Fwd: [Hammarlund] sp600 problem?

[Tom NØJMY - AAR7FV]

I think it was a case of inter-receiver jealousy brought on by the 
addition of the Collins to your shack.  It's quite common.  In fact, 
Freud called it "SP-ness" envy.

Dr. Tom

Eugene Hertz wrote:
> Good news! As per the suggestions from the list, I re-checked my 1st oscillator tube. It needed to be reseated. and now all is well!
>
> Thanks everyone!
> Eugene
> PS I just hope all my future questions go this easily! :)
>
>
> -----Original Message-----
> From: Eugene Hertz [mailto:ehertz at tcaf.org]
> Sent: Sunday, August 6, 2006 01:51 PM
> To: hammarlund at mailman.qth.net
> Subject: [Hammarlund] sp600 problem?
>
> Hello all, 
>
> I've had an SP600-JX21 for a coupla years. It always needed work, but it generally worked ok. I could get sigs on all bands. I recently got a 51J4 and had it electrically and cosmetically redone (thank you, W8UT!) 
>
> So today I decided to do some A/B comparisons and much to my chagrin, my SP600 was producing the sounds of silence. Lights are on, speaker attached, and 50' wire antenna connected. I haven't powered up the SP600 in many months, could be as long as 12 months. Many of the caps had previously been replaced on this unit with the exception of bathtubs and in the RF deck. 
>
> My concern is I damaged something. Here's what I mean: When I connected the speaker, I didnt realize that both spade lugs (that connect the wire to the speaker) had inadvertently shorted from the speaker terminal to the screw head used to mount the terminal strip onto the chassis. It seemed I did this on both sides of the speaker terminals. Could I have damaged something, perhaps the audio transformer? 
>
> I subsequently fixed the spade lugs to not short to the chassis. When I change the band I do get some loud noise like the band switch needs cleaning. If I can get loud noise out of the speaker, could it mean that I did not actually damage something? 
>
> I did check the fuses on the unit. Any other simple checks I should do? 
>
> Thanks very much 
> Eugene 
> KC2NWG (No Working Gear!) 
>
>
>
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