Convert Operation Bear to Mame cabinet
by gipsy on Feb.15, 2009, under Arcade, MAME, Operation Bear
The last days I was working a lot to convert the Operation Bear into a general MAME cabinet.
As always I had more or less no plan what I was doing and just learned by doing.
First I destroyed an old PS/2 keyboard and soldered the arcade controllers to the keyboard controller. The Caps/Num/Scroll Lock LEDs are used as CPU Load indicator (25%/50%/75%).
Then I checked how to connect the Arcade Monitor (Hantarex MTC9000) to the computer and decided to solder a VGA connector directly to the Monitor Input. In this way I can hook up the computer with a standard VGA cable and simply switch to the original Operation Bear by plugging out the PC and plugging in the original ROM.
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All the computerparts are mounted on a piece of wood which perfectly fits into the cabinet. I also bought some new low cost speakers, dismantled them and mounted them into the original places.
[SinglePic not found]
The next step was to mount the controller assembly into the cabinet without destroying it. Everything should be completely removable so the original lightgun can be mounted again.
The last missing step is to put some nice finishing over all my naked wood parts, but this is again something I have to learn 
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February 15th, 2009 on 23:01[...] Convert Operation Bear to Mame bcabinet/b – HUPFAU.com [...]
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September 18th, 2009 on 00:01pinball repair…
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keyboard repair
October 11th, 2009 on 12:11keyboard repair…
This was a great article pertaining to keyboard repair….
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