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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
FM IC is problem .
Replace t he U304
YES
YES
Solde rin g the C315
NO
Check t he sold erin g
statu s Of C327
O.K?
Check t he sig nal o f C325, C328
Can you see a signal?
START
YES
Go to the speaker/
EAR_MIC Trouble
shooting
NO
Check 32.76 8kHz signal
of C3 41
Can you see a signal?
Check the VRABB Voltag e(2.8V)
O.K?
NO
Go to th e Power Trouble
shooting
The CL K Buf fer is
problem.
Replace t heU306
YES
NO
CHECKING FLOW
Содержание KP151Q
Страница 1: ...Service Manual Model KP151Q Service Manual KP151Q Date September 2008 Issue 1 0 Internal Use Only ...
Страница 107: ... 108 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 127: ...Note ...
Страница 128: ...Note ...