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Flow Chart of Troubleshooting
9-18
9-10. GSM Receiver
RX ON
Cell Power : -60dBm
PAM100 Pin31
≥
-65dBm
①
Yes
Resolder PAM100, C116, C119,
C121
No
Yes
No
Check PAM100 pin16,
pin17 = L
PAM100 VC1, VC2
≥
-68dBm
Check ANT Switch
control circuit
No
②
Yes
Resolder PAM100
Yes
③
PAM100
pin 13
≥
-70dBm
pin 26
≥
-70dBm
Resolder L113, L116
No
Yes
Check UCP200
END
Summary of Contents for GT S3650
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