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LG 42PX 4R - will not power up, no red standby light, power cable is fine, checked on another appliance. Any ideas?

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Your problem is related with power supply board, it must change it

Posted on May 28, 2010

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Posted on Jan 02, 2017

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Dear Jimmy, I have a 50PA4500-UM from LG. It has sound but black screen.


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/

Aug 20, 2017 | Televison & Video

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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

Panasonic tv model th-42px 8b when switched on turns the green LED on and turns red immediately and continue to blink


Most likely damage either to the main power supply board or the portion of it where the power cord connects--not going to be the main fuse or you would have nothing.

If you want to research this (or I can if you give me complete model number) GOOGLE the model number with "parts" or "replacement boards" etc to get an idea if available and at what cost.

GOOGLE is a very valuable tool and a lot of people post questions here that they could easily find the answer to with it.

Let me know

Mar 17, 2012 | Televison & Video

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50px1d-uc When I try to turn it on, the red power light blinks, I hear a click, then the light turns amber then back to red. Usually I'd hear the click then it would turn green and the tv would work...


I came across this in a manual
-Without CableCARDTM : Illuminates red in
standby mode, Illuminates green when the
TV is turned on.
-Inserting the CableCARDTM : Illuminates
orange in standby mode, Illuminates green
when the TV is turned on....
You might want to check your cable card. It seems to mimic your problem. Try taking the card out and gently clean, with a dry cloth, the contacts/strip. Then take some "canned air" and blow out the card socket from the side to dislodge any accumulated debris.

Oct 13, 2011 | LG 50PX1D 50 in. Plasma Television

1 Answer

32'' Panasonic television. Power switch does not turn the set on.


1 It appears that connecting cable is faulty. Normally when you connect and push the power switch the standby light should lit. Try the cable on another appliance and see its function. Also switch on the TV and try to switch it on with your remote control.

Nov 19, 2009 | Televison & Video

1 Answer

Pioneer 53


Unplug the TV for maybe 10 minutes, then turn it on. Sometimes these units simply need to recycle. If that doesn't work, you've likely got serious problems.

Apr 11, 2017 | Pioneer SD-533HD5 53" Rear Projection HDTV

2 Answers

LG DLP RU-44SZ51D Lamp Indicator blinks red


44 inch lg dlp hdtv no picture or sound press power button standby light turns yellow and then back to red

Mar 04, 2009 | LG RU-44SZ51D 44" Rear Projection...

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