[Hallicrafters] Help With HT-32A - sneaky transformers

[Al Parker]

hi guys,
	This topic is a common one, particularly with the HT-32/37's.  Yes, if 
it's a xfmr short problem, it may still be usable.  Take a look at some 
past info I've put on a webpage
<http://www.boatanchors.org/HT37.htm>
Go about half way down & you'll see some explanation of the problem & 
what to do. - "Solid Stating" the pwr supply? -  If the 5v filament 
winding shorting to the HV winding or to gnd is the problem, it can be 
isolated & not used.
73,

Al, W8UT
www.boatanchors.org
www.hammarlund.info

"There is nothing -- absolutely nothing -- half so much
worth doing as simply messing about in boats"
Ratty, to Mole

On 1/15/2011 9:21 AM, Greg Mijal wrote:
> That's an interesting comment Jack.
> Transformers can be partially shorted, immediately blow a fuse and cause you
> to foam at the mouth and say potty words with your outside voice.
> But still be useable
>
> Here's what happened to me recently:  My 516F2 power supply on the S-1 S
> line started blowing fuses immediately at turn on.  The cause was the
> capacitor wired across the choke in the plate supply had shorted to ground.
> Replaced the cap and turned the supply on again. Ran for about a half hour
> OK then PooF!, fuse blew.  Traced it down to the 5 v winding for the 5R4
> rectifier filaments. So I solid stated the B plus and HV with strings of
> 1N4007's and the little bugger works just fine now.  Interesting no?
> By the way my Eldico SSB 100F transmitter has needed absolutely nothing in
> the repair or maintenance department.  It's like the energizer bunny, it
> just keeps going!
> 73's
> Greg
> WA7LYO
> Kinston NC
>
> ----- Original Message -----
> From: "Jack Schrader"<w1jhs at myfairpoint.net>
> To:<ramnaz at peoplepc.com>;<hallicrafters at mailman.qth.net>
> Sent: Friday, January 14, 2011 6:48 PM
> Subject: Re: [Hallicrafters] Help With HT-32A
>
>
>> First thing I would do is remove both rectifier tubes and then power it
>> up.
>> If it blows another fuse then you have a shorted xfmr which is what
>> happened
>> to me with my 32b.
>>
>> The previous reply the fellow spoke of a pl172 and that’s in a ht33 not a
>> ht32.
>>
>> -----Original Message-----
>> From: ramnaz at peoplepc.com
>> Sent: Friday, January 14, 2011 5:30 PM
>> To: hallicrafters at mailman.qth.net
>> Subject: [Hallicrafters] Help With HT-32A
>>
>> Hello.
>> I have a like brand new HT-32A that has worked great for the last year but
>> yesterday I turned it on&  it blew the fuse so I replaced the fuse&  it
>> blew
>> it again&  I am lost as to why so today I put another fuse in&  it blew it
>> again so I will not try that again anyone know what I should check for as
>> I
>> am no repairman by any means.
>> Thanks Much&  I will look for any reply to me at...
>> ramnaz at peoplepc.com