Question about Sharp Aquos LC-45GD4U 45 in. LCD HDTV

1 Answer

I have a Sharp Aquos # LC-45GD4U. It now suddenly turns off by itself and stays off until I turn it back on. This happens while watching live TV or playing back a recorded show. Ideas?

I subscribe to Time Warner and have a Scientific Atlantic HDC8300 cable box.

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  • 12 Answers

Check the ventilation fins on the back. Sometimes they get obstructed with dust and then heat builds up. The TV then shuts down to protect itself from overheating. You can use a blow dryer to blow it out.

Posted on Feb 01, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 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

  • 5 Answers

SOURCE: Aquos Turns off by itself

How many times per second does the POWER led blink? (dont worry about the OPC).

1x per second (constant, steady blink) = bad inverter/lamps
2x per second = bad power supply
3x per second = bad main board

There isnt really anything you can do to fix it yourself, you can order the part over EBay, not hard to install just unscrew/unplug --- plug/screw..

Posted on Aug 16, 2008

  • 1 Answer

SOURCE: Sharp Aquos LC C3242U - Intermittant Sound Switching from Mono to Stereo

Not sure if I just got lucky or if the problem is solved..I hooked up my Sharp Aquos LC-32D64U the other night and I had the blue audio box pop up. Mine was only in Mono and would not switch to Stereo...Well, Local cable company is of of Hi-Def boxes but I thought what if my Digital box is bad/old or has some sort of problem. I went down to comcast cable company switched to a different digitial box..came home, hooked it up and so far no blue audio box, plus now it shows that it's in stereo..good luck

Posted on Jan 10, 2009

  • 2 Answers

SOURCE: Programming the Acquos Remote

Input code 0093 into your Comcast remote. Here's a link for the how to: http://www.comcast.com/MediaLibrary/1/2/CM/VanityURL/documents/comcast_dvr_remote_manual.pdf

Posted on Mar 01, 2009

highspeedsan
  • 61 Answers

SOURCE: sharp aquos lc-52se94u green screen

If it it new, take it back. The product is not working properly.

Posted on Apr 30, 2009

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