Flow Chart of Troubleshooting
9-14. GSM Receiver
RX ON
RF input : CH center freq : +67.7kHz
Amp :
Yes
C105
No
>=
| Yes | No | |
| |||
L117 | |||
| |||
>= |
| ||
Resolder F100
Yes
No
U100 pinResolder U100
10, 11, 12, 13
or
>= 500mVCheck pins related to U100
Yes
Check U100
END
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