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Only for training and service purposes
4. TROUBLE SHOOTING
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START
Check TP1
If GSM over 31 dBm?
If DCS/PCS over 28dBm?
Check TP2, TP3
If TP2 over 29dBm?
If TP3 over 25dBm?
Check PAM Block OK?
Refer to chapter 3.5.3
Check Soldering of PAM (U101)
If pr oblem still exist,
replace the PAM
Change the Boar d
Pr oblem resolved ?
Yes
Yes
Yes
Yes
No
No
No
No
GSM/DCS/PCS Tx is OK
Check other par t
Check Fr ont-End
Module
Refer to chapter 3.4
Check the RTR6235
GSM/DCS/PCS Tx is OK
Summary of Contents for KE990 - Viewty Cell Phone 100 MB
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