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9-2-4. PCS RX
NORMAL CONDITION
catch the channel?
U100 CHECK
pin2 ≥ -65dBm ?
U100 CHECK
pin18, 19 ≥ -65dBm ?
U100 CHECK
pin7 : 2.9V ?
pin18, 19 Vp-p
: 120mV ?
PCS Receiver is O.K?
SAMSUNG Proprietary-Contents may change without notice
NO
YES
NO
YES
NO
YES
NO
YES
NO
U100
YES
NO
YES
END
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CHECK soldered
ANT contact, C114, C115
U100, RFS100
resolder or change
U100
resolder or change
U100, UCP300
resolder or change
UCP300
resolder or change
PCS RX path component
resolder or change
9-14
Flow Chart of Troubleshooting
CONTINUOUS RX ON
RF INPUT : 661CH
AMP : -50dBm
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