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- Path: sparky!uunet!cs.utexas.edu!rutgers!bobsbox.rent.com!s4mjs!kc2wz!bob
- From: bob@kc2wz.bubble.org (Bob Billson)
- Newsgroups: sci.electronics
- Subject: Re: T.V. and magnets, how to fix damage
- Message-ID: <227@kc2wz.bubble.org>
- Date: 22 Jan 93 05:27:48 GMT
- References: <2412@snap> <1993Jan16.213001.16847@vax5.cit.cornell.edu>
- Distribution: na
- Organization: Color Computer 3: Tandy's 'game' machine
- Lines: 27
-
- paj@uk.co.gec-mrc (Paul Johnson) says:
- >>I put my pair of car speakers (18 oz. magnets)
- >>on top of my t.v. for approximately an hour, and now half my
- >>screen is green!!
- >
- >Tee hee hee
-
- Not nice to laugh. :-)
-
- >>I need to know, is my t.v. permanently damaged, or does it just
- >>need to be "degaussed" (I'm not sure what that does...?) ???
- >>Will it go away? Will I have to junk my t.v.??
- >
- >You have magnetised the mask in your tube. This distorts the path of
- >the electrons from the gun to the phosphor, causing them to hit the
- >wrong colour of phosphor dot. Degaussing is the process of
- >demagnatising the mask. A degausser is basically a large
- >electromagnet with AC mains flowing through it. This generates an
- >alternating magnetic field which demagnetises things around it.
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Including floppy disks, hard disks, video/audio tapes if one isn't careful,
- no? :-)
- --
- Bob Billson, KC2WZ | internet: bob@kc2wz.bubble.org
- $nail: 21 Bates Way, Westfield, NJ 07090 | uucp: ...!uunet!kc2wz!bob
-
- "Professional ear piercing--while you wait!" --sign in local jewelry store
-