machine suddenly stopping

[plazmapete]

i have a funny money fruit machine with epoch boards inside, works for a while then goes dead apart from the speaker making a loud clicking noise.
on main board :-
security NOT LIT
+12 OK
-12 OK
+ vlogic OK
+ vdisp NOT LIT
reset NOT LIT

[mark]

sounds like its your game card faulty.buy a new one and take off the chips off your old one onto new one..i had simular fault once..scorpion 4 board