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Vizio VW42L HDTV. I lose audio and video after several minutes but the power light remains on. If I turn power off and on right away, the screen flashes and then nothing. If I wait awhile, I get audio and video for several minutes then the same thing happens. I looked at the power supply board and it doesn't look like any of the caps are bulging.

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Please replace power supply board that seems defective and causing problem.
Required board would be available in shopjimmy.com
Thanks.

Posted on May 22, 2011

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Posted on Jan 02, 2017

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http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
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