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My LG model 42LH50 TV Picture freezes but sound continues. I don't know if its associated but it also powers itself off and back on occasionally.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: No picture, but power is on...

How many times does the POWER led blink per sec? (dont worry about the OPC)

2x = power supply (not as expensive to fix)
3x = Main board (expensive to fix)

Posted on Mar 14, 2008

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SOURCE: TV turned itself off, won't turn back on

I had the same issue with my 42HP95 after about two and a half years. Same symptom, red flashing power light, reset doesn't work and most of all, the last day of the Ryder Cup starts in 3 hours. Any other time (with exception of SuperBowl Sunday). I frantically searched the web for like symptoms and came across someone that posted the fix was to bypass the Seine Module but I had no clue what that was! So what do you do? Tear off the back of the TV and look for something that says Seine on it... Right! After that failed and 500 screws later, I decided to look for a Service Manual online. Nothing like RTFM (Google it!). I paid my $11.99 for a download Service-Manual.Net and found what appeared to be the Seine Module (SEIN). Through a little trial and error, here is what I came up with. The pic below shows the location of the said Module in the red rectangle.

78c6772.jpg I ultimately found that if I unplugged the connector from the module (in red circle) and put it in the cable management loop (other red circle), the TV would power on and has been working ever since.

b95521a.jpg
According to the post I read (grains of salt) the SEINE Module is only needed if you are using coaxial type (rabbit ear) antenna. I personally don't know but it works for me. Granted, this is my experience and may not work for you but for $12, I am a happy camper. BTW, what a Ryder Cup!!! USA USA USA!!!

Posted on Sep 22, 2008

  • 1 Answer

SOURCE: Sound but no image on my LG Plasma TV

Have sound but no imagen

Posted on Sep 30, 2008

  • 1 Answer

SOURCE: lg 42 inch tv, power but no picture and a high pitched sound.

My picture is making people look like cartoon characters, ral red like. then it may play for awhile normal

Posted on Oct 08, 2008

  • 1 Answer

SOURCE: Green light blinks but no sound no picture

Power surge will knock out picture and sound if you don't have a power strip. Found out from Best Buys when purchasing another LCD TV. They have a warrenty against such problems.

Posted on Feb 12, 2010

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1 Answer

How to fix/ trouble shoot a 2015ish LG LED 47" TV that plays sound but keeps losing the picture.


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

May 11, 2017 | LG Televison & Video

1 Answer

Philips TV freezes or turns on/off continuously


please check on mains chord and plug or even better the plug itself by connecting another lamp to see it flickers meaning something wrong with the AC line in.
1.either replace mains power chord
2. also see solder connections inside TV that is if you know something about mains take care to switch of mains and disconnecting main chord
happy hunting

Sep 12, 2015 | Philips Televison & Video

1 Answer

Freeze picture


hi this fault could be either software or main board problem

regards
shaun

Jan 25, 2014 | Toshiba 32AV502R LCD TV

1 Answer

LG LCD 42" sound but no picture


From this web site it says:
http://www.ehow.com/about_5379235_lg-television-problems.html
Powering Off
  • Many LG LCD television owners report having a problem with their televisions where the screen powers on, but then lasts only a few seconds or a few minutes before powering itself off again. The problem usually occurs with brand new televisions, and in this case is inside the television itself. If your television is powering off unexpectedly, contact LG so it can be serviced.


Read more: http://www.ehow.com/about_5379235_lg-television-problems.html#ixzz2qeK8T3SU

Jan 17, 2014 | LG 42LC2RR 42 in. HD-Ready LCD TV

1 Answer

No Picture now No Sound


main board faulty check tuner poss dry joints

Nov 22, 2012 | LG 37LC7D 37 in. LCD HDTV

1 Answer

My LG Plasma 42PC1DV turns on but freezes, the picture is frozen but the sound stays on...the it takes a long time for it to turn off. when you turn it back on the picture goes fro about 3 seconds and does...


hi wendy, I have the same model tv and it has been doing exactly the same problem you have ever since buying it (2007 - 08) and every time it does freeze it seems to be on channel 9. The only way i overcome this problem is to turn the tv off at the wall for atleast an hour and turn it back on and it seems to re-set itself or should i say the built in set top box re-sets itself and it works fine for a few months and bang it does it again. Apparently there is a LG software update but only technicians can install this. Anyway thats my story! :)

Aug 11, 2010 | LG Televison & Video

1 Answer

I have a LG PC1DV Plazma and every now and then the picture will freeze, the sound continues on and you cannot change channels. the only way to un freeze is to turn off tv wait 30 sec then turn back on and...


Contact your LG dealer & have someone call to check the software version currently used by the TV. It may need updated as there is an issue for picture freeze, if this is ok there could be a problem with the signal strength of your signal, if this drops then it will also cause the picture to freeze, in which case you would need to have your aerial checked.

Dec 21, 2009 | LG Televison & Video

1 Answer

LG LCD Tv has sound but no picture only colour vertical lines. Can be fixed?


If your screen has a picture in the left corner with a small square with lines on it but still has sound...try this....

unplug your TV itself from the power source, then hold down the power button on the tv itself for 1 minute, then release.... Plug the tv back in and see if the issue is resolved. I just called LG customer support and a woman walked me through this process and it fixed the issue !!!! Hope this helps..

May 16, 2009 | Televison & Video

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