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Flow Chart of Troubleshooting
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7-27
7-18. WCDMA Transmitter
TX ON (PDM for 23dBm)
C208
>= -5Bm
C209
>= -5dBm
PAM201(WPAM)pin8
>= 20dBm
Resolder F201
(WTX SAW)
Check & Resolder PAM201
(WPAM)
MIS201( Iso.) pin2
>= 20dBm
Yes
Yes
Yes
Yes
No
No
No
END
Resolder MIS201
( Isolator)
No
Check & Resolder U101
(RTR6250)
Yes
C205
>= 20dBm
Check & Resolder F203
(DPLX)
No
Yes
C104
>= 20dBm
No
Check & Resolder RFS103
(ASM)
Yes