Question about Sharp LC52SB57UN LCD TV

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Sharp lc52sb57u - Loss of Controls

Have a sharp lc52sb57u. While using the set the volume all of a sudden races up to 60 (max) and I have NO use of the remote or side panel controls, except for the power button. Any ideas of the cause or how to fix? I have tried unplugging the set, which works sometimes, yet the problem persists and comes back. I have tried removing the remote from the area, which has no effect.

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6 Suggested Answers

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Posted on Jan 02, 2017

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likha
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SOURCE: Remote volume control for Sharp Aquos 42inch LCD not working

ok please open the remote then clean it with pencil eraser.

Posted on Oct 09, 2007

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SOURCE: Sharp Aquos turns itself off

My LC37D6U had this problem, thought that I was going **** at first, came to find out that there was a firmware issue with the system. I got ahold of the updates for my particular system and just applied them. ** issues turning on and off now, just the sound going dead after 18 months.

Posted on Mar 09, 2008

  • 1 Answer

SOURCE: volume issue

I have the same problem. When I adjusted the volume on the cable box, it was solved. Turn up the volume on the cable box, and when you use your remote, it's super loud, even at midway!

Posted on May 20, 2008

  • 50 Answers

SOURCE: remote does not work for Sharp lc42d85u

On this unit if you do a fact reset it should fix this problem steps as follows. PS you might need 2 people

1- unplug unit from back of unit
2- on the key pad on the tv hold the input and vol dowm buttons
3- while holding the buttons plug the tv in, keep holding the buttons until the screen comes up.
4- once the screen is up there should be a white K in a blue or green box.
5- next, on the key pad on the tv press the channel and vol down buttons once.
6- a menu should pop up
7- using the sharp remote,locate the directional pad
8- press the down button once should bring you to a 2nd page
9- top should state FACT INIT press the right arrow once to turn on, next a series of back slashes come up.
10- screen goes green and says INIT Successful
11- unplug unit from back of tv wait 10 sec then plug back in. tv should turn on by itself. should be back to as new.


If you get to step 7 and the remote still does not work then you need to replace the ir sensor board (aka) LED unit per Sharp.


if needed here is the orignal part info DUNTKE868FM01 about $12.00+ tax

Posted on Mar 18, 2009

  • 4 Answers

SOURCE: tv remote controle codes for starchoice 5-in-1 remote (sharp aquos tv)

you might try unplugging the TV and then plugging in again. It worked for me

Posted on Nov 27, 2010

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If the volume buttons work when using the Radio, then the buttons on the Remote are fine.
Now if the volume on your TV is set to MAX and you can barely hear it.
The issue lies with your TV.. ()
Now if I understand correctly or if I am to assume you are using a Reviever.
If the reciever is used for all volumes... If this is the case.
I also assume the volume on the TV Speakers is set to off
Therefore when you use the Radio/DVD the volume control is using the Reciever volume.
and when you switch to TV it uses the TV volume thus the TV volume is not gonna work as well.
2 scenarios
1 The TV volume even at max is not giving you enough power to get the low receiver volume
2 the Receiver volume is at max and barely audible.. if this is the case just manualy adjust your TV volume to get it to a decent sound level.

Hard to explain but I know the 2 issues can be fixed.

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