Question about LG 42LD450 42 in TV

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Lg 42ld450 is not turning on. It keeps flashing "red" in what appears to be the power saving mode. Any ideas??

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The power board or power supply could be the likely cause of the problem. Have that checked out.

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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2 Answers

Why wont my tv turn on it flashes green for a second then goes back to red


Could be power supply failure. It tries to start, but can't.

May 03, 2016 | LG 42LD450 42 in TV

1 Answer

Have LG 42LD450-UA lcd tv that has no picture or sound. When plugged in the red power light comes on but when it's turned on the red light flashes very slowly continuously. Thanks in advance


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details of many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.

Nov 13, 2015 | LG Televison & Video

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LG tv is in protection mode, I guess. Can get it to work sometimes for a few hours, but always turns itself off and power light blinks red after that


Hello People, I have today took the back off from my LG 42LD450 TV. I had problem like screen goes from picture to like white or green lines. The tv has no functions then auto shuts off with red blinking light. I was concern and I notice my main power supply cord. The several gray little cords bind together are badly chewed. plus a black cord that is chew too. a more thicker cord. I indicated that if I replace these wires, perhaps my tv will start working correctly.. Yes we have little mice issue and this tv sucks cause there a small space were the stand goes at. can't close it either. Here's some pictures I took. sorry if blur. battery was low at the time. couldn't get flash or phone to focus.
20170522_214340 copy-n1wp1d2yjqbukp0mguo5hfo5-3-2.jpg

20170522_212905 copy-n1wp1d2yjqbukp0mguo5hfo5-3-5.jpg Anyways I would try to look at these wires if you are having same issue.. I found the gray wire only cost $25. So I'm guessing the larger wire be around $25 or $30+ I hope this helps anyone that having this issue. Good luck and hopefully good luck to me.

Jun 11, 2012 | LG 42LD450 42 in TV

1 Answer

Lg 1752s goes into power saving mode when pc is turned on


Hello Alan,

That is actually not power saving mode, the flashing power light indicates the power supply is not starting up correctly and keeps shutting down and trying again. This is a very common symptom of a failure of the capacitors on the power supply board. The L1752s uses the AIP0157 power supply board which is the same board the is used in several LG monitors such as the L196WTQ and L194WT. Here is a link to a repair guide for the L196WTQ that shows what capacitors to look for and replace on the power supply board to bring the unit back to life.

http://www.ccl-la.com/blog/index.php/lg-l196wtq-bf-lcd-monitor-repair/

I hope this helps, if so please rate my solution.
BuddyMc

May 15, 2012 | LG L1915S 19" LCD Monitor

2 Answers

I have a LG 42LD450 LCD TV. Problem is I can't power on the unit. I use the remote control to power on the TV but the red power light turn on and then dim and then on again. Thanks


you have a problem in the in built SMPS which can not provides sufficient power to your LCD and you got problem replace your SMPS or repair it , ithink replacing is best idea for it

Feb 16, 2011 | LG 42LC2D 42 in. LCD HDTV

1 Answer

Where is the power button on my 42ld450 or can it only be turned off by remote


looking at the tv, right side, first button at the bottom!

Aug 03, 2010 | LG 42LD450 42 in TV

2 Answers

LG Flatron L177WSB-how would I use my newly purchased unit after switching it on, LG logo appears followed by the Power Saving Mode it all goes black on the screen.


Hi, the Power Saving Mode, turns the screen off to conserve energy. On the remote, press Menu, and scan to Power Saving Mode. You can change the amount of time, when the Screen turn-off, the TV shut-off etc. You can set the time to (5 min) to, (never, turn-off). This should help with your problem. Thanks paul7of9

Jan 14, 2010 | LG Flatron L1750S 17" LCD Monitor

1 Answer

Power saving mode


Prevent the laptop/desktop monitor from going to power saving mode:

  • Click on Start | Control Panel | Power Options.
  • In the Power Option properties window, click on the Power Schemes Tab
  • Set the Turn off Monitor/ Turn off Hard Disks option when on Power (and also Battery for laptop users) to Never.
  • Now click on the Save as... button and assign a name to this power scheme... Let us call it 'Presentation' and then click on OK.
  • That's it congrats!
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    LG W1941S-PF keeps on going on to power saving mode


    Press the menu botton continuasly 35 second,if not then replace the menu botton,if not then go o the menu and disable the power saving mode..

    Jul 05, 2009 | Computers & Internet

    1 Answer

    LG Flatron - Power button flashing blue


    i get a similar thing, i accidently entered sleep mode then turned off my computer at the power button on the back, now i turn on my monitor( i dont get blue flasjhing but it jsut goes on and it doesnt register, then says going into power saving mode and the colour on the button turns yellow its very frustrating :(

    Apr 20, 2009 | Computers & Internet

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