Question about Sanyo DS31520 31" TV
My tv makes a real high pitched squeal when on. If I mess with the cable connector on the back of the tv in gets better and sometimes goes away. Im guessing its a loose connection How can I fix it?
The noise is coming from the fly-back transformer. By moving the cable connector you move the main board. Unplug the TV and remove the back. The transformer has a red wire going to a rubber cup at the top of the picture tube. Looking at the transformer you will see a dough nut shape with a metal piece going through it .. Drive some tooth picks between the dough nut and the metal core. That should reduce or stop the ringing.
Posted on Apr 21, 2008
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Posted on Jan 02, 2017
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