Read Sony MHC-V818 Service Manual online
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1. SERVICING NOTE
.......................................................... 5
2. GENERAL
.......................................................................... 6
3. DISASSEMBLY
3-1. Loading Panel ....................................................................... 9
3-2. Front Panel ........................................................................... 9
3-3. Cassette Mechanism Deck .................................................. 10
3-4. Panel Board and Cont Com Board ...................................... 10
3-5. Disc Tray ........................................................................... 11
3-2. Front Panel ........................................................................... 9
3-3. Cassette Mechanism Deck .................................................. 10
3-4. Panel Board and Cont Com Board ...................................... 10
3-5. Disc Tray ........................................................................... 11
4. TEST MODE
.................................................................... 12
5. SERVICE MODE
............................................................ 14
6. MECHANICAL ADJUSTMENTS
..........................
16
7. ELECTRICAL ADJUSTMENTS
............................... 16
8. DIAGRAMS
8-1. Circuit Boards Location ...................................................... 22
8-2. Block Diagrams
8-2. Block Diagrams
• CD Section ....................................................................... 23
• Video Section ................................................................... 25
• Deck Section .................................................................... 27
• Main Section .................................................................... 29
• Power Section .................................................................. 31
• Display Section ................................................................ 33
•
• Video Section ................................................................... 25
• Deck Section .................................................................... 27
• Main Section .................................................................... 29
• Power Section .................................................................. 31
• Display Section ................................................................ 33
•
Section ............................................................... 35
8-3. Printed Wiring Board – CD Section – ................................. 37
8-4. Schematic Diagram – CD Section – ................................... 39
8-5. Schematic Diagram – Deck Section – ................................ 41
8-6. Printed Wiring Board – Deck Section – .............................. 43
8-7. Printed Wiring Board – Video Section – ............................. 45
8-8. Schematic Diagram – Videon (1/3) Section – ..................... 47
8-9. Schematic Diagram – Videon (2/3) Section – ..................... 49
8-10. Schematic Diagram – Videon (3/3) Section – .................. 51
8-11. Printed Wiring Board – Main Section – ........................... 53
8-12. Schematic Diagram – Main (1/4) Section – ..................... 55
8-13. Schematic Diagram – Main (2/4) Section – ..................... 57
8-14. Schematic Diagram – Main (3/4) Section – ..................... 59
8-15. Schematic Diagram – Main (4/4) Section – ..................... 61
8-16. Printed Wiring Board – Mic/HP Section – ....................... 63
8-17. Schematic Diagram – Mic/HP Section – .......................... 64
8-18. Printed Wiring Board – Power Amp Section – ................. 65
8-19. Schematic Diagram – Power Amp Section – ................... 67
8-20. Schematic Diagram – Transformer Section – ................... 69
8-21. Printed Wiring Board – Transformer Section – ................ 71
8-22. Printed Wiring Board – Leaf SW Section – ..................... 72
8-23. Schematic Diagram – Leaf SW Section – ........................ 72
8-24. Printed Wiring Board – Display Section – ....................... 73
8-25. Schematic Diagram – Display Section – .......................... 75
8-26. Schematic Diagram – Panel Section – ............................. 77
8-27. Printed Wiring Board – Panel Section – ........................... 79
8-28. Schematic Diagram – CD Motor Section – ...................... 81
8-29. Printed Wiring Board – CD Motor Section – ................... 83
8-30. IC Block Diagrams ........................................................... 85
8-31. IC Pin Functions ............................................................... 87
8-4. Schematic Diagram – CD Section – ................................... 39
8-5. Schematic Diagram – Deck Section – ................................ 41
8-6. Printed Wiring Board – Deck Section – .............................. 43
8-7. Printed Wiring Board – Video Section – ............................. 45
8-8. Schematic Diagram – Videon (1/3) Section – ..................... 47
8-9. Schematic Diagram – Videon (2/3) Section – ..................... 49
8-10. Schematic Diagram – Videon (3/3) Section – .................. 51
8-11. Printed Wiring Board – Main Section – ........................... 53
8-12. Schematic Diagram – Main (1/4) Section – ..................... 55
8-13. Schematic Diagram – Main (2/4) Section – ..................... 57
8-14. Schematic Diagram – Main (3/4) Section – ..................... 59
8-15. Schematic Diagram – Main (4/4) Section – ..................... 61
8-16. Printed Wiring Board – Mic/HP Section – ....................... 63
8-17. Schematic Diagram – Mic/HP Section – .......................... 64
8-18. Printed Wiring Board – Power Amp Section – ................. 65
8-19. Schematic Diagram – Power Amp Section – ................... 67
8-20. Schematic Diagram – Transformer Section – ................... 69
8-21. Printed Wiring Board – Transformer Section – ................ 71
8-22. Printed Wiring Board – Leaf SW Section – ..................... 72
8-23. Schematic Diagram – Leaf SW Section – ........................ 72
8-24. Printed Wiring Board – Display Section – ....................... 73
8-25. Schematic Diagram – Display Section – .......................... 75
8-26. Schematic Diagram – Panel Section – ............................. 77
8-27. Printed Wiring Board – Panel Section – ........................... 79
8-28. Schematic Diagram – CD Motor Section – ...................... 81
8-29. Printed Wiring Board – CD Motor Section – ................... 83
8-30. IC Block Diagrams ........................................................... 85
8-31. IC Pin Functions ............................................................... 87
TABLE OF CONTENTS
9. EXPLODED VIEWS
9-1. Case Section ........................................................................ 99
9-2. Chassis Section ................................................................. 100
9-3. Front Panel Section ........................................................... 101
9-4. CD Mechanism Deck Section-1 (CDM38L-5BD24AL) .. 102
9-5. CD Mechanism Deck Section-2 (CDM38L-5BD24AL) .. 103
9-6. Base Unit Section (BU-5BD24AL) .................................. 104
9-7. TC Mechanism Section 1
9-2. Chassis Section ................................................................. 100
9-3. Front Panel Section ........................................................... 101
9-4. CD Mechanism Deck Section-1 (CDM38L-5BD24AL) .. 102
9-5. CD Mechanism Deck Section-2 (CDM38L-5BD24AL) .. 103
9-6. Base Unit Section (BU-5BD24AL) .................................. 104
9-7. TC Mechanism Section 1
(TCM230AWR1, TCM230PWR1) ................................... 105
9-8. TC Mechanism Section 2
(TCM230AWR1, TCM230PWR1) ................................... 106
10. ELECTRICAL PARTS LIST
.................................. 107
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