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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
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CHECKING FLOW
4. TROUBLE SHOOTING
Check TP1 of SW301
TP1 Signal is OK?
Replace Mobile SW (SW301)
Yes
No
Yes
Mobile SW & TX Module and Saw
Filter is OK.
Check Main Chip U101
Control Signal is
(VLogic)OK ?
No
Yes
Check U301 ?
Replace FL 301 or U301
TP3(High Band),
TP2(Low Band)
Signal is OK ?
No
Yes
EGSM Rx
Содержание GS155
Страница 1: ...Service Manual Model GS155 Internal Use Only Service Manual GS155 Date February 2010 Issue 1 0 ...
Страница 101: ... 102 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 111: ... 112 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...