Read Sony DAV-HDX274 / HCD-HDX274 Service Manual online
HCD-HDX274
3
1.
SERVICING NOTES
............................................. 4
2. GENERAL
.................................................................. 8
3. DISASSEMBLY
3-1. Disassembly
Flow
........................................................... 9
3-2. Case
(DCR)
..................................................................... 10
3-3. Front Panel Block ........................................................... 10
3-4. POWER
3-4. POWER
Board
................................................................ 11
3-5. Back Panel Block ............................................................ 11
3-6. SPEAKER Board, SERIPARA Board and
MAIN
3-6. SPEAKER Board, SERIPARA Board and
MAIN
Board
...................................................................
12
3-7. Cover
(CDM-DCR)
........................................................ 12
3-8. DVD Mechanism Deck (CDM81C-DVBU101) ............. 13
3-9. Tray
3-9. Tray
(Main)
Assy
............................................................ 13
3-10. MOTOR Board ............................................................... 14
3-11. Optical Pick-up Section .................................................. 14
3-12. Optical Pick-up Block
3-11. Optical Pick-up Section .................................................. 14
3-12. Optical Pick-up Block
(KHM-310CAB or KHM-313CAB) ............................... 15
3-13. Gear (Sub Tray 1)/Gear (Sub Tray 2) ............................. 15
3-14. Lever (Mode) .................................................................. 16
3-15. Stocker Block .................................................................. 16
3-16. Cam (Stocker) ................................................................. 17
3-17. Gear (Stocker 3) .............................................................. 17
3-18. Rotary Encoder (MD) (S771) ......................................... 18
3-19. Gear (BU1) ..................................................................... 18
3-14. Lever (Mode) .................................................................. 16
3-15. Stocker Block .................................................................. 16
3-16. Cam (Stocker) ................................................................. 17
3-17. Gear (Stocker 3) .............................................................. 17
3-18. Rotary Encoder (MD) (S771) ......................................... 18
3-19. Gear (BU1) ..................................................................... 18
4.
TEST MODE
............................................................ 19
5. ELECTRICAL
ADJUSTMENTS
........................ 24
6. DIAGRAMS
6-1. Block Diagram - RF SERVO/VIDEO Section - ............. 25
6-2. Block
6-2. Block
Diagram
- CHANGER/HDMI/DMPORT/TUNER Section - ........ 26
6-3. Block Diagram - AMP Section - ..................................... 27
6-4. Block
6-4. Block
Diagram
- PANEL/POWER SUPPLY Section - ............................ 28
6-5. Printed
Wiring
Board
- MAIN Board (Component Side) - ................................ 30
6-6. Printed
Wiring
Board
- MAIN Board (Conductor Side) - .................................. 31
6-7. Schematic Diagram - MAIN Board (1/12) - ................... 32
6-8. Schematic Diagram - MAIN Board (2/12) - ................... 33
6-9. Schematic Diagram - MAIN Board (3/12) - ................... 34
6-10. Schematic Diagram - MAIN Board (4/12) - ................... 35
6-11. Schematic Diagram - MAIN Board (5/12) - ................... 36
6-12. Schematic Diagram - MAIN Board (6/12) - ................... 37
6-13. Schematic Diagram - MAIN Board (7/12) - ................... 38
6-14. Schematic Diagram - MAIN Board (8/12) - ................... 39
6-15. Schematic Diagram - MAIN Board (9/12) - ................... 40
6-16. Schematic Diagram - MAIN Board (10/12) - ................. 41
6-17. Schematic Diagram - MAIN Board (11/12) - ................. 42
6-18. Schematic Diagram - MAIN Board (12/12) - ................. 43
6-19. Printed Wiring Board - SERIPARA Board - ................... 43
6-20. Schematic Diagram - SERIPARA Board - ...................... 44
6-21. Printed Wiring Board
6-8. Schematic Diagram - MAIN Board (2/12) - ................... 33
6-9. Schematic Diagram - MAIN Board (3/12) - ................... 34
6-10. Schematic Diagram - MAIN Board (4/12) - ................... 35
6-11. Schematic Diagram - MAIN Board (5/12) - ................... 36
6-12. Schematic Diagram - MAIN Board (6/12) - ................... 37
6-13. Schematic Diagram - MAIN Board (7/12) - ................... 38
6-14. Schematic Diagram - MAIN Board (8/12) - ................... 39
6-15. Schematic Diagram - MAIN Board (9/12) - ................... 40
6-16. Schematic Diagram - MAIN Board (10/12) - ................. 41
6-17. Schematic Diagram - MAIN Board (11/12) - ................. 42
6-18. Schematic Diagram - MAIN Board (12/12) - ................. 43
6-19. Printed Wiring Board - SERIPARA Board - ................... 43
6-20. Schematic Diagram - SERIPARA Board - ...................... 44
6-21. Printed Wiring Board
- I/O Board (Component Side) - ..................................... 46
6-22. Printed Wiring Board
- I/O Board (Conductor Side) - ....................................... 47
6-23. Schematic Diagram - I/O Board - ................................... 48
6-24. Printed Wiring Board - SPEAKER Board - .................... 49
6-25. Schematic Diagram - SPEAKER Board - ....................... 49
6-24. Printed Wiring Board - SPEAKER Board - .................... 49
6-25. Schematic Diagram - SPEAKER Board - ....................... 49
TABLE OF CONTENTS
6-26. Printed Wiring Board - FL Board - ................................. 50
6-27. Schematic Diagram - FL Board - .................................... 51
6-28. Printed Wiring Boards - RELAY Section - ..................... 52
6-29. Schematic Diagram - RELAY Section - ......................... 53
6-30. Printed Wiring Boards - JACK-KEY Section - .............. 54
6-31. Schematic Diagram - JACK-KEY Section - ................... 55
6-32. Printed Wiring Board - POWER Board - ........................ 56
6-33. Schematic Diagram - POWER Board - .......................... 57
6-27. Schematic Diagram - FL Board - .................................... 51
6-28. Printed Wiring Boards - RELAY Section - ..................... 52
6-29. Schematic Diagram - RELAY Section - ......................... 53
6-30. Printed Wiring Boards - JACK-KEY Section - .............. 54
6-31. Schematic Diagram - JACK-KEY Section - ................... 55
6-32. Printed Wiring Board - POWER Board - ........................ 56
6-33. Schematic Diagram - POWER Board - .......................... 57
7.
EXPLODED VIEWS
7-1. Case
Section
.................................................................... 72
7-2. Front Panel Section ......................................................... 73
7-3. Chassis
7-3. Chassis
Section
............................................................... 74
7-4. DVD Mechanism Deck Section-1
(CDM81C-DVBU101)
(CDM81C-DVBU101)
...................................................
75
7-5. DVD Mechanism Deck Section-2
(CDM81C-DVBU101)
(CDM81C-DVBU101)
...................................................
76
7-6. DVD Mechanism Deck Section-3
(CDM81C-DVBU101)
(CDM81C-DVBU101)
...................................................
77
7-7. Optical Pick-up Section .................................................. 78
8.
ELECTRICAL PARTS LIST
.............................. 79
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