[Heathkit] Help on HO-10 Update "almost"

Edward B Richards zuu6k at juno.com
Wed Feb 2 16:20:25 EST 2005


Hi Dan;

This came up recently, on another reflector, I believe. The accepted
procedure is to put 3 each .5 mfd @ 630 volt (part #504K630) in series.
This will give you .167 mfd @ 1890 volts volts. The extra capacity will
not hurt. Part number from www.justradios.com. Good luck.

73, Ed Richards K6UUZ


On Wed, 2 Feb 2005 15:01:09 EST OTAKEBI at aol.com writes:
> Found one bad resistor on the focus pot and replaced it.
> Also replaced a 100 ohm resistor on back of the CRT coming form the 
> focus pot.
> Now trace is sharp with the focus control all the way clockwise.
> However, I have fuze and trace is still out of focus on the left 
> side near 
> the end of the trace.
> After about 15 minutes line goes out of focus again.
> The 1600 volt .15 mfd caps can't be found.
> Any information from someone who has fixed this problem or located 
> caps?
> Thanks,
> Dan/N4VET
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