[Heathkit] HL-2200 problem!

[Bill Cromwell]

On 11/22/2013 11:18 PM, Alexander N. Gerli wrote:
> Hi, gang,
>
> Gads, Murphy is having a ball in my shack...
>
> I'm firing up my restored HL-2200 for the first time with a nice fresh set
> of tubes. Both the old tubes that came with it had grid-to-filament shorts
> (BANG and BANG).
>
> I was careful when I rebuilt the tank. I installed an original SB-221 tank
> coil and carefully rewired it to the tank coil taps. Reinstalled the Tune
> and Load caps and the doorknobs and the parasitic chokes. Got everything
> cleaned up and looking like new.
>
> I ran the tubes with no load for about four hours to cook them a bit.
> Decided to put some drive to them. Up to 200MA, --snip----
>
> Now, with those two "BANGS" with the old tubes, it it possible that I might
> have lost one or both of the doorknobs? Or, maybe the inline choke going
> from the HV feedthrough to the big plate choke? I was able to draw Ip, so
> the metering is fine. Anyone have any thoughts on this?
>
> 73, Sandy AC1Y
>
Hi Sandy,

I don't have the specs in front of me but if you drew 200 mA I suspect 
the HV is connected through to the plate(s).  Good luck OM.

73,

Bill  KU8H