pacman plus help

boilerman

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I have a pac plus that is giving me trouble. the screen is scambled like the picture of the ms pac in this thread
http://forums.arcade-museum.com/showthread.php?t=100994
at first it only happened once in a while now it is always scambled.
the test switch doen't do anything, I reseated all the chips and put in new fuse blocks
but no good
I think from what i read that the main problem is the 4112 chips i think there is 6 of them. if I get 6 from bob roberts a swap them out do you think that will fix it or should I go in another direction
thank
 
Last edited:
here is a better picture of what the screen looks like
 

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I would like to convert this back to pacman so /I can put in the 96-1
I need the roms and a z80 but haven't gotten around to looking for them
anyone have these let me know a price
thanks
 
i checked the ribbon cable and is secured good. Reseat the roms in row 6 and found 6f hard as hell to get out it was stuck managed to get it out and put them back in........
it booted up fine but no sound shut down and pressed all roms a little more and we have sound

thanks

now all i need to to is get this thing converted back to pacman and install the 96-1 and it will be golden
 
i checked the ribbon cable and is secured good. Reseat the roms in row 6 and found 6f hard as hell to get out it was stuck managed to get it out and put them back in........
it booted up fine but no sound shut down and pressed all roms a little more and we have sound

thanks

now all i need to to is get this thing converted back to pacman and install the 96-1 and it will be golden

As FF said, you should PM Riptor... FF had to do the same thing to convert a Pac Plus back to make it a 96-in-1.
 
Sorry for the delay, had to run up to Baltimore today to help my brother move.
I sent you a PM but will say it again here. You just need to swap out the color proms and you will need a Z80 to install on the 96-1 board. No sense in converting back to pac completely since you would be pulling the roms and chucking them anyways.
I can hook you up with the Z80 and color proms you need. The proms will be used originals but will be tested prior to shipping. One of these days I will get around to getting the adapter to burn proms.
 
I would like to convert this back to pacman so /I can put in the 96-1
I need the roms and a z80 but haven't gotten around to looking for them
anyone have these let me know a price
thanks

If you're putting in the 96-1 (or 6Pac, or just about any other kit), you don't need the ROMs... you will need the correct color proms.
 
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