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SAMSUNG Proprietary-Contents may change without notice
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Flow Chart of Troubleshooting
9-36
9-17. DCS RX
RX ON
Sector Power = -50dBm
F101 pin11
>=-60dBm
F101 pin19,20
>=-70 dBm
No
Yes
No
Check F101
truth table
No
Yes
Check U101 & UCP201
END
Yes
U101 pin38,39
>=-75 dBm
Yes
1.
Check FEM(F101) input
2.
Check FEM(F101) output
3.
Check RTR6275(U101) input
4.
Check RTR6275(U101) , MSM6260(UCP201)
Resolder or Change
L103,L104,L105
No
②
①
③
④
Pin#6: Low
Pin#5: Low
Pin#4: High
Resolder RFS101,
C105,L101,R105,L132
Check R107,R110,
R116,UCP201
Resolder or
Change F101