[Hammarlund] SP-600-JX14

[Joe Connor]

 What Les said. If that cap shorts, it can take out the filter chokes.
                                Joe Connor
    On Friday, August 21, 2020, 08:21:59 PM EDT, Les Locklear <leslocklear at hotmail.com> wrote:  
 
 Al is right, That switch is exposed and can accumulate lots of crud. Also a cap next to it is either a bumblebee or grey lady of death cap.

That's the first thing I'd do.

Les


----- Original Message -----
From: Al Parker <anchor at ec.rr.com>
Reply-To: <anchor at ec.rr.com>
To: Brian Harris <cosmophone at yahoo.com>, Hammarlund <hammarlund at mailman.qth.net>
Sent: 8/21/2020 4:16:45 PM
Subject: Re: [Hammarlund] SP-600-JX14
________________________________________________________________________________

(I have tried to send this at 3:20 PM, but the TWC/Spectrum email server 
is off line apparently.  I'll try later)

Hi Brian,
You do not need to remove the turret to do any 'normal' service work on 
the SP-600.
Take a look at <http://www.hammarlund.info/SP600svc.html> for an 
article be Ray Vasek, W2EC, several yrs ago and has given me permission 
to have it on the Hammarlund Historian website.  You may find j;ust what 
you want in there.
The electrical power switching from single to double conversion is done 
by the small single pole wafer switch that is located on the back of the 
turret box, under the chassis.  Maybe there's a simple solution right there.
If you have any questions once you get into it, I'll be glad to try to 
help.
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 8/21/2020 2:42 PM, Brian Harris via Hammarlund wrote:
> I have the aforementioned receiver.  It works on the single conversion bands (<7.4 MHZ) and but on the double conversion bands it doesn't.  I know there are problems with the 3.5 MHz oscillator and second mixer.  Is there an easy way to get to the components under the associated RF chassis?  It looks like removal of the bandswitch turrent at minimum is required and that appears to be a formidable task.  Any comments appreciated..  Thank you.
> 
> Brian Harris, WA5UEK cell 214-763-5977 email cosmophone at yahoo.com
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