Aug 112019
 

Another custom IC successfully reproduced, it’s the Irem ‘KNA6032701’ , a 42 pin DIP 600mil IC used on M62 (Kung-Fu Master, Lode Runner, Spelunker and other), M75 (Vigilante) and M72 (on some  type of ‘M72-B-D board) hardwares

As usual I reproduced it my way by observing how it was reverse-engineered on bootleg boards obtaining in a board layout with same dimensions of original part :

Testing on a Kung-Fu Master PCB :

 Posted by at 10:26 am

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