[Hammarlund] HQ-170A S meter problem

Glen Zook gzook at yahoo.com
Wed Dec 8 18:39:52 EST 2004


That happens in virtually all of the tube type
receivers.  Frankly, the "S" meters usually work for
decades.

Glen, K9STH


--- Roger Basford <roger at new-gate.co.uk> wrote:

> Hi All,
> 
> I have an HQ-170A-VHF receiver which is in good
> shape and works well. There 
> is one problem with it; every time I switch on from
> cold the S meter whacks 
> over to full scale and stays there for several
> seconds until the set has 
> warmed up. I'm concerned this may lead to damage to
> the meter in the long 
> term. Is this a common problem/design fault or can
> anyone suggest a possible 
> cause? I have checked the S meter zero setting and
> on-air meter readings 
> seem credible, I use the RX mostly on AM.
> 
> Any advice appreciated!
> 
> Roger Basford, G3VKM
> Norfolk, England. 


=====
Glen, K9STH

Web sites

http://home.comcast.net/~k9sth
http://home.comcast.net/~zcomco


		
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