Arcade monitor color looks wrong!!! please help

noname707

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Just picked up an Altered Beast Arcade machine. It turns on but the picture on the monitor looks inverted or something. Colors are all wrong. Where the you would normally see the charactor it's just white with a slight outline of the guy and the creatures coming at you. The ground is colored and detailed. the sky is just blue with no detail. Could this be a sinc issue or a PCB problem? no really sure on this one, I have never had much luck with Sega machines. Any help would be greatly appreciated.
 
Just to be sure, check the wiring to the monitor... Should start with Red, Green, Blue, etc... It might be possible that someone mixed up the wires, make sure that it is correct.

What is the make/model of the monitor?

Have you tried adjusting the color pots on the neckboard of the tube?
 
Sometimes people swap monitors with something out of a Ninetendo cab, and those have a different sync than most and will show colors in reverse without an add on board to correct it.
 
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