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#Post#: 9124--------------------------------------------------
LG TV problem. (Black screen)
By: Dylanpumped Date: March 8, 2020, 12:49 pm
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Hi all,
I was watching my LG TV (42LN578V) earlier and the screen
suddenly went black. The audio is fine. There was no noise to
suggest something has blown, ie a 'popping' noise. I've tried
unplugging the TV for 10 minutes and powering it back on. The
red light below the LG logo on the bottom of the set flashes 3
times and the TV powers on (since I hear audio) but the screen
remains black. I've tried changing the HDMI cable but that
hasn't helped. I can change channels and hear audio but see only
a totally black screen. The TV is coming on 5 years old and I've
had no prior issues.
Any advice greatly appreciated.
Thanks in advance.
#Post#: 9126--------------------------------------------------
Re: LG TV problem. (Black screen)
By: dirtyvest Date: March 8, 2020, 2:28 pm
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Might be worth googling a factory reset. I saved myself a fair
bit when I found one for my panny a few years back. Just meant
powering off and on with a button combo
#Post#: 9127--------------------------------------------------
Re: LG TV problem. (Black screen)
By: Dylanpumped Date: March 8, 2020, 3:33 pm
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Thanks, mate, I'll try, but may be problematic since the screen
is blank so I can't access the menu functions etc
#Post#: 9130--------------------------------------------------
Re: LG TV problem. (Black screen)
By: doc Date: March 9, 2020, 4:39 am
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sounds like the backlight has gone or the supply to the
backlight ( served my time as a TV engineer) so thats where id
put my money , still follow a lot of TV repair stuff and still
fix my own occasionally if i've got the test equipment and
tools.
HTML https://www.youtube.com/watch?v=T2FboV-1PJg
bit more on diagnosis
HTML https://www.youtube.com/watch?v=Bf5T2wwtydY
Thats what I would try personally , but could be a massive
ballache and a waste of time
#Post#: 9132--------------------------------------------------
Re: LG TV problem. (Black screen)
By: dirtyvest Date: March 9, 2020, 5:05 am
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Mine didn't mean accessing a menu. A bit like you can clear
smart phones etc. It was a case of holding the power button
while also holding down the + button on volume and channel for
example (can't remember exactly) but it reset my TV and fixed
the problem, I can't even remember what that was now either tho.
#Post#: 9133--------------------------------------------------
Re: LG TV problem. (Black screen)
By: Dylanpumped Date: March 9, 2020, 5:42 am
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Cheers guys.
I'll look up means of resetting it.
Though I suspect doc is probably right.
Just checked the price of the never version of the same TV in
Argos and it's £250...
#Post#: 9135--------------------------------------------------
Re: LG TV problem. (Black screen)
By: dirtyvest Date: March 9, 2020, 6:34 am
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You can get some pretty decent TVs for very little money
nowadays. Unless you are a technonerd who can really appreciate
the difference and has a need for £1000s worth of picture and
colour wizardry most us wouldn't notice or care about the
difference. A quick google and you can check whether (even on
big brands) whether you are getting a generic or manufacturers
panel for a little piece of mind on value for money
#Post#: 9163--------------------------------------------------
Re: LG TV problem. (Black screen)
By: doc Date: March 9, 2020, 7:08 pm
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[quote author=dirtyvest link=topic=222.msg9135#msg9135
date=1583753684]
You can get some pretty decent TVs for very little money
nowadays. Unless you are a technonerd who can really appreciate
the difference and has a need for £1000s worth of picture and
colour wizardry most us wouldn't notice or care about the
difference. A quick google and you can check whether (even on
big brands) whether you are getting a generic or manufacturers
panel for a little piece of mind on value for money
[/quote]
99% of my viewing time is through a laptop screen , wouldn't pay
any extra for a super TV , especially since all the content is
over compressed crap.
#Post#: 9166--------------------------------------------------
Re: LG TV problem. (Black screen)
By: Dylanpumped Date: March 10, 2020, 7:20 am
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My parents had a 44 inch UHD Samsung they've not used for over a
year, so I managed to nab that.
Incidentally, I also found a local TV repair shop and the guy
quoted me around £30 to £50 to repair, so not bad really.
#Post#: 9186--------------------------------------------------
Re: LG TV problem. (Black screen)
By: doc Date: March 11, 2020, 3:04 am
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[quote author=Dylanpumped link=topic=222.msg9166#msg9166
date=1583842802]
My parents had a 44 inch UHD Samsung they've not used for over a
year, so I managed to nab that.
Incidentally, I also found a local TV repair shop and the guy
quoted me around £30 to £50 to repair, so not bad really.
[/quote]
considering the labour , that's a bargain ! I would get it
fixed , even if its a spare TV.
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