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Technology Computing, programming, science, electronics, telecommunications, etc. |
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#1 |
Your Bartender
Join Date: Jan 2002
Location: Philly Burbs, PA
Posts: 7,651
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TV advice
Check out this picture of our TV.
It's a 1993 26" Magnavox. I was hoping to get another year or so out of it. The purple and green discolorations appeared today. It turns out our son rubbed his chatter stones--relatively strong magnets--up against it (why? I've given up asking why the kid does anything) and that's when the colors appeared. The question is, are these likely to go away? Or are we stuck with them till we decide to replace the set? |
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#2 |
Professor
Join Date: Dec 2006
Posts: 1,555
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You mean you haven't upgraded to HDTV YET?!!!? GET WITH THE TIMES!!!!
Haha, jk. Sarcasm...But I'd scrap it though... |
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#3 |
still says videotape
Join Date: Feb 2001
Posts: 26,813
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__________________
If you would only recognize that life is hard, things would be so much easier for you. - Louis D. Brandeis |
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#4 |
in a mood, not cupcake
Join Date: Jun 2005
Location: Philadelphia
Posts: 3,034
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We have a TV with one of those purple discolorations, caused by a surround-sound speaker (apparently they are magnetic, too). It's faded a little over the last few years, but not that much. Lucky for us, though, it's in the far left corner of the screen, so it's been tolerable.
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#5 |
Your Bartender
Join Date: Jan 2002
Location: Philly Burbs, PA
Posts: 7,651
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Wow, how big was the speaker? I wouldn't have thought one of the smaller "side" speakers would do that. (A subwoofer, sure.)
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#6 |
Radical Centrist
Join Date: Jan 2001
Location: Cottage of Prussia
Posts: 31,423
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Search on ebay for "tv degausser". The problem can apparently be solved for $15.
And then send it to me, I think Jacquelita's TV could be helped by this and any CRT style TV actually |
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#7 |
in a mood, not cupcake
Join Date: Jun 2005
Location: Philadelphia
Posts: 3,034
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It was one of the really small side speakers! It wasn't even sitting right on the TV, just close by on a shelf. But it was there for a while before the effect started happening.
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#8 |
When Do I Get Virtual Unreality?
Join Date: Dec 2002
Location: Raytown, Missouri
Posts: 12,719
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Modern color TV's are self-degaussing (and by modern, I mean like less than 20 years old at this point), I believe, but this is not to say that the much stronger degausser of days past might not put this to rights.
SD...were you prepared to select the NASCAR ride-along thing, there? I watched some of the qualifying for Daytona yesterday, and am actually going to watch the race from beginning to end on Sunday. I'm not a huge NASCAR fan, but watching Daytona in hi-def, 16 x 9 on my plasma screen should be pretty fun.
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"To those of you who are wearing ties, I think my dad would appreciate it if you took them off." - Robert Moog |
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#9 | |
Your Bartender
Join Date: Jan 2002
Location: Philly Burbs, PA
Posts: 7,651
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Quote:
Thanks, I will check out degaussers. (It's not impossibile we have one at work in our media center somewhere.) |
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#10 | |
The future is unwritten
Join Date: Oct 2002
Posts: 71,105
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Quote:
I doubt if, Dad's gonna be pissed but the screen's already fucked, entered into it. ![]()
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The descent of man ~ Nixon, Friedman, Reagan, Trump. |
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#11 |
Snowflake
Join Date: Mar 2006
Location: Dystopia
Posts: 13,136
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Any speaker, any size, placed anywhere near a TV should be magnetically shielded.
I hadn't heard of a "tv degausser"- that's pretty cool. I'm sure I know somebody who needs one of those. note to self: child-proofing, magnetic objects
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****************** There's a level of facility that everyone needs to accomplish, and from there it's a matter of deciding for yourself how important ultra-facility is to your expression. ... I found, like Joseph Campbell said, if you just follow whatever gives you a little joy or excitement or awe, then you're on the right track. . . . . . . . . . . . . . . . . . . . . . . . . . . Terry Bozzio |
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#12 |
Your Bartender
Join Date: Jan 2002
Location: Philly Burbs, PA
Posts: 7,651
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#13 |
Makes some feel uncomfortable
Join Date: Dec 2005
Posts: 10,346
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Stereo speakers did it to my TV. The repairman came out and waved a loop of wire in front of the tv screen. The picture looked like it was "pulled" toward the orientation of the loop. Then he moved the loop away, and the picture was back to normal. I always thought that the loop was a very crooked magic wand, but maybe it was magnetized, or was a degausser.
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#14 | |
Goon Squad Leader
Join Date: Nov 2004
Location: Seattle
Posts: 27,063
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Quote:
Better still, I can tell you how to fix this. It will cost you nothing (you may express your gratitude at the cellar's tip jar, if you wish) and it will take... ten minutes. Ready? Got a pencil and paper? Good. Go collect your son's chatter stones. Get some duct tape. Get a drill, cordless or corded, your choice. A drill bit or bit driver, approx 1/4 to 1/2 inch in diameter. Chuck the bit into the drill, leaving slightly less drill exposed than the length of the magnets. Or just chuck it all the way in and proceed. Now place the chatter stones alongside the drill/bit. Let them extend beyond the tip of the drill/bit. Tape them *securely* to the bit. Aim the drill at the screen placing the magnets as close to the glass as you can get without taking a chance at touching it and fire 'em up! Stir until smooth. The spinning magnets move the electromagnetically sensitive phosphorous particles on the inside of the tube around so fast that they get redistributed evenly, producing your normal picture again. Oh, the screen will look crazy while you're operating the magnet-drill. Be sure that you pull the tool away from the screen while it's still running. Don't stop it running while it's close enough to affect the screen--that's how you got this symptom in the first place. Don't believe me? Here's where I got the tip. Plus, I did it myself on my own tv. Both parts, the magnetic smearing and the magnetic smoothing.
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Be Just and Fear Not. |
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#15 |
Your Bartender
Join Date: Jan 2002
Location: Philly Burbs, PA
Posts: 7,651
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That sounds cool! I almost want to try it even though the problem has now disappeared.
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