Service BulletinAmateur Radio Division

Subject: TS-120S - Transistor ReplacementDate: July 10, 1979

When ordering single replacement 2SC2290 Final transistors for the TS-120S, please specify the same hfe rank, by color. When replacing pairs of finals, always select the same hfe rank for both transistors.

Rank designation will be found printed on the transistor, directly under the transistor type number.

hfe Rank:
Red30 - 65
Orange55 - 95
Yellow85 - 150

©1979 Kenwood