[Johnson] Ranger problem

[Dennis]

Is it an early or late version Ranger?  That is, does it have bias supply or not?

Dennis, k0eoo


---- Carl Yaffey <yaff at columbus.rr.com> wrote: 
> I've just received a nice Ranger I. It has a problem as follows:
> I tune up successfully on phone.
> I close the key and switch to CW. All OK so far - normal readings,  
> good output, etc.
> I open the key and BAM! the plate meter instantly pins HARD!
> The manual suggests there is likely a problem with the clamper tube  
> (6AQ5) or its circuitry.
> 
> I checked the tube and it seems good.
> I checked all the components I could get to (mainly resisters) and  
> they check out OK.
> I checked the screen resister - its OK.
> 
> I have ordered a new 6146 and a new 6AQ5 just to see if that might fix  
> the problem.
> 
> Any suggestions?
> 
> 73,
> Carl
> 
> Carl Yaffey  K8NU
> Banjo, guitar, bass, mandolin, dobro lessons.
> Pro Tools recording studio.
> carl_yaffeyNO_SPAM at yahoo.com.
> 614 268 6353, Columbus OH
> http://www.carl-yaffey.com
> http://www.grassaholband.com
> 
> 
> 
> 
> 
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