Re: Electrohome G08 "blooming"

Oh, right, the fire maker GO-8. Yeah, the HV diodes are buried in the
Flyback.

You can check (if you have an HV probe) at the Focus output from that
transformer - it should be around 10KV according to the schematic - then
you could check at the anode wire to see if it is double at 20KV or not.

John :-#)#

akswanson@ntelos.net wrote:
>
> Dont think you can access the HV diode on a G08, unless Im remembering
> it wrong.
>
> > akswanson@ntelos.net wrote:
> >>
> >> I dont think the flybacks are available for these. Id cap it, see if
> >> that fixes it. Make sure the HV is high enough, and the spot killer
> >> isnt kickin in.
> >>
> >
> > Very unlikely to be the flyback, rather the HV diode is the most common
> > suspect as previously mentioned...
> >
> > Bad HV diodes are usually easy to spot - see if the clear end caps look
> > overheated, or if you have an IR reader check if the diode gets hot when
> > running, it should not heat up much at all.
> >
> > John :-#)#
> >>
> >> >
> >> > John,
> >> >
> >> > When my Asteroids Deluxe's screen was expanding/shrinking it turned
> >> out to
> >> > be the HV diode.
> >> >
> >> > … Altan
> >> >
> >> > On Sep 9, 2012, at 5:32 PM, Zitt Zitterkopf <zittware@hotmail.com>
> >> wrote:
> >> >
> >> >> Have a G08 monitor I’m prepping to put a cap kit on.
> >> >> I like to debug/test the monitor prior to doing cap kits; and
> noticed
> >> >> that this monitor is “expanding” / “shrinking” depending on the
> >> amount
> >> >> of vectors on the screen.
> >> >>
> >> >> I’m leaning toward the belief that the cap kit will resolve this
> >> issue;
> >> >> but wanted to get any other tech advise before I commit to it.
> >> >>
> >> >> Anyone have any thoughts as to the cause of such a symptom?
> >> >> John
> >> >
> >> >
> >>
> >
> >
> >
> >
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> >
>

-- 
John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9 
Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
                 www.flippers.com 
"Old pinballers never die, they just flip out"
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