Re: WG6100 tube swap

From: Jeff Sanders Knology <sandersj_at_knology.net>
Date: Tue Jul 01 2003 - 14:21:20 EDT

"Ground Control Retrocade??"

That sounds cool as heck. What's the story? Lots of old games? (if this
isn't off topic)

Jeff S.

----- Original Message -----
From: "Anthony Ramos" <aramos@ele-mental.org>
To: <vectorlist@vectorlist.org>
Sent: Tuesday, July 01, 2003 2:21 PM
Subject: VECTOR: WG6100 tube swap

> As you may know, I've taken over the Ground Kontrol Retrocade in
> Portland, Oregon along with four partners including Clay Cowgill and
> Neil Bradley. The games we inherited sport a lot of, um, interesting
> repair jobs which we are still in the process of discovering and
> correcting.
>
> One of the more extreme examples is the WG6100 in our Tempest. A while
> back, I repaired the boardset for the previous owner, but the display
> blinked out shortly after. He immediately assumed that the tube must be
> to blame, trashed it (!), and replaced it with a Rauland 19VMBP22. At
> least he had the presence of mind to keep the yoke.
>
> I don't know if the Rauland is pin compatible; he made it so by sticking
> the original tube's neck cap on it.
>
> After repairing the true cause of no picture (blown rectifier diodes,
> deflection transistors, and caps in the B+ section), I get sharp, bright
> green, but very dim and fuzzy red/blue. Adjusting focus knob causes
> focus to 'overshoot' into total fuzz; more violent moves make the focus
> 'overshoot' beyond the knob position. But after five minutes, the whole
> thing is a blurry mess no matter what I do.
>
> Swapping in a known good boardset from another WG6100 shows no
> improvement, so I must assume this tube is either bad or an improper
> fit. Is there a fix I can try? Must I get a replacement? Where would I
> find one?
>
> I'd really like to get my personal WG6100 monitor back. ;-)
>
> Thanks,
> -A.
>
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>

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Received on Tue Jul 1 15:21:16 2003

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