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Samsung Galaxy Note 3 SM-N900 WCDMA BAND5 TX 3G Network not Working Solution

Samsung Galaxy Note 3 SM-N900 WCDMA BAND5 TX 3G Network not Working Solution Schematic Diagram Circuit

Samsung Galaxy Note 3 SM-N900 WCDMA BAND5 TX 3G Network not Working Solution Step by Step 

Step1

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

Step 5

Check F101 PIN 35
About 22dBm ?
Resolder or change
F101

Step 6

Check U101 PIN 36
About 22dBm ?
Resolder or change
C145, L111, C147

Step 7

Check U101 PIN 26
About 0dBm?
Resolder or change
U101

Step 8

Check the freq. at
OSC100 PIN 4 : 26MHz ?
Change or resolder
OSC10

Step 9

Check component
soldering status ok at
U103
Resolder or change
U103

Step 10

Band5 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 BAND5 TX 3G Network not working Solution 
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