Sony HCD-GX750 Service Manual
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Sony HCD-GX750 Service Manual

Sony mini hi-fi component system - service manual
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HCD-GX750/RG551/RX550
SERVICE MANUAL
Ver 1.0 2004. 04
• HCD-GX750/RG551/RX550 is the
tuner, deck, CD and amplifier
section in MHC-GX750/RG551S/
RX550.
AUDIO POWER SPECIFICATIONS
(HCD-GX750 USA model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz; rated 160 watts per channel
minimum RMS power, with no more than 10 %
total harmonic distortion from 250 milliwatts to
rated output.
Amplifier section
North American models:
HCD-GX750/RX550:
Front speaker
Continuous RMS power output (reference):
160 + 160 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 80 W)
Sub woofer
Continuous RMS power output (reference):
180 watts (6 ohms at
50 Hz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
50 Hz, 90 W)
Sony Corporation
9-877-777-01
2004D04-1
Home Audio Company
© 2004. 04
Published by Sony Engineering Corporation
(Photo: HCD-GX750)
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Name
Tape Deck Model Name Using Similar Machanism
Section
Tape Transport Mechanism Type
SPECIFICATIONS
Other models:
HCD-RG551:
The following measured at AC 120, 127, 220, 240 V,
50/60 Hz
Front speaker
DIN power output (rated): 100 + 100 watts
Continuous RMS power output (reference):
Sub woofer
DIN power output (rated): 100 watts (6 ohms at
Continuous RMS power output (reference):
Inputs
GAME INPUT AUDIO L/R (phono jacks):
GAME INPUT VIDEO (phono jack):
Outputs
PHONES (stereo mini jack):
MINI HI-FI COMPONENT SYSTEM
US Model
HCD-GX750/RX550
Canadian Model
HCD-GX750
E Model
HCD-RG551
NEW
CDM74-F1BD81
KSM-215DCP/C2NP
NEW
CWM43FF-05
(6 ohms at 1 kHz, DIN)
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
50 Hz, DIN)
120 watts (6 ohms at
50 Hz, 10% THD)
voltage 250 mV,
impedance 47 kilohms
1 Vp-p, 75 ohms
accepts headphones of
8 ohms or more
– Continued on next page –
1

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  • Page 1 SERVICE MANUAL US Model HCD-GX750/RX550 Ver 1.0 2004. 04 Canadian Model HCD-GX750 E Model HCD-RG551 • HCD-GX750/RG551/RX550 is the tuner, deck, CD and amplifier section in MHC-GX750/RG551S/ RX550. (Photo: HCD-GX750) Model Name Using Similar Mechanism CD Mechanism Type CDM74-F1BD81 Section...
  • Page 2 Approx. 280 × 327 × 425 mm Recording system 4-track 2-channel, stereo Mass Frequency response 50 – 13,000 Hz (±3 dB), North American models: using Sony TYPE I HCD-GX750/RX550: Approx. 10.5 kg cassettes Other models: HCD-RG551: Approx. 10.5 kg Tuner section...

  • Page 3: Leakage Test

    REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL IN SUPPLEMENTS PUBLISHED BY SONY. OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 4 HCD-GX750/RG551/RX550 The release method of a CD disc tray LOCK function NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT There is a disc lock function for the disc theft prevention for a demonstration at a shop front in this machine.

  • Page 5: Table Of Contents

    HCD-GX750/RG551/RX550 TABLE OF CONTENTS 1. SERVICE NOTE 5-7. Note for Printed Wiring Boards and Schematic Diagrams ..........31 1-1. Service Position-1 (AMP Board) ........6 5-8. Waveforms ................. 31 1-2. Service Position-2 (BD81A Board) ........6 5-9. Printed Wiring Board –CD Mechanism Section (1/2)– ..32 5-10.

  • Page 6: Service Position-1 (Amp Board)

    HCD-GX750/RG551/RX550 SECTION 1 SERVICING NOTE 1-1. SERVICE POSITION-1 (AMP BOARD) To inspect the AMP board, turn both of the front panel and the CD mechanism deck so that the left side of the product faces down. CD mechanism deck front panel AMP board 1-2.

  • Page 7: General

    HCD-GX750/RG551/RX550 SECTION 2 GENERAL This section is extracted from instruction manual.

