You’ll recall a few weeks back I wrote about the acquisition of this great cabinet, released by Nintendo in 1984. This particular example is in great shape, and I was very fortunate to be able to snag it and bring it back to Arcade Blogger towers. If you missed out on the original post, have a read here.
So I got the thing working, which was a great start, but I really wanted to strip the cabinet down, give it a good clean, and do something about the lack of red displaying on one side of the cabinet.
Let’s start with the cabinet itself:
So with the cabinet rebuilt, I wanted to get figure out why one side was refusing to show any red. I was worried that one of the monitors was faulty, which would have been a long repair road. To test it, I swapped the monitors around, only to find that red was still not being displayed on the same side. This was good news, as it eliminated the monitors as being suspect!
So I had a PCB problem. I did some research online, tried a few things, but still the lack of red remained. Figuring I was at the end of my knowledge, I got in touch with a friendly collector who was prepared to take a look at the PCB for me. Long story – it turned out to be a broken trace, which was hard to pin down, but easy to fix: