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5
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
TABLE OF CONTENTS
1. DISASSEMBLY
1-1. Case (Top) ............................................................................ 7
1-2. Tape Mechanism Deck......................................................... 7
1-3. Loading panel ...................................................................... 8
1-4.
Front Panel Section
.............................................................. 8
1-5. MIC Board, USB Board, MICRV Board,
Headphone
Board
................................................................ 9
1-6.
Display Board, STR Board, CD SW Board
......................... 9
1-7.
Tuner pack
......................................................................... 10
1-8.
Subtrans Board
.................................................................. 10
1-9. DC Fan, Power Transformer (T1200) ................................ 11
1-10. Main Board, Front Boars Section ...................................... 11
1-11.
Front Board, GTH Subwoofer Board
............................... 12
1-12.
Back Panel Section, DC Fan
.............................................. 12
1-13. CD Block Section .............................................................. 13
1-14. DMB-19 Board, GTH HUB Board .................................... 13
1-15. Driver MT Board, SW MT Board ..................................... 14
1-16. Optical Pick-up .................................................................. 14
1-17. Sensor Board ...................................................................... 15
1-18. Motor(TB) Board ............................................................... 15
1-19. Motor (LD) Board ............................................................. 16
2. TEST MODE
..............................................................
17
3. MECHANICAL ADJUSTMENTS
.........................
19
4. ELECTRICAL ADJUSTMENTS
..........................
20
5. DIAGRAMS
5-1. Block Diagram — USB Section — ................................... 22
5-2. Block Diagram — RF/Servo Section — ........................... 23
5-3. Block Diagram — Tape/Tuner Section — ......................... 24
5-4. Block Diagram — Main Section — .................................. 25
5-5. Block Diagram — AMP/Subwoofer Section — ................ 26
5-6. Block Diagram — Display/Power Section — ................... 27
5-7. Circuit Boards Location ..................................................... 28
5-8. Printed Wiring Board — Display Board — ....................... 30
5-9. Schematic Diagram — Display
Board
— ......................... 31
5-10. Printed Wiring Boards — DMB19
Board
— .................... 32
5-11. Schematic Diagram — DMB19
Board
(1/4) — ................ 33
5-12. Schematic Diagram — DMB19
Board
(2/4) — ................ 34
5-13. Schematic Diagram — DMB19
Board
(3/4) — ................ 35
5-14. Schematic Diagram — DMB19
Board
(4/4) — ................ 36
5-15. Printed Wiring Board — Front Board — .......................... 37
5-16. Schematic Diagram — Front
Board
— ............................. 38
5-17. Printed Wiring Board — Main Board — ........................... 39
5-18. Schematic Diagram — Main
Board
(1/5) — ..................... 40
5-19. Schematic Diagram — Main
Board
(2/5) — ..................... 41
5-20. Schematic Diagram — Main
Board
(3/5) — ..................... 42
5-21. Schematic Diagram — Main
Board
(4/5) — ..................... 43
5-22. Schematic Diagram — Main
Board
(5/5) — ..................... 44
5-23. Printed Wiring Board — MIC and MIC RV
Board
— ...... 45
5-24. Schematic Diagram — MIC and MIC RV
Board
— ......... 46
5-25. Printed Wiring Board — STR and CD_SW
Board
— ...... 47
5-26. Schematic Diagram —
STR
and CD_SW
Board
— ......... 48
5-27. Printed Wiring Board — Trans and Sub Trans
Board
— .. 49
5-28. Schematic Diagram — Trans and Sub Trans
Board
— ..... 50
5-29. Printed Wiring Board — Sub Woofer
Board
— ................ 51
5-30. Schematic Diagram — Sub Woofer
Board
— ................... 52
5-31. Printed Wiring Boards —
Headphone and USB CD
Board
— ................................... 53
5-32. Schematic Diagram —
Headphone and USB CD
Board
— ................................... 54
5-33. Printed Wiring Board —
HUB
Board
— ........................... 55
5-34. Schematic Diagram —
HUB
Board
— ............................. 56
5-35. Printed Wiring Board —
DRIVER
Board
— .................... 57
5-36. Printed Wiring Board —
DRIVER
Board
— .................... 58
6. EXPLODED VIEWS
6-1. Main Section ...................................................................... 66
6-2. Back Panel Section ............................................................ 67
6-3. Front Panel Section (1) ...................................................... 68
6-4. Front Panel Section (2) ...................................................... 69
6-5. Chassis Section .................................................................. 70
6-6. CD Mechanism Section (1) ............................................... 71
6-7. CD Mechanism Section (2) ............................................... 72
7. ELECTRICAL PARTS LIST
.................................
73