What is it?

This is a pre-assembled board meant to be used as a replacement for faulty custom ICs marked ‘60A1', '63A1' and '64A1'.

The board will substitute the custom ICs marked ‘60A1', '63A1' and '64A1' used some Namco arcade PCBs, you can simply select which one you need by setting a 2-way DIP switch located on bottom side.

The '60A1' is found on :

• Pac-Land
• Dragon Buster
• Sky Kid (all revisions except early one)
• Sky Kid Deluxe
• Alien Sector
• Baraduke, Metrocross
• Rolling Thunder and all other System86 games

The '63A1' on :

• Sky Kid (first revision)

The '64A1' on System 1 games :

• Yokai Douchuuki (Shadowland)
• Dragon Spirit
• Blazer
• Quester
• Pac-Mania
• Galaga '88
• World Stadium
• Berabow Man: Chouzetsu Rinjin ( Bravoman or Beraboh Man)
• Marchen Maze
• Bakutotsu Kijūtei
• World Court
• Splatterhouse
• Face Off
• Rompers
• Blast Off
• World Stadium '89
• Dangerous Seed
• World Stadium '90
• Pistol Daimyo no Bōken
• Souko Ban Deluxe
• Puzzle Club (unreleased prototype)
• Tank Force

Why did you make it?

I did it because the original part breaks very easily, making expensive and valuable arcade PCBs useless.

What makes it special?

The replacement has exactly the same functionality of the original parts which are known to be prone to failure.