Led Blinking 5X (Panel Communication Error) – A) 12.5V Ng - Sony KDL-43W7 C Series Service Manual

Troubleshooting
3-2-4. LED BLINKING 5x (Panel Communication Error) – a) 12.5V NG
5-times blinking
Check
PANEL_VCC 12.5V at
CN8400
on the B* Board
OK
Replace the Harness
Between G* /LD board
and B board
NG
Replace
the LVDS Harness
NG
XM-A/DT : *3-1-1 No Power
– LD Board
NG NG
Check 12.5V
G* Board/LD
G*/LD Board
OK
Symptom
improve
Harness
Symptom
improve
LVDS Harness
NG
Change
Change
B* Board
Panel (T-con)
Symptom
improvement
B*Board
Refer I2C Error
Checking in next slide
Note: Board Details refer Section 3
main page.
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