Description
Article no.: FP-ULN2803A
#ULN2803A
Integrated circuit 18 pin DIP Switch Matrix Driver Chip.
For all Bally/Williams WPC Pinballs (1990-1999). Common failure part on the MPU board in most games. Common cause of "ground short row" error messages in these games.
ULN2803A switch matrix driver chip used in all Williams/Bally WPC machines.
Williams/Bally reference #5162-12422-00 & ULN, 2803A.