Question about Olevia LT37HVS 37 in. LCD HDTV

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Your LCD Have Power But No Display?

  1. My LCD prima 37" Have Power But No Display, ithis morning i change the channel and screen went black can some 1 help plz?

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Just for curiosity, shine a flashlight in to the screen at an off angle. See if you can see any kind of image. If so, this means that the back-plain lamps and or back-plain power supply have failed.

If there is no picture at all, then the drive module for the display, possibly including part of the power supply has probably failed.


Jerry G.

Posted on Feb 10, 2009

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TV Problem: No Video but Audio works


Here are some basic treatment for a dark display.
  1. On LCD TV, Some time missing or lose LCD strip from PCB connector. Solution- Clean strip and connector.
  2. Some time missing LAMP, burning lamp is a major cause for dark display in LCD TV. If lamp problem with any display, Display show in sun lights. Solution- Check Lamp connection/connector. Clean connector or change Lamp.
  3. In CRT TV, Fly back is faulted. There are no high voltages. Solution- Change or check fly back, Check out put transistor.
  4. Some OLED Tv Use OLED lights for display shining and brightness. IF LED's or lamps are faulted there is no display in sun shine.
  5. Before starting Troubleshoot display problem you need to conform and trace faulted stage of TV.
  6. Don't Apply any miss use trick at home. Contact the professional repairing lab.
  7. If you are full fault to understand your TV problem. Tip more condition of your problem.

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LG 37LC7D HDTV just went blank. Screen blacked out and green light is on but no response to input change, remote, volume, or channel change. I've unplugged it for several minutes in an effort to reboot...


My lg 37lc7d is having the same problem. My backlight is on but no display. Also the standby light blinks several times then the screen goes on but it's just all black. No a/v

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Sharp LC37D44U Power LED was flashing green. TV would turn on, channel indicator shows in upper right corner, sound good, but screen would be black. Channel indicator disappears but screen is still...


I had the same problem. all the service reset would only make the display come on for a few second with no "k" on the screen - only the channel would show up. I purchased a complete set of board for the lcd on ebay, and started swapping them one by one. The inverter boards were the culpret. Tele working 100% since that board swap.

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37" Polaroid HD LCD black display but appears to be "on"


The power supply board was having problems before.That the board,where the power a/c cord plug into it Now might also the Tuner board are dead too.The tv Tuner board,that the board where the tv broscast signal cable plug into it.That the Tuner board.Tries Websites like shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement to see if solved the problem,not probally will have to buy the refurbish Tuner board for the replacement too.

Jul 13, 2010 | Polaroid FLM-3734B 37 in. LCD HDTV

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Olevia tv, no power


This the common problem for Olevia TV, open up the back cover, locate the power supply board, look for the electolytic capacitors top that is slightly domed, replace them, they usually 1 or 4 that is bad, buy your replacement's at Radio Shack

Jun 06, 2010 | Olevia LT37HV 37 in. HD-Ready LCD...

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My Philips 37PFL5332D 37 has a black screen when


ur problem is the inverter board , or bad capacitor on power supply

Apr 14, 2010 | Philips 37PFL5332D 37 in. LCD Television

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I have a 37 inc LG LCD TV. While watching it the TV made a loud pop noise and the screen went black. We lost both the screen and sound. Tried it again this morning and after 2 minutes the same thing...


you have blown an internal fuse you might be suprized to learn that ther is someone veryclose to you who might be able to fix it a lot of people who fix tv's work from home bassically you just neeed ot repalce a small circut board inside it

just google and try to find them

take tc back it should sill be under warenty if they refuse you can say t othem this is not fit for its purpose and force them to fix or replace it

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2 Answers

Akai lct2785ta Sound Problem


Bear with me...I will start talking about CC, but I think my solution may work for you, too. I noticed that every time I turned on Closed Captioning, when I changed channel, it went off.

I went into the on-screen set-up, and turned on the CC there. Now, when I turn OFF CC, then change channels, it comes back on.

So, it may just have to do with your set up. Go there and set the default sound to stereo and see if that fixes it.

Good luck.

Oct 05, 2007 | Protron PLTV-37 37 in. LCD Television

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