Another way of doing it Dan is use the coin lockout coil on the coin door for about 3-5 seconds. That usually works well.
I did the coin door coil method. It worked really well.
I only did it for a about 2 seconds. I was a bit scared to do it too long. Anyway the result was great.
Thanks Blair for your tip.
Shit, your game trying that
Isn't the coin lockout coil 25 volts on these??!! i would've thought that would destroy the display! (i hadn't heard of this being done before to revive a dull display)
Glad to know it worked for you though