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Louie
Louie, Technician
Category: TV
Satisfied Customers: 2557
Experience:  25+ yrs. experience in the field and 5+ yrs. online, down to component level.
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It does this no matter if you have inputs connected or not

Customer Question

It does this no matter if you have inputs connected or not the logic board is the exact same one that was in my set EBR76645101 REV1.5 The problem started as when the set had been on a couple hours if you tried to mute it went off or if you tried to raise or lower the volume it went off, then progressed to cutting its self off after an hour then 30 minutes now its only 5 or 6 minutes then turns off but comes back on its own after 10 minutes cool down.
Submitted: 1 year ago.
Category: TV
Expert:  Shahid replied 1 year ago.

Thanks for the info.

Is the logic control board looks similar as shown in below link?

http://assets.shopjimmy.com/media/catalog/product/cache/1/image/f8f28dc4a19c21aeb55ee5774693fb5d/s/h/shopjimmy-ebr75545101-top.jpg

Also, have you tried to upgrade TV firmware?