Author Topic: Monitor issues with ArcadeVGA, J-Pac and Xp (Read 1523 times)

dirk · « **on:** September 22, 2006, 10:59:21 am »

Hi everyone,
I've got an ArcadeVGA in my PC which is then linked to a J-Pac (which the arcade machine is plugged into.)
I've installed the drivers but something is wrong. The picture quality isn't great, it is 'wavy' in loads of places:

Occasionally the bottom of the screen appears at the top:

MAME games are almost unplayable:

The monitor was fine when I bought it and the bloke plugged a JAMMA game in. What have I done wrong? (I know nothing about any of this!)
Thanks in advance!

SirPeale · « **Reply #1 on:** September 22, 2006, 07:45:23 pm »

Almost looks like a sync issue, have you tried adjusting sync?

dirk · « **Reply #2 on:** September 23, 2006, 05:02:38 am »

No, how do I do that?

richms · « **Reply #3 on:** September 23, 2006, 06:06:12 am »

With the distortion changing with brightness of the lines its on, it could also be a grounding issue between the vidoe card and the monitor. check that is connected well and that its not trying to rely on the chassis ground for a video ground.

dirk · « **Reply #4 on:** September 23, 2006, 06:23:33 am »

Thanks. I'm totally new to this.
Do you mean check the video card in the PC or the J-Pac connection with the cabinet? Where's it best to put the J-Pac when it's connected?

grantspain · « **Reply #5 on:** September 23, 2006, 10:49:06 am »

looks like the wrong sinc signal

dirk · « **Reply #6 on:** September 23, 2006, 01:00:45 pm »

I'm really grateful for all your advice. How's best to check/alter the sync?

wildfire123 · « **Reply #7 on:** September 28, 2006, 12:42:22 am »

are you using both kb ports of the j-pac? this happen to me if im only using one of the ports in the j-pac.

dirk · « **Reply #8 on:** September 28, 2006, 06:30:26 am »

Yeah, one of the ports is connected to the PC's keyboard socket and the other has a keyboard plugged into it.

wildfire123 · « **Reply #9 on:** September 28, 2006, 07:28:21 pm »

is ur jamma connector looking like this? where all the pins line up


Main	Restorations	Software	Audio/Jukebox/MP3	Everything Else	Buy/Sell/Trade
Project Announcements	Monitor/Video	GroovyMAME	Merit/JVL Touchscreen	Meet Up	Retail Vendors
Driving & Racing	Woodworking	Software Support Forums	Consoles	Project Arcade	Reviews
Automated Projects	Artwork	Frontend Support Forums	Pinball	Forum Discussion	Old Boards
Raspberry Pi & Dev Board	controls.dat	Linux	Miscellaneous Arcade	Wiki Discussion	Old Archives
Lightguns	Arcade1Up	Try the site in https mode		Site News


Unread posts \| New Replies \| Recent posts \| Rules \| Chatroom \| Wiki \| File Repository \| RSS \| Submit news

Author Topic: Monitor issues with ArcadeVGA, J-Pac and Xp (Read 1523 times)

dirk

Monitor issues with ArcadeVGA, J-Pac and Xp

SirPeale

Re: Monitor issues with ArcadeVGA, J-Pac and Xp

dirk

Re: Monitor issues with ArcadeVGA, J-Pac and Xp

richms

Re: Monitor issues with ArcadeVGA, J-Pac and Xp

dirk

Re: Monitor issues with ArcadeVGA, J-Pac and Xp

grantspain

Re: Monitor issues with ArcadeVGA, J-Pac and Xp

dirk

Re: Monitor issues with ArcadeVGA, J-Pac and Xp

wildfire123

Re: Monitor issues with ArcadeVGA, J-Pac and Xp

dirk

Re: Monitor issues with ArcadeVGA, J-Pac and Xp

wildfire123

Re: Monitor issues with ArcadeVGA, J-Pac and Xp