Read Sony DAV-SB300 / HCD-SB300 Service Manual online
4
HCD-SB300
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
5
2.
GENERAL
...................................................................
7
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
9
3-2.
Case .................................................................................
9
3-3.
Front Panel Block ............................................................ 10
3-4.
DVD Mechanism Deck ................................................... 10
3-5.
IO Board .......................................................................... 11
3-6.
MAIN Board .................................................................... 11
3-7.
Tray (AU) ........................................................................ 12
3-8.
Optical Pick-up Block, Chuck Cam ................................ 12
3-9.
Optical Traverse Unit (DBU-1) ....................................... 13
3-10. DC Motor (Loading) (M001) .......................................... 13
4.
TEST MODE
.............................................................. 14
5.
ELECTRICAL ADJUSTMENTS
......................... 23
6.
DIAGRAMS
6-1.
Block Diagram – RF SERVO Section – ......................... 24
6-2.
Block Diagram – DVD DSP Section – ........................... 25
6-3.
Block Diagram – AUDIO Section – ............................... 26
6-4.
Block Diagram – AMP, PANEL Section – ..................... 27
6-5.
Block Diagram – POWER SUPPLY Section – .............. 28
6-6.
Printed Wiring Board – RF Board – ............................... 30
6-7.
Schematic Diagram – RF Board – .................................. 31
6-8.
Printed Wiring Board
– DMB07 Board (Component Side) – ............................. 32
– DMB07 Board (Component Side) – ............................. 32
6-9.
Printed Wiring Board
– DMB07 Board (Conductor Side) – .............................. 33
– DMB07 Board (Conductor Side) – .............................. 33
6-10. Schematic Diagram – DMB07 Board (1/9) – ................. 34
6-11. Schematic Diagram – DMB07 Board (2/9) – ................. 35
6-12. Schematic Diagram – DMB07 Board (3/9) – ................. 36
6-13. Schematic Diagram – DMB07 Board (4/9) – ................. 37
6-14. Schematic Diagram – DMB07 Board (5/9) – ................. 38
6-15. Schematic Diagram – DMB07 Board (6/9) – ................. 39
6-16. Schematic Diagram – DMB07 Board (7/9) – ................. 40
6-17. Schematic Diagram – DMB07 Board (8/9) – ................. 41
6-18. Schematic Diagram – DMB07 Board (9/9) – ................. 42
6-19. Printed Wiring Board – IO Board – ................................ 44
6-20. Schematic Diagaram – IO Board – ................................. 45
6-21. Printed Wiring Board
6-11. Schematic Diagram – DMB07 Board (2/9) – ................. 35
6-12. Schematic Diagram – DMB07 Board (3/9) – ................. 36
6-13. Schematic Diagram – DMB07 Board (4/9) – ................. 37
6-14. Schematic Diagram – DMB07 Board (5/9) – ................. 38
6-15. Schematic Diagram – DMB07 Board (6/9) – ................. 39
6-16. Schematic Diagram – DMB07 Board (7/9) – ................. 40
6-17. Schematic Diagram – DMB07 Board (8/9) – ................. 41
6-18. Schematic Diagram – DMB07 Board (9/9) – ................. 42
6-19. Printed Wiring Board – IO Board – ................................ 44
6-20. Schematic Diagaram – IO Board – ................................. 45
6-21. Printed Wiring Board
– AMP Board (Component Side) – ................................. 46
6-22. Printed Wiring Board
– AMP Board (Conductor Side) – ................................... 47
6-23. Schematic Diagaram – AMP Board (1/4) ....................... 48
6-24. Schematic Diagaram – AMP Board (2/4) ....................... 49
6-25. Schematic Diagaram – AMP Board (3/4) ....................... 50
6-26. Schematic Diagaram – AMP Board (4/4) ....................... 51
6-27. Printed Wiring Board – SPK Board – ............................ 52
6-28. Schematic Diagram – SPK Board – ............................... 53
6-29. Printed Wiring Boards
6-24. Schematic Diagaram – AMP Board (2/4) ....................... 49
6-25. Schematic Diagaram – AMP Board (3/4) ....................... 50
6-26. Schematic Diagaram – AMP Board (4/4) ....................... 51
6-27. Printed Wiring Board – SPK Board – ............................ 52
6-28. Schematic Diagram – SPK Board – ............................... 53
6-29. Printed Wiring Boards
– MAIN Section (Component Side) – ............................. 54
6-30. Printed Wiring Boards
– MAIN Section (Conductor Side) – ............................... 55
6-31. Schematic Diagram – MAIN Section (1/2) – ................. 56
6-32. Schematic Diagram – MAIN Section (2/2) – ................. 57
6-33. Printed Wiring Boards – PANEL Section – .................... 58
6-34. Schematic Diagaram – PANEL Section – ...................... 59
6-35. Printed Wiring Board – FL Board – ............................... 60
6-36. Schematic Diagram – FL Board – .................................. 61
6-37. Printed Wiring Boards – POWER SUPPLY Section ...... 62
6-38. Schematic Diagarm – POWER SUPPLY Section – ....... 63
6-32. Schematic Diagram – MAIN Section (2/2) – ................. 57
6-33. Printed Wiring Boards – PANEL Section – .................... 58
6-34. Schematic Diagaram – PANEL Section – ...................... 59
6-35. Printed Wiring Board – FL Board – ............................... 60
6-36. Schematic Diagram – FL Board – .................................. 61
6-37. Printed Wiring Boards – POWER SUPPLY Section ...... 62
6-38. Schematic Diagarm – POWER SUPPLY Section – ....... 63
7.
EXPLODED VIEWS
7-1.
Front Panel Section ......................................................... 84
7-2.
Back Panel Section .......................................................... 85
7-3.
Chassis Section ................................................................ 86
7-4.
DVD Mechanism Deck Section (CDM77A-DVBU20) .. 87
8.
ELECTRICAL PARTS LIST
................................ 88
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