Read Sony HCD-BC150 / HCD-BC250 (serv.man2) Service Manual online
2
HCD-BC150/BC250
TABLE OF CONTENTS
1.
SERVICING NOTE
...................................................
3
2.
DISASSEMBLY
2-1.
Disassembly Flow ...........................................................
6
2-2.
Case, Front Panel Assy Section .......................................
7
2-3.
PANEL Board, FL Board, H/P Board,
POWER SW Board .........................................................
POWER SW Board .........................................................
8
2-4.
SWITCHING REGULATOR ..........................................
8
2-5.
AMP Board ......................................................................
9
2-6.
DMB07 Board .................................................................
9
2-7.
SPK Board, IO Board, DC Fan ....................................... 10
2-8.
MAIN Board .................................................................... 10
2-9.
LF Board .......................................................................... 11
2-10. MD Rear Cover ............................................................... 11
2-11. DVD Mechanism Deck (CDM81A-DVBU27) ............... 12
2-12. TRAY .............................................................................. 13
2-13. MOTOR Board, M761 (LD/ST Motor),
2-11. DVD Mechanism Deck (CDM81A-DVBU27) ............... 12
2-12. TRAY .............................................................................. 13
2-13. MOTOR Board, M761 (LD/ST Motor),
M762 (BU U/D Motor) ................................................... 13
2-14. Base Unit (DVBU27) ...................................................... 14
2-15. RF Board ......................................................................... 14
2-16. Optical Pick-up (DBU-1) ................................................ 15
2-15. RF Board ......................................................................... 14
2-16. Optical Pick-up (DBU-1) ................................................ 15
3.
DIAGRAMS
3-1.
Block Diagram – RF/SERVO Section – ......................... 17
– VIDEO Section – .......................................................... 18
– AMP Section – .............................................................. 19
– AUDIO Section – .......................................................... 20
– POWER Section – ........................................................ 21
– VIDEO Section – .......................................................... 18
– AMP Section – .............................................................. 19
– AUDIO Section – .......................................................... 20
– POWER Section – ........................................................ 21
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