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I have a Digital Research LCD tv and for some reason the power does not come on anymore. I was watching it one day then turned it off. A couple hours later I went to turn it back on and nothing happened. There is absolutely no power. I took to back off hoping to find a fuse somewhere but couldn't see anything. Can anyone help?

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Try tv unplug,replug it an hour later.The tv will now resetting back to factory setting.The tv should work now.Not,than the power supply board is dead.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacenent.

Posted on Sep 08, 2010

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Posted on Jan 02, 2017

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Need to repair Sony TV


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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While watching the TV the screen went blank and there wasn't any sound. I've checked all the cables. I tried turning it off and back on but when I did this the power light flashes 27 times before...


The tv power supply board it is shorted and dead.That the board where the tv power a/c cord plug into it.Tries websites like Shojimmy.com,Ebay.com to buy a whole new refurbish tv power supply board for the replacement.

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My Tv is from febuary 2009, we bought it in april. till a couple days ago it worked just fine but now i have a hard time with turning it on. everytime i push the power button the yellow light appers but it...


Check the remote control for its infrared emission. Check it with fresh batteries. Check it by pressing all the keys. You can detect the presence of infra-red emission from the remote control, using a cell-phone camera. If you wish to get more details about how to check a remote control, please visit this site. One among the posts has details about it. In some cases, the remote control might need to clean.
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Hi, I have a Sony KDL-46XBR9 LCD Digital Color TV. This morning my son was watching cartoons and it clicked itself off. It has sometimes done this in the past, so we did something else for a couple of...


This tv have a power supply board is the causes and the problems.Ur tv power supply board finally gave out and not supply the right voltages to the tv system anymore.That the board,where the tv power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Dec 06, 2010 | Televison & Video

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TV CLICK WHEN TURN ON


I had the same problem. http://www.youtube.com/watch?v=tK7zFBBU6p4&feature=related The click click sound was my clue - its a common problem with Samsung. I watched a few of these and was able to see the 4 bad capacitors on my tv, de-soldered and replaced them for under $5.00. Hope this helps. I have never soldered other than a couple of wires on a speaker; so this required some practice. Disconnect the TV for a couple of days to make sure the power down the unit before you touch the inside of the set.

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PROBLEM WITH DOLBY DIGITAL ON HARMAN KARDON AV225


Well it it might not. What exact model TV?

Your high-fidelity equipment should get TV-related audio from the same place the TV gets it - Cable, DVD, BD or Sat. A digital feed each of them will carry TRUE Dolby Digital audio. There is little sense in diluting TV-related audio through a TV and it's marginal audio electronics that are usually limited to analog stereo.

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It has bad power supply(capacitors bulged), and possible main board bad ,too.

May 06, 2010 | Samsung 52 in. Flat-Panel LCD HDTV

1 Answer

Tv does not turn on


When TV does not start, and sometimes you hear a clicking noise, that means that the TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Aug 18, 2007 | Zenith L13V36 13" Flat Panel LCD Monitor

1 Answer

Have a small lcd flat screen tv- 4 mos old


you have to repair its power supply, there are a couple of capacitors you have are almost short that's why the TV is turning of so to be in safe mode from power failure. Please contact a good technician in you place for a service. Patrick

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