Samsung galaxy S4 I9500 DCS/PCS TX 3G Network Not Working Solution

Samsung galaxy S4 I9500 DCS/PCS TX 3G Network Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy S4 I9500 DCS/PCS TX 3G Network Not Working Solution Step By Step

Step 1

F100 PIN 4 :

About 30dBm ?

CHECK soldered

- RFS100, L111, C136

Step 2

Check F100 PIN 6

About 30dBm

Resolder or change

F100

Step 3

Check the Voltage at

C166 = VBATT ?

Resolder or change

C166, L119

Step 4

Check component
soldering status OK at

F101

Resolder or change
F101

Step 5
Check F101 PIN 10
About 30dBm ?

Resolder or change

F101

Step 6

Check U102 PIN 9
About 30dBm ?

Resolder or change
C154, L118

Step 7

Check U102 PIN 24
About 10dBm?

Resolder or change
U102

Step 8

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

Change or resolder
OSC100
Step 9
Check component
soldering status ok at
U103

Resolder or change
U103

Step 10

DCS/PCS Transmitter is O.K?

Resolder or change
U300

Step 11

END

Unofficial Support Site For This Phone By Welcome Zone Haldwani

HOME

Search Tags

Samsung Galaxy S4 I9500 DCS/PCS TX 3G Network Not Operate Solution 

Samsung Galaxy S4 I9500 DCS/PCS TX 3G Network Not Connect Solution

Samsung Galaxy S4 I9500 DCS/PCS TX 3G Network  Not Control 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

ADS HERE !!!