Sony hcd gv 6 service manual

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3 HCD-GV6/GV8 TABLE OF CONTENTS 1. SERVICING NOTES ................................................ 4 2. GENERAL Location of Controls ....................................................... 5 Setting the Time .............................................................. 6 3. DISASSEMBLY 3-1. Disassembly Flow ........................................................... 7 3-2. Case ................................................................................. 7 3-3. Front Panel Section ......................................................... 8 3-4. Cover (TC), Tape Mechanism Deck (TCM-230PWR42) ......................................................... 8 3-5. MAIN Board, Fan, D.C. (M901) .................................... 9 3-6. CD Mechanism Deck (CDM37L-5BD34L) ................... 10 3-7. Base Unit (BU-5BD34L) ................................................ 11 3-8. Disc Table ........................................................................ 11 4. TEST MODE .............................................................. 12 5. MECHANICAL ADJUSTMENTS ....................... 14 6. ELECTRICAL ADJUSTMENTS Deck section .................................................................... 14 CD Section ...................................................................... 17 Video Section .................................................................. 17 7. DIAGRAMS 7-1. Block Diagram – CD SERVO Section –....................... 18 7-2. Block Diagram – AUDIO/VIDEO CD Section –.......... 19 7-3. Block Diagram – TUNER/TAPE DECK Section –...... 20 7-4. Block Diagram – MAIN Section –................................ 21 7-5. Block Diagram – DISPLAY/KEY CONTROL/ POWER SUPPLY Section –........................................... 22 7-6. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 23 7-7. Printed Wiring Board – BD Board –............................. 24 7-8. Schematic Diagram – BD Board –................................ 25 7-9. Schematic Diagram – VIDEO Board (1/2) –................ 26 7-10. Schematic Diagram – VIDEO Board (2/2) –................ 27 7-11. Printed Wiring Board – VIDEO Board –....................... 28 7-12. Printed Wiring Boards – CD MOTOR Section –.......... 30 7-13. Schematic Diagram – CD MOTOR Section –.............. 31 7-14. Printed Wiring Board – AUDIO Board –...................... 32 7-15. Schematic Diagram – AUDIO Board –......................... 33 7-16. Printed Wiring Board – LEAF SW Board –.................. 34 7-17. Schematic Diagram – LEAF SW Board –..................... 34 7-18. Schematic Diagram – MAIN Board (1/3) –.................. 35 7-19. Schematic Diagram – MAIN Board (2/3) –.................. 36 7-20. Schematic Diagram – MAIN Board (3/3) –.................. 37 7-21. Printed Wiring Board – MAIN Board –........................ 38 7-22. Printed Wiring Board – PA Board –.............................. 40 7-23. Schematic Diagram – PA Board –................................. 41 7-24. Printed Wiring Boards – MIC/FRONT INPUT/ HEADPHONES Boards –............................................... 42 7-25. Schematic Diagram – MIC/FRONT INPUT/ HEADPHONES Boards –............................................. 43 7-26. Printed Wiring Board – PANEL FL Board –................. 44 7-27. Schematic Diagram – PANEL FL Board –................... 45 7-28. Printed Wiring Boards – PANEL VR/ILLUMINATION Boards –..................... 46 7-29. Schematic Diagram – PANEL VR/ILLUMINATION Boards –..................... 47 7-30. Printed Wiring Boards – TC-A/TC-B/CD-L/ CD-R (1)/CD-R (2) Boards –......................................... 487-31. Schematic Diagram – TC-A/TC-B/CD-L/ CD-R (1)/CD-R (2) Boards –......................................... 49 7-32. Printed Wiring Board – TRANSFORMER Section–.... 50 7-33. Schematic Diagram – TRANSFORMER Section–....... 50 7-34. IC Pin Function Description ........................................... 56 8. EXPLODED VIEWS 8-1. Case, Back Panel Section ................................................ 66 8-2. Front Panel Section-1 ...................................................... 67 8-3. Front Panel Section-2 ...................................................... 68 8-4. Chassis Section ............................................................... 69 8-5. CD Mechanism Deck Section (CDM37L-5BD34L) ...... 70 8-6. Base Unit Section (BU-5BD34L) ................................... 71 8-7. Tape Mechanism Deck Section-1 (TCM-230PWR42) ......................................................... 72 8-8. Tape Mechanism Deck Section-2 (TCM-230PWR42) ......................................................... 73 9. ELECTRICAL PARTS LIST ............................... 74