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9-13. EGSM Receiver
RX ON
RF input : 62CH
Amp : -50dBm
Yes
F101 pin8
>= -65dBm
Yes
F101 pin5, pin6
>= -65dBm
Yes
U102
pin29 >= -70dBm
pin30 >= -70dBm
Yes
U102 pin7,8,9,10
>= 1V
Yes
C144, C145
>= 1V
Yes
Check UCP200
END
No
Resolder RFS100, C101
No
No
No
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Check F101
pin9,10,12 = L
Yes
Resolder C119, C121, L114
Check U102
pin23,26,28,31
>=2.7V
Yes
9-20
Flow Chart of Troubleshooting
No
Check ANT Switch
control circuit
Resolder F101
No
Check & Resolder
U102, R103,R105,R106
RF26MHz, RF PSU Part
Resolder U102
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