Maybe many of you will recognize this IC and throw up hands in horror: This is the ‘infamous’ ‘HB-41’ used on several arcade PCBs (from Seibu/TAD Corporation but not only) : Raiden Blood Bros Legionnaire Sky Smasher Toki Dynamite Duke Olympic Soccer ’92 Cabal Heated Barrel Operation Wolf This analog component (20 pin SIL package) … Continue reading Seibu ‘HB-41’ reproduction