good, I have a display is already half exhausted and no longer see the letters well. to a trick I've seen that consists of increasing the voltage on the board. that is to exchange a zener diode with another zener diode with more voltage. I want to know the opinions about this and what they advise me
That hack isn’t really worthwhile.
Replace the DMD. The new LED versions are becoming affordable.
—
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/contact/
http://www.PinWiki.com - The new place for pinball repair info
Go with a ColorDMD and then you will not have to worry about that high voltage. Just sayin........get it. 
http://shop.colordmd.com/
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