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Lamp Matrix Tester Board
To go along with my solenoid circuit tester, I now have a lamp my matrix tester boards available.  These simulate the playfield lamp matrix using a toolbox friendly 8x8 LED matrix,  allowing you to quickly isolate your controlled lamp problem to either the wiring or the circuit board. Quickly ID's locked-on or dead rows or columns. This is sold as a fully assembled circuit board, but you will still need to assemble the wiring harness for whichever machine you are testing.  Pricing will be $15 for the assembled board plus wiring harness kit.  As with all my kits, shipping for the first kit is $2 and very kit after that is $1 These kits are available now and ready to ship! If interested, drop me an e-mail
Special Note: These kits are packaged two different ways.   Standard or WPC.  Standard kits are intended for machines that use .156 header connectors for both the Row and Column connections. Wiring harness will include two 8-pin .100 connectors for the tester board and two 9-pin .156 connectors for the driver board you are testing. WPC89 and WPC95 machines use a .100 header connector for one of the lamp matrix connectors on the power-driver board. So one of the .156 connectors will be replaced by a 9 pin .100 connector.
Compatible With: Williams and System 3 through 11 William and Bally/Williams WPC and WPC-95 Possibly Compatible but Unconfirmed Data East, Sega/Stern 'Whitestar'	Not Compatible With: Atari: All Generations Classic Stern / Bally
Click Here For Instruction Sheet.