LG KG330 Service Manual page 64

4. TROUBLE SHOOTING
RTC Trouble (2)
START
No
Resolder C100,C101,
Check soldering of R116
C101,C107,C100,X100 OK?
C107,X100
Yes
No
Voltage of C100
Change main board
= 3.3V?
Yes
Replace X101 and try again.
RTC WILL
WORK PROPERLY.
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