Question about Toshiba 15VL33B 15 in. LCD Television

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Sound but no picture

When switched on, picture appears for no more than 1 sec, then blank/black screen with sound

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Re: sound but no picture

Backlight module needs replacing, I got charged £80 3 yrs ago

Posted on Nov 12, 2010

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Samsung 50" led un50h6350. The TV is about 18 months old and the picture went out, the audio and back light are working. I've replaced the t-con board and that didn't fix it. Someone please help!

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Dec 21, 2015 | Samsung Flat Panel Televisions

2 Answers

Monitor goes black - green light stays on

My screen is black, why do I not have a picture?
Answer Antenna is not hooked up to television.
  • Make sure that the antenna cable is correctly connected to the television. If it doesn't work there appears to be no signal.
Problem is caused by television broadcast
  1. Push 'INFO' button.
  2. If the screen shows channel number (1, 2, 3, etc) try another channel. Not all channels broadcast at all times.
  3. You may have a signal problem. Contact cable provider or local broadcaster regarding the specific channel.
Television is in EXT or SIDE mode, and there is no external source provided, so screen mute (black screen) is activated.
  1. Push NEXT SOURCE button on the remote.
  2. On the screen appears all sorces.
  3. Press the UP button to switch to the TV mode.
If you are using an accessory device (DVD, DVR, or VCR), be sure the device is on and running.
Blank screen when connecting to the accessory (DVD, STB, PC) device via HDMI to HDMI.

  • Make sure the cable is well connected .
  • To check which connection is selected, Press the i+ button on the remote control.
  1. When you see Blue mute / blank screen and the i+ display does not indicate any video resolution indication then there is no valid signal detected.
    • Make sure the HDMI output of the accessory is valid by changing the video output resolution to a resolution which the TV can handle.
  2. When you see a blank screen and the i+ display shows a video resolution indication then the connection is correct.
    • The blank screen is caused by the accessory device and not by the TV.
    • To detect and remedy the problem caused by the accessory device, check the instruction manual of this device.
  3. If the problem remains : reselect the HDMI external source input by changing to the other HDMI input and back to the connected HDMI :
    1. Press AV on the remote
    2. Press up and then ok
    3. Press AV again
    4. Press down and ok
    5. The compatibility check process between TV and accessory device will start over again.
  4. Reset (switch off and back on) the TV and also reset the accessory device.

Mar 05, 2008 | Philips 42PF9630A 42 in. Plasma Television

2 Answers

Picture shows for 1 sec when switching on TV, and then screen goes black on my Sansui TFT SV-2010 LCD Monitor

Now u turn on the tv the tv pictures only flashes a few sec.than dies,but the tv still have audio sound left only?Yes,mean ur tv have a 1 or 2 long boards that are call a LCD inverter boards are the causes and the problems.These 1 or 2 long LCD inverter boards only job are to provided the tv LCD screen panel for a backlight for the tv to have picture only.Tries websites like, to buy a 1 or 2 the tv long LCD inverter boards for the replacement.

Oct 03, 2011 | Sansui HDLCD3210 32 in. LCD TV

1 Answer

I have two problems: 1. several chanels will not come in very well - the have lines, distortion, picture is in "squares", no sound. Sometimes it is an acceptable picture but is is on for 1-2...

The description of "picture is in squares" is typical of poor signal conditions. It is called "blocking". The screen is made up of blocks of bits of the picture and is reassembled by the uProcessing inside the digital set. Clever really!
If you get your signal sorted out you will find that the processor will have more time to do as you request with menus and channel sorting.
Hope that helps.

Dec 31, 2010 | LG 32LG30 32 in. LCD HDTV

1 Answer

TV got blank. There is sound and I can change the channel also..

Tv turn on got a picture flashes few sec.than died have sound left only?Yes,than tv have 1 or 2 a long board call the LCD inverter boards are dead.These 1 or 2 long LCD inverter boards,help the LCD screen panel to have a backlight to produced a picture.Tries websites like, to buy those refurbishes 1 or 2 long LCD inverter board for the replacement.

Oct 23, 2010 | Flat Panel Televisions

1 Answer

Picture appears for 3 sec then shows no signal



Apr 27, 2009 | Westinghouse W4207 42 in. HD-Ready LCD TV

1 Answer

TV screen is blank but I still get sound

its probably the motheboard. i got one for sale cause i broke the screen. or you can sell me yours so i can fix mine. if your interested email me at

Mar 02, 2009 | Sharp LC-26SH10U 26 in. LCD Television

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