Nanao MS8-26SU color issue

Candryko02

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Donor 2024-2025
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I have a Nanao MS8-26SU arcade monitor that is displaying colors incorrectly. The left side is missing green but it slowly shows more green on the right side and collects in the bottom right corner of the screen. Degaussing doesn't seem to do anything. Could this be a sign of a bad tube?
 
Have you tried physically rotating or moving the monitor/game to another location? Could be magnetic poles fuckery.
 
degcoil.JPG

Have you recently move the game or monitor? If so, move the cabinet and change it's orientation to see if the issue changes. If you recently changed the speakers, you might have magnetic interference if the new speaker is not shielded. I've also seen remote pots with a magnet on the back of the board. You might need a degaussing coil...watch a few Youtube videos. They are very simple to use.
 
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