Question about LG 26LC2D 26 in. LCD Television

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LG 26LC2D will not show any picture

TV will turn on but not show any picture and then will have trouble turning off and then back on

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Buen d?a.


Tengo un televisor LG 26LC2D-ME que lo enciendo y no tiene imagen, aparece la imagen despu?s de unos minutos, cuando la vuelvo a apagar y encender tarda menos en aparecer la imagen hasta la tercera o cuarta vez que enciende normal, en ocasiones a la primera vez de encenderla tampoco apaga solamente desconect?ndola de la energ?a el?ctrica la fuente de poder ten?a algunos capacitores un poco gastados que los reemplace por nuevos estos fueron el c222 1000mf 50v, c221 1000mf50v, c234 1000mf35v, c237 1000mf35v, c201 3300mf25v,c202 3300mf25v, c226 1000mf35v, c228 1000mf35v todav?a continua la falla y al parecer los voltajes que alimentan a la tarjeta main y a la t-con est?n correctos la falla solo es en el sistema de encendido no tengo el software de actualizaci?n del equipo que pudiera ser una de las fallas, que me recomiendan revisar, gracias atte. Gabriel Espinosa M?xico gaboo65@gmail.com

Posted on Jan 15, 2015

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Posted on Jan 02, 2017

  • 19 Answers

SOURCE: LG 42LG5 TURN ON TV PICTURE GOES BLACK

This could be 1 of a few things here. Without opening up your set and trying to look at voltages or indiciator lights I couldn't tell you exactly without some more info.

Without looking at it myself here are my thoughts and where I would first look at.

It may be a main board because:
1) Main board processes all your audio/video signals. Bad main board means bad video processing. Could do that. Especially if the main board is not sending the right signal or a bad signal to the rest of the boards so they don't do their jobs. 

It may be a power supply because:
1) Power supply is well, the power supply. If it's sending inadaquete voltage to the main board you may not be recieving enough juice to keep that main board doing your video processing or further up the line keeping enough juice flowing to your TCon board to keep it telling things where to go and what to do. The power supply sends voltages to your Ballast board(controls your lights) and to your main board through which power is supplied to your TCon board via a LVDS line and a +12/+16V signals. If the power supply isn't pumping out enough juice to keep the TCon or Main Board running, it could be a problem. By the same token it could be that your P/S isn't sending power out to your ballast board. 

It could be a TCon because:
1) If the TCon is bad, you won't get your pictures. This could be the TCon board itself or the LVDS cable from your TCon to your Main. However, with few exceptions, if it's a bad TCon you're looking at a total panel replacement. 

It could be a ballast board because:
1) The Ballast Board controls the lighting behind the LCD screen. If this isn't working right you won't be seeing much of anything without that back lighting. If this is bad, it's a panel replacement. These are not field replaceable items by LG. 

Based on the symptoms, without more data or a eyes-on view of it, I would say you're most likely looking at a Main Brd or PSU problem. 

Posted on Feb 21, 2009

tvservice306
  • 458 Answers

SOURCE: tv takes 20 mins to turn on

try replaced main board,,,,,

Posted on Apr 03, 2010

joeguest2
  • 2080 Answers

SOURCE: I have a LG 26LC2D

Also try the following codes and see if any of them work better:

11934,
11637,
11530,
10017,
10442,
10056,
11314,
10003,
11032.

Good luck.

Posted on Mar 18, 2011

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
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I disagree with info provided, if screen of your LG lcd tv becomes green that means inverter board is working and lcd tv does not have convergence ICs.
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