LG GX200 - Page 123

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4.21.3 Checking Flow
Start
Change earphone
cable and try again
Re-work or change
CPU (U401) and try
again
Check the
C1207 .1(TP1) and
R1213 .1(TP2) of
Voltage is OK?
Check a condition of
C1209 .1(TP3) 32KHz clock is
Well ?
NO
YES
NO
YES
NO
YES
Re-work or change
U1302 and try again
Check a condition of
U1302 soldering is well ?
NO
YES
Re-work or change
CPU (U401) and try
again
Check the earphone is
OK or not ?
FM function will
operate properly
Re-Download SW