Samsung Galaxy Note 3 SM-N900 WCDMA BAND2 TX 3G Network not Working Solution Schematic, Diagram ,Circuit 


Samsung Galaxy Note 3 SM-N900 WCDMA BAND2 TX 3G Network not Working Solution Step by Step 

Step 1


F100 PIN 4 :
About 22dBm ?

CHECK soldered
- CN100, L100, C104

Step 2


Check F100 PIN 6
About 22dBm

Resolder or change
F100

Step 3


Check the Voltage at
C104 = VBATT ?

Resolder or change
C104, L110

Step 4


Check component
soldering status OK at
F101

Resolder or change
F101

Step5

Check F101 PIN 5
About 22dBm ?

Resolder or change
F101

Step 6

Check U101 PIN 10
About 22dBm ?

Resolder or change
C114, L110

Step 7


Check the freq. at
OSC100 PIN 4 : 26MHz ?

Change or resolder
OSC100

Step 8


Check component
soldering status ok at
U103

Resolder or change
U103

Step 9

Band2 Transmitter is O.K?

Resolder or change
UCP300







Unofficial Support Site By welcome Zone Haldwani 

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Samsung Galaxy Note 3 SM-N900 WCDMA BAND2 TX 3G Network not working Solution 
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