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**dskall** · 11-29-2021, 07:32 PM

I would start at power board. Sounds like shorted component causing the led driver to make noise. Need some pictures of boards.

11-29-2021, 07:32 PM	#2
dskall Badcaps Veteran Join Date: Oct 2016 City & State: Bakersfield ca. My Country: usa Line Voltage: 120VAC 60Hz I'm a: Knowledge Seeker Posts: 2,635	Re: TCL 75R615 has sound, no backlight I would start at power board. Sounds like shorted component causing the led driver to make noise. Need some pictures of boards. __________________ I assume no responsibility for any stupid suggestions I might post.