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Flow Chart of Troubleshooting
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9-31
9-17. PCS Transmitter
Resolder TCX400
(TXVCO)
Yes
Check U100
(MSM6275)
END
No
No
No
No
Yes
Yes
Yes
Yes
Resolder F400
(FEM)
Resolder PAM401(PAM)
F400(FEM)
pin12
>= 20dBm
PAM401(PAM) pin15
>= 15dBm
TCX400(TXVCO)
pin1
>= 2dBm
TX ON (0Level)
Resolder PAM401
(PAM)
PAM401 Pin6
>= 1V
Содержание SGH-Z560
Страница 29: ...8 PCB Diagrams 8 1 Top ...
Страница 30: ...PCB Diagrams 8 2 Bottom ...