My hisense 50 inch lcd tv has picture but no sound.

From Best Buy's site I found this 50" 4k HiSense TV

http://www.bestbuy.com/site/hisense-50-class-49-5-diag--led-2160p-smart-4k-ultra-hd-tv-with-high-dynamic-range-black/4982500.p?skuId=4982500

With the following dimensions listed:

• Product Height With Stand 27.7 inches
• Product Depth With Stand 9.7 inches
• Product Height Without Stand 25.6 inches
• Product Depth Without Stand 3.3 inches
• Product Weight With Stand 28.2 pounds
• Product Weight Without Stand 27.6 pounds
• Width 44.1 inches

LCD & LED TV Repair - No Image & Blank Black ... - YouTube

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Hisense 50K360G has audio no video will not turn on logo ...

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53 HISENSE complaints and reviews @ Pixxed Consumer

hisense.pissedconsumer.com/

It all depends what has led up to the problem, however if there has
been no indication of something going wrong,ie. picture getting dimmer, the most common fix is to reset.
First just check all cables are firmly connected. If that does not work then....
Unplug tv, disconnect from cable box, satellite box, any receivers.
Also turn power off to them as well.
Connect everything back and turn on.

Here is a video of other generic problems that can go wrong on any
tv that leads to sound with no picture.
TV Has Sound But No Picture Troubleshooting Guide

In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Hi,
here's the spec's for the 50" Model, it shows a headphone output and it will certainly be a 3.5 Jack: HISENSE LTDN50K321UWTS 50 inch 4K Ultra HD Smart LED TV Freeview

Sounds like either the CCFL tube (like a mini florescent tube) or the inverter that powers it has blown.

I phoned the help line at Hisense, they stepped through the set-up - its all good now

Hav 50 inch lg no pic but got sound wtf how do i fix it an there r 5 flashes b4 green light stayes on at the start

It sounds like it's the inverter panel which lites the lcd back light.
If it's under warranty, try to replace it, or take it in for svc.

my 50 inch vizio plasma bulb went out...still turns on with sound ..but no picture...help