Samsung GT-C3322 Metro Duos PCS Receiver Network not Working Solution

 Samsung GT-C3322 Metro Duos PCS Receiver Network not Working Solution Schematic, Diagarm , Circuit

 Samsung GT-C3322 Metro Duos PCS Receiver Network not Working Solution Step by Step

Step 1

Normal condition

Catch the channel?

Check Ant and Resoleder

L100,C124,C117,L103,C120

Step 2

RFS100

Pin 2

>= -60dBm

Resolder RFS100,L104,L101

Step 3

PAM100

Pin 15

>= -70dBm

Check PAM100

Step 4

PAM

Pin 18

>= -70dBm

Check F101,C135,L109

(crack,open,etc)

Step  5

F101

Pin 8,9

>= -75dBm

Check C136,L110,C138

(crack,open,etc)

Step 6

Check UCP200

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Samsung GT-C3322 Metro Duos PCS  Receiver Network not working Solution 

Samsung GT-C3322 Metro Duos PCS Receiver not connect Solution

Samsung GT-C3322 Metro Duos PCS Receiver Network not Reachble Solution

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Samsung galaxy S2 GT-I9100 WCDMA BAND1 TX 3G Network Not Working Solution

Samsung galaxy S2 GT-I9100 WCDMA BAND1 TX  3G NEtwork Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy S2 GT-I9100 WCDMA BAND1 TX  3G NEtwork Not Working Solution Step By Step

Step 1

Check U101 PIN11 :

About 22 dBm ?

CHECK soldered
- RFS100,L107,C107,L108,

C106,C104,C105,ANT100

Step 2

Check the Voltage at
C102 = VBATT ?

Resolder or change
U101, C102

Step 3

Check C108, L102 :
About 22dBm ?

Resolder or change
C108, L102

Step 4

Check component
soldering status OK at
F100

Resolder or change
F100

Step 5

Check C132, C126 :
About 22dBm ?

Resolder or change
C132, C126

Step 6

Check the Voltage at
R741,C117=VOUT_CHARGER?

Resolder or change
PAM100, R741, C117

Step 7

Check C124, L111
About 0dBm ?

Resolder or change
C124, L111

Step 8

Check the voltage at
{C138 = VOUT_CHARGER ?}
& {C169, C170, C171
= VOUT_CHARGER?}
& {C137, C174 = 2.85V ?}
& {C134, C176 = 2.65V ?}
& {C136, C178 = 1.8V?}

& {C135, C175, C173 = 1.2V?}

Resolder or change

U104

Step 9

Check the freq. at C123

: 26MHz ?

Change or resolder

OSC100

Step 10

WCDMA band1 Transmitter is O.K?

Resolder or change

UCP300

Step 11

END

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Samsung Galaxy S2 GT-I9100 WCDMA BAND1 TX 3G Network Not working Solution 

Samsung Galaxy S2 GT-I9100 WCDMA BAND1 TX 3G Network Not Responding Solution

Samsung Galaxy S2 GT-I9100 WCDMA BAND1 TX 3G Network Not Properly Work Solution

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Samsung galaxy S2 GT-I9100 WCDMA BAND2 TX 3G network Not Working Solution

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Samsung galaxy S2 GT-I9100 DCS/PCS TX Network Not Working Solution

Samsung galaxy S2 GT-I9100 DCS/PCS TX Network Not Working Solution Schematic,Diagram,Circuit

Samsung galaxy S2 GT-I9100 DCS/PCS TX Network Not Working Solution Step By Step 

Step 1

U101 PIN11 : About

27dBm ?

CHECK soldered
- RFS100,L107,C107,L108,

C106,C104,C105,ANT100

Step 2

Check the Voltage at

C102 = VBATT ?

Resolder or change

U101, C102

Step 3

Check C111, C118 :

About 27dBm ?

Resolder or change

C111, ,C118

Step 4

Check the Voltage at

R741,C117=VOUT_CHARGER?

Resolder or change

PAM100, R741, C117

Step 5

Check C124, L111 :

About -4dBm ?

Resolder or change

C124, L111

Step 6

Check the voltage at
{C138 = VOUT_CHARGER ?}
& {C169, C170, C171
= VOUT_CHARGER?}
& {C137, C174 = 2.85V ?}
& {C134, C176 = 2.65V ?}
& {C136, C178 = 1.8V?}

& {C135, C175, C173 = 1.2V?}

Resolder or change

U104

Step 7

Check the freq. at C123

: 26MHz ?

