Sony KDL-65W850C Service Manual page 38

3) 5 times blinking (Panel Communication Error (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
KDL-65W850C, 855C, 857C, 75W850C, 855C
NG
G* Board/LD
Symptom
improve
Harness
Symptom
improve
LVDS Harness
TROUBLE SHOOTING
NG
Change
B* Board Panel (T-con)
Symptom
improvement
B*Board
Refer I2C Error
Checking in next slide
Change
Size B* Board G* Board
65"
BMX GL1SB
75"
BMX GL1C
38