LG MG370 Service Manual page 57

4. TROUBLE SHOOTING
CHECKING FLOW
START
Is the connection of
FPCB with connector on
PCB(CN200) ok ?
YES
Check the soldering of
CN200 ?
YES
Check the voltage
Of 2V85_VIO ?
YES
Check the signals of
LCD data & command
YES
Does LCD work
properly ?
YES
LCD working well !
LGE Internal Use Only
NO
Reassemble FPCB with CN200connector
NO
Re-soldering CN200
NO
Check the U103
NO
Check the FL200, FL201
NO
Replace LCD module
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