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Only for training and service purposes
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4. TROUBLE SHOOTING
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 is OK.
Check PMB8810
Control Signal is
(VLogic, BS1,
BS2)OK ?
No
Yes
Check TP4 of U301 ?
Replace FEM (U301)
TP2(High Band),
TP3(Low Band)
Signal is OK ?
No
Yes
EGSM Rx