Read Sony DAV-LF1 / HCD-LF1 Service Manual online
3
HCD-LF1
TABLE OF CONTENTS
1.
SERVICING NOTES
................................................
4
2.
GENERAL
...................................................................
8
3.
DISASSEMBLY
3-1.
Disassembly Flow ........................................................... 10
3-2.
Stand Section ................................................................... 11
3-3.
Cover (MAIN/CDM) ....................................................... 11
3-4.
Chassis Section ................................................................ 12
3-5.
DLED Board .................................................................... 12
3-6.
STBY KEY Board, EJECT KEY Board ......................... 13
3-7.
Mechanism Deck (CDM80AT-DVBU29T) ..................... 13
3-8.
DMB07 Board ................................................................. 14
3-9.
DISPLAY Board .............................................................. 14
3-10. I/O Board ......................................................................... 15
3-11. DVD-POW Board ............................................................ 15
3-12. Chassis (Top) ................................................................... 16
3-13. Lever (Loading R/L) ........................................................ 17
3-14. Disc Stop Lever, Disc Sensor Lever ................................ 18
3-15. DRIVER Board ............................................................... 18
3-16. RF Board ......................................................................... 19
3-17. Optical Pick-up (DBU-3) ................................................ 19
3-18. Base Unit ......................................................................... 20
3-19. Lever (BU Lock) ............................................................. 20
3-20. Close Lever ...................................................................... 21
3-21. DIR Lever, Gear (IDL-B) ................................................ 21
3-22. Gear (IDL-C) ................................................................... 22
3-11. DVD-POW Board ............................................................ 15
3-12. Chassis (Top) ................................................................... 16
3-13. Lever (Loading R/L) ........................................................ 17
3-14. Disc Stop Lever, Disc Sensor Lever ................................ 18
3-15. DRIVER Board ............................................................... 18
3-16. RF Board ......................................................................... 19
3-17. Optical Pick-up (DBU-3) ................................................ 19
3-18. Base Unit ......................................................................... 20
3-19. Lever (BU Lock) ............................................................. 20
3-20. Close Lever ...................................................................... 21
3-21. DIR Lever, Gear (IDL-B) ................................................ 21
3-22. Gear (IDL-C) ................................................................... 22
4.
TEST MODE
............................................................... 23
5.
ELECTRICAL ADJUSTMENTS
.......................... 32
6.
DIAGRAMS
6-1.
Block Diagram
— RF SERVO Section — ................... 34
— DVD DSP Section — ................................................. 35
— AUDIO Section — ...................................................... 36
— MAIN Section — ....................................................... 37
— AUDIO Section — ...................................................... 36
— MAIN Section — ....................................................... 37
6-2.
Printed Wiring Board — RF Section — ......................... 38
6-3.
Schematic Diagram — RF Section — ........................... 39
6-4.
Printed Wiring Board — DRIVER Section — ............... 40
6-5.
Schematic Diagram — DRIVER Section — ................. 40
6-6.
Printed Wiring Board — DMB07 Section (Side A) — .. 41
6-7.
Printed Wiring Board — DMB07 Section (Side B) — .. 42
6-8.
Schematic Diagram — DMB07 Section (1/10) — ........ 43
6-9.
Schematic Diagram — DMB07 Section (2/10) — ........ 44
6-10. Schematic Diagram — DMB07 Section (3/10) — ........ 45
6-11. Schematic Diagram — DMB07 Section (4/10) — ........ 46
6-12. Schematic Diagram — DMB07 Section (5/10) — ........ 47
6-13. Schematic Diagram — DMB07 Section (6/10) — ........ 48
6-14. Schematic Diagram — DMB07 Section (7/10) — ........ 49
6-15. Schematic Diagram — DMB07 Section (8/10) — ........ 50
6-16. Schematic Diagram — DMB07 Section (9/10) — ........ 51
6-17. Schematic Diagram — DMB07 Section (10/10) — ...... 52
6-18. Printed Wiring Board — DVD-POW Section — ........... 53
6-19. Schematic Diagram — DVD-POW Section (1/2) — ..... 54
6-20. Schematic Diagram — DVD-POW Section (2/2) — ..... 55
6-21. Printed Wiring Board — DISPLAY Section — ............. 56
6-22. Schematic Diagram — DISPLAY Section — ................ 57
6-23. Printed Wiring Board — TOUCH KEY Section — ....... 58
6-24. Schematic Diagram — TOUCH KEY Section — ......... 59
6-25. Printed Wiring Board — I/O Section — ........................ 60
6-26. Schematic Diagram — I/O Section — ........................... 61
6-11. Schematic Diagram — DMB07 Section (4/10) — ........ 46
6-12. Schematic Diagram — DMB07 Section (5/10) — ........ 47
6-13. Schematic Diagram — DMB07 Section (6/10) — ........ 48
6-14. Schematic Diagram — DMB07 Section (7/10) — ........ 49
6-15. Schematic Diagram — DMB07 Section (8/10) — ........ 50
6-16. Schematic Diagram — DMB07 Section (9/10) — ........ 51
6-17. Schematic Diagram — DMB07 Section (10/10) — ...... 52
6-18. Printed Wiring Board — DVD-POW Section — ........... 53
6-19. Schematic Diagram — DVD-POW Section (1/2) — ..... 54
6-20. Schematic Diagram — DVD-POW Section (2/2) — ..... 55
6-21. Printed Wiring Board — DISPLAY Section — ............. 56
6-22. Schematic Diagram — DISPLAY Section — ................ 57
6-23. Printed Wiring Board — TOUCH KEY Section — ....... 58
6-24. Schematic Diagram — TOUCH KEY Section — ......... 59
6-25. Printed Wiring Board — I/O Section — ........................ 60
6-26. Schematic Diagram — I/O Section — ........................... 61
7.
EXPLODED VIEWS
7-1.
Stand Section ................................................................... 84
7-2.
Main Section .................................................................... 85
7-3.
Chassis Section ................................................................ 86
7-4.
Mechanism Deck Section-1 (CDM80AT-DVBU29T) .... 87
7-5.
Mechanism Deck Section-2 (CDM80AT-DVBU29T) .... 88
7-6.
Mechanism Deck Section-3 (CDM80AT-DVBU29T) .... 89
7-7.
Base Unit Section ............................................................ 90
8.
ELECTRICAL PARTS LIST
.................................. 91
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