Sharp 15" AQUOS LCD Flat-Panel LC15B4US Monitor Logo
Posted on Jul 02, 2008

Automatically turns off after few seconds

When the tv is turned on, everything is fine for about 15 seconds - then the tv automatically turns itself off. the tv is less than 2 years old.

  • Anonymous Aug 19, 2008

    tv stays on for seconds and turns-off ---- what is going on

  • Anonymous Aug 29, 2008

    Same problem - turns on for about 3 seconds and then shuts off. Took it to a tv repair shop - they told me the entire panel had to be replaced - $400. No thanks - the tv only cost $275. Should i try another shop? Spent $50 on the first one.

×

1 Answer

Anonymous

Level 1:

An expert who has achieved level 1.

Hot-Shot:

An expert who has answered 20 questions.

Corporal:

An expert that has over 10 points.

Mayor:

An expert whose answer got voted for 2 times.

  • Contributor 37 Answers
  • Posted on Aug 26, 2008
Anonymous
Contributor
Level 1:

An expert who has achieved level 1.

Hot-Shot:

An expert who has answered 20 questions.

Corporal:

An expert that has over 10 points.

Mayor:

An expert whose answer got voted for 2 times.

Joined: Jun 13, 2008
Answers
37
Questions
1
Helped
8334
Points
53

I had a similar problem and I believe the problem is with the high voltage circuit and ccfl transformers. If you know electronics you may be able to find the chips that provide the power input to the CCFL transformer (I had two transformers and 4 FET's). You will also need a micro soldering station and excellent soldering skills to replace the flat packs (SMT). Hope this helps.

Add Your Answer

×

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

0helpful
1answer

Older-model Toshiba TV shuts off by itself

There is a large sand filled resistor on the main board close to where the power cord attaches that cracks. This will stop power until it cools enough to make the connection then heats up rapidly to open it again. It may be worth the trouble if you're handy with a soldering gun and can get the back off the TV. If not then I'd consider getting a flat screen.
1helpful
1answer

HL-S5086W turns itself off

if your tv is dlp. the blub is probably the cause. i have a r5087 and had same problem. replaced blub and set works fine
0helpful
1answer

I have a Flat screen LG TV, 26LG3000, I cannot turn the tv off from the remote or the button on the tv itself when I try to do this the tv will go off but then after a few seconds will come back on again....

Its because you tv is set to automatic turn on ! To avoid this ! When you switch off your tv remember to plug it out from the electricity board !
0helpful
1answer

TV turns itself off

Ghostly activity ;)
Or you can try Deguasse? Or however it's spelt I am only 15 and good with PC's xD
-----

Maybe a loose wire inside of the TV Case?

0helpful
1answer

Lg tv automatically turn on and off. Power surge

the software in the main control is damaged. call your lg servicer in your area. he might get you a software update
0helpful
2answers

Toshiba 27af45 turns off by itself every 15 minutes..how do I fix

I think the timer setting in your TV is broken. Try fixing this.
0helpful
4answers

Green flashes then tv turns off

or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.
0helpful
3answers

Tv turns off

Its the lamp that needs replacing. It will run for a couple of seconds and then it would dim or turn off.
0helpful
3answers

Power turns off automatically

happened with my 2002 42" model. they say the convergence circuit.
Not finding what you are looking for?

759 views

Ask a Question

Usually answered in minutes!

Top Sharp Computers & Internet Experts

Grand Canyon Tech
Grand Canyon Tech

Level 3 Expert

3867 Answers

Ngoro

Level 3 Expert

3521 Answers

john h

Level 3 Expert

29494 Answers

Are you a Sharp Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...