LG L240 Service Manual page 62

4. TROUBLE SHOOTING
Pin NO.20
Pin NO.1
Pin NO.40 Pin NO.21
< LCD Connector of a Main FPCB>
L_A(1)
L_WR
<Normal Signal during display>
- You must check signals LCD Connector Side of a Main FPCB because you could check final
signal states through EMI Filter, connector, FPCB and etc.
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