Question about Dynex 19 in. LCD Flat-Panel HDTV

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Image lost after 5 min turning on the tv, sound was ok.

When I turn on the TV, it woked ok. After 5 min, the image lost and a dark screen appeared. The audio still worked.

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  • dong_niu Nov 30, 2008

    Can Best Buy repair it?

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I would suspect overheating of an electric component in the power supply of the lamp (backlight) of your lcd tv. bring it in for repairs.

Posted on Nov 29, 2008

  • michael galang Dec 02, 2008

    I really have no idea who can fix appliances overseas..try to inquire thou

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When we turn our TV on we get sound, but our picture is distorted for about 15 min then it's clear. Any sug?


Your TV is about 5 years old.
If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
https://www.youtube.com/watch?v=TR2iWN6b-LY
LCD TV Repair No Power Power Supply Common Symptoms Solutions How to...

Feb 26, 2015 | LG 46LD550 46 in. LCD TV

2 Answers

Vizio 42", have picture for about 5 mins then screen goes black.


also check the power cord wire coming from the back of the tv is loose from the tv side or perfect.

Oct 26, 2008 | Vizio Flat Panel Televisions

1 Answer

Audio is OK, Video NO


Hello,
It sounds by the description that your tv has a defective T-CON (Timing Control) Board -this is evident by the 5 flashes and the fact that the screen was working ok, then going black then repeating.
The board can be bought usually on ebay but, only if you feel comfortable in replacing it yourself, otherwise a sony service tech needs to be called to repair this!
Good Luck
Rich lilja

Dec 15, 2013 | Sony KDL40EX710 40 inch BRAVIA 1080p LCD...

2 Answers

I turn my tv on the picture and sound all work and after about 20min the picture goes to a black screen and I still have my sound. I turned the tv off wait about 5 min turn it back on the picture come on...


If you have electronics experience - check the power supply and make sure you are getting the correct voltage to your inverter boards and main av board - also do you see any movement on the screen take a flashlight and shine on the screen - if you can see a dark image on the screen check inverter boards and power first.

thanks,

michael

Mar 21, 2011 | Element Electronics FLX3210 32 in. LCD TV

1 Answer

LCD screen gone dark, can still hear sound and see image


It wouls appear one of the backlights in the screen is cutting out, this will require the screen to be replaced although in certain circumstances, depending on the age & model of your TV, it is sometimes possible to change the faulty backlight independantly. Take it to a repair centre to get an anaylisis of the type of screen it has.

Aug 22, 2009 | Flat Panel Televisions

2 Answers

My tv wont turn on


My LA40A550 Samsung HDTV is 4 months old. It is doing same. That is the red led blinking 2 sec on and then off for ever. No picture, no sound, nothing. just dark black screen. What to do ?

Mar 16, 2009 | Samsung LA40A550 40 in. HD-Ready LCD TV

1 Answer

Blank screen beko lcd 26" lcd tv - sound ok (model no. L5A)


While you have sound, take a flashlight and shine it on the screen, look very close and see if you can see a dark video image.
Let me know what you see.
lone99star

Jan 08, 2009 | Hitachi 50V500 50 in. HD-Ready LCD...

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