Question about LG 42LC2D 42 in. LCD HDTV

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The TV stopped receiving IR signals from remotes

The TV stopped responding to the TV remote and my universal remote. All other features work fine.

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Make sure that your remote has a line of sight to the tv. often a small antenna is added to enhance reception. also check to be sure your remote batteries are aok.

Posted on Sep 09, 2009

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1 Answer

Remote control stopped working changed batteries and still not working


Here are a few suggestions to help you with this problem:
It is possible that the battery contacts are corroded so you might try expecting the contacts and cleaning them. Since you cannot see if the IR signal is being sent, you can use another IR remote that you know works and see if you can Jam the signal of the working remote with your Hql-260wr remote. To do this, push the volume up button on the TV remote and hold it down while at the same time using the known working remote to control its companion product. If the working unit stops responding correctly when the volume button is pressed, it is transmitting an IR signal.

In this case, since you confirmed that the remote is transmitting, you can make sure that you are on the correct device settings for the remote. If you select the TV setting for instance, see if the remote now can control the TV. The main functions to try first are volume and channel buttons.

If this does not work, you will need to find out where the IR receiver is on the TV and make sure that the receiver lens is not blocked by something such as another device like a video console, etc.

Apr 03, 2015 | Televison & Video

1 Answer

#1 remote in IR Mode, #2 remote in UHF mode, dual HD receiver model 722; #2 remote works perfectly, #1 remote works for a while then stops working. Have to hold the remote within an inch of the IR on the...


bp22911,

It sounds like it may be an interference issue with the IR. Some LCD TV's can cause interference with an IR signal which will cause problems with the remote. Something you can try to fix is disabling the Auto Back-Lighting feature on the TV itself and see if that helps. If not, the easiest way to fix would be to make the TV1 remote UHF.

This would require a 21.0 remote as a 20.0 is IR only. Look on the back of the remote at the top to see what model you have.

With a 21.0 go to System Information. On the back of the remote inside the battery cover is a switch that says IR And UHF and make sure the green 1 is showing. Flip it to UHF and press Record 3 times. The Primary Address should now have UHF in it. Try the remote and see if it works.

If it doesn't or you continue to have problems you can post here or email me at thomas.faust@dishnetwork.com

Tommy Faust
DISH Network

Apr 13, 2011 | DISH Network IR Remote Control

1 Answer

Goog day. I have a Samsung LE40A559 LCD TV and about a week ago it stopped responding to the remote. Remote itself is working as when the TV is off and I push buttons on the remote the blue light on TV...


The flashing blue light shows that the TV is receiving I.R. from the remote but doesn't mean that the signal being received is recognized by the Samsung. If you have a "universal" remote then your TV code may need to be re-entered/reprogrammed...changing batteries in a "universal" will usually require it to be reprogrammed.

Also...because of the remotes construction (rubber membranes with carbon dots that short across PC traces) I've seen certain buttons stop working altogether.

Nov 05, 2010 | Samsung TV Remote Control

1 Answer

My tv doesnt respond to the remote any more. I fitted new batteries but nothing - not even to stich it off> TV works fine from the on set controls


Testing remote control:
The remote control puts out IR (InfraRed) signal that human eyes cannot see, to find out if the remote is sending out the signal or not you just point the remote at the digital camera's Lens (Digital Camera can detect IR), you should see flashing light on the camera's screen when any one of the remote button is pushed. If you do see the flashing on the camera, then the problem is in the TV IR receiver or the main logic board; more troubleshooting with scope will be needed to look at the signals.
Parts: www.shopjimmy.com
www.remotes.com

Oct 21, 2010 | Philips 42PFL7403D/27 42 in. LCD TV

1 Answer

My remote stopped working... I tried to reprogram my ATT universal remote then tried the remote that came with the tv. Neither is working.


The IR receiver in the TV may have gone out, but check the remote signal first.
Testing remote control:
The remote control puts out IR (InfraRed) signal that human eyes cannot see, to find out if the remote is sending out the signal or not you just point the remote at the digital camera’s Lens (Digital Camera can detect IR), you should see flashing light on the camera’s screen when any one of the remote button is pushed. If you do see the flashing on the camera, then the problem is in the TV IR receiver or the main logic board; more troubleshooting with scope will be needed to look at the signals.
Parts: www.shopjimmy.com
www.remotes.com

Jul 15, 2010 | LG 32LC7D Television

1 Answer

Remote control stopped working


The problem can be in the IR receiver, it either not getting the 5vdc, or it failed, or the logic board is bad.
You will need to find out if the signal get to the logic board when the IR receiver gets the signal from the remote control.
Parts: http://www.shopjimmy.com/catalogsearch/result/?q=LG+42LC2D+

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

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http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com

Jun 28, 2010 | LG 42LC2D 42 in. LCD HDTV

1 Answer

My tv stopped responding to the remote for some odd reason ( the remote seems fine ) how do i reset it ??


the problem is the IR Receiver in the tv needs
replacing,this is the receiver thay receives the
signal from the remote.there is no reset for
this type of problem.Also you my try new batteries in the remote and a new remote if the
IR Receiver does not repair the problem.

Sep 04, 2009 | RCA Universal Remote Control

1 Answer

Dish IR Remote 20.0 has problems after sunset.


The problem for me was the TV giving off IR signals that interfered with DISH's poorly designed remote. When the TV's room ambient light sensor was turned on and it became dusk outside the DISH remote would stop working. Moving the receiver away from the TV helps but the problem is not eliminated until the light sensor is turned off.
Until DISH corrects this poor design there may be no other viable solution.

Jul 09, 2009 | DISH Network IR Remote Control

1 Answer

TV not reponding to remote


Remote IR LED receiver defective located on front edge of PC board.......I will get the part # for you........................T.

Feb 27, 2008 | Televison & Video

2 Answers

TV won't respond to remote(s)


I don't know of any adjustments for the IR receiver but the receiver itself could have gone bad or something may be blocking the IR lens not letting the IR signal get through. Maybe (but unusual) there may be a cold solder joint in the IR circuit. Sometimes dust will collect on the inside of the IR lens causing this problem. You can verify the operation of your remotes by holding them close to an AM radio receiver and pushing the buttons. You'll hear a popping sound through the radio speaker whenever a button is pushed. You may have to tune the radio up or down the band to pick up the remote's signal. Stargazer

Mar 02, 2007 | Toshiba 34HF81 34" TV

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