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Title: Wonder Boy Bootleg board #1 and #2 Post by: Zabanitu on February 12, 2012, 10:20:28 PM this board comes with a 2nd big pcb replicating some custom ICs.
the background and audio were ok but the sprites were heavy flickering and near impossible to recognize. after some socket replacing i found that a LS138 on the lower side of the sub board had a floating output, replacing it fixed the sprites issue. i also used the just fixed top pcb to test another wonder boy bootleg board (wich had 2 sub boards and one missing AM25LS2519 chip) to confirm the bottom board works ok. so i copied the AM25LS2519 little implementation (2x LS173) from the working board and made a wirewrap pcb to fix the 2nd bootleg game. Zab Title: Re: Wonder Boy Bootleg board #1 and #2 Post by: channelmaniac on February 13, 2012, 05:59:29 AM Those pesky 25LS2519 chips are a beeeeyotch to find. I have about a 1/2 dozen or so of them and that's all I've EVER been able to find.
Title: Re: Wonder Boy Bootleg board #1 and #2 Post by: proten on February 13, 2012, 03:05:27 PM Here is some at Arcade Components.com !!
http://www.arcadecomponents.com/catalog/item/2251652/8229260.htm (http://www.arcadecomponents.com/catalog/item/2251652/8229260.htm) Title: Re: Wonder Boy Bootleg board #1 and #2 Post by: channelmaniac on February 14, 2012, 01:17:52 AM Here is some at Arcade Components.com !! http://www.arcadecomponents.com/catalog/item/2251652/8229260.htm (http://www.arcadecomponents.com/catalog/item/2251652/8229260.htm) Yup! That's me. :D |