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I just restored a Spy Hunter which came out super nice. Everything looks and plays great. The last part I installed was the coin door. Prior to installing the coin door, there was no hum coming from the speakers. Once I installed the coin door with lamps, there is a noticeable hum coming from...

Sorry. My bad!

Graphics card?

I had a graphics issue with the "city" on the second level of Moon Patrol. It turned out that ROM 3H on the last board of the board set needed to be cleaned and re-seated. Here is the repair thread... https://forums.arcade-museum.com/threads/moon-patrol-graphics-issue-level-2.555213/#post-5010690

Here is the success pic.....

I will post a pic later today or tomorrow. Good idea on the thread.....

I actually found some time to take a look at it today. Yes, 3H needed to be re-seated. Thank you everyone.

Thanks! I will give it a shot likely tomorrow or the weekend. I will report back...

I am having an issue with my Moon Patrol board set. The game plays great and the sounds work well. There are no graphics issues on level #1. When I make it to the second level, there are vertical lines through the background sprites. I attached some pics showing the issue. As you can see, level...

Hello! I am currently restoring a Spy Hunter. I was able to adjust the horizontal width on the monitor (K4900) so that the picture takes up just about the whole tube. I then noticed that the monitor bezel has a pretty big lip (see picture) on the horizontal ends. The lip covers close to about an...

@yaryar Hes a good dude! Has done several repairs for me.

Can you post a pic of the back of the black gas pedals? They may be from an upright Spy Hunter.

Just wanted to give an update on the bearings I bought from Arcade Parts and Repair. I finally got around to installing them today. They are super smooth and are of excellent quality. I would definitely recommend them to anyone that needs a set.....

oh ok! Cool! I will adjust it up tomorrow. It is still out of the machine and I still have to assemble the top plate and the electronics. I just had no clue exactly where the idler should be. I will use the business card method tomorrow. Thanks for the tip. I will post how it works. BTW, I just...

Do you assemble the trackball and then just adjust it to what feels the best (smoothest)?

Yes, I know that you need an Allen wrench. My bad! I should have asked how far should it be adjusted. Is there a certain distance in or out that it has to be adjusted to? Or do you just do it by feel? Thanks

I am in the process of rebuilding my Missile Command trackball. I know that the idler bearing is adjustable. How do you properly set the position of the idler bearing? Thanks for the help!

FYI: Arcade Parts and Repair now sells Missile Command bearings! I just picked up a set and plan on installing them this weekend. As everyone knows, they always sell top notch products. Link for the product is below...

But who else sells good bearings for the large trackball?

It has a new OEM trackball! It is smooth but it just feels like it could be a little better. How long are they supposed to spin after giving it a good swipe?