VIEWS NOTE: • Abbreviation • -XX and -X mean standardized parts, so they : Australian model may have some difference from the original The components identified by : 240 V AC Area in E model one.

  • Page 80: Front Panel Section

    A-4734-533-A GAME IN BOARD, COMPLETE(TH) 4-244-089-21 COVER (AL-STR) 1-796-487-31 DECK, MECHANICAL (CDM43RR23) 4-951-620-01 SCREW (2.6X8), +BVTP 4-243-609-01 BELT (AF) 4-963-404-21 EMBLEM (5-A), SONY 4-243-610-01 BELT (AL) 4-224-104-11 DAMPER 4-244-094-01 SPRING (L) 4-243-608-01 BELT (BR) 1-751-688-11 WIRE (FLAT TYPE) (13 CORE)

  • Page 81: Chassis Section

    HCD-GN88D 8-3. CHASSIS SECTION supplied supplied supplied F979 T910 F974 F978 F975 F976 F977 supplied supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No.

  • Page 82: Dvd Mechanism Deck Section-1 (Cdm74D-Dvbu43)

    HCD-GN88D 8-4. DVD MECHANISM DECK SECTION-1 (CDM74D-DVBU23) M741 chassis assy Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-218-253-21 SCREW (M2.6), +BTTP 4-243-820-01 GEAR (TABLE) 1-776-182-11 WIRE (FLAT TYPE) (5 CORE) 1-687-134-11 MOTOR (TB) BOARD 4-243-819-01 GEAR (GENEVA)

  • Page 83: Dvd Mechanism Deck Section-2 (Cdm74D-Dvbu43)

    HCD-GN88D 8-5. DVD MECHANISM DECK SECTION-2 (CDM74D-DVBU23) RE701 M751 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 84: Electrical Parts List

