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4. TROUBLE SHOOTING
ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
62/140
CHECKING FLOW
4. TROUBLE SHOOTING
Check TP1 of SW301
TP1 Signal is OK?
Replace Mobile SW (SW301)
Yes
No
Mobile SW & TX
Module is OK.
Check MT6253(U102)
Control Signal is
(TP6,7,8,9,10)OK ?
No
Yes
Check TP11 of U303
Replace TX module (U303)
TP2,3(High Band),
TP4,5(Low Band)
Signal is OK ?
No
Yes
EGSM Rx