Table Of Contents - Sony HCD-DR7AV Service Manual

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1. SERVICING NOTE
2. GENERAL ....................................................................
3. DISASSEMBLY
3-1. Front Panel ............................................................................ 8
3-2. Main Board ........................................................................... 8
3-3. Sub Panel .............................................................................. 9
3-4. CD-L/CD-R Board and CD Lid Assembly ........................... 9
3-5. Tape Mechanism Deck and Cassette Lid ............................ 10
3-6. CD Mechanism Deck .......................................................... 10
3-7. Base Unit ............................................................................. 10
3-8. Disc Table ........................................................................... 11
4. SERVICE MODE
5. MECHANICAL ADJUSTMENTS ..........................
6. ELECTRICAL ADJUSTMENTS
7. DIAGRAMS
7-1. Circuit Boards Location ...................................................... 19
7-2. Block Diagrams
• BD (CD) Section .............................................................. 21
• Deck Section .................................................................... 23
• Main (1/2) Section ........................................................... 25
• Main (2/2) Section ........................................................... 27
• Power Section (DR7AV model) ....................................... 29
• Power Section (XB800AV model) ................................... 31
• Display Section ................................................................ 33
7-3. Printed Wiring Board - BD (CD) Section - ....................... 37
7-4. Schematic Diagram - BD (CD) Section - .......................... 39
7-5. Printed Wiring Board - Main Section - .............................. 41
7-6. Schematic Diagram - Main (1/5) Section - ........................ 43
7-7. Schematic Diagram - Main (2/5) Section - ........................ 45
7-8. Schematic Diagram - Main (3/5) Section - ........................ 47
7-9. Schematic Diagram - Main (4/5) Section - ........................ 49
7-10. Schematic Diagram - Main (5/5) Section - ..................... 51
7-11. Schematic Diagram - Deck Section - .............................. 53
7-12. Printed Wiring Board - Deck Section - ........................... 55
7-13. Schematic Diagram - Power (1/2) Section -
(DR7AV model) ................................................................ 57
7-14. Schematic Diagram - Power (2/2) Section -
(DR7AV model) ................................................................ 59

TABLE OF CONTENTS

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7-15. Printed Wiring Board - Power Section -
(DR7AV model) ................................................................ 61
7-16. Schematic Diagram - Power (1/2) Section -
6
(XB800AV model) ............................................................ 63
7-17. Schematic Diagram - Power (2/2) Section -
(XB800AV model) ............................................................ 65
7-18. Printed Wiring Board - Power Section -
(XB800AV model) ............................................................ 67
7-19. Schematic Diagram - Panel FL Section - ........................ 69
7-20. Printed Wiring Board - Panel FL Section - ..................... 71
7-21. Schematic Diagram - Panel VR Section - ....................... 73
7-22. Printed Wiring Board - Panel VR Section - .................... 75
7-23. Schematic Diagram - TC Panel Section - ....................... 77
7-24. Printed Wiring Board - TC Panel Section - ..................... 79
7-25. Schematic Diagram - CD Panel Section - ....................... 81
7-26. Printed Wiring Board - CD Panel Section - .................... 83
7-27. Schematic Diagram - CD Motor Section - ...................... 85
16
7-28. Printed Wiring Board - CD Motor Section - ................... 87
7-29. Schematic Diagram - Jack Section - ............................... 89
7-30. Printed Wiring Board - Jack Section - ............................ 91
7-31. Schematic Diagram - Trans Section -
(XB800AV model) ............................................................ 93
7-32. Printed Wiring Board - Trans Section -
(XB800AV model) ............................................................ 95
7-33. Schematic Diagram - Trans Section -
(DR7AV model) ................................................................ 97
7-34. Printed Wiring Board - Trans Section -
(DR7AV model) ................................................................ 99
7-35. Schematic Diagram - Leaf SW Section - ...................... 100
7-36. Printed Wiring Board - Leaf SW Section - ................... 100
7-37. Schematic Diagram - Surround Section - ..................... 101
7-38. Printed Wiring Board - Surround Section - ................... 101
7-39. IC Block Diagrams ......................................................... 103
7-40. IC Pin Functions ............................................................. 104
8. EXPLODED VIEWS
8-1. Case and Back Panel Section ............................................ 107
8-2. Front Panel Section 1 ........................................................ 108
8-3. Front Panel Section 2 ........................................................ 109
8-4. Chassis Section ................................................................. 110
8-5. TC Mechanism Section 1 (TCM230AWR2/230PWR2) ... 111
8-6. TC Mechanism Section 2 (TCM230AWR2/230PWR2) ... 112
8-7. CD Mechanism Section (CDM37M-5BD32L) ................. 113
8-8. Base Unit Section (BU-5BD32L) ..................................... 114
9. ELECTRICAL PARTS LIST
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...................................... 115