Re: 6100 tube replacements?

Clay,
        What is the Tempest multigame board? What games are on it? I just
bought a Tempest and it sounds like it could be interesting to me.

Chuck

On Aug 4, 2011, at 2:00 PM, Clay Cowgill wrote:

> Touché, Andre. ;-)
>
> Yeah, I need to build more of those. I've just been trickling them
> out one and two at a time as people asked for 'em. Maybe that'll be
> my "not work" project for the next few weekends...
>
> I did get something else done over the last few weeks though-- if
> anyone here still needs a Tempest Multigame, email me. I needed
> some for a couple friends that have been asking, so I went ahead and
> build up about a dozen spares. I'll price 'em at ~$85/ea + $10
> FedEx ground shipping in the US (that's a little more than last time
> since I had to build 'em myself and since I was upside down on the
> flat shipping price last time). Same request as the last time I
> offered them cheap-- one per person and please don't turn around and
> flip 'em on eBay...
>
> -Clay
>
> From: owner-vectorlist@vectorlist.org [mailto:owner-vectorlist@vectorlist.org
> ] On Behalf Of Andre Huijts
> Sent: Thursday, August 04, 2011 1:48 AM
> To: vectorlist@vectorlist.org
> Subject: Re: VECTOR: 6100 tube replacements?
>
> Quote:
>
> ignorance sometimes results in success when conventional wisdom
> would say it's impossible.
>
>
> Conventional wisdom would say that we'll probably never see the new
> pincushion correction boards, but I'm very ignorant about that bit
> of wisdom and hope they WILL surface one day....;)
>
>
>
> Op 4 aug. 2011 om 10:15 heeft "Clay Cowgill" <c.cowgill@comcast.net>
> het volgende geschreven:
>
>> Datapoint: we've used tubes from WG4600's and at least one WG4900
>> as WG6100 spares at Ground Kontrol before. They converged
>> perfectly and didn't have appreciable pincushion problems. Maybe
>> we just got lucky with our 'donor' selections (obviously we moved
>> the yoke and rings from the original WG6100 CRT over).
>>
>> (People don't believe we did this successfully, but both Anthony
>> and I did it. Maybe some variations of the WG4xxx used 100 degree
>> tubes and we just happened to have the right mutant versions for
>> parts... I didn't do much other than look up the CRT P/N's and
>> decide they were "close enough" and modify the neck key. I'd done
>> far worse things on raster monitors when I was just starting out in
>> the hobby-- ignorance sometimes results in success when
>> conventional wisdom would say it's impossible. Course some things
>> didn't work out-- my Macintosh 20" B/W display -> Vector display
>> without changing the yoke wasn't so lucky. ;-)
>>
>> YMMV...
>>
>> -Clay
>>
>> From: owner-vectorlist@vectorlist.org [mailto:owner-vectorlist@vectorlist.org
>> ] On Behalf Of Pat Danis
>> Sent: Wednesday, August 03, 2011 11:29 AM
>> To: vectorlist@vectorlist.org
>> Subject: Re: VECTOR: 6100 tube replacements?
>>
>> No. The WG6100 is a 100 degree tube whereas most tubes are 90
>> degrees. I have some tubes that are 100 degrees that came out of
>> some 1980's Zenith TV sets. Jury still out on whether these will
>> work or not. I am halfway thru the modification. Will post results.
>>
>> Pat
>>
>> On 8/3/2011 7:39 AM, Joseph Magiera wrote:
>>>
>>> Since a WG6100 uses a CR-23 adapter, does that mean any tube that
>>> uses the same adapter is a suitable tube replacement in a 6100?
>>>
>>> Joe
>>>
>>> --- On Wed, 8/3/11, Jordan B <vg30.510@gmail.com> wrote:
>>>
>>> From: Jordan B <vg30.510@gmail.com>
>>> Subject: Re: VECTOR: Amplifone monitor - still stumped on bright
>>> dot in middle.
>>> To: vectorlist@vectorlist.org
>>> Date: Wednesday, August 3, 2011, 12:00 AM
>>>
>>> I have used CR-23 adapters on a WG6100. You will have to remove
>>> the plastic end, and the red and green guns will be reversed.
>>> Testing and rejuvenation will work just fine.
>>>
>>> Jordan B
>>>
>>>
>>>
>>> On Tue, Aug 2, 2011 at 7:33 AM, Pat Danis <patdanis@verizon.net>
>>> wrote:
>>> That isn't quite correct. The WG6100 uses a CR-24 adapter (I
>>> believe) and the amplifone uses a CR-23. If you remove the
>>> plastic caps from the end of the tube, you might be able to use
>>> the CR-23 adapter but I cannot be sure. I just know that the neck
>>> sockets are different.
>>>
>>> Pat
>>>
>>>
>>> On 7/25/2011 6:48 AM, Jeffrey Matthews wrote:
>>>>
>>>> Hi;
>>>> I have a problem with a WG6100 that has a constant "blue ghost"
>>>> in the center of the CRT which I never figured out what was
>>>> causing it.
>>>> FYI, the same adapter for the WG6100 CRT will work on the AMP CRT
>>>> as well.
>>>> Good luck.....
>>>> Jeff
>>>>
>>>>
>>>>
>>>> On 7/25/2011 12:23 AM, John Huie wrote:
>>>>>
>>>>> Nope. I don't own a rejuvinator. Anyone out there have one for
>>>>> sale that works with amplifone's for a reasonably price?
>>>>>
>>>>> Any chance this would actually help fix it or at least diagnose
