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BRAND LG model 42Lg30 problem: does not turn on or make any sound blink red light instead of the blue in the on place. 42Lg30

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Hi


Thanks for using FixYa. Blinking light indicates that the power is getting to the unit however, as its not working which means that the power board should be checked. To start with open the back of the unit and then check the power supply board for any bad (bulged/swollen) capacitors. Power supply board is the board where all the power cords/plugs goes into. After you have checked that also check the main board and if you can use a multimeter to test the components on these boards. However, from your earlier posts it seems to be the main board that is bad and should be replaced. All this should only be done if you have knowledge of internal circuitry of the unit as the components consists high voltages even when in off position.You can check this link for parts. Please do accept the solution if the issue is resolved or post a comment for further assistance.



Thanks
Rylee

Posted on Jul 08, 2010

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Posted on Jan 02, 2017

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My LG Plasma 60" 60PG60 TV refuse to turn on. Red button light comes on but the blue light flashes and turns off. No picture, no sound. Please Help.


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
If blinks continue without any pause, the main board is faulty.

Jun 25, 2016 | LG 60PG60 60 in. Plasma HDTV

1 Answer

My lg tv has power and blue light comes when powered up the goes to red blinking light never a picture or audio


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

Apr 28, 2014 | LG 32LK330 TV

1 Answer

Lg 47lg70 turns off and on


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.

Mar 24, 2014 | LG 42LG50 42 in. LCD HDTV

1 Answer

Lg 42ld520 red light comes on and blinks a few times then the blue light comes on and nothing happens no picture or sound


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

Sep 27, 2011 | LG 42LD520 42 in. HD-Ready LCD TV

1 Answer

Lg 47ld520 red light blinks 3 times then blue


The LG web site recommends that the consumer schedule a service technician if the
set fails to turn on... no help on the red light blinking.
The LG service technician will want to know about the blinking lights, though.

Here's your TV User Manual (in English) for $6.99:
http://www.devicemanuals.com/model/LG_47LD520_manual.html
(couldn't find one free)

The LG site has nothing in the way of a users manual (just a 2-page spec sheet), and
no technical support. They list a parts distribution place though, at:

epd_web_logo.gif Encompass Parts Distribution 1655 Lakes Parkway
Lawrenceville, GA 30043
Sales: 866-779-7906
Fax: 800-552-1431
http://www.encompassparts.com/lgconsumer

Aug 16, 2011 | LG 47LD520 47 in. HD-Ready LCD TV

1 Answer

Hello, I have a 42"


Sounds like a backlight is out. If its still under warranty, exchange it. First try unplugging it for two minutes to reset the t.v.

May 15, 2011 | LG 42LG30 42 in. LCD HDTV

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