Question about Samsung LN-S4041D 40 in. LCD HDTV

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No light on lcd screen

I have no picture on my lcd but i can listen sound

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Check if the back lamps are still on when you lose image, all you have to do is get close to the screen and make is totally black and if is not that means you have a back light working, but if the back light is gone you may have a defective panel.

talked to samsung TA about the same problem I had and the recommend to replace the power supply first to confirm a defective panel because a panel is quite expensive

Posted on Jun 15, 2009

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Posted on Jan 02, 2017

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We have sound but no picture


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Tiny "guide-size" screen remains when I'm out of guide


HI,

I'll let you know if there is a mnual available online for your model.So that you can find out some troubleshooting steps.

Apr 16, 2008 | Philips 42PFL5332D 42 in. LCD Television

1 Answer

Sharp LCD tv has sound and no picture, will a reset work?


Do this first. Shine a flashlite on the screen to see of you can see a picture with the TV on and listening to a program. If you CAN see a picture the backlight drivers are bad If no picture the T-con board is bad. You can get parts from here :www.shopjimmy.com

Jun 25, 2014 | Sharp LC-32SB24U 32 in. LCD TV

1 Answer

Spetroniq 42"lcd screens black no picture no


Sounds like maybe power supply, but I would check with flashlight 2 in from screen when the green light comes on to see if you have a picture, if so then you have a bad inverter board, if not then power supply problems. You can look for bad or bulged caps in PS

Jan 06, 2011 | Spectroniq PLTV-42HW68 42 in. LCD TV

1 Answer

Hello. i have a vizio vw32Lhdtv40A my screen is light up, i have volume and sound but no picture? i am confused as to y i have sound and no picture


The tv have a long board call a LCD inverter board.This long LCD inverter board is dead,that why u have picture flashes few min than dies,have sound left only.The long LCD inverter board help the LCD screen panel to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish long LCD inverter board for the replacement.

Oct 16, 2010 | Vizio L32 32 in. LCD HDTV

2 Answers

No data is sent to the screen


When the screen goes completely black, shine a very bright flashlight closely at the screen. If you can see the image, then the most likely problem is that the backlight inverter has failed.

The inverter is a circuit board that works like a flourescent light ballast. If the inverter fails, there is no backlight, and the screen is black.

Since the invertor is a high-voltage component, I would also listen for any unusual sounds associated with the failure: e.g. buzzing, whistling, popping.

To rule out some sort of connection failure, see if you can recreate the failure mode when using the TVs internal setup menu. The setup menu does not rely on any external inputs....of course neither does the volume control or channel indicator on the screen.

Oct 07, 2009 | Philips 32PF7320A 32 in. LCD Television

2 Answers

Hello, LCD Problem. I have sound but no image. Black screen. No access to the configuration menu. Someone can help me ??


I think your LCD TV lost back light that is why you have sound but no picture to see it as LCD TV requires back light to present picture on its screen.
Please intimate model and brand of your LCD TV to provide you more info.

Sep 17, 2009 | Televison & Video

1 Answer

I have sound and no picture


You do not state your TV is plasma/LCD or the older tube TV.
Anyway, if your TV is plasma, the problem comes from Y-board.
If it is LCD, use flash light shines to the screen you will see pictures moving there. This case the invertor fail.
The old one have many components involved. It is hard to tell without details.

Aug 13, 2009 | Televison & Video

1 Answer

Picture washed out, can't get it right


LCD TV TroubleshootingThe defective LCD TV may have the following common symptoms:

Symptom: No picture on screen but LCD TV still has sound.
Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem. Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound.
Solutions: The problem is cause by defective inverter. Symptom: Blue Screen but no picture
Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Scree. Symptom: Power light stays on but no display and sound
Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board. Symptom: No Power or Power indicate light does not lits
Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board). Symptom: Screen is half dim and half bright
Solutions: The problem is cause by defective LCD Panel.It needs to be replace.

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