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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.5 Keypad And Touch key Trouble
4.5.1 Keypad Trouble
START
YES
NO
1
Press the Keypad
Keypad operates well?
Change Main Board
Check BtoB connector short?
CN501(Main Bíd), CN100(Keypad)
Change Keypad
NO
YES
Resolder BtoB connector
CN501(Main Bíd) or CN100(Keypad)
Keypad operates well?
Keypad operates well?
NO
NO
Finish
YES
YES
Check side key short?
NO
Resolder side key
YES
(Camera key or volum key)
Keypad operates well?
YES
NO
NO
Содержание KU580
Страница 1: ...Date August 2007 Issue 1 0 Service Manual Model KU580 Service Manual KU580 Internal Use Only ...
Страница 165: ... 166 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 185: ... 186 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 187: ... 188 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 208: ...Note ...
Страница 209: ...Note ...