Samsung galaxy Grand i9082 DCS RX Network not working Solution

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Samsung galaxy Grand i9082 DCS RX Network not working Solution Schematic , Diagram , Circuit 

Samsung galaxy Grand i9082 DCS RX Network not working Solution Step by Step

Step 1

NORMAL CONDITION
catch the channel?

Step 2

Check L101 ≤ -65dBm ?

CHECK soldered
RFS100, L101,C153,L144,C152

Step 3

Check the Voltage at

C100 = VBAT_RF ?

Resolder or change

U101, C100

Step 4

Check C114

≥ -65dBm ?

Resolder or change

C114

Step 5

Check component

soldering status OK at

F101

Resolder or change

F101

Step 6

Check F101 PIN 3,4

≥ -65dBm

Resolder or change

F10

Step 7

Check the voltage at

{C139,C138 =

VOUT_CHARGER ?}

& {L402

= VOUT_CHARGER?}

& {C136, C137,C453 = 2.7V ?}

& {C142, C143,C453 = 2.7V ?}

Resolder or change

U104

Step 8

Check the freq. at

OSC100

PIN1,3 : 26MHz ?

Change or resolder

OSC100

Step 9

DCS Receiver is O.K?

Resolder or change

UCP300

END

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Samsung Galaxy Grand i9082  DCS RX Network not working solution 

Samsung Galaxy Grand i9082  DCS RX Network not able to catch the channel Solution

Samsung Galaxy Grand i9082  DCS RX Network not connect the channel Solution

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