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Samsung GT-C3322 Metro Duos GSM900 Receiver 2G Network not Working Solution

 Samsung GT-C3322 Metro Duos GSM900 Receiver 2G Network not Working Solution Schematic , Diagram , Circuit

 Samsung GT-C3322 Metro Duos GSM900 Receiver 2G Network not Working Solution Step by Step 

Step 1

Normal condition
Catch the channel?
Check Ant and Resoleder
L100,C124,C117,L103,C120

Step 2

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 8,9
>= -75dBm
Check C144,L113,C145
(crack,open,etc)

Step 6

Check UCP200
Unofficial Support Site By welcome Zone Haldwani 

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Samsung GT-C3322 Metro Duos GSM900  Receiver Network not working Solution 
Samsung GT-C3322 Metro Duos GSM900 not connect Solution
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