Sanyo 20EZ, inverted "colors"

Mikes2nd

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So I have a Nintendo 20EZ I have put into my Crazy Climber Deluxe, everything is great, its facing the right direction... BUT

My blacks are whites... the colors are inverted? the nintendo "inverter" board inverts the colors?
 
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change it to invert out.
there are two sets of headers side by side on the inverter board.
swap it to the other one. and make sure you have the power connected to the inverter board.

Peace
Buffett
 
Yeah I tried that.

I put 5 volts on the board.

But I think since I changed the wiring, I need to change the inverter wiring..
 
are you using the power that comes off the monitor to power the inverter or are you powering it from another source.

Peace
Buffett
 
I am using the 5 volts from near the power supply.

Should I be using the monitor?
 
Ideally yes. You will want to run the inverter board off the monitor chassis. I forgot the location on the chassis where this should be coming from...

However...when I bought my Mario that had Double Dragon running in it, the inverter board was powered by the switching power supply at 12VDC. It worked fine at 12VDC.

I believe the rating for the inverter board is 16VDC
 
parts side of the chassis R232 (witch is not populated) left side closest side to the degauss coil headers. same pad that R238/239 solder to there should be an extra hole in the pad for it. you will have to remove the solder to get the wire in.

here.jpg


Peace
Buffett
 
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having the same issue on a sanyo 14AWZ monitor any mods or way to fix this just black and white are inverted
 
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