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I have no ability - nor knowledge to know how to test ROMs! I found some documentation that looked similar and he had the problem with the ROM. So I figured it would be a good place to start.

I swapped Z80s in it last night -and no change. I think maybe a ROM needs to be re-burned.

This one is hard for me to find information on - so I turn to you all for help! My Jack Rabbit has worked fine - and recently the image became stuck (see photo). I checked power and felt it was fine (it's been a few months since I've checked). I recently pulled every chip on the board and...

I ain't gonna even lie about it - very little of that made sense to me - so where would you start checking from the current point? My head says IC chip or power supply (since its (possibly) not pre-charging?)

Here's a video of the problem! Please watch it!

I feel like I've checked all the switches - and none appear to be shorted. I'll try them again.

Hey everyone! Wanted to update this… I reset all the chips - and now the game “almost” works as designed. It comes on in attract mode, and if you start a game - it starts. However - as soon as a ball is released - it immediately drops the “oops” message like the ball has fallen. At first I...

I pulled off both plugs and shorted them together - and it continued doing the same thing. Shoudl plug G just be laying alone?

I am sorry - I'm googling these limits and I can't wrap my head around this. Are you saying I need to adjust the switches at the top by bending the leaf? It's hitting the switch to send it back down so I guess I don't understand what this would do?

Hey everyone! My ICB is acting up. When you turn it on - the machine goes up and down on each side, and never really seems to get ready for play. Eventually it just says. "Out of Order" across teh screen. I thought this was the microswitch to the ball, so I removed the connectors from teh...

Hi everyone! My new Spy Hunter did not have a sound amp. No big deal I said, so I just purchased a repro one. However, when I plug it in, my speakers immediately start vibrating extremely loudly. They're vibrating to the point where if you stick your hand up there, you can feel a lot of air...

Hi everyone. I'm getting closer to solving my Radical Radial and now I need your help! I ordered a Jamma Adaptor to confirm if my board was good or bad - and thankfully - the board is good. I took the edge that went into the board and measured voltages.... JAMMA VOLTAGE READOUT (board works)...

Well I'll be dang. Thanks everyone!!!!

It's been a LONG time since I've played Tron - but this one I don't believe is right. On my Tron - I have 2 problems. A sound problem which I believe is the sound pot. But this one - is where only on the MCP level, if you move left or right - the whole cone moves with you. It won't go off the...

Update - tested the board in my Timber and the board seems to work great...... A faulty monitor on Tron won't keep it from playing blind would it? Its just a G07.....

Negative. I just bought it the other day. It hasn't worked since I've owned it.

Well - I'm really unsure of this one. I've got a Tron.... So far I have added..... -New MCR Switching Power Supply -New Ribbon Cables When the came is turned on - the monitor just has this 'odd coloration' just flicker. The game does NOT play blind. But the coin counter does click when you...

Hi everyone! My Radical Radial needs some assistance! When I got it - it didn't work and I think it was wired like Skelegon. I corrected the wiring - and now I just get a "thud thud thud thud thud" from the speaker when I turn the machine on. The coin counters do work when I push the switch -...

Hi everyone. When we fired up this C&D - the game worked fine. The game is MISSING a coin door, but you could switch it to free play, and you were good to go. After the game ran for about an hour, I came out and noticed that the picture was gone to white squiggly lines. I turned the game off...

le sighhhhhhhhhhhhhhhh.................. thread closed. Issue fixed........ (Thanks Mecha!)