Samsung Galaxy Note 3 SM-N900 GSM1800 RX 2G Network not Working Solution

Samsung Galaxy Note 3 SM-N900 GSM1800 RX 2G Network not Working Solution Schematic, Diagram , Circuit

Samsung Galaxy Note 3 SM-N900 GSM1800 RX 2G Network not Working Solution Step by Step 

Step 1

NORMAL CONDITION

catch the channel?

Step2

Check C100 ≤ -65dBm ?

CHECK soldered

CN100, L106, C110

Step 3

Check F100 PIN6

≤ -65dBm ?

Resolder or change

F100

Step 4

NO

Check the voltage at

C104= V_Battery ?

CHECK soldered

L100, C104

Step 5

Check component

soldering status OK at

F101

Resolder or change

F101

Step 6

Check F101 PIN 25, 26

≤ -65dBm ?

Resolder or change

F101

Step 7

Check the voltage at

{L107= V_Battery ?}

& {C122, C129 = 2.5V ?}

& {C116, C112, C133 = 2.32V }

& {C121 = 1.8V?}

& {C120, C119, C118, C111,

C105 = 1.5V?}

& {C124, C109 = 1.2V?}

Resolder or change

U103

Step 8

Check the freq. at

OSC100 PIN 4 : 26MHz ?

Change or resolder

OSC100

Step 9

GSM1800 Receiver is O.K?

Resolder or change

U300

Unofficial Support Site By welcome Zone Haldwani 

HOME

Search Tags

Samsung Galaxy Note 3 SM-N900  GSM1800 RX 2G Network not working Solution 

Samsung Galaxy Note 3 SM-N900 GSM1800 RX 2G Network not connect Solution

Samsung Galaxy Note 3 SM-N900  GSM1800 RX 2G Network Support 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