Sony KD-55A8F - 2.5 LED BLINKING: 5 x (Panel ID Read Error)

2.5 LED BLINKING: 5x (Panel ID Read Error)
5-times blinking
Check
“+12.5V_TCON”
on T-CON Board
Replace the Harness
Between G Board
and BM2A
Replace
the V-By-One FFC
Replace
BM2A Board
Harness
V-By-One FFC
BM2A Board
NG
OK
NG
Symptom
improvement
Symptom
improve
Symptom
improve
NG
NG
G Board
Replace
G Board
NG
Panel (T-con)
Symptom
improvement
OK
Replace
Panel (T-con)
32
BM2A
SYSSET
2018/03/1622:32:44(GMT+09:00)