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Sony HCD-GX355 Service Manual
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Sony HCD-GX355 Service Manual

Compact disc deck receiver
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SERVICE MANUAL
Ver. 1.2 2005.05
HCD-GX355 is the amplifier, CD player, tape deck
and tuner section in MHC-GX355.
HCD-GX555 is the amplifier, CD player, tape deck
and tuner section in MHC-GX555.
HCD-RG270 is the amplifier, CD player, tape deck
and tuner section in MHC-RG270.
HCD-RG475 is the amplifier, CD player, tape deck
and tuner section in MHC-RG475S.
HCD-RG575 is the amplifier, CD player, tape deck
and tuner section in MHC-RG575S.
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Base Unit Name
Optical Pick-up Block Name
TAPE
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
Amplifier section
AUDIO POWER SPECIFICATIONS
(HCD-GX555/GX355 USA model only)
HCD-GX555
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 145 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
HCD-GX355
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 150 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
Sony Corporation
9-879-533-03
Personal Audio Group
2005E05-1
Published by Sony Engineering Corporation
© 2005.05
Photo: HCD-RG575
NEW
CDM74KFS-F1BD81C (Except Mexican model)/
CDM74KFS-F1BD84 (Mexican model)
BU-F1BD81C (Except Mexican model)/BU-F1BD84 (Mexican model)
KSM-215DCP
NEW
CWM43FF13

SPECIFICATIONS

North American model:
HCD-GX555
Front speaker
Continuous RMS power output (reference):
145 + 145 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):
170 watts (6 ohms at
80 Hz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
80 Hz, 90 W)
HCD-GX355
Continuous RMS power output (reference):
150 + 150 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 80 W)
COMPACT DISC DECK RECEIVER
HCD-GX355/GX555/
RG270/RG475/RG575
Canadian Model
Australian Model
HCD-RG270/RG475/RG575
European and Russian models:
HCD -RG475
Front speaker
DIN power output (rated): 110 + 110 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
140 + 140 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
280 + 280 watts (6 ohms at
1 kHz, 10% THD)
Sub woofer
DIN power output (rated): 130 watts (6 ohms at
80 Hz, DIN)
Continuous RMS power output (reference):
160 watts (6 ohms at
80 Hz, 10% THD)
Music power output (reference):
320 watts (6 ohms at
80 Hz, 10% THD)
HCD -RG270
DIN power output (rated): 80 + 80 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
100 + 100 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
200 + 200 watts (6 ohms at
1 kHz, 10% THD)
– Continued on next page –
US Model
HCD-GX355/GX555
AEP Model
UK Model
HCD-RG270/RG475
E Model

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Summary of Contents for Sony HCD-GX355

  • Page 1: Specifications

    Canadian Model Ver. 1.2 2005.05 HCD-GX355/GX555 AEP Model UK Model Australian Model HCD-GX355 is the amplifier, CD player, tape deck HCD-RG270/RG475 and tuner section in MHC-GX355. E Model HCD-GX555 is the amplifier, CD player, tape deck and tuner section in MHC-GX555.
  • Page 2 4-track 2-channel, stereo HCD-RG4 75 Power consumption Frequency response 50 – 13,000 Hz (±3 dB), Front speaker USA model: using Sony TYPE I The following measured at AC 120, 127, 220, 240 V cassettes HCD -GX555: 285 watts 50/60 Hz HCD -GX355:...
  • Page 3 FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS • Usable with ordinary solder QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT It is best to use only unleaded solder but unleaded solder may DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 4: Table Of Contents

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 TABLE OF CONTENTS SERVICING NOTES EXPLODED VIEWS ..........5 7-1. Overall Section ..............66 GENERAL 7-2. Back Panel Section ............67 ..............6 7-3. Front Panel Section ............68 7-4. Key Section ..............69 DISASSEMBLY 7-5. Chassis Section ..............70 3-1.

  • Page 5: Servicing Notes

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 SECTION 1 SERVICING NOTES MODEL IDENTIFICATION NOTES ON HANDLING THE OPTICAL PICK-UP – Back Panel – BLOCK OR BASE UNIT Model number label The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc.

  • Page 6: General

    HCD-GX355/GX555/RG270/RG475/RG575 SECTION 2 This section is extracted from instruction manual. GENERAL • Location of Controls Main unit ALPHABETICAL ORDER BUTTON DESCRIPTIO ?/1 (power) 1 A – O P – Z X (pause) qs ALBUM +/– qs P FILE 4 x (stop) qs AUDIO IN wl PHONES jack w;...
  • Page 7 HCD-GX355/GX555/RG270/RG475/RG575 Remote control ALPHABETICAL ORDER BUTTON DESCRIPT ?/1 (power) 1 A – E F – Z m/M (rewind/fast forward) ALBUM + qa FM MODE 4 ALBUM – qd FUNCTION 6 N (play) 8 CD qk PLAY MODE w; X (pause) 8...

