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4. TROUBLE SHOOTING
CHECKING FLOW
LGE Internal Use Only
LGE Internal Use Only
START
Check of ear_jack condition
A condition is good?
YES
Check condition of
matching components
( C300)
A condition is good?
YES
Check Bias Voltage
VDD_FMR
YES
FM_radio will
work properly
- 106 -
NO
Replace CN300
NO
Give the additory
solder in
C300
NO
Replace
U101
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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