Change or resolder

OSC100

Step 8

DCS/PCS Transmitter is O.K?

Resolder or change

UCP300

Step 9

END

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Samsung Galaxy S2 GT-I9100 DCS/PCS TX Network Not working Solution 

Samsung Galaxy S2 GT-I9100 DCS/PCS TX Network Not Responding Solution

Samsung Galaxy S2 GT-I9100 DCS/PCS TX Network Not Error Solution

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Samsung GT-C3322 Metro Duos GSM 900 Transmitter Network not Working Solution

 Samsung GT-C3322 Metro Duos GSM 900 Transmitter Network not Working Solution Schematic, Diagram , Circuit

 Samsung GT-C3322 Metro Duos GSM 900 Transmitter Network not Working Solution Step by Step 

Step 1

RFS Pin2

>= 20dBm

Resolder L110,C117,C124,L103,C120

Step 2

PAM100 Pin17

>= 20dBm

Resolder RFS100,L101,L104

Step 3

PAM100 Pin27

>= 20 dBm

Resolder or Change PAM100

Step 4

Check UCP200,L114

(crack,open,etc)

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Samsung GT-C3322 Metro Duos GSM 900 Transmitter Network not working Solution 

Samsung GT-C3322 Metro Duos GSM 900 Transmitter not connect Solution

Samsung GT-C3322 Metro Duos GSM 900 Transmitter Network not Reachble Solution

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Samsung GT-C3322 Metro Duos DCS Transmitter Network not Working Solution

 Samsung GT-C3322 Metro Duos DCS Transmitter Network not Working Solution Schematic , Diagram , Circuit

 Samsung GT-C3322 Metro Duos DCS Transmitter Network not Working Solution Step by Step 

Step 1 

RFS Pin2

>= 20dBm

Check Ant and Resoleder

L100,C124,C117,L103,C120

Step 2

PAM100 Pin15

>= 20dBm

Resolder RFS100,L101,L104

Step 3

PAM100 Pin2

>= 20 dBm

Resolder or Change PAM100

Step 4

Check UCP200,C149

(crack,open,etc)

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Samsung GT-C3322 Metro Duos  DCS Transmitter Network not working Solution 

Samsung GT-C3322 Metro Duos  DCS Transmitter not connect Solution

Samsung GT-C3322 Metro Duos  DCS Transmitter Network not Reachble Solution

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Samsung galaxy S2 GT-I9100 GSM850 GSM900 TX 2G Network Not Working Solution

Samsung galaxy S2 GT-I9100 GSM850/GSM900 TX 2G Network Not Working Solution Schematic,Circuit Diagram

Samsung galaxy S2 GT-I9100 GSM850/GSM900 TX 2G Network Not Working Solution Step by Step 

Step 1

U101 PIN11 : About

30dBm ?

CHECK soldered
- RFS100,L107,C107,L108,
C106,C104,C105,ANT100

Step 2

Check the Voltage at
C102 = VBATT ?

Resolder or change
U101, C102

Step 3

Check C120, L110, L113
: About 30dBm ?

Resolder or change
C120, L110, L113

Step 4

Check the Voltage at
R741,C117=VOUT_CHARGER?

Resolder or change

PAM100, R741, C117Step 5Check C125, L112 :

About 0dBm ?
Resolder or change
C125, L112

Step 6

Check the voltage at
{C138 = VOUT_CHARGER ?}
& {C169, C170, C171
= VOUT_CHARGER?}
& {C137, C174 = 2.85V ?}
& {C134, C176 = 2.65V ?}
& {C136, C178 = 1.8V?}
& {C135, C175, C173 = 1.2V?}

Resolder or change
U104

Step 7

Check the freq. at C123
: 26MHz ?

Change or resolder
OSC100

Step 8

GSM850/900 Transmitter is O.K?

Resolder or change
UCP300

Step 9

END

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Samsung Galaxy S2 GT-I9100 GSM850/GSM900 TX 2G Network Not working Solution 

Samsung Galaxy S2 GT-I9100 GSM850/GSM900 TX 2G Network Not Responding Solution

Samsung Galaxy S2 GT-I9100 GSM850/GSM900 TX 2G Network Error Solution

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