Samsung galaxy Grand i9082 WCDMA BAND1 TX 3G Network not working Solution

Samsung galaxy Grand i9082WCDMA BAND1 TX 3G Network not working Solution Schematic , Diagram, Circuit

Samsung galaxy Grand i9082WCDMA BAND1 TX 3G Network not working Solution Step by step

Step 1

Check U101 PIN13 :

About 22 dBm ?

CHECK soldered

RFS100, C152, C153, L100,

L101, L144, ANT100

Step 2

Check the Voltage at

C100 = VBAT_RF ?

Resolder or change

U101, C100

Step 3

Check L147, L109 :

About 22dBm ?

Resolder or change

L147, L109

Step 4

Check component

soldering status OK at

DUF101

Resolder or change

DUF101

Step 5

Check L113, L114, C118 :

About 22dBm ?

Resolder or change

L113, L114, C118

Step 6

Check the Voltage at

C104=VOUT_CHARGER?

Check C149 :

About 0dBm ?

Step 7

Resolder or change

C149

Step 8

Check the voltage at

{C139,C138 =

VOUT_CHARGER ?}

& {L402

= VOUT_CHARGER?}

& {C136, C137,C453 = 2.7V ?}

& {C142, C143,C453 = 2.7V ?}

Resolder or change

U104

Step 9

Check the freq. at

OSC100

PIN1,3 : 26MHz ?

Change or resolder

OSC100

Step 10

WCDMA band1 Transmitter is O.K?

Resolder or change

UCP300

Unofficial Support Site By welcome Zone Haldwani 

HOME

Search Tags

Samsung Galaxy Grand i9082   WCDMA BAND1 TX 3G Networknot working solution 

Samsung Galaxy Grand i9082    WCDMA BAND1 TX 3G Network not reacheble Solution

Samsung Galaxy Grand i9082    WCDMA BAND1 TX 3G Network not available 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 !!!