  • Page 8: Disassembly

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 SECTION 3 DISASSEMBLY This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CASE (TOP) (Page 9) 3-3. DOOR (CD) (Page 9) 3-4. FRONT PANEL SECTION (Page 10) 3-6. CD MECHANISM DECK 3-5. MECHANICAL DECK...

  • Page 9: Case (Top)

    HCD-GX355/GX555/RG270/RG475/RG575 Note: Follow the disassembly procedure in the numerical order given. 3-2. CASE (TOP) 0 case (top) 5 two screws (B3) 6 case (side-R) 7 two screws 2 two screws (B3) 4 three screws (case 3 TP2) 3 case (side-R)

  • Page 10: Front Panel Section

    HCD-GX355/GX555/RG270/RG475/RG575 3-4. FRONT PANEL SECTION Abbreviation AR : Argentina model E2 : 120V AC Area in E model E51 : Chilean and Peruvian models MX : Mexican model 1 connector (CN061) (E2, E51, AR, MX) 5 connector (CN066) 8 screw (B3)

  • Page 11: Cd Mechanism Deck

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 3-6. CD MECHANISM DECK (CDM74KFS-F1BD81C (EXCEPT MX MODEL)/CDM74KFS-F1BD84 (MX MODEL)) 7 CD mechanism deck (CDM74KFS-F1BD81C (except MX)/CDM74KFS-F1BD84 (MX)) (MX) 6 connector (CN1004) 1 three screws (B3) (MX) 5 wire (flat type) (13 core) (CN331) Abbreviation MX : Mexican model...

  • Page 12: Main Board

    HCD-GX355/GX555/RG270/RG475/RG575 3-8. MAIN BOARD 4 connector (CN441) 5 MAIN board MAIN board 1 connector (CN907) 2 connector 3 two screws (B3) (CN905) 3-9. BD BOARD/CD BOARD 2 screw (+BVTP 2.6 Abbreviation MX : Mexican model 4 BD board (MX)/ CD board (except MX) 1 wire (flat type) (16 core) (CN101) Remove soldering from the four points.

  • Page 13: Driver Board, Sw Board

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 3-10. DRIVER BOARD, SW BOARD 1 two screws (+BTTP (M2.6)) 3 connector 4p (CN703) 4 DRIVER board 5 screw (+BTTP (M2.6)) 6 SW board 2 wire (flat type) 5p (CN702) 3-11. OPTICAL PICK-UP (KSM-215DCP) Abbreviation MX : Mexican model 1 floating screw (+PTPWH M2.6)

  • Page 14: Sensor Board

    HCD-GX355/GX555/RG270/RG475/RG575 3-12. SENSOR BOARD 1 floating screw (+PTPWH M2.6) 2 t ray 8 s crew (+BTTP (M2.6)) 3 b elt (table) 0 SENSOR board 4 floating screw (+PTPWH M2.6) 5 p ulley (table) 6 floating screw 9 connector (+PTPWH M2.6)

  • Page 15: Motor (Ld) Board

    HCD-GX355/GX555/RG270/RG475/RG575 3-14. MOTOR (LD) BOARD 2 two screws (+BTTP (M2.6)) 4 Remove the two solderings of motor. 3 MOTOR (LD) board 5 l oading motor assy (M751) 1 b elt (loading)

  • Page 16: Test Mode

    HCD-GX355/GX555/RG270/RG475/RG575 SECTION 4 TEST MODE MC COLD RESET AMP TEST MODE The cold reset clears all data including preset data stored in the This mode is used to display the parameter of amplifier IC and RAM to initial conditions. Execute this mode when returning the display the VACS status.
  • Page 17 HCD-GX355/GX555/RG270/RG475/RG575 AGING MODE 3. Tape Deck Section The sequence during the aging mode is following as below. This mode can be used for operation check of CD section and tape If an error occurred, stop display that step. deck section.
  • Page 18 HCD-GX355/GX555/RG270/RG475/RG575 MC TEST MODE 1. Mechanism Deck Error Code Mode When this mode is entered, mechanism deck error code is displayed This mode is used to check operations of microprocessor. with the 10-character format on the fluorescent indicator tube. Procedure: 1.
  • Page 19 HCD-GX355/GX555/RG270/RG475/RG575 The 7th and 8th digit from the left indicates: The 5th and 6th digit from the left indicates: (Motor status display) (Error step display) The 7th and 8th digit from the left indicates which motor output The 5th and 6th digit from the left indicates which processing when status when an error occurred is indicated.

