Table of Contents
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Flow Chart of Troubleshooting
9-11. GSM Receiver
RX ON
Cell Power : -60dBm
Yes
PAM100 Pin17
≥ -65dBm
Yes
PAM100 Pin 12, 13
≥ -68dBm
Yes
UCP200
pin G1 ≥ -70dBm
pin F1 ≥ -70dBm
Yes
Check UCP200
END
No
Resolder L101, L103, L104, C106
No
No
Resolder C117, C118, C119
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Check PAM100 pin30
= L
Yes
9-21
No
Check ANT Switch
control circuit
Resolder PAM100
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