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Mac SE/30 ripple artifact on right side of screen

ironhalo

Active member
After recapping the logic board on my SE/30 my video output is working again, but I’m noticing an intermittent ripple effect on the right side of the screen (video link below). It seems more prevelant during boot up (especially a cold boot), but I have noticed it occasionally later on as well.

Today I recapped my analog board and was hoping maybe that would take care of it, but it’s still there. Tomorrow I’m recapping the power supply, and if that doesn’t fix it I’ll definitely be in need of some guidance.

Does anyone recognize this as a common symptom with a typical set of likely causes?

Video:
 

Byrd

Well-known member
+ reflow the analogue board while you’re there, especially around the yoke connector
 

Johnnya101

Well-known member
I think that also could point to a bad ground, as in that one green wire coming from the power supply to the frame. You can try retightening it. Most likely the power supply though.
 

ironhalo

Active member
Success! I recapped the power supply, reflowed the yoke connector, and double checked all my grounds. Video ripple is now 100% gone. Thanks all.
 
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