I purchased an ArcadeVGA 5000 and a J-PAC about a year ago for an Astro City MAME conversion. It has worked flawlessly till today. The video displays but its all jumbled up and scrolls. I know it is not my jamma harness or monitor as I tested it with a neogeo jamma board. I tested the ArcadeVGA as a normal video card and it displays just fine (i guess i should mention i only used the DVI on the normal computer monitor). Now the J-PAC...the SYNC-IN light stays lit orange and the test light flash about 3 times or more (it flashes really fast for me to count) and then stays lit. I disconnected the the control panel and then the monitor to see if the flashing stops and it does not. The SYNC-OK does not light at all. Everything worked perfectly before. Is it a possibility that the J-PAC went bad? Is it possible that the J-PAC went bad and wont display the correct output? It used to display the BIOS at boot but that too is garbled. I should also note that i put the ArcadeVGA in a different computer to make sure the motherboard for my MAME machine isn't causing an issue and its not.
Index 
Flat 
J-PAC / ArcadeVGA 5000
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