[TechAssist] Re: Magnavox Ch25Y1 Yoke Noise


 I have found most of these have loose trim magnets inside the plastic 
housing. To find which part of the yoke is rattling, remove it off the crt 
and turn the set on. Be sure to keep the crt socket off. You can shoot a dab 
of RTV sealant into the molded pocket holding the magnet piece. Make a hole 
in the housing if necessary, usually on the inside seam at the large opening. 
A lot of times the yoke housing has become embrittled where the magnets are 
located. Common problem with Mags and some Panasonics.

Dominic DiLeo
Atlantic TV
Freeport, Maine
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Grady,
There are many things that you can try. This was a common problem with the 
older Magnavox. I have had some success with wedging ice cream sticks under 
the yoke, from the back. It's a trial and error process. Just try wedging a 
small stick under the back portion and see if you can make any difference in 
the vibration. If you can find the right spot, then wedge the stick in place 
and bond it with silicone seal.(hot glue will melt from the heat of the crt) 
You could also "pot" the yoke.(soak in varnish).

I have also replaced these yokes with yokes from other brand sets and they 
worked very well. BTW a 26 or 27" will work on a 25".

I hate to replace it with a new OEM yoke, because in a year or two the 
problem will usually return. Just lousy yokes.

Good luck and good hunting.

Paul W
C&W Electronics
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