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Level 3 Repair
8-25
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8-3-12. GSM900 Receiver
RX ON
Cell Power : -60 dBm
PAM100 pin 15
≥
-65dBm
Yes
Resolder C114, C130, L109, L110
No
Yes
No
Check PAM100
pin 8, 10 = L
PAM100 pin 18
≥
-68dBm
Check ANT Switch
control circuit
No
Yes
Resolder PAM100
Yes
No
Resolder F100
F100
pin 6, 7
≥
-70dBm
Yes
UCP200
pin G1
≥
-70dBm
pin F1
≥
-70dBm
Resolder C123,C124,L112
No
Yes
Check & Resolder
C123,C124,L112
And PMU Part and UCP200
Yes
END