Intermittent grid to filament short. Change the toob.
73, Alek.
On 24/01/2019 1:10 AM, Thomas F. Giella wrote:
I have an Ameritron AL-80B amplifier that has developed a problem. The plate
and grid meter values will intermittently change.
The grid lg value goes from 0 to off scale in the negative and the plate Ip value from
0 to +150. When this happens I can’t get any output power.
Any help would be appreciated.
73& GUD DX,
Thomas F. Giella, W4HM
Lakeland, FL, USA
https://groups.io/g/w4hmradiowavepropagationforecast
https://www.facebook.com/thomasfranklingiellaw4hm
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