ArcRevival
Well-known member
After running on an aftermarket HV board that Arcadeshop used to sell for the past 6-8 years, (i lost track of how long it's been) , i decided it was time to rebuild the original one that has been collecting dust in my garage. I read the Amplifone upgrade faq a few times and ordered all the parts from Bob Roberts. Teamed up with Dan ( Hatrick) and we copied Level 42's idea of the resistors mounted on the heat sink. I put in a new flyback and followed all the suggestions on the guide and now have a fully working HV board. The deflection board was working but had not really been touched. I did about 98% of the upgrades on it and have an incredibly stable picture now. Replacing the 10k pots on the deflection board made a HUGE difference in the stability of the picture. That was the last thing i did and saw a tremendous improvement with the new pots. Over all it was pretty easy and the only problem i had was when i first fired up the game and could not focus it. The lower focus wire ( not the one that comes from the flyback) had broken off and needed to be reattached. Once I did that I had a fully working HV board. What a difference !


