Samsung GT-I9295 Service Manual page 93

Level 3 Repair
8-3-21. GSM850 RX
NORMAL CONDITION
catch the channel?
Check RFS100
Check the Voltage at
C327 = VBATT ?
Check C100
≥ -65dBm ?
Check component
soldering status OK at
F101
Check L109
≥ -65dBm
Check the voltage at
C303 = 2V
C320 = 1.8V
C302 = 1.3V
Check the freq. at
OSC400 PIN 1 :
19.2MHz ?
GSM850 Receiver is O.K?
END
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NO
≤ -65dBm
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
&
&
YES
NO
YES
NO
CHECK soldered
RFS100
Resolder or change
U301,L302
Resolder or change
C100
Resolder or change
F101
Resolder or change
L109
Resolder or change
U300
Change or resolder
OSC400
Resolder or change
U500
8-50