Samsung Anycall GT-B5722C Service Manual page 26

Flow Chart of Troubleshooting
9-11. LOW BAND Receiver -Master
RX ON
RF INPUT=62CH
AMP=-50dBm
Yes
Check F100
pin 12(EGSMRX)
≥ -65dBm
Yes
Check U103
pin 17, 18, 19, 20
≥ -65dBm
Yes
Check UCP200
MOD_STANDBY=HIGH
PON_PA=LOW
BAND=LOW
Yes
END
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No
Resolder or Change
F100
No
Resolder or Change
U103
No
Resolder or Change
UCP200
9-20