TOSHIBA FT3808BK
Instrukcja Serwisowa

6.Voice can�t be transmitted to other party.
Check the handset MIC sensitivity.

NG

At the MIC of the handset, does the bias voltage exist.

OK
Check the handset TX AF circuit (around PIN1-11 of HU7 and HU5C).

OK
Check the base RX TELLine out.

OK
Check the base RX sensitivity.

NG

Check the base RX RF circuit and mixer circuit (around BQ7).

OK
The handset MIC is defective.

19