[Heathkit] Heathkit HW-2036 manual/help

[ianwebb5 at comcast.net]

This manual on BAMA looks usable to me.  It's for a 2036a but I'd think it'd be close to a "non A."

<http://bama.edebris.com/manuals/heath/hw2036a/>

Ian, K6SDE
 -------------- Original message ----------------------
From: "Mike Besemer (WM4B)" <mwbesemer at cox.net>
> I just got an HW-2036 (not an 'A') which was purported to be working off the
> 'e-place'.  Unfortunately, after doing a good visual inspection I applied
> power and was greeted by a rather large puff of smoke.  It was pretty
> obvious that a 10 uF tantalum capacitor on the PA board was the culprit, and
> from the (very tiny) schematic I had downloaded previously I could tell that
> it was connected between the 13.6 VDC line and ground to act as a filter.  I
> very hopefully cut one end of the capacitor free and reapplied power, hoping
> to have a working radio.  Of course, Murphy wasn't about to give up that
> easily.  
> 
> I now have a radio that has a meter light and an occasional pop from the
> speaker.   The Synth light is also illuminated.  Other than the occasional
> speaker pop, there is no speaker noise.  I did not try to push the PTT
> button, but I assume nothing would happen since the Synth light is lit.  
> 
> I did verify that 13.6 volts DC was getting to the PA board, but that's as
> far as I went, since my schematic requires a scanning electron microscope to
> read.  I need to make some voltage checks and then see if I can try an
> alignment.
> 
> Does anyone have a decent sized schematic I can beg, borrow, or buy?  A scan
> would be fine, assuming I can actually read the thing.  I'll also need the
> alignment procedure, and the troubleshooting guide would be nice.  I've
> looked to see if I could find all this stuff on the web, but as I said
> before. the schematic was pretty tough to read.  (I did copy from the .pdf
> file I have and paste into Word and enlarge the picture, but it's just not
> the greatest solution.)
> 
> Also, any troubleshooting hints would be helpful.  I've built a ton of
> Heathkits over the past 35 years or so, but never played with a -2036
> before.  I have 20+ years of electronics troubleshooting experience and
> plenty of test equipment, so all I really need is a decent manual (and any
> hints from -2036 veterans!).
> 
> Thanks in advance and 73,
> 
> Mike
> WM4B
> Kathleen, GA