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Jamma PCB/sync problems


RockFox

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Hello all! I have a Neo Geo Converstion that I have been working on for ages. First the monitor had problems which cost $125 to fix, now it appears as if the Sync on the PCB board may be bad.. does anyone(particularly in the Denver Metro Area) have a Jamma board I can borrow or even buy cheap so I can test this monitor and see if the repair actually worked?

 

Thanks everyone! :)

 

RockFox

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Before you go too far...

 

Try switching the sync wires around. Some monitors, esp. the older ones, only need 1 of the 2 syncs, and others like the syncs tied together. I would experiment. Also, I am assuming its a fairly new monitor, but.....

 

Make sure there is not a switch for positive or negative sync. I have seen those be culprit before...

 

 

HTH,

Cassidy

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