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My Sharp Aquos LC C5277 UN Had cable installed last week.

Customer Question
Hi, my Sharp Aquos LC...
Hi, my Sharp Aquos LC C5277 UN
Had cable installed last week. Since then the sound has been going on...off, high, low, intermittently. Don’t know if it’s a Equipment problem or ATT. I suspect it’s the TV. Any advice?
Gina
Submitted: 8 months ago.Category: TV
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Answered in 47 minutes by:
11/16/2017
TV Technician: Aric, Technician replied 8 months ago
Aric
Aric, Technician
Category: TV
Satisfied Customers: 47,524
Experience: 15+ years in the field. Owner of AV Installation, OEM and Repair company
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TV Technician: Aric, Technician replied 8 months ago

By far the most common cause of this problem, is a glitch in the cable box processing.

Please follow the steps below:

1) Shut the TV off, and then disconnect the cable/SAT box AND the TV from power (unplug their power cords).

2) If using an HDMI cable, disconnect and reconnect the HDMI cable on both ends when the cable box is unplugged from power (make sure it's secure on both ends).

3) Press and hold the power button on the TV itself (not the remote) for 10 full seconds while the set is unplugged, then release the power button.

4) Plug the cable box AND the TV back into power, then turn the TV on and attempt to watch a program.

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Customer reply replied 8 months ago
Ok, thank you so much. I will try that when I get home.
Gina
TV Technician: Aric, Technician replied 8 months ago

You're welcome!

This should restore the sound. However if it does not, then please try another source- such as a DVD player on the TV and see if that has sound. This tells us whether or not the TV, or the cable/SAT box itself is causing the problem.

If you need further assistance let me know. Before you go, PLEASE DO click at least a 3 STAR RATING, at the top of your screen. That is how I am credited for my efforts by the site. You can follow up any time as needed at no additional cost.

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TV Technician: Aric, Technician replied 8 months ago

You can follow up to the question at anytime- even once the service is rated.

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