    HCD-GN88D SECTION 9 CD SWITCH DISPLAY ELECTRICAL PARTS LIST NOTE: Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks • SEMICONDUCTORS • Due to standardization, replacements in the The components identified by In each case, u: µ, for example:...
  • Page 85 HCD-GN88D DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C711 1-162-306-11 CERAMIC 0.01uF R114 1-249-419-11 CARBON 1.5K 1/4W F C712 1-162-306-11 CERAMIC 0.01uF R115 1-249-419-11 CARBON 1.5K 1/4W F R116 1-249-440-11 CARBON 1/4W < CONNECTOR >...
  • Page 86 HCD-GN88D DISPLAY DMB03 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R756 1-249-421-11 CARBON 2.2K 1/4W F C230 1-164-947-11 CERAMIC CHIP 0.01uF R757 1-247-843-11 CARBON 3.3K 1/4W C231 1-164-947-11 CERAMIC CHIP 0.01uF R758 1-249-425-11 CARBON 4.7K...
  • Page 87 HCD-GN88D DMB03 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C323 1-107-820-11 CERAMIC CHIP 0.1uF C701 1-126-209-11 ELECT CHIP 100uF C324 1-107-820-11 CERAMIC CHIP 0.1uF C702 1-117-370-11 CERAMIC CHIP 10uF C325 1-126-209-11 ELECT CHIP 100uF C703 1-125-777-11 CERAMIC CHIP 0.1uF...
  • Page 88 HCD-GN88D Ver 1.2 DMB03 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C901 1-126-209-11 ELECT CHIP 100uF < FILTER > C902 1-164-947-11 CERAMIC CHIP 0.01uF C903 1-126-209-11 ELECT CHIP 100uF FL203 1-234-177-21 FERRITE C904 1-164-947-11 CERAMIC CHIP 0.01uF...
  • Page 89 HCD-GN88D DMB03 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > R260 1-216-829-11 METAL CHIP 4.7K 1/10W R261 1-216-829-11 METAL CHIP 4.7K 1/10W L402 1-216-296-11 SHORT CHIP R262 1-216-864-11 METAL CHIP 1/10W L403 1-216-296-11 SHORT CHIP...
  • Page 90 HCD-GN88D DMB03 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R527 1-216-825-11 METAL CHIP 2.2K 1/10W R615 1-216-864-11 METAL CHIP 1/10W R528 1-216-864-11 METAL CHIP 1/10W R629 1-216-864-11 METAL CHIP 1/10W R529 1-216-839-11 METAL CHIP 1/10W...
  • Page 91 HCD-GN88D DMB03 DRIVER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R769 1-216-825-11 METAL CHIP 2.2K 1/10W R990 1-216-864-11 METAL CHIP 1/10W R770 1-216-864-11 METAL CHIP 1/10W R991 1-216-864-11 METAL CHIP 1/10W R776 1-216-864-11 METAL CHIP...
  • Page 92 HCD-GN88D DRIVER GAME IN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C751 1-162-306-11 CERAMIC 0.01uF C726 1-124-464-11 ELECT 0.22uF C752 1-164-159-11 CERAMIC 0.1uF C727 1-136-155-00 FILM 0.015uF C728 1-162-301-11 CERAMIC 0.0015uF 20% < CONNECTOR >...
  • Page 93 HCD-GN88D MAIN GAME IN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R727 1-249-431-11 CARBON 1/4W C158 1-136-159-00 FILM 0.033uF R728 1-249-431-11 CARBON 1/4W C159 1-126-960-11 ELECT R729 1-249-431-11 CARBON 1/4W C160 1-130-481-00 MYLAR 0.0068uF 5%...
  • Page 94 HCD-GN88D MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C385 1-126-964-11 ELECT 10uF C823 1-126-963-11 ELECT 4.7uF C386 1-162-968-11 CERAMIC CHIP 0.0047uF 10% C824 1-126-963-11 ELECT 4.7uF C387 1-162-968-11 CERAMIC CHIP 0.0047uF 10% C825 1-136-171-00 FILM 0.33uF...
  • Page 95 HCD-GN88D MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks D201 8-719-988-61 DIODE 1SS355TE-17 JR138 1-216-864-11 METAL CHIP 1/10W D202 8-719-988-61 DIODE 1SS355TE-17 JR390 1-216-864-11 METAL CHIP 1/10W D392 8-719-988-61 DIODE 1SS355TE-17 D393 8-719-988-61 DIODE 1SS355TE-17 <...
  • Page 96 HCD-GN88D MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > R329 1-216-833-11 METAL CHIP 1/10W R330 1-216-837-11 METAL CHIP 1/10W R101 1-216-825-11 METAL CHIP 2.2K 1/10W R332 1-216-832-11 METAL CHIP 8.2K 1/10W R102...
  • Page 97 HCD-GN88D MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R430 1-216-809-11 METAL CHIP 1/10W R581 1-216-809-11 METAL CHIP 1/10W R442 1-216-809-11 METAL CHIP 1/10W R582 1-216-809-11 METAL CHIP 1/10W R583 1-216-809-11 METAL CHIP 1/10W R443...
  • Page 98 HCD-GN88D MAIN MOTOR (LD) MOTOR (TB) POWER AMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R798 1-216-809-11 METAL CHIP 1/10W R860 1-216-841-11 METAL CHIP 1/10W R799 1-216-809-11 METAL CHIP 1/10W R861 1-216-833-11 METAL CHIP 1/10W...
  • Page 99 HCD-GN88D POWER AMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C525 1-162-306-11 CERAMIC 0.01uF Q518 8-729-119-79 TRANSISTOR 2SC2785TP-FEK C526 1-126-964-11 ELECT 10uF Q551 8-729-140-84 TRANSISTOR 2SC1841TP-PAFAEA Q581 8-729-140-84 TRANSISTOR 2SC1841TP-PAFAEA C527 1-162-306-11 CERAMIC 0.01uF C528 1-162-306-11 CERAMIC 0.01uF...
  • Page 100 HCD-GN88D POWER AMP REGULATOR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R568 1-249-429-11 CARBON 1/4W Q904 8-729-113-13 TRANSISTOR FA1A4M-T1L33 R569 1-249-437-11 CARBON 1/4W Q905 8-729-209-60 TRANSISTOR 2SB1375 R570 1-249-429-11 CARBON 1/4W Q906 8-729-113-13 TRANSISTOR FA1A4M-T1L33...
  • Page 101 HCD-GN88D SENSOR SUB TRANS Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks CN002 1-784-836-21 CONNECTOR,FFC(LIF(NON-ZIF))29P A-4734-889-A SUB TRANS BOARD, COMPLETE (MX) CN003 1-784-861-21 CONNECTOR, FFC(LIF(NON-ZIF))9P A-4734-967-A SUB TRANS BOARD, COMPLETE (AUS) A-4749-088-A SUB TRANS BOARD, COMPLETE <...
  • Page 102 HCD-GN88D SUB TRANS SURROUND Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TRANSFORMER > Q381 8-729-119-76 TRANSISTOR 2SA1175TP-HFE Q383 8-729-119-76 TRANSISTOR 2SA1175TP-HFE 0 T972 1-437-775-21 TRANSFORMER, POWER (EA,MX) 0 T972 1-437-751-12 TRANSFORMER, POWER (EXCEPT EA,MX)
  • Page 103 HCD-GN88D TRANS VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-687-669-11 SW BOARD C720 1-126-960-11 ELECT ******** C721 1-126-933-11 ELECT 100uF S751 1-786-514-11 SWITCH, LEVER (SLIDE) (LEVER) C722 1-164-156-11 CERAMIC CHIP 0.1uF ****************************************************** C723 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 104 HCD-GN88D VIDEO VOLUME Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks JR716 1-216-864-11 METAL CHIP 1/10W A-4732-868-A VOLUME BOARD, COMPLETE (EXCEPT TH) JR717 1-216-864-11 METAL CHIP 1/10W A-4734-534-A VOLUME BOARD, COMPLETE (TH) JR720 1-216-864-11 METAL CHIP...
  • Page 105 HCD-GN88D VOLUME Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R768 1-249-419-11 CARBON 1.5K 1/4W F 1-775-265-11 WIRE (FLAT TYPE) (29 CORE) R769 1-249-419-11 CARBON 1.5K 1/4W F R770 1-249-421-11 CARBON 2.2K 1/4W F 1-824-106-12 CABLE, FLEXIBLE FLAT (24 CORE)
  • Page 106 HCD-GN88D E Model Australian Model SERVICE MANUAL Ver 1.1 2003.08 SUPPLEMENT-1 File this supplement with the service manual. Subject: DVD OSD Test Mode 9-877-457-81...

