simpsons

I probed IC 051550 and found my Simpsons board is watchdogging RES and RESET just pulse, but when I bridge the JP connecting RES (p5) and VREF (p4), RES is stuck low but RESET (p10) is stuck high. Additional info: Voltage at VS is 1.4V and the voltage at CT is 1.224V, which as I understand it...

I got a Simpsons Bowling board complete in cage off ebay. Was sold as not working. Everything in the initial hardware test comes up as OK except for 11p. The manual says if any of the flash roms come up as bad you press the test button and it will reprogram them but nothing happens. All the...