Read Sony HCD-GX450 (serv.man2) Service Manual online
2
HCD-GX450
TABLE OF CONTENTS
1.
DISASSEMBLY
1-1.
Disassembly Flow ...........................................................
3
1-2.
Cover (Top) ......................................................................
4
1-3.
CD Door ..........................................................................
4
1-4.
Front Panel Section .........................................................
5
1-5.
CD Mechanism Deck (CDM74KF-K6BD81C) ..............
5
1-6.
Tape Mechanism Deck, GAME JACK Board .................
6
1-7.
PANEL Board ..................................................................
6
1-8.
Back Panel Section, SUB-TRANS Board .......................
7
1-9.
Power Transformer .........................................................
7
1-10. MAIN Board ....................................................................
8
1-11. SUB-WOOFER Board ....................................................
8
1-12. AMP Board ......................................................................
9
1-13. BD Board .........................................................................
9
1-14. DRIVER Board, SW Board ............................................. 10
1-15. Optical Pick-up (KSM-213DCP/C2NP) ......................... 10
1-16. SENSOR Board ............................................................... 11
1-17. MOTOR (TB) Board ....................................................... 11
1-18. MOTOR (LD) Board ....................................................... 12
1-15. Optical Pick-up (KSM-213DCP/C2NP) ......................... 10
1-16. SENSOR Board ............................................................... 11
1-17. MOTOR (TB) Board ....................................................... 11
1-18. MOTOR (LD) Board ....................................................... 12
2.
TEST MODE
............................................................... 13
3.
ELECTRICAL ADJUSTEMENTS
....................... 16
4.
DIAGRAMS
4-1.
Block Diagram – BD/DRIVER Section – ...................... 18
4-2.
Block Diagram – AUDIO/VIDEO Section – ................. 19
4-3.
Block Diagram – AMP Section – ................................... 20
4-4.
Block Diagram – PANEL Section – ............................... 21
4-5.
Printed Wiring Board – BD Section – ........................... 22
4-6.
Schematic Diagram – BD Section – ............................... 23
4-7.
Printed Wiring Board – CD MECHANISM Section – .. 24
4-8.
Schematic Diagram – CD MECHANISM Section – ...... 25
4-9.
Printed Wiring Board – MAIN Section –
................... 26
4-10. Schematic Diagram – MAIN Section (1/3) – ................. 27
4-11. Schematic Diagram – MAIN Section (2/3) – ................. 28
4-12. Schematic Diagram – MAIN Section (3/3) – ................. 29
4-13. Printed Wiring Board – PANEL COMB Section – ....... 30
4-14. Schematic Diagram – PANEL COMB Section – ........... 31
4-15. Printed Wiring Board – SUB-WOOFER Section – ....... 32
4-16. Schematic Diagram – SUB-WOOFER Section – .......... 33
4-17. Printed Wiring Board – PANEL Section – ..................... 34
4-18. Schematic Diagram – PANEL Section – ........................ 35
4-19. Printed Wiring Board – TRANS Section – ..................... 36
4-20. Schematic Diagram – TRANS Section – ....................... 37
4-21. Printed Wiring Board – AMP Section – ......................... 38
4-22. Schematic Diagram – AMP Section – ............................ 39
4-11. Schematic Diagram – MAIN Section (2/3) – ................. 28
4-12. Schematic Diagram – MAIN Section (3/3) – ................. 29
4-13. Printed Wiring Board – PANEL COMB Section – ....... 30
4-14. Schematic Diagram – PANEL COMB Section – ........... 31
4-15. Printed Wiring Board – SUB-WOOFER Section – ....... 32
4-16. Schematic Diagram – SUB-WOOFER Section – .......... 33
4-17. Printed Wiring Board – PANEL Section – ..................... 34
4-18. Schematic Diagram – PANEL Section – ........................ 35
4-19. Printed Wiring Board – TRANS Section – ..................... 36
4-20. Schematic Diagram – TRANS Section – ....................... 37
4-21. Printed Wiring Board – AMP Section – ......................... 38
4-22. Schematic Diagram – AMP Section – ............................ 39
5.
EXPLODED VIEWS
5-1.
Main Section .................................................................... 48
5-2.
Front Panel Section ......................................................... 49
5-3.
MAIN Board Section ....................................................... 50
5-4.
CD Mechanism Deck Section-1
(CDM74KF-K6BD81C) .................................................. 51
(CDM74KF-K6BD81C) .................................................. 51
5-5.
CD Mechanism Deck Section-2
(CDM74KF-K6BD81C) .................................................. 52
(CDM74KF-K6BD81C) .................................................. 52
6.
ELECTRICAL PARTS LIST
.................................. 53
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