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Yeah, I've read up on monitors enough to know to stay away from them for now. I saw how to discharge them, but am still a tad nervous about it, but now might be the time to start slowly checking it out. I'll take a closer look at the yolk. I didn't look super closely and didn't notice a crack...

Well, I wanted to update the board in case it helps someone in the future. Earlier today I gave it be more try. Removed, cleaned, and reseated the CPU. Disconnected the daughterboard and cleaned all connections. Checked all continuity on the board from the coin switch connection. Got to the end...

Is there any way I can do some tests to find out exactly what is not working on my own? I'm new to this, but can follow instructions like nobody's business! :)

I'm a little confused. However, since I did check all connections besides the daughterboard to motherboard it wouldn't hurt cleaning and reseating it. However, I don't have a "lack of invaders" problem. They're on the screen and going through the demo stuff. I just can't get it to coin...

So I tested continuity on the coin lever and it all looks good. Connecting to one coin switch connection and the ground at the motherboard connection gives a tone, connection at the other coin switch connection, no tone unless the coin lever is pressed. I think this means I have a bigger...

Sounds like you and I might be able to help each other. I have an SI that I am trying to get working. Personally can't get it to coin up. As for your picture problem, it might be the reset circuit on the power supply. I read that was a common issue, and the screen garbage looks similar to...

Oh, forgot to add, the coin lever was making the coin counter advance. I jumpered the lever, and sure enough it advanced, but did not coin up. At least I removed that as a possibility...

So I just got home a bit ago and couldn't wait. I think I might have info that could get me one step closer... First i tested my power supply according to the instructions on the Elektronforge website. All settings were close, but slightly off, so I adjusted the pots and they are now dead on. I...

Awesome! Thanks for the reference. I at least feel like I'm making some sort of progress even if it's research. I wasn't sure if the machine had attract sounds, so you're probably right that once I can get it to coin up I'll find the sound is fine. I'll keep digging and update. If you find any...

Yeah, this is the page I used to test all of the connections, but I didn't test the power supply. I think I'm going to try that tonight. As for the tilt switch, I'll tape the end of each wire up, but a quick question...any chance that circuit being broken could affect something else? I have...

Any ideas out there? :) I'm trying to get my hands on a test rom and try to figure that out, but I've exhausted all ideas I have on this coin up problem. Since posting this originally, I've also traced the wires from the coin lever and checked all of the bundled connectors. All seems good and no...

Screen shot

Coin door 2

I checked the dip switches, and I'm attaching pictures to show it is showing zero credits (picture is still blurry...another step I'm gonna tackle later) and two pics of the coin door. I took them with my phone, hopefully they are ok. Also, the coin counter works and goes up when I push the...

Thanks for the reply! I have actually been on that site, and haven't found what I need yet. Might be because I am new to this and am missing it, but I've tried everything on there I can, with no help. It helped solve other problems, but not these two. And thanks for the link and the coin door...

Hey everyone! I am new to this arcade owner/restoration thing, so please go easy on me if I am calling anything by the wrong name. :) I bought a SI Midway Cocktail game and have a coin up and audio problem I just can't figure out. I searched the forums for similar problems, but didn't find...