  • Page 20: Electrical Adjustment

    HCD-GX355/GX555/RG270/RG475/RG575 SECTION 5 ELECTRICAL ADJUSTMENTS CD SECTION RF signal waveform VOLT/DIV : 200mV Note: TIME/DIV : 500ns 1. CD Block is basically designed to operate without adjustment. Therefore, check each item in order given. 2. Use YEDS-18 (3-702-101-01) unless otherwise indicated.

  • Page 21: Diagrams

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – CD SERVO Section – FILTER CD DSP XTSL IC101 (1/2) (EXCEPT MX) XTAO IC101 (1/2) (MX) CLOCK X171 51 53 50 52 DETECTOR XTAI CD +3V GENERATOR 16.9344MHz XTACN CD-L...

  • Page 22: Block Diagram - Audio/Video Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 6-2. BLOCK DIAGRAM – AUDIO/VIDEO Section – (MX) VR801 MIC LEVEL (MX) JK801 CD GRAPHICS MIC AMP MIC AMP DECODER MIC 1 IC801 (1/2) IC801 (2/2) IC1001 MUTING (MX) J803 SBSO VIDEO AMP Q801 3 DATA VOUT...

  • Page 23: Block Diagram - Amp Section

    HCD-GX355/GX555/RG270/RG475/RG575 6-3. BLOCK DIAGRAM – AMP Section – HP IN (Page 22) DBFB J701 R-CH (Page 22) R-CH PHONES JK441 POWER VOL OUT1 BUFFER (Page 22) IC251 IC441 – FRONT SPEAKER IMPEDANCE MUTING R-CH USE 6 – 16Ω Q251 –...

  • Page 24: Block Diagram - Panel, Power Supply Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 6-4. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section – FL/LED DRIVER SYSTEM CONTROLLER IC701 IC901 (4/4) • Abbreviation E2 : 120V AC Area in E model S1 – S21 FL701 (MX) 36 I-VFD-DATA E3 : 240V AC Area in E model...
  • Page 25 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 • Note For Printed Wiring Boards and Schematic Diagrams • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: CD-G board (MX) • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. (p: pF) •...

  • Page 26: Printed Wiring Board - Cd Board - (Except Mx Model)

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 • See page 25 for Circuit Boards Location. 6-5. PRINTED WIRING BOARD – CD Board – (Except MX model) : Uses unleaded solder. CD BOARD CD BOARD M101 (SPINDLE) (COMPONENT SIDE) (CONDUCTOR SIDE) IC303 S101 (LIMIT) C302...

  • Page 27: Schematic Diagram - Cd Board - (Except Mx Model)

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 6-6. SCHEMATIC DIAGRAM – CD Board – (Except MX model) • See page 50 for Waveforms. • See page 50 for IC Block Diagrams. C131 100p TP423 IOP1 C142 1500p C134 C125 R131 R121 R143 C151 TP10...

  • Page 28: Printed Wiring Board - Bd Board - (Mx Model)

    HCD-GX355/GX555/RG270/RG475/RG575 • See page 25 for Circuit Boards Location. 6-7. PRINTED WIRING BOARD – BD Board – (MX model only) : Uses unleaded solder. BD BOARD M101 (COMPONENT SIDE) BD BOARD (SPINDLE) S101 (CONDUCTOR SIDE) (LIMIT) C302 IC303 C305 C303...

  • Page 29: Schematic Diagram - Bd Board - (Mx Model)

    HCD-GX355/GX555/RG270/RG475/RG575 6-8. SCHEMATIC DIAGRAM – BD Board – (MX model only) • See page 50 for Waveforms. • See page 50 for IC Block Diagrams. C131 100p TP423 IOP1 C142 1500p C134 C125 R131 R121 R143 C151 TP10 R203 C143 3.3k...

  • Page 30: Printed Wiring Boards - Changer Section

    HCD-GX355/GX555/RG270/RG475/RG575 • See page 25 for Circuit Boards Location. 6-9. PRINTED WIRING BOARDS – CHANGER Section – : Uses unleaded solder. • Semiconductor Location Ref. No. Location D701 SENSOR BOARD SW BOARD D711 IC701 IC712 IC731 CN751 Q731 IC731 S751...

  • Page 31: Schemtic Diagram - Changer Setion

    HCD-GX355/GX555/RG270/RG475/RG575 6-10. SCHEMATIC DIAGRAM – CHANGER Section – • See page 50 for IC Block Diagrams. LOADING MOTOR DRIVE IC701 BA6956AN R702 R701 CN721 CN704 LM-2 LM-2 D701 M751 C751 LM-1 LM-1 MTZJ-T-77 0.01 (LOADING) 5.1A S711 DISC TRAY ADDRESS DETECT...

  • Page 32: Printed Wiring Board - Main Board

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 • See page 25 for Circuit Boards Location. 6-11. PRINTED WIRING BOARD – MAIN Board – : Uses unleaded solder. • Semiconductor Location Ref. No. Location (EXCEPT MX) (MX) BD BOARD CD-G BOARD CD BOARD DRIVER BOARD...

