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Level 3 Repair
8-44
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8-3-10. GSM850 Receiver
RX ON
Cell Power : -60dBm
PAM101 Pin17
-65dBm
(TP:L120 using
spectrum analyzer)
Yes
Resolder PAM101, C134, L129,
C100, L120)
No
Yes
No
Check PAM101
pin5=L, pin6=L
PAM101 Pin11
-68dBm
(TP:L108 using
specturm analyzer)
Check ANT Switch
or ANT is demaged.
No
Yes
Resolder PAM101
Yes
Resolder OSC201
TCXO CLOCK
CHECK?
26MHz @ OSC201
pin 1,3
Yes
No
Check UCP200
Yes
END