[Elecraft] KPA500

[Paul Maciel]

Hi Dave,

Good morning!

Mine shows .0 A on the display when idle on all bands.

---Paul AK1P

PS: See you in the Fox hunt tonight?

On 11/5/2024 8:57 AM, David Olean wrote:
> I have a KPA 500 that is hardly ever used. I think I made less than ten 
> contacts with it. As a result, I am not that familiar with it except 
> that it worked great. I loaned it out to a friend and it came back 
> broken. I am trying to figure out what happened. When I key the radio I 
> see about 0.6 amps of idle current. TX Signals will pass thru OK on 
> standby, but if I try transmitting into the amp, I see a high input 
> VSWR  and the idle current stays constant at 0.6 amps. There is no 
> output power.  It seems that maybe the input TR switch may be at fault. 
> Question: What is the proper idle current for the FETS as displayed on 
> the screen? If I had a schematic, I could dig into it, but not having 
> that, I figured that I would ask a few questions to get me pointed in 
> the right direction.  Can anyone help out?
> 
> Dave K1WHS
> 
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