Magic Sword Graphics glitches

PrairieDillo

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Donor 2011, 2024
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I aquired a Magic Sword CPS1 board a graphic glitch, but it's still playable.

It's doesn't look like the character or enemy sprites and is very obviously localized a layer of the background. It takes chuncks out of a layer of the screen in a grid. I at first that it was something wrong with a mask rom containing the image files but I think it's in a set patern as in some sort of addressing issue.

I already removed all of the chips and cleaned them with a pink pearl eraser an reseated them back in.


IMG_0162.JPG


IMG_0163.JPG


Any thoughts as to how to get this fixed cause I have spare parts CPS1 bottom boards.
 
I had similar problems on TWO Magic Sword boards, the third board I got finally was working correctly. Hopefully someone will be able to figure this out, these graphic & sprite errors seem to be really common on the Capcom CPS1 games.
 
Probably the top mini "C" board has damage or the chip is fried. I've been through three replacement C boards and my set is still bad. Check your board for broken traces using the beep (continuity) test on your meter. If it passes, the chip is toast. Oh, and the chips are pretty much game specific. I hope you get lucky and it is just a bad trace.

EDIT: My thread with a similar issue:
http://forums.arcade-museum.com/showthread.php?t=186442
 
I have another working MS board. Maybe I can just swap the GPU C board and double check that everything else is working.
 
After swapping around with my boards, it's the "A" bottom board that shows issues. My B/C stack seem to work fine on my working board.

Anyone want to sell me the working "A" board so that I can get this one fixed? Alternatively I can sell my B/C stack to help you fix yours. $30 plus shipping?
 
You have lost one of the SRAM chips, one has lost the ability to read from a block internally I would say. Just check there are no bent pins on the underside tho.
 
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