  • Page 33: Schematic Diagram - Main Board (1/3)

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 6-12. SCHEMATIC DIAGRAM – MAIN Board (1/3) – • See page 50 for Waveforms. • See page 60 for IC Pin Function Description. (1/3) R1971 (AEP,UK,EE,E2,E51,AR) R1972 (US,CND,AEP,UK,EE,RU,E2,E51,AR) R1973 (AEP,UK,EE,RU,EA,MX) R1974 (EXCEPT E3,EA,AUS,SP) R1976 (GX555,RG475) R1977 (GX355,RG270)

  • Page 34: Schematic Diagram - Main Board (2/3)

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 6-13. SCHEMATIC DIAGRAM – MAIN Board (2/3) – • See page 50 for Waveforms. • See page 50 for IC Block Diagrams. (Page 33) (2/3) Q111,112 BAND-PASS FILTER (E2,E51,MX,AR) C114 (Page 41) CN066 R107 R108 Q112 R116...

  • Page 35: Schematic Diagram - Main Board (3/3)

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 6-14. SCHEMATIC DIAGRAM – MAIN Board (3/3) – (Page 33) CN381 (3/3) 11P(AEP,UK,EE) 15P(EXCEPT AEP,UK,EE) RDS DATA RDS CLK ANTENNA JW040 (AEP,UK,EE) +3.3V TU-MUTE R384 T-MU FN 75Ω TUNER-R TU-R COAXIAL FM/AM ∗R251,252 TUNER PACK RG270:AEP,UK,EE,RU/ TUNER-L...

  • Page 36: Printed Wiring Board - Power Board

    HCD-GX355/GX555/RG270/RG475/RG575 • See page 25 for Circuit Boards Location. 6-15. PRINTED WIRING BOARD – POWER Board – : Uses unleaded solder. JK441 SPEAKER IMPEDANCE USE 6 – 16Ω – – POWER BOARD (AEP, UK, EE, RU) (AEP, UK, EE, RU)

  • Page 37: Schematic Diagram -Power Board

    HCD-GX355/GX555/RG270/RG475/RG575 6-16. SCHEMATIC DIAGRAM – POWER Board – R447 JW422 C441 R441 JW401 2.2k L441 R461 R411 R413 R412 IC441(1/2) STK403-130 L442 JR441 C445 100p R462 R414 R497 R466 R465 Q481,482 Q483,484 R451 100k 100k R416 R415 0.22 DC DETECT...

  • Page 38: Printed Wiring Board - Sub Woofer Board - (Gx555/Rg475/Rg575 Only)

    HCD-GX355/GX555/RG270/RG475/RG575 • See page 25 for Circuit Boards Location. 6-17. PRINTED WIRING BOARD – SUB WOOFER Board – (GX555/RG475/RG575 only) : Uses unleaded solder. JK501 SUB WOOFER OUT IMPEDANCE USE 6– 16Ω SUB WOOFER – BOARD JK501 R527 IC501 R512...

  • Page 39: Schematic Diagram - Sub Woofer Board - (Gx555/Rg475/Rg575 Only)

    HCD-GX355/GX555/RG270/RG475/RG575 6-18. SCHEMATIC DIAGRAM – SUB WOOFER Board – (GX555/RG475/RG575 only) POWER AMP IC501 STK404-130 Q507 2SC3052 TEMPERATURE DETECT R511 R506 0.22 R530 R507 C508 4.7k 220p JW521 R510 0.22 R508 C507 4.7k R513 JR501 C516 C505 C502 C513 Q501...

  • Page 40: Printed Wiring Boards - Audio, Mic, Headphone Boards

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 • See page 25 for Circuit Boards Location. 6-19. PRINTED WIRING BOARDS – AUDIO IN, MIC, HEADPHONE Boards – : Uses unleaded solder. MAIN BOARD (Page 32) MIC BOARD CN066 (MX) (MX) (CHASSIS) (Page 32) AUDIO IN...

  • Page 41: Schematic Diagram - Audio, Mic, Headphone Boards

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 6-20. SCHEMATIC DIAGRAM – AUDIO IN, MIC, HEADPHONE Boards – • See page 50 for IC Block Diagrams. (E2,E51,MX,AR) R856 C863 C862 (MX) 0.047 C865 4700p VR851 (E2,E51,AR) C870 C869 JR801 R859 (E2,E51,AR) ECHO LEVEL C867 MIC AMP 0.047...

