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4. TROUBLE SHOOTING
FM Radio
LGE Internal Use Only
START
Check of ear_jack condition
A condition is good?
YES
Check condition of
matching components
(L300, C307)
A condition is good?
YES
Check Bias Voltage
2V8_BT at TP1
YES
Check BT_32k at TP5?
YES
FM_Radio work is good?
YES
FM_radio will
work properly
NO
Replace CN300
NO
Give the additory solder in
L301, C301
NO
Replace
U203
NO
Replace
U103
NO
Replace
U200
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Only for training and service purposes
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