Read Sony HCD-GN700 / HCD-GX8800 / MHC-GN700 / MHC-GX8800 Service Manual online
HCD-GN700/GX8800
3
TABLE OF CONTENTS
1.
SERVICING NOTES
................................................
4
2.
GENERAL
Location of Controls .......................................................
5
3.
DISASSEMBLY
3-1. Case .................................................................................
8
3-2. Loading (Panel) ...............................................................
8
3-3. Front Panel Assy .............................................................
9
3-4. Tuner Pack, Sub Trans Board .........................................
9
3-5. CD Mechanism Deck ...................................................... 10
3-6. Game In Board, Tape Mechanism Deck ......................... 10
3-7. CD Switch Board, Display Board .................................. 11
3-8. Volume Board .................................................................. 11
3-9. Subwoofer Board, Rear Panel ........................................ 12
3-10. Main Board ...................................................................... 12
3-11. Power Amp Board ........................................................... 13
3-12. SW Board, Driver Board ................................................. 13
3-13. CD Board, CD Block Assy ............................................. 14
3-14. Sensor Board ................................................................... 14
3-15. Motor (TB) Board ........................................................... 15
3-16. Motor (LD) Board ........................................................... 15
3-6. Game In Board, Tape Mechanism Deck ......................... 10
3-7. CD Switch Board, Display Board .................................. 11
3-8. Volume Board .................................................................. 11
3-9. Subwoofer Board, Rear Panel ........................................ 12
3-10. Main Board ...................................................................... 12
3-11. Power Amp Board ........................................................... 13
3-12. SW Board, Driver Board ................................................. 13
3-13. CD Board, CD Block Assy ............................................. 14
3-14. Sensor Board ................................................................... 14
3-15. Motor (TB) Board ........................................................... 15
3-16. Motor (LD) Board ........................................................... 15
4.
TEST MODE
.............................................................. 16
5.
MECHANICAL ADJUSTMENTS
....................... 20
6.
ELECTRICAL ADJUSTMENTS
Deck section .................................................................... 20
CD Section ...................................................................... 22
CD Section ...................................................................... 22
7.
DIAGRAMS
7-1. Circuit Board Location ................................................... 26
7-2. Block Diagram – CD Servo Section – ........................... 28
7-2. Block Diagram – CD Servo Section – ........................... 28
Block Diagram – Tuner/Tape Deck Section – ............... 29
Block Diagram – Main/Power Section – ....................... 30
Block Diagram – Display Section – .............................. 31
Block Diagram – Main/Power Section – ....................... 30
Block Diagram – Display Section – .............................. 31
7-3. Printed Wiring Board – CD Board – ............................. 32
7-4. Schematic Diagram – CD Board – ................................ 33
7-5. Printed Wiring Board – CD Mechanism Board – ......... 34
7-6. Schematic Diagram – CD Mechanism Board – ............ 35
7-7. Printed Wiring Boards – Main Board – ......................... 36
7-8. Schematic Diagram – Main Board (1/3) – .................... 37
7-9. Schematic Diagram – Main Board (2/3) – .................... 38
7-10. Schematic Diagram – Main Board (3/3) – .................... 39
7-11. Printed Wiring Boards
7-4. Schematic Diagram – CD Board – ................................ 33
7-5. Printed Wiring Board – CD Mechanism Board – ......... 34
7-6. Schematic Diagram – CD Mechanism Board – ............ 35
7-7. Printed Wiring Boards – Main Board – ......................... 36
7-8. Schematic Diagram – Main Board (1/3) – .................... 37
7-9. Schematic Diagram – Main Board (2/3) – .................... 38
7-10. Schematic Diagram – Main Board (3/3) – .................... 39
7-11. Printed Wiring Boards
– Game In, CD Switch Board – ...................................... 40
7-12. Schematic Diagram
– Game In, CD Switch Board – ...................................... 41
7-13. Printed Wiring Board – Display Board – ...................... 42
7-14. Schematic Diagram – Display Board – ......................... 43
7-15. Printed Wiring Board – Power Amp Board – ................ 44
7-16. Schematic Diagram – Power Amp Board – .................. 45
7-17. Printed Wiring Boards – Trans Board – ........................ 46
7-18. Schematic Diagram – Trans Board – ............................. 47
7-19. IC Block Diagram ........................................................... 48
7-20. IC Pin Function Description ........................................... 49
7-15. Printed Wiring Board – Power Amp Board – ................ 44
7-16. Schematic Diagram – Power Amp Board – .................. 45
7-17. Printed Wiring Boards – Trans Board – ........................ 46
7-18. Schematic Diagram – Trans Board – ............................. 47
7-19. IC Block Diagram ........................................................... 48
7-20. IC Pin Function Description ........................................... 49
8.
EXPLODED VIEWS
8-1. Case, Rear Panel Section ................................................ 54
8-2. Front Panel Section ......................................................... 55
8-3. Chassis Section ............................................................... 56
8-4. CD Mechanism Deck Section-1
8-2. Front Panel Section ......................................................... 55
8-3. Chassis Section ............................................................... 56
8-4. CD Mechanism Deck Section-1
(CDM74-K6BD47S) ....................................................... 57
8-5. CD Mechanism Deck Section-2
(CDM74-K6BD47S) ....................................................... 58
9.
ELECTRICAL PARTS LIST
............................... 59
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