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CHECKING FLOW
LGE Internal Use Only
START
Check of ear_jack condition
A condition is good?
YES
Check condition of
matching components
(L501,C501,VA501)
L501(TP1), C501(TP), VA501(TP3)
A condition is good?
YES
Check Bias Voltage FM LNA
(LNA_EN_L203)
YES
A condition is good?
YES
Check Bias Voltage
VDD_FMR(C225)
YES
FM_radio will
work properly
NO
Replace J501
Give the additory
NO
solder in
(L501,C501,VA501)
NO
Replace Q202
Replace
NO
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4. TROUBLE SHOOTING
(TP1~3)
U201
Only for training and service purposes
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