Saturday, August 29, 2015

Samsung Galaxy Note 3 SM-N900 WCDMA BAND1 TX 3G Network not Working Solution

Samsung Galaxy Note 3 SM-N900 WCDMA BAND1 TX 3G Network not Working Solution Schematic , Diagram , Circuit


Samsung Galaxy Note 3 SM-N900 WCDMA BAND1 TX 3G Network not Working Solution Step by Step


Step 1

F100 PIN 4 :
About 22dBm ?

CHECK soldered
- CN100, L100, C104

Step 2


Check F100 PIN 6
About 22 dBm

Resolder or change
F100

Step 3

Check the Voltage at
C104 = VBATT ?

Resolder or change
C104, L110

Step 4


Check component
soldering status OK at
F101

Resolder or change
F101

Step 5


Check F101 PIN 7
About 22 dBm ?

Resolder or change
F101

Step 6

Check U101 PIN 13
About 22dBm ?

Resolder or change
L113, C140

Step 7


Check U101 PIN 24
About 0dBm?

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

Band1 Transmitter is O.K?

Resolder or change
UCP300





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Samsung galaxy Not 2 GT-N7100 MHL MOBILE HIGH DEFINITION LINK Not Working Solution

Samsung galaxy Not 2 GT-N7100  MHL MOBILE HIGH DEFINITION LINK Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy Not 2 GT-N7100  MHL MOBILE HIGH DEFINITION LINK Not Working Solution Step By Step

Step 1
MHL Does not work

Step 2

Check if MHL_ID goes High

Check the MHL Cable (for 11Pin USB
connector) and

check the IF sub FPCB is well connected.

Step 3

Check the R801 works

properly

Change the R801's state.

Step 4

Check the voltage of
L800(1.2V), L801(1.2V),
C803(3.3V), C811(1.8V),

C756(2.8V)

Check the LDOs (U806, U805)

Step 5

Replace U800

Step 6

END

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Samsung Galaxy  Not 2 GT-N7100 MHL MOBILE HIGH DEFINITION LINK Audio/Video Not Solution

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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 
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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 
Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND5 TX 3G Network Not Signal 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 
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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



Unofficial Support Site For This Phone By welcome Zone Haldwani 

HOME

Search Tags
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
Samsung Galaxy  Not 2 GT-N7100 WCDMA BAND2 TX 3G Network Error Solution

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