  • Page 8: Remote Control

    HCD-GX750/RG551/RX550...

  • Page 9: Disassembly

    HCD-GX750/RG551/RX550 SECTION 3 DISASSEMBLY Note : Disassemble the unit in the order as shown below. 3-1. CASE (TOP) (Page 10) 3-2. CD DOOR (Page 10) 3-3. FRONT PANEL SECTION (Page 11) 3-4. CD MECHANISM DECK 3-5. TAPE MECHANISM DECK, 3-6.

  • Page 10: Case (Top)

    HCD-GX750/RG551/RX550 Note : Follow the disassembly procedure in the numerical order given. 3-1. CASE (TOP) qd two screws (+BVTP 3 × 10) qh case (top) 7 two screws (case 3 TP2) qs case (side-L) 9 screw (+BVTP 3 × 10)

  • Page 11: Front Panel Section

    HCD-GX750/RG551/RX550 3-3. FRONT PANEL SECTION 4 screw (+BVTP 3 × 8) qa CN314 1 CN805 3 CN823 8 screw (+BVTP 3 × 10) 5 screw (+BVTP 3 × 8) qs CN102 7 screw (+BVTP 3 × 10) qd CN103 0 CN309...

  • Page 12: Tape Mechanism Deck, Game Jack Board

    HCD-GX750/RG551/RX550 3-5. TAPE MECHANISM DECK, GAME JACK BOARD 3 tape mechanism deck 2 six screws (+BVTP 2.6 × 8) 1 connector 5 GAME JACK board 4 two screws (+BVTP 2.6 × 8) 3-6. PANEL BOARD 3 seven claws 1 eight screws 4 CN604 (+BVTP 2.6 ×...

  • Page 13: Back Panel Section, Sub Trans Board

    HCD-GX750/RG551/RX550 3-7. BACK PANEL SECTION, SUB TRANS BOARD qa back panel section 0 SUB TRANS board 3 CN901 9 two screws (+BVTP 3 × 10) 7 three screws (+BVTP 3 × 10) 2 CN906 1 CN904 6 two screws 5 CN308 (+BVTP 3 ×...

  • Page 14: Main Board

    HCD-GX750/RG551/RX550 3-9. MAIN BOARD 5 MAIN board 2 CN501 1 CN907 MAIN board 4 CN441 3 two screws (+BVTP 3 × 8) 3-10. SUB WOOFER BOARD 1 CN502 3 two screws (+BVTP 3 × 8) 2 two screws (transistor) 4 SUB WOOFER board...

  • Page 15: Amp Board

    HCD-GX750/RG551/RX550 3-11. AMP BOARD 2 two screws (+BVTP 4 × 8) 3 screw 4 screw (+BVTP 3 × 14) (+BVIT 3 × 8R ) 8 heat sink 6 two screws (transistor) 5 screw (+BVIT 3 × 8R ) 9 AMP board 1 CN905 3-12.

  • Page 16: Connect Board

    HCD-GX750/RG551/RX550 3-13. CONNECT BOARD 1 CN871 2 two screws (+BVTP 2.6 × 8 ) 3 CONNECT board 3-14. DRIVER BOARD, SW BOARD 1 two screws (+BTTP (M2.6)) 3 CN703 4 DRIVER board 5 screw (+BTTP (M2.6)) 6 SW board 2 CN702...

  • Page 17: Optical Pick-Up

    HCD-GX750/RG551/RX550 3-15. OPTICAL PICK-UP 1 floating screw (+PTPWH M2.6) 2 h older (213) ASSY 7 two insulators qd optical pick-up 6 two coil springs (KSM-215DCP/C2NP) (insulator) qa two insulators 0 two coil springs (insulator) 5 stopper (BU) 9 t wo stoppers (BU) 4 screw (BVTT M2.6)

  • Page 18: Motor (Tb) Board

    HCD-GX750/RG551/RX550 3-17. MOTOR (TB) BOARD 2 stopper 1 stopper 7 t able motor assy (M741) 3 CN742 8 MOTOR (TB) board 6 Remove the two solderings of motor. 5 two screws (+BTTP (M2.6)) 3-18. MOTOR (LD) BOARD 2 two screws (+BTTP (M2.6))