>>>>> the problem?
>>>>>
>>>>> ---
>>>>> Hey John, I am by no means a guru here, but do you have access
>>>>> to a rejuvinator? They can tell you a few things about the
>>>>> condition of the tube. Shorts being one of them.
>>>>>
>>>>> Jordan B
>>>>>
>>>>>
>>>>>
>>>>> On Sun, Jul 24, 2011 at 8:38 PM, John Huie
>>>>> <jehuie@sbcglobal.net> wrote:
>>>>> John said, "I suspect that signal is your problem though. Either
>>>>> it is not coming from the board or it is not amplified by the
>>>>> monitor chassis or possibly the picture tube has a cathode short
>>>>> and this negates the Z-axis level completely. Not sure about
>>>>> that last hypothesis though..."
>>>>>
>>>>> Thank you John. I'm focusing on that last part you said now
>>>>> because it makes sense to me. I'm thinking that you mean if I
>>>>> measure the voltages on either of the 3 color signals from the
>>>>> SW CPU board that will indicated my Z signal, correct? Which is
>>>>> why I really need a scope.
>>>>>
>>>>> However, since both my SW boards do the same thing and work fine
>>>>> in my other SW game, they are clearly generating the Z signal.
>>>>> Which leaves the other two options.
>>>>>
>>>>> It seems unlikely that all 3 colors would be having problems
>>>>> amplifying by the monitor chassis. And since the dot in the
>>>>> middle is pure white, I think we can negate that possibility.
>>>>> I'm not sure this is true but I'm not getting a lot of feedback
>>>>> so that's my best guess.
>>>>>
>>>>> So that leaves me with a short in the monitor as being my most
>>>>> likely culprit. I tested for a short at the pins and only found
>>>>> a short going from the heater pins to pin 4. I'm still not sure
>>>>> if that is ok or not though. And if it's a problem, whether
>>>>> there is a work around or if it means I'm screwed and need a new
>>>>> tube.
>>>>>
>>>>> Help. Pretty please!
>>>>>
>>>>>
>>>>>
>>>>> --- On Sat, 7/23/11, John Robertson <pinball@telus.net> wrote:
>>>>>
>>>>> From: John Robertson <pinball@telus.net>
>>>>> Subject: Re: VECTOR: Amplifone monitor - still stumped on bright
>>>>> dot in middle.
>>>>> To: vectorlist@vectorlist.org
>>>>> Date: Saturday, July 23, 2011, 7:51 PM
>>>>>
>>>>> John Huie wrote:
>>>>>>
>>>>>> Just to refresh...this monitor on this Star Wars works good and
>>>>>> the graphics are all there and everything but there's a
>>>>>> constant bright dot in the middle. If I turn the brightness
>>>>>> down enough for the dot to go away then I can't see the other
>>>>>> graphics at all.
>>>>>>
>>>>>> Here's what I've tried so far:
>>>>>>
>>>>>> - Bought a whole slew of components from Bob Roberts to rebuild
>>>>>> the deflection board and HV board
>>>>>> - HV is good.
>>>>>> - B+ is good.
>>>>>> - Adjusting color drives doesn't help. Brightness down and the
>>>>>> color drives up still won't let me turn down dot enough to see
>>>>>> graphics well.
>>>>>> - I don't have any spare parts to swap in. I only have 6100
>>>>>> vectors other than this.
>>>>>> - double checked continuity from focus block wiring, all
>>>>>> connections under boots are good. Good continuity back to HV
>>>>>> board and color drives on deflection board are good.
>>>>>> - Pins on neck not shorted to heater pins. (Except pin 4 which
>>>>>> isn't used - could this be a problem?)
>>>>>> - W jumpers are all long gone.
>>>>>> - Resistors in neck board/ring are good.
>>>>>> - Does same thing with known working PCB set.
>>>>>> - Reflowed J103 and tested continuity along wires.
>>>>>> - Ground to neck board/ring is good.
>>>>>>
>>>>>> Still not sure how to check Z signal. What components should I
>>>>>> be looking at that are common to all 3 colors that could be
>>>>>> causing this?
>>>>>>
>>>>>> Any other idea?
>>>>>>
>>>>>> Thanks everyone. I'm working on this for a friend of mine and
>>>>>> just about at the end of my rope.
>>>>> Z-Signal is the brightness. What sort of test equipment do you
>>>>> have? A 'scope would be best - you could check that the signal
>>>>> is varying. An AC setting on your multimeter will give you an
>>>>> idea if there is change on that signal, but I do not know what
>>>>> the result should be for your meter or situation. If someone
>>>>> here has a voltmeter and can see what reading they get on the Z-
>>>>> level when the board is on a set screen test that would help you
>>>>> figure out if yours is working properly.
>>>>>
>>>>> I suspect that signal is your problem though. Either it is not
>>>>> coming from the board or it is not amplified by the monitor
>>>>> chassis or possibly the picture tube has a cathode short and
>>>>> this negates the Z-axis level completely. Not sure about that
>>>>> last hypothesis though...
>>>>>
>>>>> John :-#)#
>>>>> --
>>>>> 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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>>>
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Received on Thu Aug 4 15:06:04 2011