How to fix a LG TV Model# OLED65C8AUA with a black screen and no volume?

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/

Please turn the closed caption off. you are on text 1 mode.

Black square on the screen Vizio Gallevia 47" 1080p - Fixya

www.fixya.com/support/t355299-black_square_screen_vizio_gallevia_47

Jan 16, 2008 - Black square sized app. 10"x10" pops up on the bottom right corner of the screen and won't go away. .... Model 42LG70. Why is nothing on screen except for horizontal green and pink pixel line? I am looking at replacing the ...

bad screens display vertical lines with a white background ...

https://www.ifixit.com/.../bad+screens+display+vertical+lines+with+...

iFixitJun 17, 2014 - I am now replacing a screen on a different G2 and I am on the secondscreen. ... A touchscreen smartphone made by LG Released: 09/2013 Model: VS980..... on the rigth side, from the top to the botton has 6/7 black lines.Missing: 42lg70 ‎pixel

Broken LG LCD TV Capacitor Black Screen My Wont Turn ...

? 6:27
https://www.youtube.com/watch?v=EbGiXqBAvvo
Aug 25, 2010 - Uploaded by FixItUrselfDummy
Broken LG LCD TV Capacitor Black Screen My Wont Turn On ...How I fixed my LG TV, Won't turn on or show picture Model: LG42LC7D ...Missing: horizontal ‎pink ‎pixel ‎line

LG LCD TV REPAIR - NO PICTURE SCREEN FIX REVIEW ...

? 5:29
https://www.youtube.com/watch?v=PWoz_-3OHIM
Jan 25, 2013 - Uploaded by Tampatec
Common LG LCD TV REPAIR - NO PICTURE OR BLACK SCREEN FIX ... I have a LG 42PM4700-UB plasma tv that justwent black. The red ... I had to keep turning on and off the TVseveral times for the screen to come back.

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

? 5:56
https://www.youtube.com/watch?v=xUzCLgoSPGM
Sep 15, 2014 - Uploaded by ShopJimmy.com
LED & LCD TV How to Diagnose Symptom of No Image on theScreen CLICK ... Tv was working fine when left to go to store and came back to blank picture and ... my samsung tv it turns on but its completely black and no sound at all ... LG LCD TV REPAIR - NO PICTURE SCREEN FIX REVIEW - Duration: ...

LG LED TV has no picture (black screen) but still sound ...

LG TV : Picture not coming on screen, but TV is on. - Forums - CNET

www.cnet.com > Forums > LG

CNETJul 14, 2014 - Dear All, Have a peculiar problem with my LG flat screen TV. It stopped working suddenly, that is no picture when switched on, I noticed the ... However, in my case the RED light keeps on blinking and there is a ticking sound ... LG Plasma Flat Panel 42PC3D - No picture just sound
Jun 11, 2015
No Picture from LG 50PS60 Plasma TV
Nov 16, 2013
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LG LCD TV REPAIR - NO PICTURE SCREEN FIX REVIEW ...

? 5:29
www.youtube.com/watch?v=PWoz_-3OHIM
Jan 25, 2013 - Uploaded by Tampatec Common LG LCD TV REPAIR - NO PICTURE OR BLACK SCREEN FIX ... came on good with green light working properlybut still no picture.

Sounds like corrupted firmware. Update the firmware with latest version and check. 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/

What is the last thing that happened before you noticed there was a problem?

Sounds like it's in a service burn-in mode. LGs need a service remote to de-activate. Probably easy for a local LG shop.

If your TV is connected to a VBOX, i other words you have virgin box connected to it, thats the problem. If you try and set your vbox remote to control volume of your tv it will go, or u can start configuring and abandon, will also get rid of it