Sony XBR-65X930C Service Manual page 143

3-3-6. 5 Times Blinking (Panel Communication Error)
5-times blinking
Check
"+12.5V_TCON" at
CN9000
on the B-Board
OK
Replace the Harness
Between G-Board
and B-Board
NG
Replace
the V-By-One FFC
NG
XBR-65X930C, 75X940C, 945C
NG
OK
Replace G-Board
NG
Symptom
improve
Harness is
suspicious
Symptom
improve
V-By-One FFC
is suspicious
Change
B-Board
G-Board is
suspicious
B-Board is
suspicious
TROUBLE SHOOTING
NG
Change
Panel (T-con)
Symptom Symptom
improvement improvement
Panel (T-Con) is
suspicious
143