williams wpc dmd board problem

Pinball Rehab - WPC Board Versions

WPC Generations. WPC Alphanumeric. This is the original WPC board set with alphanumeric displays. WPC Dot Matrix. A dot matrix display was added and the display board was replaced with a DMD driver board.

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Williams WPC - PinWiki

The WPC DMD display and DMD controllers are common features in Williams 1990's era pinball machines. The display is a high-voltage plasma system that has scanning electronics built in. The WPC dot matrix controller board, or WPC-95 AV (Audio/Video) board in later machines, provides the power for operation, and maintains the display dot images

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TECH: WPC-95 DMD display problem Tech: Generic Pinside.com

Just move the bad board into the mm and the good board somewhere else. I saved two defective av boards for afm and mm color Dmd. Understood, I was planning to get the Rottendog as a back up for my SS and any future WPC-95 buys.

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Thanksgiving 2009 -- How early were you up to start

Read the Thanksgiving 2009 -- How early were you up to start cooking this morning discussion from the Chowhound Home Cooking, Thanksgiving food community. Join the discussion today.

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Repairing Williams/Bally WPC Pinball Games from 1990 to

If the fuses are good on the dot matrix controller board (or audio/visual board for WPC-95), you should next check the power at the DMD itself. Voltages used are +62, +12, +5, -113 and -125. Check these voltages at the dot matrix display, or at connector J604 on the controller board.

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williams wpc dmd board problem - getpromocode.in

problem with dmd's for this era of williams is the hv section of the board. if you can test your dmd in other machines . i have an un-rebuilt wpc dot matrix controller that runs some of the resistors at 300+ degrees (tested with an infrared thermometer). i rebuild all of my new acquisitions .

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Pinball Rehab - Repairing WPC Dot Matrix Controller

Repairing WPC Dot Matrix Controller Hot. Once you have confirmed the problem is with the Dot Matrix board (either logic or high voltage) this article will assist you with the troubleshooting process. The second most common problem with the DMD is one or more rows or columns of pixels going out.

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Pinball Hardware Flipper Cleaning Guide for Pinball by

Switch the opto boards (the left and right ones are interchangeable) and see if the problem follows the board. If not, replace the LM339 that drives that opto. Note that the opto board power is jumped through the left opto board -- both must be plugged in for the right one to work

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RepairinWpcPINBALL for iOS - Free download and software

Repairing Williams/Bally WPC Pinball Games from 1990 to 1999NOTE:This document is a repair guide for Williams and Bally WPC pinball games made from 1990

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