MK3 PCB with Red Video problem

itobandito

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Hey Gang,
So I have 3 MK3 PCBs one working and the other too not so much. 1 has a bad U12 and U10 error which I can't fix because they are small ram chips not eprom ones and I am currently not setup to desolder them as I believe I would need one of those hot air desoldering guns to do it. The other one works but the the game has a red tint ruins the picture quality. Attached is a picture of what I am talking about. It is NOT the monitor as all my other games including my working MK3 PCB work fine. So yeah a bit stumped on what can cause this. Any advice? BTW the red showing in these pictures is slightly more noticeable in the pics than it actually is on the actual monitor when looking at it.
 

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