Pinball Life will be closed from 6/16 to 6/20. You will still be able to access your cart and wishlists, but will not be able to check out during this time. All orders placed before 11:59pm on Monday, June 16th, will ship out June 17th and June 18th.
ULN2803A switch matrix driver chip used in all Williams/Bally WPC machines. Common failure chip (position U20 on the CPU board). Common cause of "ground short row" error message. Williams/Bally reference #5162-12422-00 & ULN, 2803A.