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hardkor
February 28, 2010, 10:25am Report to Moderator
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i was playing mm when the dmd went blank. i checked the fuse(s),dmd, and checked for loose cables. but no go any ideas what i should check for? thanks
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wbradley
February 28, 2010, 10:31am Report to Moderator

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Try swapping a DMD from another machine first. Only 2 or 3 connectors. If it is the DMD, MAD Amusements or Pinballlife are reasonable. Otherwise check connectors.


Ten SS games...but 8 is my limit!
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hardkor
February 28, 2010, 10:37am Report to Moderator
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yes i did that but no go. thank you for the help
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wbradley
February 28, 2010, 10:49am Report to Moderator

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If it's totally blank, time to start looking at the power section of the driver board. Also check the ribbon cable to the board. Not sure of voltage into display (it's high), lastly would be signal from board to DMD.


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hardkor
February 28, 2010, 10:52am Report to Moderator
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i put a new ribbon cable on. the board has power (volts) going to it . could it be a rom???

thank you
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wbradley
February 28, 2010, 10:55am Report to Moderator

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I think you will need Necro's input here...Or RGP for peoe who have experienced and fixed same.


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hardkor
February 28, 2010, 11:35am Report to Moderator
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i took my totan board and put into mm. now mm works and totan doesn't. so its a board. does anyone know how much for a new driver display board is worth?

thanks wbradley for the help.  
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necro_nemesis
February 28, 2010, 12:11pm Report to Moderator

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That's an A/V board in MM and it's usually top side of $400 USD for one.

If I were you I would send it to Clive at Coin-Op cauldron and no one else. It has surface mount devices and the ASIC and audio chip are a b**** to replace without the correct equipment. If it's the HV section that's gone you can fix that. I have, but you better have balls of steel when playing with that board as the replacement is pricey and not readily found.

Start by checking voltages for the HV section but better yet, don't f with it and send it to Clive.



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pins only
February 28, 2010, 12:17pm Report to Moderator

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Clive at Coinop Cauldron repairs them for $86.00US plus shipping both ways assuming it hasn't been worked on before...

http://webpages.charter.net/coinopcauldron/brepairs.html

A-20516 WPC-95 Audio/Visual board $85.00

It is about 25 or 30 lines from the bottom of the page...

Dave


Here are games I would like to acquire this year, or sometime...

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Iron Man
Attack From Mars  Prefer Pounded playfield!
Monster Bash       Prefer Pounded Playfield!
Elvis
Sopranos
Batman Forever
Spider-Man  Stern  Prefer Pounded Playfield!

Have these available for trade or possible sale:
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Theatre of Magic
Twilight Zone
RFM/SW:EP1 Nucore Combo
AFM
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necro_nemesis
February 28, 2010, 1:36pm Report to Moderator

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Clive as do many places had the ASIC and the ADSP for that board. The rest of the chips are generic. Fortunately the ASIC has been re-run and the ADSP was common as it was used in Mortal Kombat as well.

Upshot is it should be repairable.



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hardkor
February 28, 2010, 4:50pm Report to Moderator
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thank you i going to send the board out.
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