LG-ID3100
LGE
LG Electronics Inc.
Checking Flow
START
Turn on the phone
Is the voltage level of
(TP1~TP8)
3.2-4.2V?
Check LEDs’ directions
Charge or Change Battery and try again
Check the soldering of each Resister or
Replace them.
Re-solder or replace LEDs
NG
No
NG
OK
Yes
OK
BACKLIGHT WILL
WORK PROPERLY
Check the signal level at
TP9(KYPD_EN)=high?
Replace U201(QSC6010)
No
Yes
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LGE Internal Use Only