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.
>

http://www.google.com/search?client=ubuntu&channel=fs&q=Tempest+Multigame&ie=utf-8&oe=utf-8

> 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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>>>>> Please direct other questions, comments, or problems to
>>>>> chris@westnet.com
>>>>
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>>>>
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>
>

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Received on Thu Aug 4 15:10:17 2011