Cf8(Ih Right Comm. Error) (Open/Short) - LG LSE4617ST Service Manual

CHECKING FLOW CHART BY FAILURE
Symptom
CF8(IH Right comm. Error)
(open/short)
1. Check the CN71 Connect
Is the CN71
disconnected or loose
Connection?
1. Comm harness and connector
Is the CN71 normal?
Measure the resistance(Pin to Pin Full Check)
Normal : infinite
Abnormal : shorted
Replace The PCB
9-29
Check Point
Reconnect
Yes
or adjust the
connection
No
No