I had a DX-60 some years ago, and it used a form of grid-block keying for CW.
Here's a
schematic of it:
<http://members.cox.net/n4jk/images/dx60b1.jpg>
Sorry I don't know why it blows the modulator tube, but if the CW keying
circuit is not
original, who knows what else was changed.
On 1/15/2011 12:48 PM, The Zwiener wrote:
>
> Hello folks. I have a DX-60 that I have been running for several months, and
> have
> electrically restored it including the WC3K mods.
>
> The little thing is great, but it keeps blowing, or shorting the 6DE7
> modulator tube.
> Any ideas on this one?
>
>
> Also I am keying the transmitter by by making and breaking the power supply
> after the
> filter caps. I do not think this is the correct method of keying this little
> treasure.
> I do not use the function switch except for tuning up.
>
>
> Here is the mod in case you want to look.
> http://www.amwindow.org/tech/htm/wc3kmods.htm
>
>
> 73, Brian KF5CCN _______________________________________________ Amps
> mailing list
> Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
--
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
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