SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-21
9-13. GSM850 Transmitter
①
②
9-14. GSM Transmitter
①
②
Change or Resolder PAM100
Yes
PAM100 Pin4
≥
-65dBm
TX ON (5Level)
Check PAM100
Pin8=H, Pin9=L,
Pin10=H
PAM100 Pin15
≥
-30dBm
Check ANT Switch
control circuit
Yes
Yes
Yes
No
No
No
END
Change or Resolder PAM100
Yes
PAM100 Pin4
≥
-65dBm
TX ON (5Level)
Check PAM100
Pin8=H, Pin9=L,
Pin10=H
PAM100 Pin15
≥
-30dBm
Check ANT Switch
control circuit
Yes
Yes
Yes
No
No
No
Resolder R107
END
Resolder L109, L114, C117,
C151, C152
Resolder L109, L114, C117,
C151, C152
Resolder R107
③
③