SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-29
9-18. PCS Receiver
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
Yes
Resolder RFS100,C101,L141
No
F101 Pin10
>= -65dBm
Yes
Check F101
pin15 = H
pin11,13,16=L
F101 pin3,4
>= -68dBm
Check ANT Switch
control circuit
No
No
Yes
Resolder F101
Yes
Resolder C113,C119,L108
U102
pin 32 >= -74dBm
pin 33 >= -74dBm
No
Yes
Check & Resolder
U102, R138, C114
RF26MHz, RF PSU Part
Check U102 pin
23,26,31 >=2.7V
No
U102 pin 7.8.9.10
>= 1V
No
Resolder U102
Yes
Yes
Check UCP200
END