Samsung galaxy Not 2 GT-N7100 WCDMA Band8 / GSM900 RX 3G Network Not Working Solution  Schematic,Circuit,Diagram



Samsung galaxy Not 2 GT-N7100 WCDMA Band8 / GSM900 RX 2G Network Not Working Solution Step By Step

Step 1

NORMAL CONDITION
catch the channel?

Step 2

Check C103 ≤ -65dBm ?

CHECK soldered
RFS100, L102,C103,C106

Step 3

Check the Voltage at
C101 = VDD_2V85_SUE2 ?

Resolder or change
U100, C101

Step 4

Check L134
≥ -65dBm ?

Resolder or change
L134

Step 5

Check component
soldering status OK at
F100

Resolder or change
F100

Step 6

Check F100 PIN 22,23
≥ -65dBm

Resolder or change
F100

Step 7

Check the voltage at
{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 8

Check the freq. at
OSC100 PIN 1,3: 26MHz ?

Change or resolder
OSC100

Step 9

WCDMA BAND8/GSM900
Receiver is O.K?

Resolder or change
UCP300

Step 10

END


Unofficial Support Site For This Phone By welcome Zone Haldwani 

HOME

Search Tags
Samsung Galaxy  Not 2 GT-N7100 WCDMA Band8 / GSM900 RX 3G Network not working Solution 
Samsung Galaxy  Not 2 GT-N7100 WCDMA Band8 / GSM900 RX 3G Network not Found Solution
Samsung Galaxy  Not 2 GT-N7100 WCDMA Band8 / GSM900 RX 3G Network Error Solution

Android App For This Site

Samsung Usb Drivers
Samsung Android Usb Driver Download

Facebook Page
Do You Want More Update Click Here And Like This Page

Post a Comment