Question about LG Televison & Video
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
Posted on Jun 17, 2019
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Posted on Jan 02, 2017
http://www.lcdparts.net/howto/troubleshooting/LaptopCCFL1.aspx OR MONITOR
take your plate a part, without desolding anything, reconnect your ccfl's to your invertor , this is how I found that with only 3/4 my monitor ccfl backlights worked. Monitor had classic for 2 seconds and I coud see a windows shadow (I changed my capacitors).my was a kit assembly plate and disassembly easy, light clips and small screws, gentle, movements, set your work bench very clear, tube break, push from the sides where they plugged together always!
I guess from this that the inverter self test check all the ccfl's!
hence the on / check/ off screen (the high power bit, leaving the lower power bit on)
Posted on Feb 08, 2010
SOURCE: I have a Soyo mtsytpt3227ab
It seems back light inverter board is defective in said symptoms because you get sound in tv but no picture. Please point strong flash light at tv screen to observe faint image, if image is there then replace back light inverter board that is available with shopjimmy.com
And if no faint image found then power supply board would be defective and it is available with shopjimmy.com
Hope these info will help.
Posted on Mar 14, 2011
SOURCE: I have a lg 47 lcd tv. model num. 47LD500. only about a year old when this happened. Was working fine and just shut off by it self. will not do anything at all. no sounds lights nothing. Have checked
check power supply
Posted on Jun 04, 2012
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