Sony hcd vx 888 service manual

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3 HCD-VX888 1. GENERAL ................................................................... 4 2. DISASSEMBLY 2-1. Disassembly Flow ........................................................... 7 2-2. Case (Top) ....................................................................... 8 2-3. Loading Panel .................................................................. 8 2-4. CD Mechanism Deck (CDM58E-30BD61A) ................ 9 2-5. Front Panel Section ......................................................... 9 2-6. Tape Mechanism Deck (TCM-230AWR41) ................... 10 2-7. Back Panel Section .......................................................... 10 2-8. Main Board ...................................................................... 11 2-9. LEAF SW Board, HEAD (A) Board, HEAD (B) Board ............................................................ 11 2-10. Base Unit (BU-30BD61A) .............................................. 12 2-11. VIDEO Board, DRIVER Board ..................................... 12 2-12. MOTOR Board, ADDRESS SENSOR Board ................ 13 3. TEST MODE ............................................................... 14 4. MECHANICAL ADJUSTMENTS ........................ 17 5. ELECTRICAL ADJUSTMENTS .......................... 17 6. DIAGRAMS 6-1. Block Diagram – TUNER/CD Section –....................... 23 6-2. Block Diagram – MAIN Section –................................ 24 6-3. Block Diagram – DISPLAY/POWER Section –........... 25 6-4. Block Diagram – VIDEO CD Section –........................ 26 6-5. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 27 6-6. Schematic Diagram – BD Board –................................ 28 6-7. Printed Wiring Board – BD Board –............................. 29 6-8. Schematic Diagram – MAIN Board (1/4) –.................. 30 6-9. Schematic Diagram – MAIN Board (2/4) –.................. 31 6-10. Schematic Diagram – MAIN (3/4)/HEAD Board –...... 32 6-11. Schematic Diagram – MAIN Board (4/4) –.................. 33 6-12. Printed Wiring Board – MAIN Board –........................ 34 6-13. Schematic Diagram – VIDEO SWITCH Board –......... 35 6-14. Printed Wiring Boards – HEAD (A)/(B) Board –......... 35 6-15. Printed Wiring Board – VIDEO SWITCH Board –...... 35 6-16. Schematic Diagram – POWER AMP/SENSOR Board –................................ 36 6-17. Printed Wiring Boards – POWER AMP/SENSOR Board –................................ 37 6-18. Schematic Diagram – PANEL Board –.......................... 38 6-19. Printed Wiring Board – PANEL Board –....................... 39 6-20. Schematic Diagram – CD SWITCH/PAD SWITCH Board –........................ 40 6-21. Printed Wiring Boards – CD SWITCH/PAD SWITCH Board –........................ 41 6-22. Schematic Diagram – LEAF SW Board –..................... 42 6-23. Printed Wiring Board – LEAF SW Board –.................. 42 6-24. Schematic Diagram – ADDRESS SENSOR/DRIVER/MOTOR Board –...... 43 6-25. Printed Wiring Boards – ADDRESS SENSOR/DRIVER/MOTOR Board –...... 43 6-26. Schematic Diagram – VIDEO Board (1/3) –................ 44 6-27. Schematic Diagram – VIDEO Board (2/3) –................ 45 6-28. Schematic Diagram – VIDEO Board (3/3) –................ 46 6-29. Printed Wiring Board – VIDEO Board –....................... 47 6-30. Schematic Diagram – MAIN TRANS/SUB TRANS Board –....................... 48 6-31. Printed Wiring Boards – MAIN TRANS/SUB TRANS Board –........................ 49 6-32. IC Pin Function Description ........................................... 55 TABLE OF CONTENTS 7. EXPLODED VIEWS 7-1. Cabinet Section ............................................................... 60 7-2. Front Panel Section ......................................................... 61 7-3. Main Board Section ........................................................ 62 7-4. CD Mechanism Deck Section (CDM58E-30BD61A) ... 63 7-5. Base Unit Section (BU-30BD61A) ................................ 64 7-6. Tape Mechanism Deck Section-1 (TCM-230AWR41) .... 65 7-7. Tape Mechanism Deck Section-2 (TCM-230AWR41) .... 66 8. ELECTRICAL PARTS LIST .................................. 67