All About Circuits Forum  

Go Back   All About Circuits Forum > Electronics Forums > The Projects Forum

Notices

The Projects Forum Working on an electronics project and would like some suggestions, help or critiques? If you would like to comment or assist others with their projects, this is the place to do it.

Reply   Post New Thread
 
Thread Tools Display Modes
  #1  
Old 08-25-2007, 05:33 AM
Atlantes Atlantes is offline
New Member
 
Join Date: Aug 2007
Posts: 1
Smile Building a tv degausser coil

I am about to build a tv degausser coil and I dont have an idea how to build it, can you help please. I need a diagram and or materials and instructions how to build it.
Reply With Quote
  #2  
Old 08-25-2007, 05:43 AM
beenthere's Avatar
beenthere beenthere is offline
Super Moderator
 
Join Date: Apr 2004
Location: Missouri, USA (GMT -6)
Posts: 12,954
Blog Entries: 10
Default

There is no magic to it. You just need to wind a few hundred turns of magnet wire (about 30 ga.) on a form about 10" across. It 's only going to operate for a few seconds at a time. Cover the wire coil with turns of electrical tape for safety, and use a inline switch to power it.

The technique is to fire up the coil at some distance from the CRT, with the plane of the coil at a right angle to the face of the CRT. While current flows, bring the coil close to and parallel with the CRT. Make a few circular sweeps across the face of the CRT, and withdraw the degaussing coil as far as you can before turning it off.
Reply With Quote
  #3  
Old 08-25-2007, 08:18 PM
techroomt techroomt is offline
Senior Member
 
Join Date: May 2004
Location: pennsylvania
Posts: 198
Default

just offering another technique, mr. beenthere. with tv on, while holding the coil parallel to the face, almost touching, start a circular motion covering the entire screen, turn on the coil power. continue the motion while gradually moving the coil away from the screen until the coil no longer has an effect. also, i believe you could make the coil out of a light gauge insulated wire as well.
Reply With Quote
  #4  
Old 08-26-2007, 01:24 AM
Gadget Gadget is offline
Senior Member
 
Join Date: Jan 2006
Location: Queenstown, New Zealand
Posts: 614
Send a message via MSN to Gadget
Default

No, turn on the coil while it is well away from the screen. The shock of turning it on while at the tube may actually magnetise or even buckle the shadow mask.
Reply With Quote
  #5  
Old 08-27-2007, 05:10 AM
mrmeval mrmeval is offline
Senior Member
 
Join Date: Jun 2006
Posts: 836
Default

Gadget has see a Zenith! *snicker*
Reply With Quote
Reply   Post New Thread

Bookmarks

Tags
, ,

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Power Dissipation Of A Coil Three Phase Homework Help 2 07-14-2007 01:07 PM
Motorcycle ignition coil tester help veryverydumb The Projects Forum 3 03-21-2007 10:22 PM
simple coil measurements richbrune General Electronics Chat 4 11-20-2006 02:52 PM
Coil or No Coil? nanobyte General Electronics Chat 4 02-04-2005 03:06 AM


All times are GMT. The time now is 10:21 PM.


User-posted content, unless source quoted, is licensed under a Creative Commons Public Domain License. Powered by vBulletin® Version 3.8.5
Copyright ©2000 - 2010, Jelsoft Enterprises Ltd.