Samsung GT-C3322 Metro Duos GSM850 Receiver not Working Solution Schematic, Diagram , Circuit

Samsung GT-C3322 Metro Duos GSM850 Receiver not Working Solution Step by Step
Step 1
Normal condition
Catch the channel?
Check Ant and Resoleder
L100,C124,C117,L103,C120
RFS100
Pin 2
>= -60dBm
Resolder RFS100,L104,L101
Step 3
PAM100
Pin 15
>= -70dBm
Check PAM100
Step 4
PAM100
Pin 17
>= -70dBm
Check F102,L112,C142
Step 5
F102
Pin 6,7
>= -75dBm
Check C139,L111,C143
(crack,open,etc)
Step 6
Check UCP200
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