Marty, you mention in your previous posts that you have cheked the 60 volts and gound to the displays.. Can you confirm please that you have the filiment voltage of 5 volts AC and the +5 Volts DC to the displays, before we decide it is the CPU
Have you checked the filiment voltage?
5v AC across pins 13 and 3 of A14 P1??
I will double check now. Previously I used the green earth on the display (DMM on DC) on pin 19, and pin 17 which I got 59.? and 60.?v...
Re the 5v AC - this should be pins 15 & 16 if I am reading the schematic correctly?
Noob had is on too....A14-P1? You may have to direct me to this as I couldn't find it....Playfields are out at moment too...