  • Page 19: Test Mode

    HCD-GX750/RG551/RX550 SECTION 4 TEST MODE [Change-over of AM Tuner Step between 9 kHz and 2) Error display 10 kHz] Disc error • A step of AM channels can be changed over between 9 kHz and Display Error 10 kHz. E00D01022...
  • Page 20 HCD-GX750/RG551/RX550 [PANEL Test Mode] [MC Test Mode] • All fluorecent segments and LEDs are tested. • This mode is used to test the function of the equalizer. • Keyboard check. Procedure: 1. Press ?/1 button to turn the set ON.
  • Page 21 HCD-GX750/RG551/RX550 [CD Repeat 5 Times Limit Release Mode] Procedure: Press ?/1 button to turn the set ON. Select the function “CD”. Press three buttons x , CD and ENTER simultaneously. The message “LIMIT OFF” is displayed. Press ?/1 button the set OFF.

  • Page 22: Diagrams

    HCD-GX750/RG551/RX550 SECTION 5 DIAGRAMS 5-1. IC PIN DESCRIPTIONS • IC101 CXD3059AR (RF AMP) (BD81A BOARD) Pin No. Pin Name Pin Description MIRR Mirror signal input/output Not used in this set. (Open) DFCT Defect signal input/output Not used in this set. (Open) Focus OK signal input/output Not used in this set.
  • Page 23 HCD-GX750/RG551/RX550 Pin No. Pin Name Pin Description FILO Master PLL (slave=digital PLL) filter signal output FILI Master PLL filter signal input Master PLL charge pump signal output AVDD5 — Analog power supply pin (+3.3 V) DDVROUT DC/DC converter signal output...
  • Page 24 HCD-GX750/RG551/RX550 Pin No. Pin Name Pin Description DATA Serial data signal input — Internal digital ground pin XLAT Latch signal input The serial data is latched at the falling edge CLOCK Serial data transfer clock signal input — Internal digital power supply pin (+3.3 V)
  • Page 25 HCD-GX750/RG551/RX550 • IC601 LC876996A-53H2-E (SYSTEM CONTROLLER) (PANEL BOARD) Pin No. Pin Name Pin Description O-MP3 CS CS signal output to CD digital processor O-MP3 LP MOTER LP signal output to CD digital processor and motor signal output I-MP3 ACK SOL-B...
  • Page 26 HCD-GX750/RG551/RX550 Pin No. Pin Name Pin Description STREAM-LED4/MOTOR Illumination LED control signal output STREAM-LED3/MP3-STB Illumination LED control signal output STREAM-LED2 Illumination LED control signal output STREAM-LED1 Illumination LED control signal output I-LC72121 DI Data signal input from tuner O-LC72121 CE...

  • Page 27: Block Diagram -Cd Section

    HCD-GX750/RG551/RX550 5-2. BLOCK DIAGRAM — CD SECTION — OPTICAL PICK-UP BLOCK (KSM-215DCP) DETECTOR DIGITAL RF AMP +1.7V SIGNAL PROCESSOR IC101 +3.3V IC301 PCMDI SDO0 3.3V IC303 IC303 LRCKI LRCKIA LRCK SFSY/LRCKIB VDDM PCMD SDIO BCKIA LD MOTOR DRIVER BCKI SBSY/BCKIB...

  • Page 28: Block Diagram -Main Section

    HCD-GX750/RG551/RX550 5-3. BLOCK DIAGRAM — MAIN SECTION — OVERLOAD/DC SUB WOOFER SECTION RELAY- SOUND PROCESSOR (Page 30) IC101 BUFFER GX750/RX550 JK441 IC102 RG551 MP3-STB RY441 POWER AMP CD-L 1 CDL VOUT1 SECTION IC441 (Page 27) CD-R R-CH VOUT2 R-CH SPEAKER...

  • Page 29: Block Diagram -Panel/Power Section

    HCD-GX750/RG551/RX550 5-4. BLOCK DIAGRAM — PANEL/POWER SECTION — SYSTEM CONTROLLER IC601(2/2) PT901 POWER TRANSFORMER S641-S650,SW601 GX750/RX550 FUNCTION STREM-LED1 DRIVER 25 KEY3 D401 Q610 LED610 S601-S608,S610-S612 FUNCTION VH– F908 RG551:E2,E3,E51 MODEL 27 KEY1 S901 STREM-LED3 DRIVER S621-S630 Q612 VOLTAGE LED612 FUNCTION...

