Read Sony KD-49X8005C Service Manual online
KD-49/55X8005C,XBR-55/65X800C,805C,807C,809C,810C
126
TROUBLE SHOOTING
3-3-7. 6 Times Blinking (Backlight Error)
Harness /
Connection
broken
6-times blinking
Check a voltage of
BL_ERR_DET.
Check point is
JL9007
or
23pin of CN9000
on B*Board
Voltage ≥ 1.9 V
Symptom
Improvement
Harness
Change
harness
Change
B* board
B* Board
Harness /
Connection OK
No improvement
Voltage < 1.8 V
Panel
Change
Panel
Symptom
Improvement
No Improvement
Symptom
Improvement
LED driver or G* board
Change LD board or G* board.
No improvement
LD board/G board
Symptom
Improvement
Check
harness/connection
G*board to B*Board
or
LD board to B*Board
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