Re: G05 805 Problem

Try checking the voltages with the neckboard unplugged - in other words, with no load. I expect you will have normal voltages as your tube looks gassy (toasted) to me.

John :-#)#

www.flippers.com

On 2011-09-02, at 20:56, akswanson@ntelos.net wrote:

> Heres a pic of the plasma:
>
> http://www.flickr.com/photos/mcandrewsnd/6108115704/in/photostream/
>
>
>
> Also.. someone posted the voltages that are supposed to be present for the tube:
>
> Correct Voltages Mine
>
> Pin 1 - Filament GND
> Pin 2 - G1 30V 34v
> Pin 3 - G2 410V 202v
> Pin 4 - G3 300V 127v
> Pin 5 -
> Pin 6 -
> Pin 7 - K 94.5V 20v
> Pin 8 - Filament B+ 6.3v
>
>
>
>
> my voltages are about 1/2 what they should be.. Im going to yank the HV and have a look.. Does this seem like a flyback issue?
>
>
>
> Thanks,
>
> Andrew
>
>
>
>
> > Ken Sumrall wrote:
> >> Can you see the getter on the inside of the CRT? If it's not silvery
> >> but
> >> rather powdery (or has a powdery ring around the edge) then it's most
> >> certainly
> >> leaking.
> >>
> >> Disclaimer: I've never used a G05-805 monitor, so I have no idea if
> >> the getter
> >> is even visible on that CRT.
> >>
> >> ___
> >> Ken
> >>
> > They aren't always visible in picture tubes so if people don't know what
> > to look for it is difficult to describe - however a bad getter is
> > usually showing a white powdery look to it.
> >
> > http://en.wikipedia.org/wiki/Getter
> >
> > John :-#)#
> >>
> >> On 08/29/11 12:54, John Robertson wrote:
> >>> akswanson@ntelos.net wrote:
> >>>>
> >>>> Hi, I have a Omega Race Cocktail with a G05-805 monitor, that doesnt
> >>>> appear to
> >>>> have HV. I get a purple plasma in the neck..Its this an indication
> >>>> of a neck
> >>>> short? I rebuilt both the Deflection and HV boards.
> >>>>
> >>> Purple plasma is an indication of air leakage into the tube...not a
> >>> good thing!
> >>>
> >>> I suspect your tube is shot... picture/video of this would help decide.
> >>>
> >>> John :-#(#
> >>>
> >> ---------------------------------------------------------------------------
> >>
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> >> chris@westnet.com
> >>
> >
> >
> > --
> > 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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> > ** Please direct other questions, comments, or problems to
> > chris@westnet.com
> >

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Received on Sun Sep 4 04:41:28 2011