  • Page 30: Block Diagram -Sub Woofer Section

    HCD-GX750/RG551/RX550 5-5. BLOCK DIAGRAM — SUB WOOFER SECTION — 5-6. CIRCUIT BOARDS LOCATION SENSOR board BD81A board IC501 RELAY+(+B) SW board MOTOR (TB) board PT-2 SW IN MOTOR (LD) board CN503 SWITCH Q502 CONTROL SW-IN DRIVER board MAIN SECTION SW-LIMITER...

  • Page 31: Note For Printed Wiring Boards And Schematic Diagrams

    HCD-GX750/RG551/RX550 5-7. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 5-8. WAVEFORMS Note on Printed Wiring Board: Note on Schematic Diagram: – PANEL Board – • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •...

  • Page 32: Printed Wiring Board -Cd Mechanism Section (1/2)

    HCD-GX750/RG551/RX550 5-9. PRINTED WIRING BOARD — CD MECHANISM SECTION (1/2) — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. M101 IC303 C305 C303 S101 R313 C257 R419 C315 R403 C316 C306 R352 M102 C313 R302...

  • Page 33: Schematic Diagram -Cd Mechanism Section (1/2)

    HCD-GX750/RG551/RX550 5-10. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 52 for IC Block Diagrams. CN101 R307 TP423 C125 TP304 C142 TP10 C307 C134 TP11 TP424 IC B/D C151 TP12 R143 TP13 TP14 C124 C141 TP102...

  • Page 34: Printed Wiring Boards -Cd Mechanism Section (2/2)

    HCD-GX750/RG551/RX550 5-11. PRINTED WIRING BOARDS — CD MECHANISM SECTION (2/2) — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. MAIN BOARD CN301 (Page 38) S751 CN751 (LEVER SW) • Semiconductor Location Ref. No. Location D701...

  • Page 35: Schematic Diagram -Cd Mechanism Section (2/2)

    HCD-GX750/RG551/RX550 5-12. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 52 for IC Block Diagrams. IC701 IC B/D R702 R701 D701 C715 CN704 C751 CN721 M751 IC712 IC B/D R712 R713 CN705 C752 CN751 D711 R711...

  • Page 36: Schematic Diagram -Main Section (1/2)

    HCD-GX750/RG551/RX550 5-13. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 53 for IC Block Diagram. CN309 Q371 R151 Q101 R391 R386 (Page 43) R385 R217 R219 R388 R152 R154 R153 R392 C235 R397 R216 R218 Q102 C175...

  • Page 37: Schematic Diagram -Main Section (2/2)

    HCD-GX750/RG551/RX550 5-14. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 53 for IC Block Diagrams. (Page 36) Q362 C270 R361 R362 R364 Q361 R363 R275 D316 R274 Q315 Q314 R323 C252 R253 R321 C312 R324 R322 R262...

  • Page 38: Printed Wiring Board -Main Section

    HCD-GX750/RG551/RX550 5-15. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. (Page 34) (Page 42) (Page 42) • Semiconductor Location Ref. No. Location JW146 D201 CN101 D202 JW108 Q313...

  • Page 39: Printed Wiring Boards -Panel Section

    HCD-GX750/RG551/RX550 5-16. PRINTED WIRING BOARDS — PANEL SECTION — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. IC610 (Page 42) (Page 38) SV-HCDGX750-PANEL Administrator (Page 42) (Page 42) • Semiconductor Location Ref. No. Location Ref. No.

  • Page 40: Schematic Diagram -Panel Section (1/2)

    HCD-GX750/RG551/RX550 5-17. SCHEMATIC DIAGRAM — PANEL SECTION (1/2) — • Refer to page 53 for IC Block Diagram. CN605 R704 R706 R708 R700 JW660 (Page 43) R702 JW659 Q610 Q612 Q611 Q614 Q615 Q613 R698 CN604 JW674 JW718 (Page 43)

  • Page 41: Schematic Diagram -Panel Section (2/2)

    HCD-GX750/RG551/RX550 5-18. SCHEMATIC DIAGRAM — PANEL SECTION (2/2) — • Refer to page 31 for Waveforms. FL601 CN603 JW812 R785 R783 R782 C623 R781 C622 R780 R779 R710 R712 LED601 (Page 43) R778 C620 R719 C621 R777 R776 R718 R772...

