Sony XR-75Z9K Service Manual page 35

TROUBLESHOOTING
2.5 5x LED Blinking – P_ID_ERR
5-times blinking
Check
NG
VDD on T-CON Board
= 12V (±10%)
OK
Symptom
Replace the Harness
improve
Between Power Board
and Main Board
NG
Symptom
improve
Replace
the V-By-One FFC
NG
OK
Replace
Power Board
Power Board
NG
Harness
V-By-One FFC
NG
Replace
Main Board Panel (T-con)
Symptom
improvement
Main Board Panel (T-con)
Replace
Symptom
improvement
35
SYS SET