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9-25. WCDMA 1900 Receiver
RX ON
Sector PWR = -50dBm
MOD101 Pin 2
>= -60dBm
Yes
MOD101 Pin 22
>= -70dBm
Yes
F105 Pin 6
>= -75dBm
Yes
F105 Pin 1
>= -75dBm
Yes
Change MOD101,F105,UCP301
No
No
No
No
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Resolder RFS101,C1024,L101
Check MOD101
Truth Table
Pin 3 : LOW
Pin 4 : LOW
Pin 5 : LOW
Pin 6 : HIGH
Resolder C176,C177,L123
Resolder or change
L124,C187,C188
9-41
Flow Chart of Troubleshooting
Yes
Resolder or change MOD101
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