  • Page 42: Printed Wiring Boards - Cd-G Section - (Mx Model Only)

    HCD-GX355/GX555/RG270/RG475/RG575 • See page 25 for Circuit Boards Location. 6-21. PRINTED WIRING BOARDS – CD-G Section – (MX model only) : Uses unleaded solder. CD-G BOARD CD-G BOARD (CONDUCTOR SIDE) (COMPONENT SIDE) J803 VIDEO VIDEO OUT BOARD FB1001 R1031 C1019...

  • Page 43: Schematic Diagram - Cd-G Section - (Mx Model Only)

    HCD-GX355/GX555/RG270/RG475/RG575 6-22. SCHEMATIC DIAGRAM – CD-G Section – (MX model only) • See page 50 for Waveforms. • See page 50 for IC Block Diagrams. • See page 60 for IC Pin Function Description. SCOR WFCK SCHMIT TRIGGER IC1005 SN74AHCT04NSR...

  • Page 44: Printed Wiring Board - Panel Section (1/2)

    HCD-GX355/GX555/RG270/RG475/RG575 • See page 25 for Circuit Boards Location. 6-23. PRINTED WIRING BOARD – PANEL Section (1/2) – : Uses unleaded solder. PANEL BOARD R627 JW605 R628 C621 C622 R625 JW629 JW636 JW637 R607 R621 R622 (GX555/RG475/RG575) D611 JW628 JW635...

  • Page 45: Printed Wiring Board - Panel Section (2/2)

    HCD-GX355/GX555/RG270/RG475/RG575 • See page 25 for Circuit Boards Location. 6-24. PRINTED WIRING BOARD – PANEL Section (1/2) – : Uses unleaded solder. VOL BOARD S638 EQ BAND S626 S625 S637 ROTARY ENCODER MASTER VOLUME S624 ALBUM + S636 l – EQ + L –...

  • Page 46: Schematic Diagram - Panel Section (1/2)

    HCD-GX355/GX555/RG270/RG475/RG575 • See page 60 for IC Pin Function Description. 6-25. SCHEMATIC DIAGRAM – PANEL Section (1/2) – (1/2) FL701 FLUORESCENT INDICATOR TUBE REMOTE CONTROL RECEIVER IC610 RPM7240-H18 R619 R620 C631 C621 R622 R625 R621 R623 4.7k 4.7k C622 C712...

  • Page 47: Schematic Diagram - Panel Section (2/2)

    HCD-GX355/GX555/RG270/RG475/RG575 6-26. SCHEMATIC DIAGRAM – PANEL Section (2/2) – (Page 46) (2/2) R652 R650 R667 R666 R665 R664 R663 R662 R660 2.2k 4.7k 4.7k 2.2k 2.2k S616 S615 S614 S613 S612 S611 R651 R661 S602 S601 S617 S660 MASTER VOLUME...

  • Page 48: Printed Wiring Boards - Trans Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 • See page 25 for Circuit Boards Location. 6-27. PRINTED WIRING BOARDS – TRANS Section – : Uses unleaded solder. • Semiconductor Location Ref. No. Location SUB TRANS BOARD D901 (E2, E3, E51, EA, SP) D902 D903...

  • Page 49: Schematic Diagram - Trans Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 6-28. SCHEMATIC DIAGRAM – TRANS Section – PT901 MAIN POWER TRANSFORMER (AUS) CN905 F904 250V JW907 CN904 EXCEPT E2, CN903 (E2,E3,E51,EA,SP) E3,E51,EA,SP EXCEPT E2, AEP,UK, E3,E51,EA,SP EXCEPT E2, JW902 JW901 EE,RU,AR (E2,E3,E51,EA,SP) EXCEPT E2, (Page 37) E3,E51,EA,SP...
  • Page 50 HCD-GX355/GX555/RG270/RG475/RG575 • Waveforms • IC Block Diagrams – CD Board – – CD Board – (Except MX model) IC101 CXD3059AR IC101 yd (LRCK) IC101 yh (BCK) Q201 (Collector) (REC mode) 119 118 116 115 114 112 111 110 109 103 102...
  • Page 51 HCD-GX355/GX555/RG270/RG475/RG575 IC251 BA5947FM-E2 MUTING + – INTERFACE LEVEL SHIFT INTERFACE INTERFACE – VREF...
  • Page 52 HCD-GX355/GX555/RG270/RG475/RG575 IC301 TC94A34FG-002 Timing Generator VDDP PO5/AD5 /RESET PO6/AD6 STANDBY PO7AD7 /MICS /MILP MIDIO AD10 VDDT /MICK /MIACK/ SRMSTB AD16 VDDT VDDM PO8/AD11 SDO0 PO9/AD12 /CCE/ PO10/ BCKO AD13 BUCK/ PO11/ LRCKO AD14 SDO3/ SDI0 Interrupt Timer Control Switch General...
  • Page 53 HCD-GX355/GX555/RG270/RG475/RG575 IC303 BH15FB1WG THERMAL PROTECTION OVER CURRENT PROTECTION VOLTAGE CONTROL REFERENCE BLOCK...
  • Page 54 HCD-GX355/GX555/RG270/RG475/RG575 – BD Board – IC101 CXD3059AR 119 118 116 115 114 112 111 110 109 103 102 101 100 CPU INTERFACE SERVO INTERFACE 90 RMUT 89 IOVDD0 88 NC 87 AVDD2 86 AOUT2 COVERTER 85 VREFR MIRR MIRR DFCT...
  • Page 55 HCD-GX355/GX555/RG270/RG475/RG575 IC251 BA5947FM-E2 MUTING + – INTERFACE LEVEL SHIFT INTERFACE INTERFACE – VREF...
  • Page 56 HCD-GX355/GX555/RG270/RG475/RG575 IC301 TC94A34FG-002 Timing Generator VDDP PO5/AD5 /RESET PO6/AD6 STANDBY PO7AD7 /MICS /MILP MIDIO AD10 /MICK VDDT /MIACK/ SRMSTB AD16 VDDT VDDM PO8/AD11 SDO0 PO9/AD12 /CCE/ PO10/ BCKO AD13 BUCK/ PO11/ LRCKO AD14 SDO3/ SDI0 Interrupt Timer Control Switch General...

