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4. TROUBLE SHOOTING
CHECKING FLOW
Is the connection of
TP1 with LCD connector ok ?
Check the Voltage Level of
TP5 is about Battery voltage ?
(SWIF signal is high Level)
Check the Waveform of
LCD working well !
LGE Internal Use Only
START
YES
YES
EMI filter ?
YES
Does LCD work
properly ?
YES
4. TROUBLE SHOOTING
NO
Reassemble LCD connector
NO
Resoldering or Replace U400
NO
Resoldering EMI filter.
(TP2,TP3,TP4)
NO
Replace LCD module
77/140
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