LG KP105 - Page 56

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4. TROUBLE SHOOTING
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START
Does the SIM cards
supports 2V or 3V ?
NO
Change the SIM Card. Our phone
supports only 2V or 3V SIM card.
YES
Check TP1
NG
OK
TP1 = 2.85V
Change board
Check soldering
status of J101 and
Other component
OK
NG
Resolder J101 or
other component
R129/R130/C133/
C134/C135
OK
Check Operation
Change board
Re-download SW
Checking Flow