  • Page 107: General Description

    HCD-GN88D DVD OSD Test Mode • Example display [GENERAL DESCRIPTION] ### Syscon Diagnosis ### The Test Mode allows you to make diagnosis and adjustment eas- ily using the remote commander and monitor TV. The instructions, Diag All Check diagnostic results, etc. are given on the on-screen display (OSD).
  • Page 108 HCD-GN88D Note: During adjustment of each disc, the measurement for disc type judg- 0-2-5. Region ment is made. As automatic adjustment does not judge the disc Model destination code is displayed. (2 digits number) type unlike conventional models, take care not to insert wrong type discs.
  • Page 109 HCD-GN88D 1-3. DVD-DL (dual layer) In using the manual operation menu, take care of the following points. These commands do not provide protection, thus requiring Press the key on the remote commander and insert a DVD correct operation. The sector address or time code field is dis- dual layer disc following the message.
  • Page 110 HCD-GN88D Mirr Count : The number of times which mirror counts between : Turn on/off the laser. disc surface and record surface when disc type judg- Focus : Search the focus and turn on the focus. ing. SPDL : Turn on/off the spindle.
  • Page 111 HCD-GN88D Focus Offset : Adjusts focus offset. EEPROM Data 2/2 CDRW DVDRW Focus Gain : Adjusts focus gain. Focus Gain TRK. Offset coares : Trk. Gain Adjusts tracking offset of the RF amp Focus Offset (IC001) side. Trk. Offset TRK. Offset fine :...
  • Page 112 HCD-GN88D 2-9. SACD Water Mark Check (Not used) xxxxhxxm : The laser on total hours. Data below minutes are omitted. : Error number. SACD Water Mark Check : Error code. : Not used. • Clearing History Information PSP AMP Clearing laser hours:...

  • Page 113: Version Information

    HCD-GN88D VERSION INFORMATION aa: Initialization is completed or not. : Complete. On the Test Mode Menu screen, selecting displays the ROM other number: Not complete. version and region code. bb: Operating status of mechanism deck at an error occurred. The parenthesized hexadecimal number in version field is (lod sq jcp) checksum value of ROM.
  • Page 114 HCD-GN88D REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2003.06...

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