[Hallicrafters] Hallicrafters s77

Jbrannig at verizon.net Jbrannig at verizon.net
Tue Jun 24 07:40:20 EDT 2014


The schematic should give you an answer to the capacitor question...

Be CAREFUL!!!

The S-77 is an AC/DC receiver.  The is no power transformer and the chassis 
can be HOT.
It is best to use it with an isolation transformer.

Jim

-----Original Message----- 
From: Scott Cronin
Sent: Monday, June 23, 2014 4:54 PM
To: hallicrafters at mailman.qth.net
Subject: [Hallicrafters] hallicrafters s77

hello guys wonder if you can give me a little insight
looking to re cap the radio
one of the electrolytic is listed as a 60-20-30 mfd
150 v

if I understand it correctly that means there are 3 caps inside the 
electrolytic
what do I do buy one of each and twist the leads ? and solder in place

I would also like to know the style of caps to replace the tubular paper's 
that are currently in the
unit .
the problem I am experiancing is a decrease in volumn a station gets tuned 
in and slowly the volumn
goes town
and afte a while it will increase again
it is a gradual change each way
any ideas ?
scott w4so


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