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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
9-23
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9-2-3. PCS Receiver
TCX100
change
END
PCS Receiver is ok?
PCS RX path component
resolder or change
NO
CONTINUOS RX ON
RF INPUT : 698CH
Cell power : -50dBm
NORMAL CONDITION
catch the channel?
1
NO
CHECK
C101, C140, contact
YES
2
RFS100
resolder or change
F101 CHECK
pin13
≥
-65dBm?
NO
YES
3
NO
F101
resolder or change
F101 CHECK
pin5,6
≥
-65dBm?
YES
UCD100 CHECK
pin10,11
≥
-65dBm?
4
L105,L106,C139
resolder or change
NO
YES
5
UCD100 CHECK
pin34 : 2.8V
NO
UCP300 PIN A13, C313
resolder or change
YES
TCX100 CHECK
UCD100 CHECK
Pin19,21:13MHz
NO
YES