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Flow Chart of Troubleshooting
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9-35
9-19. WCDMA Transmitter
TX ON (PDM for 23dBm)
C520
>= -5Bm
C521
>= -5dBm
PAM501 pin9
>= 20dBm
Resolder F501
(WTX SAW)
Check & Resolder PAM501
(WPAM)
C519
>= 20dBm
Yes
Yes
Yes
Yes
No
No
No
END
Resolder F502
(DPLX)
No
Check & Resolder U500
(RTR6250)
Yes
C403
>= 20dBm
Check & Resolder F400
(FEM)
No
Yes
Содержание SGH-Z560
Страница 29: ...8 PCB Diagrams 8 1 Top ...
Страница 30: ...PCB Diagrams 8 2 Bottom ...