LG Televison & Video - Recent Questions, Troubleshooting & Support


Hello Collin, the problem that you will have that the replacement strips correspond to a lower screen size, you could have less illuminated areas, another problem would be the work tension, surely the 42 "strips have less LED than the 47, therefore the strip of 42 "would be working with a feed voltage calculated for the 47"
I suggest you try to get the strips for the measure 47 ", change them all, they are new, because for this work you must remove the LCD panel, very fragile element
I hope you can solve the problem
Greetings Franco Dosil

Hola Collin, el problema que vas a tener que las tiras de reemplazo corresponden a una medida de pantalla inferior, podrias tener zonas menos iluminadas, otro problema seria la tension de trabajo, seguramente las tiras de 42" tienen menos LED que la de 47, por lo tanto la tira de 42" estarian trabajando con una tension de alimentacion calculada para la de 47"
Te sugiero trates de conseguir las tiras para la medida 47", cambialas todas, que sean nuevas, porque para este trabajo debes retirar el panel LCD, elemento muy fragil
Espero puedas resolver el problema
Saludos Franco Dosil
http://gscs-b2c.lge.com/downloadFile?fileId=KROWM000580073.pdf
http://gscs-b2c.lge.com/downloadFile?fileId=KROWM000572310.pdf

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I have had the exact same problem with my 47LG70 after 13 months of use. I changed my remote control sensor but it did not help. Before you do that, try something simple which seems irrelevant. On this website, others have posted success by plugging in any standing set of headphones into the remote control or headphone jack on the rear TV panel. This solved my problem. So I proceeded to thoroughly dust all of the input/output component jacks on the rear and side of the TV with an air-can. This solved my problem and I do not need to have the headphones plugged in. So try these two things before changing the sensor.

LG 37LC7D 37 in.... | Answered on Jun 19, 2019


smart tv's have their own built in computer and as with any computer they can get confused and don't know what to do.a simple thing to try is unplug your tv completely from power source including a power strip. hold the power button down for at least 60 seconds plug it back in see what happens. don't cost anything to try this.

LG Televison &... | Answered on Jun 18, 2019


Check and replace its SMPS board. Without any details, can advice no more.
If you wish to get some details; visit the site linked here. Pull up older posts.
https://electronicshelponline.blogspot.com/
https://homenol.blogspot.com/
faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent.
Search the site by type in the "brand name" to your device; [Exclude the model number], in the "Search box at the top right of the display window of the Homepage" to get gathered related posts. See the site by a desktop. Mobile view has no search box. If you are viewing it by your mobile, see it in webview.]

LG Televison &... | Answered on Jun 17, 2019


Hello Roe, for what you are commenting, it would seem a feeding problem, which can be either on the Food Source plate or on the Main plate, where the sub-sources are located
I send you the link of the service manual, control the voltages, remember to download the high voltage capacitor of the primary stage of the source
I hope you can solve the problem
Greetings Franco Dosil

Hola Roe, por lo que comentas, pareceria un problema de alimentacion, que tanto pueden estar en la placa de Fuente de Alimentacion o en la placa Principal, donde se encuentran las subfuentes
Te envio el link del manual de servicio, controla las tensiones, recuerda descargar el capacitor de alta tension de la etapa primaria de la fuente
Espero puedas resolver el problema
Saludos Franco Dosil
https://www.electronica-pt.com/esquema/func-download/33245/chk,da20a5b273d3354edf2a181680ef2b3f/no_html,1 https://www.lg.com/us/support/product-help/CT10000018-1430510575535-firmware-or-software-update

LG Televison &... | Answered on Jun 17, 2019

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