Battlezone cabaret w/ V2000 / : Bright center spot in monitor

Wahoobies

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Hi all,

I have a battlezone cabaret. When I first start the game there is a bright spot in the center of the monitor. I've adjusted the brightness and contrast, and after a few minutes it looks exactly right on test pattern and in game.

Bright spots on vector screens make me concerned for further burn-in risk - any ideas where I should start looking?

Screen shot- you can see a bit of extra Z brightness on the copyright here, though I'm puzzled why it's mostly local to the center. When I adjust the brightness contrast it's *everywhere* when it's too high

1755874059996.jpeg
 
A bad resistor or pot in a brightness circuit would lead to full brightness by memory

Got an ohmeter?
Careful with voltage (discharge with resistor needed etc) I'm guessing you already know that :)
Monitor turned off etc
 
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