  • Page 57: Driver Board

    HCD-GX355/GX555/RG270/RG475/RG575 – DRIVER Board – IC303 BH15FB1WG IC701, 712 BA6956AN THERMAL PROTECTION OVER CURRENT PROTECTION CONTROL LOGIC VOLTAGE CONTROL REFERENCE BLOCK – CD-G Board – IC1002 MSM514400E-60TS-K WRITE DATA INPUT DATA OUTPUT CLOCK BUFFER BUFFER GENERATOR CLOCK GENERATOR 4M BIT...

  • Page 58: Main Board

    HCD-GX355/GX555/RG270/RG475/RG575 – MAIN Board – IC101 BD3401KS2 56 55 54 53 52 51 48 MNF2 SOFT 47 MOUT2 SWITCH 46 MOUT1 45 MNF1 44 BNF1 43 BOUT1 − 42 BOUT2 41 BNF2 INPUT − SELECT PBNF2 − PBOUT2 − −...
  • Page 59 HCD-GX355/GX555/RG270/RG475/RG575 – MIC Board – IC802 M65850FP-E1 OSCILLATOR LPF2 1/2 VCC CLOCK AUTO MAIN 20KBIT RESET RESET CONTROL SRAM LPF1...
  • Page 60 HCD-GX355/GX555/RG270/RG475/RG575 • IC Pin Function Description MAIN BOARD M30302MCP-A02FPU0 (SYSTEM CONTROLLER) Pin No. Pin Name Description O-BD3401- Serial data output to the electrical volume DATA O-BD3401-CLK Serial data transfer clock signal output to the electrical volume O-VFD-RESET System reset signal output to the FL/LED driver...
  • Page 61 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 Pin No. Pin Name Description O-MP3-STB Standby signal output to the MP3 decoder I-MP3-REQ Data send request signal input from the MP3 decoder O-MP3-LP Latch pulse signal output to the MP3 decoder O-XLT Latch pulse signal output to the CD DSP...
  • Page 62 HCD-GX355/GX555/RG270/RG475/RG575 Pin No. Pin Name Description O-BIAS REC bias on/off control signal output terminal Auto music sensor detection signal input from the electrical volume I-TAPE-AMS "L": music is present, "H": music is not present I-STREAM Audio signal input for stream LED (A/D input)
  • Page 63 HCD-GX355/GX555/RG270/RG475/RG575 CD-G BOARD IC1001 TC9411AFG (BS, K) (CD GRAPHICS DECODER) Pin No. Pin Name Description SESUB Not used CLCK Serial data transfer clock signal output to the CD DSP DATA Serial data input from the CD DSP SBSY Subcode Q sync (SCOR) input from the CD DSP...
  • Page 64 HCD-GX355/GX555/RG270/RG475/RG575 Pin No. Pin Name Description System clock input terminal (17.734475 MHz) (for PAL) Not used System clock output terminal (17.734475 MHz) (for PAL) Not used System clock input terminal (14.31818 MHz) (for NTSC) System clock output terminal (14.31818 MHz) (for NTSC)
  • Page 65 HCD-GX355/GX555/RG270/RG475/RG575 PANEL BOARD IC701 µPD780232GC-508-8BT-A (FL/LED DRIVER) Pin No. Pin Name Description VDD1 Power supply terminal (+3.3V) VSS1 Ground terminal System clock input terminal (4.19 MHz) System clock output terminal (4.19 MHz) Not used RESET System reset signal input from the system controller "L": reset...

