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Finally received this. It looks like an upgrade from the one above with the jvs supply. It would be nice to have a manual. I will post more when I have time to get it running.

I just picked one up as well. This will be the largest project I have ever done. I believe looking at your photos I have all the parts except for a monitor which I plan to convert this to an lcd. I found it interesting that my power supply transformer on the bottom left is different than yours...

@brizzo. I would like one as well.

My time crisis 3 guns look really bad. That's not dirt but age. Can you give me some guidance on the best way to restore them? Thanks

I still need one more.

I have a board that is dead looking for a replacement for my Time Crisis 3. Thank you!

Found this as well.

What are common issues with this board? I have checked the power and it's good but nothing works from the service switches to the gun and pedal. I have a second board that works so I know its not the wiring. The lights on the top stay lit and do not blink. Does anyone experience in...

Just a quick update. Got one of the four 246 systems to boot and run for a couple of days and then the screen froze and it no longer gives me any beeps when I power it on. I know my voltage is good and when I turn it on the red led lights up but no beeps. Does anyone have a schematic or...

Ouch, so this website is wrong then https://wiki.arcadeotaku.com/w/Namco_System_246/256 when it says the TC3 will work with the 256 non-super. I guess I will go download a new image and give that a try. Thanks for the help!

Just a quick update. I bought a system 256 that came with Tekken 5 and it works in the cabinet without the jamma board attached. (of course, it just boots and shows up on the screen). I flipped the jumper over to the 246 mode and now I get the six pings and it starts reading the disc which is...

Thanks, I have two on order! We will see what that does. I am also going to look at the bottom of the board for cold solder joints.

This is what I used. https://www.amazon.com/StarTech-com-Drive-Ultra-Cable-IDE66/dp/B0000511TN/ref=sr_1_4?crid=1T4FL7D166UMT&keywords=40+wire+ide+cable&qid=1652571800&s=electronics&sprefix=40+wire+ide+cable%2Celectronics%2C188&sr=1-4

It was an 80 wire I had to drill out the blocking pin on the connector. So do I need a 40 wire then?

That's what I figured. I have four working drives and have tested them on a computer. (Wow took me a while to find an old PC that had IDE) I never see the DVD drive even blink and it doesn't spin up. I checked the power and I am getting the 5.02 and 12.29. I even changed out my IDE cable now and...

OK put my supply in and it is running +5v = 5.02 and the +12v = 12.29. I tried two boards and nothing but the third board beeps 6 times and then stopped. I attached a different cdrom and it beeped three times and then went into like an alarm loop. Do you happen to have the beep codes?

Did more troubleshooting today and measured all the current power supplies and the voltages on them. I did this measurement from the supply and not hooked up to the system. I have four complete cabinets but since they were in a storage unit by the ocean I don't quite trust the power supplies...

I have tried different DVD drives that I know are good and also a different IDE cable.

ok, quick update. I put the new supply into the cabinet and hooked up the pc with the sound. When I turn it on I get a couple of seconds of screeching out of the speakers and then nothing. I have four 246c systems and I know one of them is bad because it has a blown cap on the bottom but the...