LG GS290 - Page 68

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4. TROUBLE SHOOTING
GS290 Operational Description Revision B
LG Electronics 70/136 LGE Property
STAR
T
Is LCD FPCB
normal?
Signal is normal on
DIF Signal
FL400, FL401, FL402
Assemble
Replace LCD FPCB
Check solder and repair
Damaged filter
Yes
Yes
No
No
Check LCD connector
combination then LCD test
with New LCD
FL400
FL402 FL401