Question about LG 42LC2D 42 in. LCD HDTV

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Hi, my LCD tv keeps turning on and off again repeatedly

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Posted on Jul 11, 2010

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Suddenly turned off. Why won't it turn on again?


TV Appears To Turn Off By Itself

support-us.samsung.com/.../pop_troubleshooting_fr...

Samsung ElectronicsMar 12, 2013 - There are four cases in which your TV either turns itself off or appears to turn itself off. These cases are listed in the following table by category.

HELP! My LG LCD TV suddenly turn off by itself and ... - AVS Forum ...

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When i go to turn on my LG 50PG20D-AA plasma tv, the green power light turns on for a couple seconds, the LCD turns on, then flicks off again, it keeps repeating the process until you disconnect the power...


everyone is wrong here.

Disconnect the power from the mainboard the board down on the right hand side.

now short out the auto_gen with a peice of wire while tv unplugged.

after this process plug it in.
You should see a test pattern this will rule out Y-sus and Z-sus problems.

Problem will be main board.

Dec 28, 2012 | Televison & Video

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My Samsung LCD TV (40A450) 40 inch, when switch turn on after 2-5 second it turn off, no red light. when i remote to switch on then the red light is on and then press on again the lcd tv on after 2-5...


The capitors on the back might be bad this I have fixed on these tv's many times. That could be one of the problems and the capitors are on the power board inside the tv. If you do not know how to work on electronics I would have a pro do it they contain hight voltage so be careful if you try to fix it yourself.thanks

Oct 06, 2010 | Samsung LA40A450 40 in. LCD TV

1 Answer

Hi. I have a two-year old 56 inch HL-T5687S -- I have sound and picture, but then picture turns black and sound keeps playing . I turn off TV, wait a bit, and TV pic comes back on... then black after 2-15...


These problems are the cause by those 2 long LCD inverter boards are dying.These 2 long LCD inverter boards,help the LCD screen to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay,com to buy those 2 refurbishes long LCD inverter boards for the replacement.Replaced these 2 long LCD inverter boards,should solved ur problems,u having.

Sep 10, 2010 | Samsung HL-T5687S Television

1 Answer

Mitsubishi 65" LCD (1080P, DLP) keeps shutting down until it "warms up". After shutting down the power led flashes yellow for a minute or so, at which time I power it up again. This cycle repeats 1 to 4...


Try connecting the TV directly to a different wall outlet and check. If the issue persists, try power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue persists, then the TV may require service.

Jul 27, 2010 | Mitsubishi LT-40133 40 in. LCD HDTV

1 Answer

TV turns off while watching it then turns back on after abt 1 min


TV needs new lamp as symptom shows existing lamp is weak and causing repeatedly on-off
Please replace lamp in TV, replacement procedure is written in user manual and it is not difficult.
Always buy Sony original lamp for TV safety.
Let me know if you need further help.
Thanks.

Sep 22, 2009 | Sony Televison & Video

1 Answer

Sony kv 27V15: No picture but sound


Hi! the trouble indicates that your television's picture is the culprit, have your unit check by a qualified technician for verification.

Sep 12, 2009 | Sony KV-27V15 27" TV

1 Answer

Multiple attempts to Turn on the TV


It's common for capacitors on the power supply board to go bad (tops will swell up) and cause the same problem. these new LCD tv's are all very bad when it comes to power surges.

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There are 2 primary things that can cause this problem - a bad TEMP sensor that is sensing too much heat, OR, a lamp that is going bad, which sometimes causes excessive heat before it dies. Either way, the set will shut itself off, and you can turn it back on in about 5 min or so, and it will work OK....for another period of time before it shuts off again.

You need a good TV Tech with the Sony Service Codes for your set, to come out & check your set. The Service Codes will tell him the exact problem you are having, and how many hours your set has been running. Most of the time a new bulb solves this problem, (if youe set is at least 3 years old).

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1 Answer

LG 42LT75 DVR Demo (HDD Playback)


Hi. I had the same problem. It may be fixed by pressing the volume down and menu buttons on the tv-set and hold for five seconds. Then you can use the remote to turn DVR demo off.

Cheers

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