  • Page 42: Printed Wiring Boards -Jack Section

    HCD-GX750/RG551/RX550 5-19. PRINTED WIRING BOARDS — JACK SECTION — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. (Page 39) (Page 38) (Page 39) (Page 38) (Page 39) (Page 32) • Semiconductor Location J803 Ref. No.

  • Page 43: Schematic Diagram -Jack Section

    HCD-GX750/RG551/RX550 5-20. SCHEMATIC DIAGRAM — JACK SECTION — CN874 C830 C831 S660 SW601 CN804 J801 JW876 CN871 (Page 36) (Page 36) FB871 JW875 R673 JW878 C832 JW877 FB872 JW871 W803 JW872 CN873 JW873 CN606 CN607 JW874 (Page 33) JW879 (Page 41)

  • Page 44: Printed Wiring Board -Sub Woofer Section

    HCD-GX750/RG551/RX550 5-21. PRINTED WIRING BOARD — SUB WOOFER SECTION — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. (Page 46) (Page 49) (Page 38) • Semiconductor Location Ref. No. Location D501 D502 D503 D504 D-10...

  • Page 45: Schematic Diagram -Sub Woofer Section

    HCD-GX750/RG551/RX550 5-22. SCHEMATIC DIAGRAM — SUB WOOFER SECTION — IC501 R517 R518 Q507 R516 R519 Q502 R530 CN503 C508 R507 R510 R511 C505 C516 JW501 R508 Q501 C507 R531 C502 R529 C503 R501 D507 R509 R513 CN501 R504 C513 R502...

  • Page 46: Printed Wiring Board -Power Amp Section (Gx750/Rx550)

    HCD-GX750/RG551/RX550 5-23. PRINTED WIRING BOARD — POWER AMP SECTION (GX750/RX550) — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. • Semiconductor Location Ref. No. Location D401 D402 D441 D442 D443 D444 D445 D446 D481 D482...

  • Page 47: Printed Wiring Boards -Transformer Section (Gx750/Rx550)

    HCD-GX750/RG551/RX550 5-24. PRINTED WIRING BOARDS — TRANSFORMER SECTION (GX750/RX550) — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. LP903 D904 D905 JW911 CN906 CN902 D902 D903 CN904 D901 R902 C911 C906 Q902 R908 D908 C909...

  • Page 48: Schematic Diagram -Power Section (Gx750/Rx550)

    HCD-GX750/RG551/RX550 5-25. SCHEMATIC DIAGRAM — POWER SECTION (GX750/RX550) — C461 R467 R496 D445 L441 R449 RY441 C441 R474 R411 R441 JK441 R461 Q491 JW441 R462 IC441(1/2) R466 R465 C445 JW403 L442 C451 R455 R472 R473 TH441 D443 R485 C453 Q483...

  • Page 49: Printed Wiring Board -Power Amp Section (Rg551)

    HCD-GX750/RG551/RX550 5-26. PRINTED WIRING BOARD — POWER AMP SECTION (RG551) — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. • Semiconductor Location Ref. No. Location D401 D441 D442 D443 D481 D482 D483 IC441 Q441 Q442...

  • Page 50: Printed Wiring Boards -Transformer Section (Rg551)

    HCD-GX750/RG551/RX550 5-27. PRINTED WIRING BOARDS — TRANSFORMER SECTION (RG551) — • Refer to page 30 for Circuit Boards Location. : Uses unleaded solder. (Page 49) (Page 38) • Semiconductor Location Ref. No. Location D901 D902 D903 D904 D905 D906 C-12...

  • Page 51: Schematic Diagram -Power Section (Rg551)

    HCD-GX750/RG551/RX550 5-28. SCHEMATIC DIAGRAM — POWER SECTION (RG551) — JW403 L441 R451 RY441 C441 R441 R461 JW441 IC441(1/2) C445 R413 R462 R466 R465 R411 TH441 L442 R447 D443 EP491 Q483 JK441 R483 R485 C451 Q481 R455 Q482 Q441 R445 R467...

