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jamma help please... i dont know what im doing....MK2 content

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72xmulch:
so i bought this mk2 version 3.1    on ebay this week.

 
the guy said it worked 100% tested ect...   i realize i need the kick harness and the sound is not hooked up because he did not send all the cables with the board.  eitherway, i figured it would at least work without sound and kick buttons but im wrong.   



 the cab is  a Jamma clutch hitter which like MK has a horizontal standard res monitor and the same power configs.....
so why is the screen flipping like this?

[youtube]http://www.youtube.com/watch?v=hOann9M_Ng8[/youtube]

what can i do to make it stop?
even flipping, i can see that there are some rom errors .. bah. i hope i didnt get screwed...

Q*Bert_OP:
You need to adjust either the horizontal or vertical hold( can't remember which :banghead:)

Midway boards put out signal at a slightly lower frequency.

 :dizzy:

72xmulch:
well, i can find the focus,picture,r/b/g adjustments but no h/v hold anywhere. whos up for some wheres waldo? i dont know if its labeled or not...

72xmulch:
ok i found it. they didnt look like anything adjustable at first but after tinkering for a minute i figured it out.  so! i got the screen to stop jumping,  but on loadup it says i have 4 bad roms.  the main menu works, but as soon as the game actually starts it goes haywire again.  did i buy a bum pcb? is it worth trying to fix my self or should i contact the guy about returning it?
[youtube]http://www.youtube.com/watch?v=DfSRgyAwQfQ[/youtube]

the vid is blury the first half, its not the monitor....

Q*Bert_OP:
Pull out the offending ROMs one at a time and re-insert them(to clean the pins). If that doesn't work, replace the bad ROMs.

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