Question about LG Televison & Video

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I have a LG tv. Model number 49LB5550-UY. When we turn the tv on, you can see the picture but it flashes on and off. The tv doesn't actually turn off. The picture just flashes. Please help!

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  • LG Expert
  • 264 Answers

Please check out the LED back lights strips, some of them may be defective.

Posted on Apr 24, 2017

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Posted on Jan 02, 2017

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gopakumarg43
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SOURCE: I have a LG 49LB5550-UY TV that I am trying to diagnose. It has horizontal lines that pulse on and off for about 3 seconds or so. YouTube MAKY8B7XQyI

If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

Posted on Nov 24, 2016

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I have a LG 49LB5550-UY TV that I am trying to diagnose. It has horizontal lines that pulse on and off for about 3 seconds or so. YouTube MAKY8B7XQyI


If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

Nov 23, 2016 | LG Televison & Video

1 Answer

LG 32LM3400 turns on and light flashes three time but no picture


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://electro-medical.blogspot.com/

If blinks continue without any pause, the main board is faulty.

Jun 24, 2016 | LG 32LM3400 32" LED TV 1366x768, 100 Hz,...

1 Answer

The power lights flashes three times and the TV doesn't work


Three times flash to LG TVs denotes a fault with its main board. Contact any service technician. If you're sound in electronics, check this link. http://electronicshelponline.blogspot.com/ Blinking codes to many brand TVs are given in detail. Pull up older posts there, either by its left side bar, or see it in Timslide option.

Jun 23, 2013 | LG 47LG50 47 in. LCD HDTV

1 Answer

Sound doesn't work in HDMI mode, just picture. I tried buying a new HDMI cord but that didn't work either. Then one night the TV just turned off and now it won't turn back on.


Likely not related but HDMI does not like being connected if either unit is plugged in or powered up.

As to the TV let me know the brand and model number and what if any lights at all come on when you plug it in etc.

SD TECH

Dec 11, 2012 | LG 62SX4D 62" Television

1 Answer

The remote for my samsung ht-tx72 doesn't work even though the tv and dvd reciever lights on the remote work. It doesn't turn on my home theater system. Do I need to reprogram it?


Possibly. Maybe it's malfunctioning.

Read this procedure to possibly fix the remote:
http://remotes.com/remotes/servlet/rs?a=Display&contents=help_deadremote&uuid=A12963989782821
They also sell replacement remotes.
Zoom in on the picture of the original remote provided on the site (or look at your own) and get the actual remote model number.

or check eBay: search for "(model of the device or the remote) remote", check the 'include description' box. Usually cheaper than the vendors.

Sep 12, 2011 | Samsung HT-TX72 Theater System

1 Answer

Hello have a problem with tv Model is: lg


http://lgknowledgebase.com/kb/index.php?View=entry&EntryID=6281

The above link goes to lg's website describing the red flashing light where the power switch is, and

another switch down below which can turn that light off.

Try switching that other switch below off so the light turns off. Then, switch it back on.

If that doesn't work, then service should be scheduled for this discontinued model.

Hope this helps on your lg tv.

Jun 29, 2010 | Compaq Presario 5000 PC Desktop

2 Answers

Camera picture


Let me preface this by my expertise with Pelco Products.....I have been working for Pelco for over 8 years now......So I need to know what the model number of the camera in you DF5 dome is because that Dome Pack number is not a valid part number....Here is how that part number brakes down...the DF5 tells me its a DF5 Dome and the UY is the section of that part number that doesn’t make sense...its not a valid number it should be either a CA ,MA or CC and the 0V21A tells me that it has a smoked bubble with the 13VD2.8-12 vari-focal Auto iris lens...... On a different note we do not make a fixed camera that will fit in a DF5 Dome that can take up to 26-27VDC (Direct Current) So if you are using 26-27 VDC you might have damaged the camera try a 24VAC transformer instead.....Good Luck and the more information you can give to me about the camera that is in the Dome the better.....let me know if this helped..

cbinny1

May 02, 2008 | Pelco DF5UY 0V21A Domepak In Ceiling...

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