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HD-DAVE
Joined: 16 Feb 2007
Posts: 225
Location: Delta, BC
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| Posted: Tue Aug 27, 2013 7:25 pm Post subject: Mad-science uses for partially dead CRT TVs |
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Was reminiscing about tv repair with my brother the other day and remembered something cool and fun I used to do as a teenager , with partially dead TV sets - ones that still had a raster but maybe the tuner or sound had gone out. Basically what it boiled down to was disconnecting the deflection yoke, separating out the two wires each per vertical and horizontal coil, and .... drum roll...hooking them up to the L and R channels of a Stereo Amp / Reciever !
The end result is ... a giant Lissajous pattern generator !
I'm curious , has anyone else on the forum tried this in their past ???
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Tue Aug 27, 2013 7:54 pm Post subject: |
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YES!!! I wanted to do better, and get an amplitude modulator for each color, but didn't know enough in elementary school to get it done...
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CIR Engineering
Joined: 25 Aug 2008
Posts: 4269
Location: Chicago USA & Berlin Germany
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| Posted: Tue Aug 27, 2013 8:35 pm Post subject: |
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https://www.curtpalme.com/forum_archived/viewtopic.php@t=33691.html
McIntosh was in the game... but by design 
craigr
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Phone: 865-405-6892
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garyfritz
Joined: 08 Apr 2006
Posts: 12088
Location: Fort Collins, CO
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| Posted: Wed Aug 28, 2013 2:11 am Post subject: |
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Never did it with a TV, but I did it with an oscilloscope...
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