LG GX200 - Page 57

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4.1.3 Checking Flow
The Phone will
POWER ON
Start
Check Battery Voltage
> 3.35V ?
Charge or Change
Battery
1. Re-work J801
2. Charge key board
3. Try again
Check key board
connector is well?
Re-work or change
CPU (U401), U202
Check the Voltage of
U401,U202 Output of
TP1~TP6 ?
Re-work or change
X401, X201 and
around Component
Check X401 output is
32.768KHz and X201, output
is 26MHz ?
Re-work or change
CPU (U401)
Check TP11 (SYSRST_B) and
TP10 (BBWAKEUP) signal is
NO
YES
YES
NO
YES
NO
YES
NO
NO
YES