Should I even try to fix this Omega Race mainboard?

ifkz

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Should I even try to fix this Omega Race mainboard?

Please see the attached pictures. I got this board some time ago when I needed to find a replacement soundboard for my Omega Race UR. The set of boards I got had this pretty good looking mainboard. It has a lot of work done to it by another tech. As you can see, all of the acid has been cleaned up. Several new sockets have been added. I spent a night completing the ROM set, adding an x/y adjustment pot, and populating the empty sockets with parts from a trashed board. After this I put it into my machine and I was greeted with four flashing 1-4up start buttons and a coin counter that was running wild. Is it worth it to try and go further? I have a couple of extra chips from the trash board, and I feel that my working board may be on borrowed time.
No, I did not send this through the dishwasher :(

Component side
HPIM1227.jpg


Solder side
HPIM1226.jpg
 
Looks doable. How much time do you want to spend on it?

Working on one now with minimal corrosion, but still having issues with the program ram.
 
I'm almost out of space for another game, I'm almost done with my major projects, and it's getting cold out. So I have the time, just not the skill. I've done some board work, but it's been obvious stuff like bad sockets, bad connections, and bad caps.

Some thoughts: I compared this board with my working ones to get the chip locations right, and I didn't plug anything in the wrong way around. I'm not sure about the prior work. I do have a logic probe, but I haven't had success using it. I can see the pulses, see what chips are stuck high or low. I can pull up the datasheets and probe the chip enable and input and output pins.

The spot killer was also active during my testing.
 
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