Double Dragon preservation & conversion

Arcade Collecting > Restorations & repair

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smalltownguy:
Ok, after going back and forth quite a bit, I've decided to restore this cab, NOT convert it. I just CAN'T convert a dedicated DD -- it's my favorite game!

It needs some TLC to bring it back to decent shape though:

* Need a new PCB -- this one's flaky
* Side art has been painted over partially -- time for citristrip
* Wheels are gone -- anyone know where to get replacements?
* Marquee is pretty yellowed
* monitor could be recapped
* coin mechs missing
* CP overlay is pretty worn -- could use a new one, or lay plexi on top
* Corners knicked up - could use some triangle guards
* Monitor bezel is a bit faded, but I could live with it.
Some work to do, but nothing too tough.

smalltownguy:
I think I may have found something that will work in restoring the side art today. I tried Citristrip, and didn't get anywhere.

I found this at my parents place last night, and thought I'd give it a try:

Voila! We seem to be making some progress here:

Looks like I have a LOT of elbow grease in my future :angry:

smalltownguy:
Many thanks to Lord Nightmare over at Mameworld -- I now have a copy of the CPU schematics!

I've uploaded them to the file repository. As far as I know, this is the ONLY digital copy of these schematics currently available.

http://files.arcadecontrols.com/details.php?image_id=3618

Now I need to start teaching myself how to read schematics ;)

CheffoJeffo:
:cheers:

There is a guy (check CGCC.ca -- CoinOpcorner) who has 4 DD boardsets available.

smalltownguy:
Ok so I have confirmed that I now have a working boardset in my posession! Only took me 3 tries to get there, but hey, now I have 2 sets of spares for parts, right??

I also took it upon myself to take apart one of the OEM pushbuttons to diagnose why Billy wasn't 'punching' every time I hit the button. Turns out the brass disc that contacts the 2 points in the button had a fine glaze of corrosion covering it. A quick buffing with emery cloth made my button work like new again. Of the 6 action buttons (3 blue and 3 red), only 4 are original -- 2 have been changed out to microswitch buttons some time in the past. I'd sure like to get my hands on a few NOS buttons to get a matched set again :(.

I've noticed an odd behavior lately -- the board will reboot randomly. Jiggling the JAMMA connector triggers it. This means either the contacts on my board are weak/dirty, or my JAMMA harness doesn't hold tight enough. Anyone have any opinions how I can address this?

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