  • Page 52: Ic Block Diagrams

    HCD-GX750/RG551/RX550 5-29. IC BLOCK DIAGRAMS IC301 TC94A34FG-002 (BD81A BOARD) IC251 BA5947FM (BD81A BOARD) CH4OUTR CH1PUTF CH1OUTR CH4OUTF LRCKIA CH3OUTF CH2OUTF PIN26 6.5k CH2OUTR CH3OUTR BCKIA Vref POWVCC POWVCC (ch3, 4) (ch1, 2) 50k 50k 50k 50k SDI0 MUTE CNF4 50k 50k...
  • Page 53 HCD-GX750/RG551/RX550 IC101 BD3401KS2 (MAIN BOARD) TNF2 VOLOUT2 BASS MIDDLE TREBLE TNF1 BBNF2 SUR1 BBIN2 BASS MIDDLE TREBLE SURROUND SUR2 fc=100HZ LINEOUT2 LINEOUT1 BUFFER MIC MIX SAOUT2 VOCAL FADER SWOUT SAOUT1 FILTER 1/2 Vcc GAME L GAME R TUNER L INPUT...

  • Page 54: Exploded Views

    HCD-GX750/RG551/RX550 SECTION 6 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Accessories are given in the last of this The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied.

  • Page 55: Front Panel Section (1)

    HCD-GX750/RG551/RX550 6-2. FRONT PANEL SECTION (1) not supplied (REM board) FL601 not supplied not supplied (GAME JACK board) not supplied not supplied not supplied (H/P JACK board) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-951-620-01 SCREW (2.6X8), +BVTP...

  • Page 56: Front Panel Section (2)

    HCD-GX750/RG551/RX550 6-3. FRONT PANEL SECTION (2) not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-231-841-01 SPRING (HEART CAM-B) 4-231-824-01 CAM (A), HEART 4-231-825-01 CAM (B), HEART 4-231-836-01 SPRING (HEART CAM-A)

  • Page 57: Front Panel Section (3)

    HCD-GX750/RG551/RX550 6-4. FRONT PANEL SECTION (3) not supplied not supplied not supplied supplied not supplied (6 STREAM LED board) not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description...

  • Page 58: Main Board Section

    HCD-GX750/RG551/RX550 6-5. MAIN BOARD SECTION not supplied not supplied PT901 not supplied (TRANS board) F905 F906 F908 F909 F907 F904 not supplied The components identified by Les composants identifiés par une mark 0 or dotted line with mark marque 0 sont critiques pour 0 are critical for safety.

  • Page 59: Cd Mechanism Section (1)

    HCD-GX750/RG551/RX550 6-6. CD MECHANISM SECTION (1) (CDM74-F1BD81) M741 CD mechanism deck section-2 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) 4-243-819-01 GEAR (GENEVA)

  • Page 60: Cd Mechanism Section (2)

    HCD-GX750/RG551/RX550 6-7. CD MECHANISM SECTION (2) (CDM74-F1BD81) RE701 M751 S101 not supplied (CONNECT board) not supplied FC901 The components identified by Les composants identifiés par une mark 0 or dotted line with mark marque 0 sont critiques pour 0 are critical for safety.

