Communication Error (Er Co) - LG LFC25765ST Service Manual

8-8 Communication Error (Er CO)

No
1 Check the loose connection.
2 Check the Orange to White/Black.
CON101
<Display>
3 Check the Orange to Brown.
CON101
<Display>
4 Check the Orange to Red.
CON101
<Display>
5
Check the Orange to Brown.
<CON5>
6
Check the Orange to Red.
<CON5>
Checking flow
<CON101>
<CON101>
<CON101>
Result & SVC Action
Result
12 V
Other
Result
0 V or 5 V
Other
Result
0 V or 5 V
Other
Result
0 V or 5 V
Other
Result
0 V or 5 V
Other
- 22 -
SVC Action
Go to the 3
Check the Hinge
(loose connection)
Change the Main PCB
SVC Action
Change the Display PCB
Go to the 4
SVC Action
Change the Main PCB
Go to the 5
SVC Action
Change the Display PCB
Go to the 6
SVC Action
Change the Main PCB
Explain to customer