Re: Star Wars/Wells Gardner 6100 Problem

Thanks everyone (especially Caly and Jeff). I am going to give this a try
and go from there.

Dennis
http://gameroom.godfrey.com

-----Original Message-----
From: jeff hendrix <jhendrix@Quark.Com>
To: 'vectorlist@mcfeeley.cc.utexas.edu' <vectorlist@mcfeeley.cc.utexas.edu>
Date: Wednesday, February 03, 1999 1:29 PM
Subject: RE: Star Wars/Wells Gardner 6100 Problem

>And the new kits are easier to install (less prep work).
>If you buy an assembled one, all you have to do is solder on the 2 wires,
>straighten out the standoffs and drop it in (after you remove the old parts
>first)
>
>-jeff
>
>-----Original Message-----

From: Clay Cowgill [mailto:ClayC@diamondmm.com]
>Sent: Wednesday, February 03, 1999 2:11 PM
>To: 'vectorlist@mcfeeley.cc.utexas.edu'
>Subject: RE: Star Wars/Wells Gardner 6100 Problem
>
>
>Yeah, I think there's a good chance that the low voltage section just
>failed on your monitor. (It *could* have taken out a deflection
>transistor or two, but I've seen far more bad low voltage circuits than
>dead deflection transistors...)
>
>If you buy one pre-assembled installation shouldn't take very long at
>all.
>
>-Clay
>
>> ----------
>> From: W. Dennis Shirk[SMTP:dshirk@godfrey.com]
>> Reply To: vectorlist@mcfeeley.cc.utexas.edu
>> Sent: Wednesday, February 03, 1999 3:39 PM
>> To: vectorlist@mcfeeley.cc.utexas.edu
>> Subject: Re: Star Wars/Wells Gardner 6100 Problem
>>
>> Clay, would the Low Voltage section of the board be a good place to
>> start
>> with the troubleshooting? I have read up on Anders Knudsen's LV2000
>> replacement for the low voltage section which is supposed to fix all
>> kinds
>> of problems. BTW, the URL for the LV2000 is
>> http://www.diac.com/%7Ejeffh/lv2000/
>>
>> Dennis
>> http://gameroom.godfrey.com
>>
>> -----Original Message-----
>> From: Clay Cowgill <ClayC@diamondmm.com>
>> To: 'vectorlist@mcfeeley.cc.utexas.edu'
>> <vectorlist@mcfeeley.cc.utexas.edu>
>> Date: Wednesday, February 03, 1999 12:26 PM
>> Subject: RE: Star Wars/Wells Gardner 6100 Problem
>>
>>
>> >This is what I wrote in the manual:
>> >
>> >"(It's technically 'safer' to switch with the power off anyway, since
>> >it's less likely to damage your monitor if the CPU doesn't reset
>> >properly. Your Mileage May Vary. If in doubt, turn the game off
>> before
>> >switching.)"
>> >
>> >I had one monitor blow the low-voltage section by switching on the
>> fly
>> >when the Vector Generator crashed (back at the end of 1996). Since
>> then
>> >I've done all sorts of horrible things to the boards and monitor and
>> >never had a problem again. To be safe I'd "officially" say turn it
>> off
>> >first, then switch. Unofficially there's *lots* of people switching
>> on
>> >the fly and I've never heard of another monitor die with switching as
>> a
>> >likely culprit.
>> >
>> >There's always a possibility that Dennis' monitor was just going to
>> do
>> >it's Rutger Hauer/Blade Runner impression that day anyway ("Time...
>> to
>> >die...") and it would have konked out when he turned the power off
>> and
>> >on again too...
>> >
>> >-Clay
>> >
>> >> ----------
>> >> From: Tom Cloud[SMTP:computerspace@hotmail.com]
>> >> Reply To: vectorlist@mcfeeley.cc.utexas.edu
>> >> Sent: Wednesday, February 03, 1999 11:38 AM
>> >> To: vectorlist@mcfeeley.cc.utexas.edu
>> >> Subject: RE: Star Wars/Wells Gardner 6100 Problem
>> >>
>> >> Clay,
>> >>
>> >> So I understand this then...is to NOT switch between the games with
>> >> the power on? I must confess, I've been doing that. When I read
>> the
>> >> message below, the hair on the back of my neck stood straight up!!
>> >>
>> >> So, is it ok to switch games with the power on or do I run the risk
>> >> of damaging my monitor?
>> >>
>> >> Thanks for the info.
>> >>
>> >> Regards,
>> >> Tom Cloud
>> >>
>> >>
>> >>
>> >>
From: Clay Cowgill <ClayC@diamondmm.com>
>> >> >To: "'vectorlist@mcfeeley.cc.utexas.edu'"
>> >> > <vectorlist@mcfeeley.cc.utexas.edu>
>> >> >Subject: RE: Star Wars/Wells Gardner 6100 Problem
>> >> >Date: Tue, 2 Feb 1999 17:46:03 -0800
>> >> >Reply-To: vectorlist@mcfeeley.cc.utexas.edu
>> >> >
>> >> >
>> >> >> A couple games later, he switched it back to ESB, and it still
>> did
>> >> not
>> >> >> display video, so he switched back to Star Wars, and now that
>> was
>> >> not
>> >> >> displaying video either.
>> >> >>
>> >> >For what it's worth, this is what killed my monitor when I was
>> >> *first*
>> >> >working on the kits-- hence the warning about switching with the
>> game
>> >> >on.
>> >> >
>> >> >Clay's techy idea on what can happen:
>> >> >
>> >> >I think you can switch and still have the code land in a segment
>> that
>> >> >refreshes the watchdog, but the vector generator crashes.
>> >> >Max-deflection for very long = dead monitor. Someday I should
>> >> probably
>> >> >redesign the kit to have the bank-selection switch go into a PAL
>> and
>> >> >then have the PAL yank reset for a few clocks after the switch
>> >> changes
>> >> >states. I'd want to *really* fix those nasty old 2212 NOVRAMs at
>> the
>> >> >same time though by replacing it with some kind of EEPROM, so the
>> >> >project gets larger and I keep putting it off...
>> >> >
>> >> >-Clay
>> >> >
>> >> >
>> >>
>> >>
>> >> ______________________________________________________
>> >> Get Your Private, Free Email at http://www.hotmail.com
>> >>
>> >>
>>
>>
Received on Thu Feb 4 06:11:07 1999