Gsm Receiver - Samsung GT-i6220 Service Manual

Flow Chart of Troubleshooting

9-10. GSM Receiver

RX ON
Cell Power : -60dBm
Yes
FEM101 Pin17≥
-65dBm
Yes
FEM101 VC1, VC2
≥ -68dBm
Yes
FEM101
pin 13 ≥ -70dBm
pin 5,6 ≥ -70dBm
Yes
Check UCP201
END
①
No
Resolder FEM101, L106, C104
No
③
No
Resolder L112, L114, L113,
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Check MODULE101
pin10,pin16 = L
Yes
L115, L116
9-17
No
Check ANT Switch
② control circuit
Resolder FEM101