LG KF350 Service Manual page 70

Check LCD connector
combination then LCD test
Signal is normal on
FL302, FL304, FL306
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Only for training and service purposes
START
with New LCD
Is LCD FPCB
normal?
Yes
DIF Signal
Yes
Assemble
4. TROUBLE SHOOTING
No
Replace LCD FPCB
Check solder and
No
Damaged filter
FL302, FL304, FL306
- 71 -
repair
LGE Internal Use Only