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Pac-Man Restoration March 26, 2010

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A photo can make something look a lot cleaner than it is, but this Pac-Man machine was the nicest I've ever seen on the inside. I took this photo before any vacuuming or cleaning.

Note the satellite board installed (red arrow) as part of the Ms. Pac conversion that had been installed on this machine. This is a Two Bit Score ABC ROM replacement for the OEM board. Apparently, twobits.com includes it as part of their Ms. Pac-Man board package.

My latest Pac_Man machine



The control panel (below) shows the usual palm-resting wear, but it has a graphic overlay that's in pretty decent shape. The problem is that (ugh) micro-switch replacement joystick. It'll have to go but there's nothing I can do about the new holes drilled through the overlay. I'll have to order a new one and find & rebuild an original joystick:

My latest Pac_Man machine



Some more problems to solve. The 12-pin factory connector to the control panel was inexplicably removed, the wires stripped, twisted, and taped:

'Crapsmanship' in the rewiring work
Why do people do this kind of thing? Anyway, this is a great example of what I see all the time--shoddy work on the part of someone else. Not only are twisted wires begging for problems, but you can't remove the control panel and place it aside. This will require aquistion of an Amp Mate-N-Lok 12-pin plug and socket.

On top of that, many things were cross-wired. A game tech who helps me with the more challenging things found that the one and two player buttons were wired together and also hooked up to the tilt switch on the coin door. I have no idea why, but had somebody whacked it hard enough to close the tilt switch, it would have shorted the +5 to ground.



Time to clean up the glass bezel. First, we'll clean up the top side. You can be pretty aggressive in your tactics here because all the ink graphics are screened onto the other side. I use lacquer thinner to make the job go fast. (Don't worry, I didn't use the screwdriver to scrape the glass--it pried open the cap on the lacquer thinner). DO NOT LET ANY OF THE THINNER GET ON THE OPPOSITE PRINTED SIDE.

Safety Note: Do this only with good ventilation, away from any sparks or flame, and wear the appropriate gloves.

Lacquer thinner really goes after the sticky stuff.


Now use a razor blade to scrape off any remaining gunk. I'm using an automotive tool that you just have to buy (auto parts stores have them). It hides a single- edged blade when not in use and provides great control. Go over the glass one last time with lacquer thinner.

This is a decal scraper that mechanics use.
Safety Note: Don't cut anything important off your body while using this tool.

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