NeoGeofunster
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I just got this JAMMA board, and I hooked it up to my supergun and got it working, but I keep getting a scrambled video image. I'd appreciate any help.
Scrambled Image on a JAMMA board
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ttooddddyy
PNG FTW,
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A piccy might help.
As a matter of interest what board is it ?
As a matter of interest what board is it ?
NeoGeofunster
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Sorry don't have a camera. It's the 100 in 1 Vertical Games from Cosmicco.
ttooddddyy
PNG FTW,
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Was the board purchased as "working"
Jumbled gfx may well be corrupted data in a gfx rom.
You may be able to program a new set from the mame dump (assuming its emulated)
Jumbled gfx may well be corrupted data in a gfx rom.
You may be able to program a new set from the mame dump (assuming its emulated)
NeoGeofunster
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It didn't say it wasn't working. Are you saying there's something wrong with it? All this time I just thought there some switch/knob or whatever that I need to figure out to adjust so the image comes out fine.
ttooddddyy
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Assuming nothing at the moment. Trying to establish if its a problem with sync or hor/vert hold of your monitor or TV. Its difficult without an image.
NeoGeofunster
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Well You know it works but the image is scrambled. I actually just checked my email and this was the reply
100 in 1 will have attached photo around 15 second and wait more 10 second will be normal.
It seems like I am supposed to wait. But I even let it sit there for a few minutes and it's still the same.
100 in 1 will have attached photo around 15 second and wait more 10 second will be normal.
It seems like I am supposed to wait. But I even let it sit there for a few minutes and it's still the same.
doggydodomi
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Voltage and Amp too low??
I have a 100 in 1 too. Using the PSU(small taiwan made) in my cab, I have the same problem as you but once I switch to PC 200W PSU..it work
I have a 100 in 1 too. Using the PSU(small taiwan made) in my cab, I have the same problem as you but once I switch to PC 200W PSU..it work
NeoGeofunster
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doggydodomi said:Voltage and Amp too low??
I have a 100 in 1 too. Using the PSU(small taiwan made) in my cab, I have the same problem as you but once I switch to PC 200W PSU..it work
So are you saying I have to change the power cord of my supergun?? Because there is also the power cord of the board?
Gummy Bear
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NeoGeofunster said:
There shouldn't be.
If it's JAMMA, it'll be powered by your supergun.
doggydodomi doesn't mean the power cord, he means the actual PSU for your supergun.
NeoGeofunster
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So I gotto open my supergun and change that then!!! Will it be a plug-in just like a PC power cord when I do open it up??
Gummy Bear
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NeoGeofunster said:
Unknown.
What supergun is it? Is it a home made one?
It's possible that it will be running on a PC PSU or it could be using a proper arcade one.
Either way, it won't be difficult.
Last edited:
Gummy Bear
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NeoGeofunster said:
We are getting ahead of ourselves though.
We don't actually know if it is the power supply that's at fault.
I am only really familiar with Neo MVS boards, not sure what the fault could be in this case.
Gummy Bear
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racecar said:
Again.
NeoGeofunster
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Well apparently the image comes out well on an arcade cabinet. So there seems to be an image problem on a TV. I still want to play this on my supergun on the TV. Is there anything I can do or get so I can fix the image on the TV?
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Have a lood at this thread, maybe it will help.
http://www.neo-geo.com/forums/showthread.php?t=132115
Raz
http://www.neo-geo.com/forums/showthread.php?t=132115
Raz
NeoGeofunster
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Razoola said:
Thanks. I was also told that an RGB TO NTSC convertor will solve the problem. Is this true? Will it be able to output a clear image on the TV if I get one of those?