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4. Trouble Shooting
4.15 Ear-Mic Headset MIC Trouble Shooting
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
U102(ABB) is broken.
Change the board.
NO
YES
NO
Re-solder
C307,C308,L303,FB300,
VA301,L100,C119
NO
Disassemble the rear case of phone.
Connect the Ear-Mic Headset
to the Ear-Mic Socket of phone.
Check Soldering of
C307,C308,L303,FB300,VA300,
L100,C119
Is it O.K?
Check the status of R300,R301.
Is itís voltage 2.5V?
Check the soldering Pin #2
of CN300
U102(ABB) is broken.
Change the board.
YES
START
Resolder Pin #2 of CN300
YES
Содержание KM710
Страница 1: ...Date May 2008 Issue 1 0 Service Manual Model KM710c Service Manual KM710c Internal Use Only ...
Страница 123: ... 124 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
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Страница 173: ...Note ...
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