Samsung galaxy Not 2 GT-N7100 WCDMA BAND8 TX 3G Network Not Working Solution

Samsung galaxy Not 2 GT-N7100 WCDMA BAND8 TX 3G Network Not Working Solution Schematic Circuit,Diagram

Samsung galaxy Not 2 GT-N7100 WCDMA BAND8 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
U100, C101

Check the Voltage at

C101 = VDD_2V85_SUE2 ?

Step 3

Check L134 :
About 22dBm ?

Resolder or change
L134

Step 4

Check component
soldering status OK at
F100

Resolder or change
F100

Step 5

Check C143 :
About 22dBm ?

Resolder or change
C143

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

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 9

Check the freq. at

OSC100 PIN 1,3: 26MHz ?

Change or resolder

OSC100

Step 10

WCDMA BAND8 Transmitter is O.K?
Resolder or change
UCP300

Step 11

END

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Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND8 TX TX 3G Network not working Solution 

Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND8 TX TX 3G Network Not Signal Solution

Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND8 TX TX 3G Network Error Solution

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Samsung Galaxy Note 3 SM-N900 DCS/PCS TX Network not Working Solution

Samsung Galaxy Note 3 SM-N900  DCS/PCS TX Network not Working Solution Schematic, Diagram ,Circuit

Samsung Galaxy Note 3 SM-N900  DCS/PCS TX Network not Working Solution Step by Step 

Step 1

F100 PIN 4 :

About 30dBm ?

CHECK soldered

- CN100, L100, C104

Step 2

Check F100 PIN 6

About 30dBm

Resolder or change

F100

Step 3

Check the Voltage at

C166 = VBATT ?

Resolder or change

C104, L110

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 U101 PIN 24

About 10dBm?

Resolder or change

U101

Step 7

Check the freq. at

OSC100 PIN 4 : 26MHz ?

Change or resolder

OSC100

Step 8

Check component

soldering status ok at

U103

Resolder or change

U103

Step 9

DCS/PCS Transmitter is O.K?

Resolder or change

U300

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Samsung Galaxy Note 3 SM-N900 DCS/PCS TX Network not working Solution 

Samsung Galaxy Note 3 SM-N900  DCS/PCS TX Network not Connect Solution

Samsung Galaxy Note 3 SM-N900  DCS/PCS TX Network not Support Solution

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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

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

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Samsung Galaxy Note 3 SM-N900 GSM850/GSM900 TX 2G Network not Working Solution

Samsung Galaxy Note 3 SM-N900 GSM850/GSM900 TX 2G Network not Working Solution Schematic , Diagram , Circuit

Samsung Galaxy Note 3 SM-N900 GSM850/GSM900 TX 2G Network not Working Solution Step by Step 

Step 1

F100 PIN 4 :

About 30dBm ?

CHECK soldered

- CN100, L100, C104

Step 2

Check F100 PIN 6

About 30dBm

Resolder or change

F100

Step 3

Check the Voltage at

C104 = VBATT ?

Resolder or chan

C104, L110

Step 4

Check component

soldering status OK at

F101

Resolder or change

F101

Step 5

Check F101 PIN 9

About 30dBm ?

Resolder or change

F101

Step 6

Check U101 PIN 4

About 30dBm ?

Resolder or change

L112, C139

Step7

Check U101 PIN 26

About 10dBm?

Resolder or change

U101

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

GSM850/900 Transmitter is O.K?

Resolder or change

U300

                                               Samsung Note 3 N900 GSM 850 GSM 900 TX Solution

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Samsung Galaxy Note 3 SM-N900 GSM850/GSM900 TX 2GNetwork not working Solution 

Samsung Galaxy Note 3 SM-N900 GSM850/GSM900 TX 2GNetwork not Connect Solution

Samsung Galaxy Note 3 SM-N900 GSM850/GSM900 TX 2G Network not Support Solution

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Samsung galaxy Not 2 GT-N7100 WCDMA BAND2 TX 3G Network Not Working Solution

Samsung galaxy Not 2 GT-N7100 WCDMA BAND2 TX 3G Network Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy Not 2 GT-N7100 WCDMA BAND2 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

U100, C101

Check the Voltage at

C101 = VDD_2V85_SUE2 ?

Step 3

Check L132 :

About 22dBm ?

Resolder or change

L132

Step 4

Check component

soldering status OK at

F100

Resolder or change

F100

Step 5

Check L137 :

About 22dBm ?

Resolder or change

L137

Step 6

Check the Voltage at

R105,C134=VOUT_CHARGER?

Resolder or change

U103, R105,C134

Step 7

Check C138, C121

About 0dBm ?

Resolder or change

C138, C121

Step 8

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 9

Change or resolder

OSC100

Check the freq. at

OSC100 PIN 1,3: 26MHz ?

Step 10

WCDMA BAND2 Transmitter is O.K?

Resolder or change

UCP300

Step 11

END

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Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND2 TX 3G Network not working Solution 

Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND2 TX 3G Network Not Signal Solution

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Samsung galaxy Not 2 GT-N7100 WCDMA BAND1 TX 3G Network Not Working Solution

Samsung galaxy Not 2 GT-N7100 WCDMA BAND1 TX 3G Network Not Working SolutionSchematic,Circuit,Diagram

Samsung galaxy Not 2 GT-N7100 WCDMA BAND1 TX 3G Network Not Working Step byStep

Step  1

U100 PIN11 : About

30dBm ?

CHECK soldered
- RFS100,C103, L102

C107,L100,ANT100

Step 2

Check the Voltage at

C101 = VDD_2V85_SUE2 ?

Resolder or change

U100, C101

Step 3

Check L104 :

About 22dBm ?

Resolder or change

L104

Step 4

Check component
soldering status OK at

F100

Resolder or change

F100

Step 5

Check C140,L136 :

About 22dBm ?

Resolder or change

C140,L136

Step 6

Check the Voltage at

R105,C134=VOUT_CHARGER?

Resolder or change

U103, R105,C134

Step 7

Check C138, C121

About 0dBm ?

Resolder or change

C138, C121

Step 8

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 9

Check the freq. at

OSC100 PIN 1,3: 26MHz ?

Change or resolder

OSC100

Step  10

WCDMA BAND1 Transmitter is O.K?

Resolder or change

UCP300

Step11

END

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Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND1 TX 3G Network not working Solution 

Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND1 TX 3G Network Not Signal Solution

Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND1 TX3G Network Error Solution

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Martech Box III update V 0.1.2.2555 Setup Download

Martech Box III  update V 0.1.2.2555

Unofficial support site  By Welcome Zone Haldwani

Latest Update: 

-BN0 881(FIS) Blaupunkt VW 7 612 002 010 1K0 035 191A
-Concert CD Grundig Audi 8E0 035 186NX
-INE-S900R Alpine
-Radio Navigation System Blaupunkt VW 7 612 001 019 4B0 035 192M
-RNS 315 EU Technisat VW 3C8 035 279F
-Symphony II,CQ-EA1370L Panasonic Audi 8E0 035 195M


How to update Box III? Run martech_ams3.exe or download:
http://box3.martech.pl/martech ams3.exe

Check supported models and functions in demo version:
http://box3.martech.pl/martech_ams3 exe

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