Service BulletinAmateur Radio Division

Subject: TS-120S - Band Pass Filter ChangeDate: February 7, 1980

For complaints of out of band interference, especially BCI, the BPF (Band Pass Filter) terminating resistors may be changed for an improvement of about 10db.

On the RF unit X44-1260-01 change R3, R5, R7, R9, and R11 from 1.5K ohm to 470 ohm. No adjustments are required.

Changes are circled in red.

©1980 Kenwood