User Guide

SAMSUNG Proprietary-Contents may change without notice
SGH-E100 Flow Chart of Troubleshooting
7-17
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11. GSM Receiver
MODULE1 Pin5
>= -65dBm
Resolder CON201, C210
END
No
Yes
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
Check MODULE1
pin8 = L, pin4 = L
MODULE1 pin7
>= -65dBm
F100 pin2
>= -70dBm
U100 pin6, 7, 8, 9
>= 1V
U100
pin32 >= -70dBm
pin33 >= -70dBm
Check ANT Switch
control circuit
Resoder MODULE1
Resolder F100, C102, L106
Resolder L100, L106, L107
Check & Resolder
U100
RF26MHz, RF PSU Part
R123, R125, R127,
R128 >= 1V
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Check U504