SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-41
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9-12. PCS Receiver
RX ON
Sector Power = -50dBm
U100 pin11
>=-60dBm
U100 pin21,22
>=-70 dBm
No
Yes
No
Check
U100 truth
table
No
Yes
Check U101 & UCP200
END
Yes
U101 pin36,37
>=-75 dBm
Yes
Resolder or Change
L105,L106,L107,C134
No
Pin#6: Low
Pin#5: High
Pin#4: High
Resolder RFS100,
C104,L100,R100,
C105
Check
R106,R109,
R118,UCP200
Resolder or
Change U100