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4. Trouble Shooting
z
MAIN KEY Backlight LED Trouble
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NO
Is the Voltage level VBAT
3.35 ~4.2?
Backlight will work
properly
START
YES
Check the soldering of
R703, R704 or Replace
LEDs not working
NO
Are all LEDs
LED700 ~701(Main key)
Working?
Charge Battery
YES
Main key is
Working?
YES
Check the condition of
doom sheet. If problem,
Replace the doom sheet
NO
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 ...
Страница 129: ... 130 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 139: ... 140 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 173: ...Note ...
Страница 174: ...Note ...