[Hallicrafters] HT-32A PS Capacitor

[Glen Zook]

The oil filled capacitors VERY seldom go bad.  If the
hum isn't there on SSB then it isn't in the power
supply.  Check the components that are involved with
AM only.  Also, tighten every machine screw, nut,
etc., that goes through the chassis.  The grounds in
the older equipment is made through these.  Over the
years they loosen, become corroded, etc.  Tightening
them up usually clears up over 90% of "unusual"
problems in the equipment.

Glen, K9STH


--- steven arterberry <arterberry at mindspring.com>
wrote:

My HT-32 has a large hum on the carrier in the DSB(AM)
position.  I have changed C98 and C 99, and have also
changed C79 A and B (the can). The hum still persists.
 Could it be C90 (the oil-filled electrolytic)?  Do
these ever go bad?

Glen, K9STH

Web sites

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


		
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