Samsung GT-M3710L Service Manual page 26

9-13. GSM850 Transmitter
TX ON (5Level)
Yes
PAM100 Pin4 ≥
-65dBm
Yes
PAM100 Pin15
≥ -30dBm
③
Yes
Resolder L109, L114, C117,
C151, C152
END
9-14. GSM Transmitter
TX ON (5Level)
Yes
PAM100 Pin4 ≥
-65dBm
Yes
PAM100 Pin15
≥ -30dBm
③
Yes
Resolder L109, L114, C117,
C151, C152
END
①
No
Resolder R107
No
①
No
Resolder R107
No
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No
Check PAM100
Pin8=H, Pin9=L,
Pin10=H
②
Yes
No
Check PAM100
Pin8=H, Pin9=L,
Pin10=H
②
Yes
9-20
Flow Chart of Troubleshooting
Check ANT Switch
control circuit
Change or Resolder PAM100
Check ANT Switch
control circuit
Change or Resolder PAM100