Gsm900 Receiver - Samsung GT-S3850 Service Manual

Level 3 Repair

8-3-11. GSM900 Receiver

RX ON
Cell Power : -60dBm
Yes
PAM100 Pin01 ≥
-65dBm
(L104 using spectrum
analyzer)
Yes
PAM100 Pin18 ≥
-68dBm
Yes
F100 6,7Pin,
L109,L111,L112,L113 ≥
- 75dBm
Yes
Check UCP200
Yes
END
No
Resolder PAM100, L104,C105,L130,C160
No
No
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Check PAM100
control check
Resolder F100 6,7pin, L109,L111,L112,L113
8-34
No
Check ANT Switch
control circuit
Yes
Resolder PAM100