Sony KD-55X8500A Service Manual page 108

3) 5 times blinking (T-Con Error)
5-time blinking
Check PANEL_VCC
12.5V at pin 47-51 of
CN8001 on
on the B Board on the B* Board
About 12.5V OK
Replace the Harness Replace the Harness
Between G* and Panel
NG
Replace the Harness
Between CN3802 and Tcon
(41pin)
NG
KD-55/65 X8500A/ X8504A
NG
G* Board
Symptom
improvement
Harness
Symptom
improvement
VBO Harness
NG
Panel (T-con)
B Board B* Board
change h
Confirm Tcon12V.
Symptom
improvement
Panel (T-con)
TROUBLE SHOOTING
108