Replacement Capacitors for Wizard of Wor PCB

Got my order from Bob Roberts tonight as planned. I did end up getting some sort of replacement for the original glass caps used on the Wizard Of Wor PCB, here are what they look like.

Wizard Of Wor Mylar Caps Photo

What I had been reading on the original ones on the board was a little off. On these caps you’ll see printed AVX 104 M5J 911. I don’t know what most of that means, other than 104 is synonomous with the .1 on the schematic. However, they don’t have the typical signs for polarity, and since they are caps and caps have always had polarity in my experience I will have to figure that out before putting it on the board.

Bob emailed me back right away, he is so great like that, and let me know that these caps don’t have a polarity on them, so either way is fine. I did just that and soldered the cap onto the board.

I powered up the game, and it seems to be working fine. It didn’t reset on me when I played, so that is great news. However, it does still have the lines through the screen so the next step will be a cap kit. I also thought that the one and two player buttons were a bit sticky, and the game voice seemed a little weird, like it was repeating. I have to test the Mame version and see what that does, hopefully that will give me a good indication. Otherwise I can go to Robert’s and test his Wizard of Wor to see how the voice piece works in his.

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