Mortal Kombat 1,2,3 PCB question

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BigNick

Kula's Candy
Joined
Feb 26, 2002
Posts
297
Does MK 2, 3, or 4 need a seperate sound board? Is there a good place to get pictures of the board. Sellers on e-bay say working but everyone has diffeent board pics? some single + others double?
 
Rigel

Rigel

The Ultimate 11
Joined
Dec 11, 2001
Posts
226
Originally posted by BigNick:
<strong>Does MK 2, 3, or 4 need a seperate sound board? Is there a good place to get pictures of the board. Sellers on e-bay say working but everyone has diffeent board pics? some single + others double?</strong><hr></blockquote>

My MK2 has a seperate sound board. I know there's some bootlegs that are only single boards though. As for MK3 and MK4, I've never seen one, so I couldn't say.
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Asure

Captain Dick,
Joined
Sep 14, 2001
Posts
644
MK1 and MK2 both use a sound board. I've only seen bootleg boards of MK1 around, but they are 2 boards on top of eachother.

MK1 is released in 2 versions. The T-Unit version and the earlier version. Both use a sound board, but the sound boards are (as far as i know) not compatible.

As you might expect, the MK1 T-Unit version looks just like other t-unit games, like Nba Jam, and Jam TE for example.

MK2 looks like a t-unit, but it has a board mounted upside down on the mainboard. Still uses a sound board.

Mk3 uses the WOLF unit hardware, and is a single board design, just like Nba Hangtime. No sound board on MK3, UMK3 and MK4.

When buying a MK1 or MK2 i would make sure all the wiring to the sound board is included.

- Alex

Picture of a T-Unit (Nba Jam, but MK1 looks same)

aal.jpg
 
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BigNick

Kula's Candy
Joined
Feb 26, 2002
Posts
297
OK, that the MK1 i just got on ebay :-D but it didn't include that large wire bundle running from the top to the soud board. What does it do and can I purchase this from anyone?
thanks!
-Nick
 
Rigel

Rigel

The Ultimate 11
Joined
Dec 11, 2001
Posts
226
Originally posted by BigNick:
<strong>OK, that the MK1 i just got on ebay :-D but it didn't include that large wire bundle running from the top to the soud board. What does it do and can I purchase this from anyone?
thanks!
-Nick</strong><hr></blockquote>

Those cables are for the sound. If the MK1 is like my MK1 (I have 1 and 2!), then you'll need a small ribbon cable, and that other bundle of cable shown in the picture above. They basically give power to the sound board, and send the sound to the main PCB, then to the JAMMA harness, etc.
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T

Tom61

n00b
Joined
Apr 15, 2002
Posts
47
If anybody needs it, I have a PDF manual for MK 1, which includes wireing diagrams.
 
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BigNick

Kula's Candy
Joined
Feb 26, 2002
Posts
297
MK1 and many more Manuals can be found Here

<a href="http://www.stormaster.com/Spies/arcade/manuals/MortalKombat.pdf" target="_blank">http://www.stormaster.com/Spies/arcade/manuals/MortalKombat.pdf</a>
 
ttooddddyy

ttooddddyy

PNG FTW,
Joined
Nov 29, 2001
Posts
8,335
Another good site for schematics and cool arcade related links.

<a href="http://www.geocities.com/SiliconValley/Horizon/2253/" target="_blank">http://www.geocities.com/SiliconValley/Horizon/2253/</a>

When I got my MK2 boardset the connecting leads for the sound board were missing, had to hard wire them only to find a bad rom on the sound board :( Its now fixed :) )
 
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