5. Trouble shooting
Check TP6 of CN600 with RF Cable and TP9 of C631
TP10 Signal same as TP10?
Yes
Check TP1, TP2 of U600 ?
Yes
Control Signal is
OK ?
Yes
TP9 Signal is
OK ?
Yes
Mobile SW & FEM is OK.
Check Antenna.
No
Replace Mobile SW (CN600)
No | Check PMB8888(U102) |
|
No
Replace FEM (U600)
EGSM TX
TP1(ANT SW1)
TP2(ANT SW2)
Mobile SW | FEM Control Signals |
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|
| Only for training and service purposes |
