(Topic ID: 135967)
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Johnny Mnemonic
Williams, 1995
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Albion Park
Hopkins, MN
When the display test completes, does it say "RAM TEST OK"?
This looks more like a Dot Controller RAM issue to me.
Examples: http://www.pinwiki.com/wiki/index.php?title=Williams_WPC#Failed_RAM
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Chris Hibler - CARGPB #31
http://www.Team-EM.com
http://webpages.charter.net/chibler/Pinball/index.htm
http://www.PinWiki.com - The Place to go for Pinball Repair Info
try the display in another game to be sure. All 128x32 dmd's are basically the same and will work in any dmd game of the same sized display.
Swapped out the display and the problem followed the dmd so something is up with it. What I don't get is that its not the whole line just part of it. I would have though if it was a solder issue the whole line would have been out??
Just had a sent back. Put it in another machine and played a game. At the end of the game got a match and the knocker went off. As soon as the knocker went off a horizontal line went out - all but one dot. No happy.
Thinking on taking this to work and reflow all the connections with the hot air solder.
Got the colour dmd in a stern so don't have the cables to swap it out to the williams otherwise it's a great idea. I've priced the cables from colour dmd and the postage is a killer to Australia, it's about $70. I guess I could try knocking up a set, just have to see what's needed.
Quoted from Gruntis:Reseated the cables and fixed the second issue. I'm thinking the original display is on its way out.
Yup. When it did the same thing in a different game, that was evidence that the display itself has failed. I agree that it's odd that only part of a line is missing. Ouch.
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Chris Hibler - CARGPB #31
http://www.Team-EM.com
http://webpages.charter.net/chibler/Pinball/index.htm
http://www.PinWiki.com - The new place for pinball repair info
Quoted from Gruntis:Got the colour dmd in a stern so don't have the cables to swap it out to the williams otherwise it's a great idea. I've priced the cables from colour dmd and the postage is a killer to Australia, it's about $70. I guess I could try knocking up a set, just have to see what's needed.
Are you saying it's $70 shipping for the cables alone? Ship them to me and I'll send them to you for $15. Pm if that helps you at all
Quoted from PinballBulbs:Are you saying it's $70 shipping for the cables alone? Ship them to me and I'll send them to you for $15. Pm if that helps you at all
I should take you up on your offer and probably will but I'm really struggling not to give in and just get the color dmd. Though with our Aus dollar in the toilet thats an expensive thought.
On my DMD just the bottom line (horzontal line) is out.. Does anyone know if there is an easy fix to it?
Quoted from pacman11:On my DMD just the bottom line (horzontal line) is out.. Does anyone know if there is an easy fix to it?
If you can get to the conductor that feeds that line, it's hit or miss on being able to use silver solder, conductive pens, etc.
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Chris Hibler - CARGPB #31
http://www.Team-EM.com
http://webpages.charter.net/chibler/Pinball/index.htm
http://www.PinWiki.com - The Place to go for Pinball Repair Info
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