Question about JVC AV-27720 27" TV

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TV suddenly turned off. Will not come back on. Makes "clicking" noise

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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.

Posted on Mar 28, 2015

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  • JVC Master
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You are likely hearing a protective relay connecting/disconnecting the AC in.
Often caused by a shorted horizontal output (flyback) transistor and also can indicate that the transformer (flyback) that produces the high voltage and horizontal drive signal has died.

Parts for CRT sets are becoming harder to find, you might consider replacing your set at this point.

Posted on Mar 27, 2015

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