LG C1100 Service Manual page 65

4. Trouble Shooting
Checking Flow
module with LCD connector on
Check the soldering of CN201
Change the FPCB and try again.
The FPCB which connects the main
has a problem. Replace the FPCB.
START
Is the connection of LCD
PCB OK?
Yes
Yes
Check the soldering of
Connector at LCD module.
Yes
Yes
Check the soldering
of CRC filter
Yes
Does LCD work properly?
Yes
board and LCD module
LCD WILL WORK
PROPERLY.
No
Reassemble LCD module with LCD connector.
No
No
Resolder connector.
At LCD module
FPCB Check
No
Resolder CRC filter.
No
Replace LCD module.
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Resolder CN201.