  • Page 61: Electrical Parts List

    HCD-GX750/RG551/RX550 SECTION 7 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • SEMICONDUCTORS The components identified by mark 0 or dotted line with mark the parts list may be different from the In each case, u : µ, for example: 0 are critical for safety.
  • Page 62 HCD-GX750/RG551/RX550 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > R447 1-247-873-91 CARBON 1/4W (GX750/RX550) IC441 6-600-169-01 IC STK412-240 (GX750/RX550) R448 1-247-871-91 CARBON 1/4W IC441 6-600-221-01 IC STK403-130 (RG551) (RG551) R448 1-247-873-91 CARBON 1/4W <...
  • Page 63 HCD-GX750/RG551/RX550 BD81A Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R478 1-249-429-11 CARBON 1/4W C151 1-128-995-21 ELECT CHIP 100uF (GX750/RX550) C161 1-164-360-11 CERAMIC CHIP 0.1uF R481 1-247-847-91 CARBON 4.7K 1/4W C162 1-164-360-11 CERAMIC CHIP 0.1uF R482...
  • Page 64 HCD-GX750/RG551/RX550 BD81A CONNECT DRIVER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC251 6-705-808-01 IC BA5947FM R407 1-216-809-11 METAL CHIP 1/10W IC301 6-705-365-01 IC TC94A34FG-002 R408 1-216-809-11 METAL CHIP 1/10W IC303 6-705-807-01 IC BH15FB1WG R409 1-216-809-11 METAL CHIP...
  • Page 65 HCD-GX750/RG551/RX550 DRIVER GAME JACK H/P JACK MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > A-4752-167-A MAIN BOARD, COMPLETE ********************* IC701 8-759-598-69 IC BA6956AN IC712 8-759-598-69 IC BA6956AN 7-685-872-09 SCREW +BVTT 3X8 (S) <...
  • Page 66 HCD-GX750/RG551/RX550 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C153 1-130-475-00 MYLAR 0.0022uF 5% C265 1-162-971-11 CERAMIC CHIP 0.001uF C154 1-131-700-31 FILM 0.47uF C266 1-162-971-11 CERAMIC CHIP 0.001uF C157 1-126-960-11 ELECT C267 1-162-971-11 CERAMIC CHIP 0.001uF...
  • Page 67 HCD-GX750/RG551/RX550 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D305 6-500-522-21 DIODE 10EDB40-TB3 Q311 8-729-142-46 TRANSISTOR 2SC2001-LK D306 6-500-522-21 DIODE 10EDB40-TB3 Q312 8-729-041-19 TRANSISTOR 2SA953-T-K D307 6-500-522-21 DIODE 10EDB40-TB3 Q313 8-729-120-28 TRANSISTOR 2SC1623-L5L6 D308 6-500-522-21 DIODE 10EDB40-TB3...
  • Page 68 HCD-GX750/RG551/RX550 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R153 1-216-833-11 METAL CHIP 1/10W R221 1-216-837-11 METAL CHIP 1/10W R154 1-216-833-11 METAL CHIP 1/10W R222 1-216-830-11 METAL CHIP 5.6K 1/10W R155 1-216-829-11 METAL CHIP 4.7K...
  • Page 69 HCD-GX750/RG551/RX550 MAIN MOTOR (LD) MOTOR (TB) PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R345 1-216-833-11 METAL CHIP 1/10W A-4751-531-A PANEL BOARD, COMPLETE (GX750) R346 1-216-821-11 METAL CHIP 1/10W A-4751-540-A PANEL BOARD, COMPLETE (RG551) R347...
  • Page 70 HCD-GX750/RG551/RX550 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < CONNECTOR > < TRANSISTOR > CN601 1-784-751-11 CONNECTOR, FFC 29P Q601 8-729-116-57 TRANSISTOR 2SB1068-K CN602 1-784-774-11 CONNECTOR, FFC 13P Q602 8-729-140-04 TRANSISTOR 2SB1116A-L CN603 1-784-778-11 CONNECTOR, FFC 17P...
  • Page 71 HCD-GX750/RG551/RX550 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R645 1-216-823-11 METAL CHIP 1.5K 1/10W R710 1-216-833-11 METAL CHIP 1/10W R646 1-216-823-11 METAL CHIP 1.5K 1/10W R711 1-216-833-11 METAL CHIP 1/10W R647 1-216-825-11 METAL CHIP 2.2K...
  • Page 72 HCD-GX750/RG551/RX550 PANEL SENSOR SUB TRANS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R766 1-216-845-11 METAL CHIP 100K 1/10W S630 1-762-875-21 SWITCH, KEYBOARD (REC PAUSE/START) R767 1-216-845-11 METAL CHIP 100K 1/10W S641 1-762-875-21 SWITCH, KEYBOARD (GROOVE)
  • Page 73 HCD-GX750/RG551/RX550 SUB TRANS SUB WOOFER TRANS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > < RESISTOR > 0 S901 1-786-055-21 SELECTOR, VOLTAGE (VOLTAGE SELECTOR) R501 1-247-871-91 CARBON 1/4W (E2,E3,E51) R502 1-247-871-91 CARBON 1/4W...
  • Page 74 HCD-GX750/RG551/RX550 TRANS VIDEO OUT 6 STREAM LED Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C925 1-136-165-00 FILM 0.1uF < ROTARY ENCODER > C926 1-164-159-11 CERAMIC 0.1uF S660 1-418-632-11 ENCODER, ROTARY (MASTER VOLUME) < CONNECTOR >...
  • Page 75 HCD-GX750/RG551/RX550 MEMO...
  • Page 76 HCD-GX750/RG551/RX550 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2004. 04...

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