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Level 3 Repair
8-29
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8-3-10. GSM850 Receiver
RX ON
Cell Power : -60dBm
PAM100 Pin11
≥
-65dBm
(L103 using spectrum
analyzer)
Yes
Resolder PAM100, L103,C114
No
Yes
No
Check PAM100
control check
PAM100 Pin18
≥
-68dBm
Check ANT Switch
control circuit
No
Yes
Resolder PAM100
Yes
Resolder F100,D100,D101,C153,L106,L107,C154
F100 8,9pin,
D100,D101,C153,L106,
L107,C154
≥
-
75dBm
Yes
No
Check UCP200
Yes
END