  • Page 66: Exploded Views

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 SECTION 7 EXPLODED VIEWS NOTE: -XX and -X mean standardized parts, so they Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are may have some difference from the original are seldom required for routine service.

  • Page 67: Back Panel Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 7-2. BACK PANEL SECTION supplied (MX) (MX) CD mechanism section-1 supplied M001 not supplied chassis section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-254-142-01 SCREW (B3), (+) BV TAPPING 3-254-143-11 SCREW (B3), (+) BV TAPPING...

  • Page 68: Front Panel Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.2 7-3. FRONT PANEL SECTION (E2, E51, AR, MX) supplied not supplied PANEL board FL701 key section (EXCEPT MX) supplied supplied supplied supplied (MX) supplied supplied (E2, E51, AR, MX) (E2, E51, AR, SP, MX) (MX) 119 103...

  • Page 69: Key Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.2 7-4. KEY SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-348-864-02 DOOR (A), CASSETTE 2-348-868-01 KEY (DISPLAY) 2-549-974-01 SPRING (C-DOOR-L) 2-348-872-01 KEY (EQ) (GROOVE, PRESET EQ, P FILE, 4-238-631-11 TAPE SPRING SURROUND, EFFECT ON/OFF, ENTER)

  • Page 70: Chassis Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 7-5. CHASSIS SECTION (GX555/RG475/RG575) (MX) not supplied not supplied supplied transformer section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-254-142-01 SCREW (B3), (+) BV TAPPING A-1094-134-A POWER BOARD, COMPLETE (RG475: E3, AUS)

  • Page 71: Transformer Section

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 7-6. TRANSFORMER SECTION PT901 F904 F905 F906 F907 supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-701-748-00 CLAMP (RG270: MX) A-1102-768-A AC1 BOARD, COMPLETE (AUS) 4-242-539-01 BVIT 3B+3-8R W/O SLOT A-1102-771-A AC1 BOARD, COMPLETE (GX355)

  • Page 72: Cd Mechanism Deck Section-1 (Cdm74Kfs-F1Bd81C) (Except Mx Model)/ (Cdm74Kfs-F1Bd84) (Mx Model)

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 7-7. CD MECHANISM DECK SECTION-1 (CDM74KFS-F1BD81C) (EXCEPT MX model)/ (CDM74KFS-F1BD84) (MX model) M741 CD mechanism deck section-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-218-253-62 SCREW (M2.6), +BTTP 4-243-820-01 GEAR (TABLE) 1-776-182-11 WIRE (FLAT TYPE) (5 CORE)

  • Page 73: (Cdm74Kfs-F1Bd81C) (Except Mx Model)/ (Cdm74Kfs-F1Bd84) (Mx Model)

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 7-8. CD MECHANISM DECK SECTION-2 (CDM74KFS-F1BD81C) (EXCEPT MX model)/ (CDM74KFS-F1BD84) (MX model) S711 M751 S101 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1103-756-A DRIVER BOARD, COMPLETE 4-243-822-02 LEVER (LIFTER) 4-218-253-52 SCREW (M2.6), +BTTP...

