[Heath] DX-100 Ideas

[Bry Carling]

Does anyone need DX100 parts?

I have almost anything you may need.

73 - Bry Carling, AF4K



On 29 Sep 2011 at 13:58, Louis Ciotti wrote:

Anyone have a pdf of the DX-100 manual (Both operation and Assembly)?




On Thu, Sep 29, 2011 at 5:32 AM, Bry Carling <bcarling at cfl.rr.com> wrote:
    Most replacement caps will not fit under the DX100 chassis.

    I have an original Heathkit one if you need a replacement.

    I also have rplacement parts for almost amything you could need for a 
    Heathkit DX100 - all the transformers, choke VFO, tubes, knobs, crystals, 
    variable caps, switches, meter, front panel, a shiny chassis too (yes!)

    Just let me know what you need and we will arrange something suitable to get that 
    rig in perfect shape..

    On 29 Sep 2011 at 3:38, Pigman wrote:

    > First off, I built a DX-100 as a kid back in the mid 50s and have
    > always had a soft place in my heart for them. That said, I need
    > some ideas from you gents.
    > 
    > A long time ago, I acquired and pretty sad looking DX-100. The
    > price was right, FREE! It is all there. The front panel looks
    > pretty nice. However, everything else goes down hill from there. 
    > It is dirty, scratched cabinet and a fairly ugly copper plated
    > chassis with rust. Of course, the paper and electrolytic caps are
    > most likely bad and there are probably a bunch of out of tolerence
    > resistors in it too. I am thinking of radically restoring the
    > transmitter.
    > 
    > I am thinking of taking it totally apart, have the chassis pieces re
    > plated, maybe make a new wiring harness and then build it up again
    > with many new caps and new carbon resistors as a new kit. (I'll re
    > use the temperature compensating caps and most likely the precision
    > resistors and certainly the variable caps). I'll also repaint the
    > cabinet as original or at least close to it. When finished, it
    > should look very nice.
    > 
    > The one thing that really bugs me is the loading cap. As a kid, I
    > blew up that "stacked Heathkit home made multi-section loading cap"
    > in the rig. I bought a upgrade kit from Heathkit to replace it with,
    > I think, 3 or 4 new transmitting mica caps which were real
    > transmitting mica caps. I think maybe Heathkit also later on sold a
    > 3 section loading cap as used in the Apache to also replace this
    > "stacked" mica. Of course non of these upgrade kits are offered
    > today. So my question is, when I rebuild the DX-100, I don't want
    > to use that old 3 section Heathkit made "stacked" loading cap. I
    > know it is a poor cap to use. What do I use in it's place? Could I
    > maybe find a 3 section 365pf variable and put it in there? Will it
    > fit? I'm wondering what others have done when faced with this
    > problem. I would even consider using the fixed transmitting caps as
    > used in one of Heath's upgrade kits if I could find them. (200pf,
    > 400 pf, 600 pf, and 800 pf). I just hate to think of using that
    > "stacked" home made loading cap Heath supplied with this kit. 
    > 
    > I'd appreciate hearing from others on how they approached this weak
    > link in the original DX-100 transmitter.
    > 
    > Lee, w0vt
    > Houston, TX
    > 
    > 
    > 
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