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and call the CRT 0.01 uF. Meanwhile, the charge on the CRT can be 25 to 30 KV on a modern color CRT so we can calculate 6.25 to 9.00 Joules based on our SWAG about the capacitance. Having been on the receiving end of a 17KV discharge from an old B/W CRT (never grab the 1B3GT by the bottom; you might
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CRT TVs known as tube TVs were popular around the world in general until the end of the 2000s because until the end of the 2000s in several countries CRT TVs were still selling a lot in stores because there was still great demand. They only began to be replaced slowly since the mid-2000s but were
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or TV contains an average of 8 pounds (3.6 kg) of lead. According to another source, the lead in glass of a CRT varies from 1.08 lb to 11.28 lb, depending on screen size and type, but the lead is in the form of "stable and immobile" lead oxide mixed into the glass. It is claimed that the lead can
427:"...children should even be encouraged to do this so that they may see the immediate and dramatic effect of a magnetic field on moving charged particles, provided they are informed to never do the same with a color tube."
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have long-term negative effects on the environment if dumped as landfill. However, the glass envelope can be recycled at suitably equipped facilities. Other portions of the receiver may be subject to disposal as
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which are still accepting donated TVs have reported significant increases in good-condition working used television receivers abandoned by viewers who often expect them not to work after digital transition.
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The line "CRT is a triode. More complex CRTs contain greater numbers of electrodes. " was deleted. Primarily, this makes no sense logically, and also, triodes were mentioned later.
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contact the HT pins!), I say that sounds like it's in the right ballpark. The shock wasn't too bad, but I really hurt my elbow when it smashed into the wall behind the TV set.
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For some snazzy illustrations, check out the danish article (language: "Dansk") on the subject: I just rendered some "cut-away" images of various CRTs...
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as CRT to flat-panel transition is separable from the transition from analog to digital transmission. I'll try to return and work this material into
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number of studies have demonstrated that the neck and funnel glasses of CRT are hazardous wastes, while the panel glass exhibits little toxicity.
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CRT TVs were popular until the late 2000s Beyond the United States and the last commercials for new CRT TV models were between 2007 and 2008.
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since someones mentioned not messing with a CRT, should it be mentioned that one should short the large capacitors to avoid a shock
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have refused to accept working color television receivers for resale due to the increasing costs of disposing of unsold TVs. Those
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at the time. There may be suggestions below for improving the article. Once these issues have been addressed, the article can be
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on
Knowledge (XXG). If you would like to participate, you can choose to edit the article attached to this page, or visit the
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JOHNNY (THINKS): Gee, that's great! If I mess up our crappy old TV Dad'll have to get a new one!
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Meanwhile, ] asks about how many joules are stored. Well, Joules = KV^2 * uF, so lets take a
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These high voltages can persist long after the device containg the CRT has been switched off.
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only completely replaced in the early 2010s when they lost popularity worldwide in general.
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TEACHER: So remember, kids, never put a magnet near your TV or you'll mess up the screen.
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343:, and providing warnings is better than providing "how-to" details: where do you stop?
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204:, where you can join the project and see a list of open tasks. Leave messages at the
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has a color TV and a huge magnet set up for just this sort of playing around.
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Local restrictions on disposal of these materials vary widely; in some cases
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but if anyone else wants to take this on before I get to it, have at it! ~
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646:"Management of CRT glass from discarded computer monitors and TV sets"
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Knowledge (XXG):Redirects for discussion/Log/2023 August 31 § (CRT)
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Many people throwing out perfectly good TVs over digital confusion
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I wonder if *THAT* is what happened to my crappy old 13" TV? :)
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http://commons.wikimedia.org/Image:CRT_oscilloscope.png
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610:"Lead in Cathode Ray Tubes (CRTs) Information Sheet**"
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http://commons.wikimedia.org/Image:CRT_monochrome.png
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CRT illustrations made especially for
Knowledge (XXG)
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Knowledge (XXG) level-4 vital articles in
Technology
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to determine whether its use and function meets the
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of the decision if they believe there was a mistake.
368:Sounds good to me, welcome to Knowledge (XXG). --
398:http://commons.wikimedia.org/Image:CRT_color.png
341:shouldn't be opening the box in the first place
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314:when more than 5 sections are present.
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802:B-Class vital articles in Technology
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551:According to one campaign group, a
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619:. 2001-11-30. p. 1. Archived from
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617:Electronic Industries Alliance
37:nominee, but did not meet the
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709:What To Do With Your Old TV's
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381:Hi - danish wikipedian here.
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