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HCD-GX255/RG170/RG470
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
5
2.
GENERAL
...................................................................
6
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
8
3-2.
Case (Top) .......................................................................
9
3-3.
Door (CD) ........................................................................
9
3-4.
Front Panel Section ......................................................... 10
3-5
Mechanical Deck (CWM43FF13) ................................... 10
3-6.
CD Mechanism Deck (CDM74KFS-F1BD81C
(Except MX model)/CDM74KFS-F1BD84
(MX model)) .................................................................... 11
3-7.
Back Panel Section .......................................................... 11
3-8.
MAIN Board .................................................................... 12
3-9.
BD Board/CD Board ....................................................... 12
3-10. DRIVER Board, SW Board ............................................. 13
3-11. Optical Pick-up Block (KSM-215DCP) .......................... 13
3-12. SENSOR Board ............................................................... 14
3-13. MOTOR (TB) Board ....................................................... 14
3-14. MOTOR (LD) Board ....................................................... 15
4.
TEST MODE
.............................................................. 16
5.
ELECTRICAL ADJUSTMENT
............................ 20
6.
DIAGRAMS
6-1.
Block Diagram – CD SERVO Section – ........................ 21
6-2.
Block Diagram – AUDIO/VIDEO Section – ................. 22
6-3.
Block Diagram – AMP Section – ................................... 23
6-4.
Block Diagram
– PANEL, POWER SUPPLY Section – .......................... 24
6-5.
Printed Wiring Board
– CD Board – (Except MX model) ................................. 26
6-6.
Schematic Diagram
– CD Board – (Except MX model) ................................. 27
6-7.
Printed Wiring Board – BD Board – (MX model) ......... 28
6-8.
Schematic Diagram – BD Board – (MX model) ............ 29
6-9.
Printed Wiring Boards – CHANGER Section – ............. 30
6-10. Schemtic Diagram – CHANGER Setion – ..................... 31
6-11. Printed Wiring Board – MAIN Board – (Suffix-11) ...... 32
6-12. Schematic Diagram – MAIN Board (1/3) –
(Suffix-11) ....................................................................... 33
6-13. Schematic Diagram – MAIN Board (2/3) –
(Suffix-11) ....................................................................... 34
6-14. Schematic Diagram – MAIN Board (3/3) –
(Suffix-11) ....................................................................... 35
6-15. Printed Wiring Board – MAIN Board – (Suffix-12) ...... 36
6-16. Schematic Diagram – MAIN Board (1/3) –
(Suffix-12) ....................................................................... 37
6-17. Schematic Diagram – MAIN Board (2/3) –
(Suffix-12) ....................................................................... 38
6-18. Schematic Diagram – MAIN Board (3/3) –
(Suffix-12) ....................................................................... 39
6-19. Printed Wiring Board – POWER Board –
(GX255/RG170) .............................................................. 40
6-20. Schematic Diagram –POWER Board –
(GX255/RG170) .............................................................. 41
6-21. Printed Wiring Board – POWER Board –
(RG470: AEP, EE, RU) ................................................... 42
6-22. Schematic Diagram – POWER Board –
(RG470: AEP, EE, RU) ................................................... 43
6-23. Printed Wiring Board – POWER Board –
(RG470: E2, E51, AR, MX) ............................................ 44
6-24. Schematic Diagram – POWER Board –
(RG470: E2, E51, AR, MX) ............................................ 45
6-25. Printed Wiring Boards
– AUDIO, MIC, HEADPHONE Boards – ...................... 46
6-26. Schematic Diagram
– AUDIO, MIC, HEADPHONE Boards – ...................... 47
6-27. Printed Wiring Boards – CD-G Section –
(MX model only) ............................................................. 48
6-28. Schematic Diagram – CD-G Section –
(MX model only) ............................................................. 49
6-29. Printed Wiring Board – PANEL Section (1/2) ............... 50
6-30. Printed Wiring Board – PANEL Section (2/2) ............... 51
6-31. Schematic Diagram – PANEL Section (1/2) .................. 52
6-32. Schematic Diagram – PANEL Section (2/2) .................. 53
6-33. Printed Wiring Boards – TRANS Section –
(GX255/RG170) .............................................................. 54
6-34. Schematic Diagram – TRANS Section –
(GX255/RG170) .............................................................. 55
6-35. Printed Wiring Boards – TRANS Section –
(RG470: AEP, EE, RU) ................................................... 56
6-36. Schematic Diagram – TRANS Section –
(RG470: AEP, EE, RU) ................................................... 57
6-37. Printed Wiring Boards – TRANS Section –
(RG470: E2, E51, AR, MX) ............................................ 58
6-38. Schematic Diagram – TRANS Section –
(RG470: E2, E51, AR, MX) ............................................ 59
7.
EXPLODED VIEWS
7-1.
Overall Section ................................................................ 77
7-2.
Back Panel Section .......................................................... 78
7-3.
Front Panel Section ......................................................... 79
7-4.
Key Section ..................................................................... 80
7-5.
Chassis Section ................................................................ 81
7-6.
Transformer Section ........................................................ 82
7-7.
CD Mechanism Deck Section-1
(CDM74KFS-F1BD81C (Except MX model)/
CDM74KFS-F1BD84 (MX model)) ............................... 83
7-8.
CD Mechanism Deck Section-2
(CDM74KFS-F1BD81C (Except MX model)/
CDM74KFS-F1BD84 (MX model)) ............................... 84
8.
ELECTRICAL PARTS LIST
................................ 85
•
Abbreviation
AR : Argentina model
E2 : 120V AC Area in E model
E51 : Chilean and Peruvian model
EE : East European model
MX : Mexican model
RU : Russian model
Summary of Contents for HCD-GX255
Page 104: ...104 HCD GX255 RG170 RG470 MEMO ...
Page 137: ...33 HCD GX255 RG170 RG470 MEMO ...