  • Page 74: Electrical Parts List

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 SECTION 8 AUDIO IN ELECTRICAL PARTS LIST NOTE: Due to standardization, replacements in the Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are parts list may be different from the parts are seldom required for routine service.
  • Page 75 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C252 1-164-360-11 CERAMIC CHIP 0.1uF R151 1-216-864-11 SHORT CHIP C255 1-164-360-11 CERAMIC CHIP 0.1uF R161 1-216-809-11 METAL CHIP 1/10W R162 1-216-841-11 METAL CHIP 1/10W C257 1-164-360-11 CERAMIC CHIP 0.1uF...
  • Page 76 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C311 1-164-360-11 CERAMIC CHIP 0.1uF 1-126-246-11 ELECT CHIP 220uF C312 1-164-360-11 CERAMIC CHIP 0.1uF 1-162-964-11 CERAMIC CHIP 0.001uF C313 1-164-360-11 CERAMIC CHIP 0.1uF C111 1-162-967-11 CERAMIC CHIP 0.0033uF 10%...
  • Page 77 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 CD-G Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R204 1-216-864-11 SHORT CHIP C1024 1-126-206-11 ELECT CHIP 100uF 6.3V R205 1-216-864-11 SHORT CHIP C1025 1-162-970-11 CERAMIC CHIP 0.01uF R251 1-216-833-11 METAL CHIP 1/10W...
  • Page 78 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 CD-G DRIVER HEADPHONE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1031 1-218-285-11 METAL CHIP 1/10W R751 1-249-425-11 CARBON 4.7K 1/4W R1032 1-216-833-11 METAL CHIP 1/10W ************************************************************ R1033 1-216-825-11 METAL CHIP 2.2K...
  • Page 79 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C044 1-162-964-11 CERAMIC CHIP 0.001uF C151 1-107-826-11 CERAMIC CHIP 0.1uF (GX555/RG475/RG575) C045 1-164-156-11 CERAMIC CHIP 0.1uF C152 1-164-227-11 CERAMIC CHIP 0.022uF C063 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 80 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C222 1-126-947-11 ELECT 47uF < CONNECTOR > C223 1-131-679-31 FILM 0.01uF C224 1-130-479-00 MYLAR 0.0047uF 5% CN031 1-778-982-21 CONNECTOR, BOARD TO BOARD 13P C225 1-130-479-00 MYLAR 0.0047uF 5%...
  • Page 81 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > Q344 8-729-037-13 TRANSISTOR KTA1271Y Q345 6-551-276-01 TRANSISTOR RT1N431C-TP-1 IC006 6-702-771-01 IC TA78033LS IC011 8-759-701-59 IC NJM78M09FA Q346 8-729-037-13 TRANSISTOR KTA1271Y IC021...
  • Page 82 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R113 1-216-829-11 METAL CHIP 4.7K 1/10W R175 1-216-821-11 METAL CHIP 1/10W R114 1-216-825-11 METAL CHIP 2.2K 1/10W R176 1-216-821-11 METAL CHIP 1/10W R116 1-216-809-11 METAL CHIP...
  • Page 83 HCD-GX355/GX555/RG270/RG475/RG575 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R257 1-216-837-11 METAL CHIP 1/10W R341 1-216-833-11 METAL CHIP 1/10W (RG270: AEP, UK, EE, RU) R258 1-216-841-11 METAL CHIP 1/10W R342 1-216-821-11 METAL CHIP 1/10W (GX355/GX555/RG270: AEP, UK, EE, RU/RG575)
  • Page 84 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R996 1-216-809-11 METAL CHIP 1/10W R926 1-216-809-11 METAL CHIP 1/10W R997 1-216-809-11 METAL CHIP 1/10W R927 1-216-809-11 METAL CHIP 1/10W R998 1-216-809-11 METAL CHIP...
  • Page 85 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C833 1-164-156-11 CERAMIC CHIP 0.1uF R802 1-216-825-11 METAL CHIP 2.2K 1/10W (E2, E51, MX, AR) (E2, E51, MX, AR) C851 1-126-160-11 ELECT R803 1-216-829-11 METAL CHIP 4.7K...
  • Page 86 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 MOTOR (LD) MOTOR (TB) PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VARIABLE RESISTOR > D606 8-719-063-93 LED SLR325VC-N-T32 (STREAM) (GX555/RG475/RG575) VR801 1-223-983-11 RES, VAR, CARBON 50K (MIC LEVEL) D608 8-719-063-92 LED SLR325MC-M-T31-NP...
  • Page 87 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 PANEL POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R627 1-216-801-11 METAL CHIP 1/10W R628 1-216-801-11 METAL CHIP 1/10W < SWITCH > R629 1-216-833-11 METAL CHIP 1/10W (GX555/RG475/RG575) S601 1-762-875-21 SWITCH, KEYBOARD (I/1)
  • Page 88 HCD-GX355/GX555/RG270/RG475/RG575 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C411 1-162-964-11 CERAMIC CHIP 0.001uF L442 1-422-009-13 COIL, AIR-CORE (AEP, UK, EE, RU) C411 1-162-970-11 CERAMIC CHIP 0.01uF < TRANSISTOR > (EXCEPT AEP, UK, EE, RU)
  • Page 89 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 POWER SENSOR SUB TRANS SUB WOOFER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R461 1-216-797-11 METAL CHIP 1/10W A-1094-102-A SUB TRANS BOARD, COMPLETE (GX555) A-1094-103-A SUB TRANS BOARD, COMPLETE R462 1-216-797-11 METAL CHIP...

  • Page 90: Sub Woofer

    HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 SUB WOOFER TRANSFORMER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C503 1-162-968-11 CERAMIC CHIP 0.0047uF 10% R512 1-216-797-11 METAL CHIP 1/10W C504 1-104-662-91 ELECT 22uF R513 1-216-821-11 METAL CHIP 1/10W C505 1-162-915-11 CERAMIC CHIP 10PF 0.5PF...
  • Page 91 HCD-GX355/GX555/RG270/RG475/RG575 Ver. 1.1 TRANSFORMER VIDEO OUT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C908 1-128-553-11 ELECT 220uF SW601 1-786-289-31 SWITCH, DETECTION C909 1-126-964-11 ELECT 10uF (l – EQ + L, – TUNING +) C910 1-126-968-11 ELECT...

  • Page 92: Revision History

    HCD-GX355/GX555/RG270/RG475/RG575 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 2005.03...

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