Sony XBR-55X850D Service Manual page 31
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Also See for XBR-55X850D:
- Service manual (197 pages) ,
- Instruction manual (114 pages) ,
- Reference manual (56 pages)
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2-1. LED BLINKING 2X (MAIN POWER ERROR)
Case: BMFW2 structure
with G* board
2-time blinking
Check +12V_REG
at pin 11/13 of on B Board
(CN9000 BMFW2),
Voltage > 13.2V ?
No
BMFW2 Board
with AC-ADP
2-time blinking
Check +12V_REG
at pin 11/13 of on B Board
(CN9000 BMFW2),
Voltage > 13.2V ?
No
BMFW2 Board
XBR-55X850D/857D, 65X850D/855D/857D, 75X850D
Yes
G* Board
Yes
LD* Board
Case: BM1 + DPS structure
with G* board
2-time blinking
Check +12V_REG
Yes
at pin 11/13 of on B Board
(CN9000 BM1),
Voltage > 13.2V ?
No
BM1 Board
G* Board
with AC-ADP
2-time blinking
Check +12V_REG
Yes
at pin 11/13 of on B Board
(CN9000 BM1),
Voltage > 13.2V ?
No
DPS Board /
BM1 Board
IC403 on DPS
TROUBLE SHOOTING
31
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