Samsung galaxy Not 2 GT-N7100 DCS/PCS TX3G Network Not Working Solution Schematic,Circuit,Diagram
Samsung galaxy Not 2 GT-N7100 DCS/PCS TX3G Network Not Working Solution St
Step By Step
Step 1
U100 PIN11 : About30dBm ?
CHECK soldered- RFS100,C103, L102C107,L100,ANT100Check the Voltage atC101 = VDD_2V85_SUE2 ?
Resolder or changeU100, C101Step 3
Check C135,L110,C136: About 30dBm ?
Resolder or changeC135,L110,C136Step 4
Check the Voltage atR105,C134=VOUT_CHARGER?
Resolder or changeU103,R105,C134Step 5
Check C138,C121: About 0dBm ?
Resolder or changeC138,C121Step 6
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 changeU104Step 7
Check the freq. atOSC100 PIN 1,3: 26MHz ?
Change or resolderOSC100Step 8
DCS/PCS Transmitter is O.K?
Resolder or changeUCP300Step 9
END
Unofficial Support Site For This Phone By welcome Zone Haldwani
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