Final fight -Black screen

Freezepop

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I recently purchased a Final fight board but im having some issues with it. when i put it in one of my machines all i get is a sound that last for 2 sec and the screen is black with random occurring white squares, lines.

looking over it looks fine everything is set nothing loose. Any ideas?
 
That sound indicates an error. The main CPU is not booting for some reason.

Could be a bad ROM, bad C board, bad B board, or bad A board.
 
Swap boards around with a working set to see which one it is.
 
You can swap CPS-1 "A" boards (or bottom boards) among almost all CPS-1 board sets.

But, sometimes hick-ups may occur; however, that's normal.

What you're really looking for in an "A" board swap is good sound and video.

It's just to let you know the top boards are working ok and the swapped out bottom board is messed up.
 
Yup,

CAPCOM made like five or six different "A" boards. The older ones are longer and the newer ones are shorter. They all have CAPCOM part numbers silk screened on them: 89626A-4 or 88617A-5. These numbers are all located on the side of the board with the dip switches. Any one ought to work just fine for testing sound and video.

Usually the hardest part about swapping bottom boards is separating the top board(s) from the bottom board. Sometimes these boards are stuck together real tight..
 
just looked at my SF2 and is a single type board. all my other capcom boards are cps2. Man this is frustrating, buy a board working, u get it not working and now im wasting valuable playing time trying to get it working. now i have to find a board that will work.

hope fully i can get this working soon.

thanks for the help though
 
CAPCOM put STREET FIGHTER II on CPS-1 hardware.

And CAPCOM designed all CPS-1 hardware to function around an "A," "B," and "C' board set design.

So, if you have a single PCB running a game that CAPCOM published on on it's CPS-1 hardware, then it's probably a boot.

--------

OEM CAPCOM SF2 boards--WORLD WARRIOR and HYPER FIGHTER. Notice the board set.

sf2ww-pcb-t.jpg


StreetFighterII.JPG
 
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