Sony KD-49X9 F Series Service Manual page 33

2.5 LED BLINKING: 5x (Panel ID Read Error)
BM2A
5-times blinking
Check
NG
"+12.5V_TCON"
on T-CON Board
OK
Symptom
Replace the Harness improve
Between G Board
and BM2A
NG
Symptom
improve
Replace
the V-By-One FFC
NG
OK
Replace
G Board
G Board
NG
Harness
V-By-One FFC
NG
Replace
BM2A Board
Symptom
improvement
BM2A Board
Replace
Panel (T-con)
Symptom
improvement
Panel (T-con)
33