Question about LG RU-52SZ51D 52" Rear Projection HDTV-Ready Television

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LG rear projection TV picture freezes when turned on

Can't do anything with remote control - frozen picture on screen, no sound. Can't turn off without switching off at power point. When turned on, same problem again.

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Posted on Jan 12, 2009

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Hello have you got the model number thanks


Posted on Jan 11, 2009


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Posted on Jan 02, 2017

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No picture

  1. 1 Make sure the power cord is properly plugged into a wall outlet if your TV is not powering on.
  2. 2 Make sure the video and audio cables connecting your TV to external devices are secure if you are experiencing a fuzzy picture or no picture.
  3. 3 Reset the parental password if you forgot the password and are unable to view certain programs. To do this, click "Menu" on your remote control and use the arrow keys to select "Parental Controls." Enter the master password, which is "4357" to reset the password.
  4. 4 Turn off the caption vision option if you are seeing a large black box on your screen. To do this, click the "Menu" button and select "Setup." Select "Caption vision" and press the "Plus" button on your controller to set the option to "Off."
  5. 5 Check the "TV/Video" setting if you're not getting a picture on your screen. You may have inadvertently selected a video input that isn't active. Press the "TV/Video" button on your remote to cycle through video inputs.
  6. 6 Alter the brightness settings if you are experiencing a poor picture or no picture. To do this, press "Menu" and select "Video." Increase the brightness settings to see if the picture begins to appear.
  7. 7 Make sure the volume is not muted if you are experiencing a clear picture but no sound. Press the "Mute" button on the remote control to turn mute on and off.
  8. 8 Power cycle your Sony Wega if it's frozen or not responding to your remote control. Unplug the power cord and wait a few seconds. Plug the power cord back in.

Dec 02, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Screen is frozen on with no picture and no sound. Does not respond to either remote control or manual controls. The tv did work and then after a few minutes went frozen.

You need to move further south if it is frozen. It's cold up north :-)

If you've pulled the power from this tv (power cycled it) and it still has this problem ... frozen with no picture and no sound. How a screen can be frozen with no picture, I'm not sure. But it sounds like you are going to be on your way to the repair shop. Or to buy a new tv.

If I couldn't see and couldn't hear, how would I know you were even here?

Nov 22, 2009 | Philips 32PFL5403D/27 32 in. LCD TV

1 Answer

Picture is frozen but the sound is working.


I'll think that your TV has the child-lock (parental control) switch on.
You can change that in the menu.
I'll hope this works out for you.

Kind regards,

Jan 11, 2009 | LG 42LC2D 42 in. LCD HDTV

1 Answer

Dvd frozen

any storms around? sounds like a power spike tanked it

Jul 26, 2017 | Sony RDR-HX727 160Gb DVD Recorder / HDD...

1 Answer

When switching T.V on, the sound works but without a picture

I personally dont think its the power supply, you're getting power, and I could be wrong, but it sounds like bulbs or modules that enable your "picture" is faulty. Check the owners manual for troubleshooting tips too, companies are making flat screens so fast nowadays that they install faulty parts and don't even realize it.

Nov 13, 2008 | Televison & Video

1 Answer

Cannot change channels in digital mode

Solution that worked for me:

Beware: Although the process should be safe, it technically voids your warranty.

Enter the service menu:
1 - turn of tv with remote
2 - press and release in the following order on the remote: Info, Menu, Mute. Make sure remote is pointing at the tv
3 - turn on the tv from the remote
4 - you will see the service menu. using the down arrow on the remote select the Reset option. Using the right arrow button at this point will do a hard reset.
5 - Wait a few seconds, turn TV on
6 - you will have to rescan analogue and digital channel but it should be working now.

Jan 29, 2008 | Samsung LE26R73BDX 26 in. HD-Ready LCD...

1 Answer

LG LST-5100P set top box. Several times a day have

cap-grant, my friend has the same problem with set top box. When I phone maker I was told it is due to poor and weak signal. You must have 80% signal strength to maintain good picture. When signal strength dropped picture would freeze and had to be turned off at the power point to restart as nothing would work. So I guess what my experience says is you may need better aerial to boost signal and prevent dropout Leonard210

Oct 05, 2007 | Televison & Video

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