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This is a true prototype Monster Bash.
When it came in we slowly started picking at the front cabinet decal and figured ou
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The cabinet is screened and the colors are very bold.Not sure why they chose to install a production style decal over just t
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There are some differences in the playfield itself as well as the hardware.The differences vary from things that just look p
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The game although a bit rough looks to be pretty low use.Has the typical wear at the Mosh pit and a little on the drac trac.
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Typical wear at the lagoon hole as well.The color in this area is more of an aqua blue which differs from the lime green o
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Has the provision for the skip flap ramp but the mechanics are not there.
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There are some wiring hacks here and there to be address which is nothing unsual on a prototype of any game that I have do
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The cabinet rail on the left has been replaced at some point.There was some damage to the cabinet but it is nothing that c
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One intresting thing to note about the siderails themselves is that the original set used on the game was of the more ro
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The one on the left that has been replaced with the more commo0n sharp bend style.This being the case and considering the d
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Teardown underway.Notice this MB has a real knocker.
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Boards have been removed.One of the first things I pull to eliminate all the connections in the head prior to removing each
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Since this game has rare preliminary ROM all matching #s and is at least kind of clean I carefully just wiped each board
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Wiring harness for the inner backbox and ribbon cables are cleaned and bagged in anti static as well.
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First harness to remove is the opto harness since it is the shortest and always the last one run at the factory.
Right of
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Ran into another snag 2 seconds later.It looks like some of the wiring for the targets was added after the switch and opto
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The following pics give an idea of what we are working with initially.
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This is where they tapped 12 volts for the opto harness direct into the harness no connector.
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This is what is left of the target wiring taps.They will be run directly into the switch harness as they should be and loo
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Opto harness has been freed.
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This is what is left behind to weave into the switch harness now that the opto harness is no longer tapped into it.
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Solenoid and and lamps harnesses have been removed.
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With the lamp and solenoid harnesses removed it becomes a little clearer to see what needs to happen with the switch harnes
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Switch harness is out and laid out.
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Switch harness is reworked as far as I can take it until reinstalling it.
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Most of the underside is removed.
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Interesting.Plugs are used for the eddy sensor cut outs.
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Top side teardown nearly complete.
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A quick close up of two things.One the color difference in the lagoon area.The other of the cut out for t he once present s
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Playfield is out of the cabinet.
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All t nuts removed.
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Top side t nuts removed.Ready to beging repair prep.
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Shooter lane is a little chewed up.
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Typical mosh pit and drac trac wear.
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Some chipping at the lagoon hole.
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