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?
catch the channel?
Step 2
Check L101 ≤ -65dBm ?
CHECK soldered
RFS100, L101,C153,L144,C152
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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