Gsm850 Receiver - Samsung GT-S3850 Service Manual

8-3-10. GSM850 Receiver

RX ON
Cell Power : -60dBm
Yes
PAM100 Pin11 ≥
-65dBm
(L104 using spectrum
analyzer)
Yes
PAM100 Pin18 ≥
-68dBm
Yes
F100 8,9pin,
D100,D101,L105,L106,L
107,L108 ≥
- 75dBm
Yes
Check UCP200
Yes
END
No
Resolder PAM100, L104,C105,L130,C160
No
No
Resolder F100,D100,D101,L105,L106,L107,L108
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Check PAM100
control check
8-33
Level 3 Repair
No
Check ANT Switch
control circuit
Yes
Resolder PAM100