I attached 2 pics and wanted to see if anyone knew what could be wrong with my Sega Harley Davidson pinball screen. I took 2 pics and can take more. (there is no blue, just apparently from my camera.) simple fix, expensive fix, etc.. thanks

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ok, I will try it. Thanks. I did the one end, but not the other. I appreciate the advice. Also, if it's not that, any other possibilities?

thanks guys, I will try that tomorrow.

I disconnected everything and plugged everything back in but to no prevail. So when I put the power back to it, the same thing happened. At this time both the small and big ribbon was disconnected. So if the ribbon wasn't connected at this point, does that mean it's something besides the ribbon? Then I plugged everything back in including the ribbon, but to no prevail. I will check the voltage at this point as suggested. Anything else? Could it be the DMD screen itself?

So I changed the small board, I had a spare, no good. I used the ribbon on id4 and that worked on that game. So I guess I eliminated another 2 possible issues. So maybe it's the dmd . However when I took out my back up small power board that was red hot the short time I had it plugged it on. Going to swap entire dmd next.

I switched out the DMd, and it worked for independence Day and my id4 didn't work for Harley. So it's obviously not the DMD. so I'm gonna check the voltage next. Striking out but I guess I'm eliminating other issues, but running out of ideas.

I'm going to work on it tomorrow. I was just looking up on the dmd controller board. The cheapest one I saw so far is $125. I'm sure most places don't do returns, but I guess if I eliminated everything else, it might be worth a shot.

So I forgot I tested my dmd controller board and it worked fine with the id4. I just tried to make sure all wires were attached. All my fuses are good. Here are the updated pics. It seems like I get more lines now, not that it's working or anything. I need to buy a digital meter. Here are some updated pics. I don't know what else to trouble shoot at this point.

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I will check. Thank you. I really appreciate your help. You're awesome.