DX-60B Final Amp Question

Brian Carling bcarling at CFL.RR.COM
Sat May 1 18:42:23 EDT 2004


Have you checked the resistor values in the voltage divider that provides the bias
to the final?

Quite honestly if it sounds good on the air, and it is working well, I wouldn't worry
about it if it were me.

I can't think of any other trouble indicators. can anyone else?

On 1 May 2004 at 10:40, Goss, Ed wrote:

> Hello,
>      When operating my DX-60B, everything appears normal; power
>      output,
> drive current, plate current, etc.  Unit tunes up fine; 60 watts out.
> The only thing I don't see is the key-up final plate current of 5 to
> 20 ma. I don't see any current at all on the meter in the key-up
> condition (function sw in CW position).  Voltages seem correct (except
> bias on pin 5 of the final seems high at -79 volts), but otherwise all
> looks ok.  Any ideas? --Ed G--
>
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