LG GB210 - Page 53

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