ok disconnected each display seperatly,no change unfortunatly...
Geez I hope its not the master display shorted ! sounds like the same fault you had tho..
Ive got a hunch on all the 8s, theirs 2 Bcd to 7 segment decoders MC145437 on the discrete component master board,
one runs displays Master + 1-2 and the other displays 3-4,
will swap these Ics and see if the 88888888 fault moves...
