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LGE Internal Use Only
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Only for training and service purposes
4. TROUBLE SHOOTING
CHECKING FLOW
A condition is good?
START
Check of BT Ant condition
NO
YES
YES
BT will
work properly
Check condition of
matching components
C708,C709(TP1,TP2)
A condition is good?
NO
YES
Give the additory solder in
(C708,C709,R707)
Replace Ant701,Ant702
Check Bias Voltage
VDD_IO_1V8
YES
NO
Replace
U701
Check RTC32K
C712
YES
NO
Replace
U701
Check BT_CLK_26M
C713
NO
Replace
U701
C709,C710