LG -T370 Service Manual page 78

4. TROUBLE SHOOTING
START
No
Is the connection of
Reassemble LCD connector
CN601 with LCD connector ok ?
Yes
Check the Voltage
No
Level of MLED1~%(TP1~5)are
Resoldering or Replace U601
about Battery voltage ? LCD BL Ctrl
(TP7)signal is high Level)
Yes
No
Resoldering EMI filter.
Check the Waveform of EMI filter ?
(FL601,FL60,FL603)
(FL601,FL60,FL603,TP606)
No
Replace LCD module
Does LCD work properly ?
Yes
LCD working well !
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