[Amps] Heathkit Warrior High Plate Curent

[Glen Zook]

Have you verified that the meter shunt resistor is fine?  The resistors in the HA-10 Warrior tend to go high in value and a high value in the shunt resistor will result in a much higher meter reading.

Glen, K9STH

Website:  http://k9sth.com


--- On Sun, 11/2/08, Eddie Bradshaw KJ4R <kj4r at ftc-i.net> wrote:

> From: Eddie Bradshaw KJ4R <kj4r at ftc-i.net>
> Subject: Re: [Amps] Heathkit Warrior High Plate Curent
> To: amps at contesting.com
> Date: Sunday, November 2, 2008, 4:31 PM
> Thanks to everyone who provided insight into the problem
> I'm having with my HA-10. 
>  However,  the problem is still unresolved.  I have checked
> everything in the RF deck 
> that I can possibly think of to check and I can't find
> anything wrong. 
> No shorts, no opens, and all the caps check okay on my cap
> checker,
> or at least they read the correct value.
>  I was able to swap out the DC blocking cap with a known
> good one. 
>  The band switch checks out.  Both the tune and load caps
> are okay.
>  Several suggestions that I received pointed to an unloaded
> output circuit, 
> (bad xmit / rcvr. relay or coax)  but I have good
> continuity to my 50 ohm 
> dummy load.  I removed the plate choke 
> and tested it with an O' scope and RF generator
>  to make sure it is okay. 
>  Lastly I removed 3 of the tubes and 
> tried to tune up with just one tube at the time.
>   I rotated each of the 4 tubes in one at a time 
> and got the same problem......high 
> current......no output.  I purchased this amp
>  "as is" so I guess it's possible I got
> 4 bad tubes?  Anyone have any other ideas?
>  
> Thanks!
> Eddie KJ4R
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