Question about Sharp LC-13AV4U 13 in. EDTV-Ready LCD Television

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Sharp 13" TV (LC-13AV4U) turns off after 5 seconds. Has good picture & sound when on, but won't stay on! Should I dump it or is it worth fixing...about 3-4 yrs. old?

Sits on kitchen counter below cabinets in corner. Space-saver microwave is about 4' away.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Turns itself off

Sharp LC-13AV4U - turn it on and in ten seconds it turns off.
Happens every time.
Any Ideas?
-----------------------------------------------
DO THIS AT YOUR OWN RISK!
This is NOT a fix, this is a permanent band-aid.
All you need is a phillips head and tiny diagonal cutters....
Heck, even a nail clipper would do it.
Just disable that faulty protection shut-down circuit!
Remove all the screws from the back cover
and look at the main board with the
unplugged! power cord towards you.
In the upper right corner of the board, you will find
a tiny red-striped zener diode, labeled as D409.
It is to the right of an electrolytic capacitor marked C403.
Snip this diode, at either end, or snip both ends and discard it.
Re-assemble the TV.....and you just got your tv back!.
I only run mine when I am sitting in front of it,
I never leave it running unattended....just in case!
Don't blame me it yours burns up....but mine is just fine.
The Robot Doctor.

Posted on Dec 13, 2008

  • 103 Answers

SOURCE: Sharp Aquos LC-32D40U-picture goes off at random times

The bad news,your set needs a new inverter board installed.With persistence to sharp,you might be able to get them to pay for the parts.

Posted on Mar 05, 2008

SOURCE: Sharp Aquos LC-32D4OU

Comment by Guest, posted on Oct 25, 2008My Aquos has the same problem. I'm not sure how I discovered this, but when I lean the TV forward and hit the power button it will turn on every time. If the screen blacks out and I don't lean it forward when I hit the power button, the screen will just remain blank. It is very weird, but at least repeatable.

- Thank you, Guest. That did it. It definitely seems to be a problem with the TV. Tilting it and hitting the power button helped me get the video back.

Posted on Nov 10, 2008

circuitworld
  • 335 Answers

SOURCE: sharp aqous lc 37 in tv power no picture,sound

Your control board seem's defective or the inverter board (associated circuits) are bad. This is common in most TFT-LCD Tv's.......

Posted on Dec 01, 2008

  • 1 Answer

SOURCE: Sharp Aquos LC-32D41U pictures problem

I have had exactly the same problem. Sounds daft but by not using the remote, and only using the power on/off switch on the TV itself, it is working perfectly...no idea why
Use the remore for changing programmes etc but not for on/off
Try it anyway because I know how annoying this is

Posted on Jul 20, 2009

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1 Answer

Sharp LC-13AV4U - turn it on and in ten seconds it turns off. Happens every time.


Hello
There is some short with the inside circut of your TV. The short usually occurs with the inverter transformer for backligh bulbs of with video processing section. These tw sections should be checked throrughly to find out the actual short. You must have sound knoledge in digital electronics, skill to work with these section, good quality digital multimeter [analogue multimeter or low quality digital multimeters should not be touched with LCD circuits]. Actually this is not a user repairable fault. If you have all facilities mentioned above check these sections for short. OK.

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Sharp TV powers off after 15-30 seconds


FOR SHARP LC-13AV1U TV - is it lighting up with in 5 sec

May 11, 2009 | Sharp LC-13AV1U Television

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Sharp aqous lc 37 in tv power no picture,sound


Your control board seem's defective or the inverter board (associated circuits) are bad. This is common in most TFT-LCD Tv's.......

Nov 30, 2008 | Sharp Aquos LC-37GD6U 37 in. LCD HDTV

1 Answer

I have sharp Lc-32D41u aquos tv. When I turn it on the picture leaves after about 2 seconds, but not the audio. Turn it off & on 4 to 5 times, the picture will stay on.


i had the same problem with this sharp, do not try to repair you are going to waist your money
here is what the problem is : the sound card is bad, you replace it and the same thing is going to happen again and again and again, not even sharp techs know what causes the sound card to go bad. the best solution for this problem is to get a receiver and some speakers and get the sound out of your cable or satellite box.

ps: the sound card is $260.00 and with that kind of money you can get all of this things that i told you
good luck

caypianan@yahoo.com

Oct 27, 2008 | Televison & Video

1 Answer

Lc-13av4u Shuts down 10 seconds


some projection tv's will do this if you do not touch another button within 10 seconds. Power your tv on then change the volume or channel. This should let your tv know that it was not an accidental power on. Hope this helps.

Sep 11, 2008 | Sharp Televison & Video

1 Answer

WHEN I TURN TV ON IT SHUTS OFF IN LESS THAN 10 SECONDS


These sets have a tendency to have bad power supply boards. They have to be replaced as a complete assembly. you should only call out, or take this set to an authorized Sharp repair center my friend. Good Luck

May 25, 2007 | Sharp LC-13AV4U 13 in. EDTV-Ready LCD...

4 Answers

Turns itself off


Sharp LC-13AV4U - turn it on and in ten seconds it turns off.
Happens every time.
Any Ideas?
-----------------------------------------------
DO THIS AT YOUR OWN RISK!
This is NOT a fix, this is a permanent band-aid.
All you need is a phillips head and tiny diagonal cutters....
Heck, even a nail clipper would do it.
Just disable that faulty protection shut-down circuit!
Remove all the screws from the back cover
and look at the main board with the
unplugged! power cord towards you.
In the upper right corner of the board, you will find
a tiny red-striped zener diode, labeled as D409.
It is to the right of an electrolytic capacitor marked C403.
Snip this diode, at either end, or snip both ends and discard it.
Re-assemble the TV.....and you just got your tv back!.
I only run mine when I am sitting in front of it,
I never leave it running unattended....just in case!
Don't blame me it yours burns up....but mine is just fine.
The Robot Doctor.

Oct 20, 2006 | Sharp LC-13AV4U 13 in. EDTV-Ready LCD...

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