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Flow Chart of Troubleshooting
9-22
9-15. DCS Transmitter
9-16 PCS Transmitter
TX ON (5Level)
①
Yes
PAM100 Pin31
≥
-65dBm
No
Resolder C124, R116
Yes
Check ANT Switch
control circuit
PAM pin14
≥
-30dBm
Check PAM100
Pin8=H, Pin9=H,
Pin10=H
No
No
②
Change or Resolder
PAM100
Yes
Yes
END
TX ON (5Level)
①
Yes
PAM100 Pin31
≥
-65dBm
No
Yes
Check ANT Switch
control circuit
PAM pin14
≥
-30dBm
Check PAM100
Pin8=H, Pin9=H,
Pin10=H
No
No
②
Change or Resolder
PAM100
Yes
Yes
END
Resolder L108, L109, C132,
C134, L110
Resolder C124, R116
Resolder L108, L109, C132,
C134, L110
③
③