I remember when I was a kid, we had a magnetic toy with a strong magnetic pull. We found that it would create these cool color effects on the TV. My dad caught me, and I got in trouble. Luckily, the colors went back to normal.
LOL I ruined my parent's TV in the mid 80s with a speaker magnet; one of them huge cabinet deals. I wish I had known all I had to do was flip the speaker around.
We took the degaussing coil out of a 34xbr wired a plug onto it at the tv store. Plug in, wave around the screen a few times, and pull it away before unplugging, always worked, unless the tube was borked anyway.
Back in 2005 when I was about 5 at the time, our family TV had developed those weird spots of color inaccuracy. They pretty much stayed there no matter what we did. I had found a magnet on the side of the road walking back from school and was using it to pick up everything around the house. Lo and behold when I took it towards the screen the discoloration started disappearing. I'm pretty sure most speakers have magnets in them so maybe this was a similar reason as to why it worked.
Could also be the Yoke assembly coming loose, if it's loose the monitor becomes discolored like that, the magnetic field was getting fixed because the magnet was returning back to it's original state, if the Yoke was fine, the monitor would get discolored.
I don't think it has anything to do with the amount of time the magnet is left on there as much as it has to do with the twisting action as by doing so you're basically re-aligning any stray magnetism left on the screen. Also doesn't matter which side you use. Be careful using a really strong magnet however as it can literally bend the grid inside the tube. I once permanently damaged a TV by holding a magnet right up to it too many times. The magnet on your speaker there has a magnetic shield which means it doesn't emit much of a magnetic field, in this case that's probably a good thing.
Actually it was a Midway arcade speaker, I was originally going to replace my arcade speaker with that one... but the magnet was pretty big and the light fixture was getting in the way so I just have it now... Maybe I'll build a cocktail table with the spare parts I have
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I remember when I was a kid, we had a magnetic toy with a strong magnetic pull. We found that it would create these cool color effects on the TV. My dad caught me, and I got in trouble. Luckily, the colors went back to normal.
Amazing tip. I often use a driller but definitely gonna try your method next time !
Yes. It works, but you need to be CAREFUL because the magnet can permanently damage the shadow mask of the tube.
Yes, this speaker has a magnet cover, this resist the magnet's power.
Nice. I need to get one of those large speaker magnets so I can try
Great!
LOL I ruined my parent's TV in the mid 80s with a speaker magnet; one of them huge cabinet deals. I wish I had known all I had to do was flip the speaker around.
We took the degaussing coil out of a 34xbr wired a plug onto it at the tv store. Plug in, wave around the screen a few times, and pull it away before unplugging, always worked, unless the tube was borked anyway.
Back in 2005 when I was about 5 at the time, our family TV had developed those weird spots of color inaccuracy. They pretty much stayed there no matter what we did. I had found a magnet on the side of the road walking back from school and was using it to pick up everything around the house. Lo and behold when I took it towards the screen the discoloration started disappearing. I'm pretty sure most speakers have magnets in them so maybe this was a similar reason as to why it worked.
Could also be the Yoke assembly coming loose, if it's loose the monitor becomes discolored like that, the magnetic field was getting fixed because the magnet was returning back to it's original state, if the Yoke was fine, the monitor would get discolored.
I don't work on arcades, but this was very interesting
I don't think it has anything to do with the amount of time the magnet is left on there as much as it has to do with the twisting action as by doing so you're basically re-aligning any stray magnetism left on the screen. Also doesn't matter which side you use. Be careful using a really strong magnet however as it can literally bend the grid inside the tube. I once permanently damaged a TV by holding a magnet right up to it too many times. The magnet on your speaker there has a magnetic shield which means it doesn't emit much of a magnetic field, in this case that's probably a good thing.
Yeah, I probably should've mentioned that... But that's why I said it's a pretty good way since the speaker has a magnet cover.
Interesting solution, what’s the name of the Janna board?
Arcadeshop Programmable PCB one of my favorite Jamma multi-pcb's
I used to have to do this to my computer screen, but I got it for free because it was rainbow.
Wow
That is a 6x9 car speaker
Actually it was a Midway arcade speaker, I was originally going to replace my arcade speaker with that one... but the magnet was pretty big and the light fixture was getting in the way so I just have it now... Maybe I'll build a cocktail table with the spare parts I have
Magnets
Yes, Magnets
How do they work!?