Samsung galaxy Not 2 GT-N7100 WCDMA BAND5 TX 3G Network Not Working Solution

Samsung galaxy Not 2 GT-N7100 WCDMA BAND5 TX 3G Network Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy Not 2 GT-N7100 WCDMA BAND5 TX 3G Network Not Working Solution Step by Step

Step 1

U100 PIN11 : About

30dBm ?

CHECK soldered

- RFS100,C103, L102

C107,L100,ANT100

Step 2

Resolder or change

Check the Voltage at

C101 = VDD_2V85_SUE2 ?

Step 3

Check C118,L107 :
About 22dBm ?

Resolder or change
C118,L107

Step 4

Check component
soldering status OK at
F100

Resolder or change
F100

Step 5

Check L138,L111 :
About 22dBm ?

Resolder or change
L138,L111

Step 6

Check the Voltage at
R105,C134=VOUT_CHARGER?

Resolder or change
U103, R105,C134

Step 7

Check C124,C139
About 0dBm ?

Resolder or change
C124,C139

Step 8

Resolder or change
U104
NO
{C150 = VOUT_CHARGER ?}
& {C165, C166, C167 =
VOUT_CHARGER?}
& {C149, C174 = 2.85V ?}
& {C144, C172 = 2.65V ?}
& {C148, C177 = 1.8V?}

& {C147, C175, C173 = 1.2V?}

Resolder or change

U104

Step 9

Change or resolder
OSC100

Check the freq. at

OSC100 PIN 1,3: 26MHz ?

Step 10

WCDMA BAND5 Transmitter is O.K?

 Resolder or change
UCP300

Step 11

END

Unofficial Support Site For This Phone By welcome Zone Haldwani 

HOME

Search Tags

Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND5 TX 3G Network not working Solution 

Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND5 TX 3G Network Not Signal Solution

Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND5 TX 3G Network Error Solution

Android App For This Site

Download

Samsung Usb Drivers

Samsung Android Usb Driver Download

Facebook Page

Do You Want More Update Click Here And Like This Page