UPDATE : Yep another blwn bias transistor - second since about April.
Also appears the HV is OK at about 3145 V no load as measured with an
external Fluke DVM , so metering is messed up again.
What I would like to know is what is others experience with bias transistor
failures ? Bad 3-500 ???
Hank K7HP
Centurion readings after a POP
>
> Resting plate current at first division - about 70 ma.
> Plate voltage only 2000 volts and transformer hum sounds like the supply
> is loaded heavily but showing only the 70 ma on the plate meter.
> No grid current
> No fwd/reflected power
> No difference in standby or operate
> No difference QSK or PTT /VOX
>
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