Sony GN3TR - Led Blinking 5 X (Panel ID Read Error)

XBR-49/55/65/75X900E
TROUBLE SHOOTING
FLOW
2-4. LED BLINKING 5X (PANEL ID READ ERROR)
29
5-times blinking
Check
“+12.5V_TCON”
at C400 on BMKS
Replace the Harness
Between G/JK board
and BMKS
Replace
the V-By-One FFC
Replace
BMKS board
Replace
Panel (T-con)
Harness
V-By-One FFC
is suspicious
BMKS board
NG
OK
NG
Symptom improve
NG
NG
G/JK board
Replace
G/JK board
NG
Panel (T-Con)
OK
G/LD Board: G board or LD board
Symptom improve
Symptom improve
Symptom improve