Question about LG 42LC2D 42 in. LCD HDTV

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Colors are flickering and the TV is dim.

The colors are flickering and then goes dim even though I try changing the colors setting.

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This is due to an internal problem such as bad capacitor or I/C (integrated circuit)
An analog tester or ohmmeter would be needed to test for the faulty component causing this problem which is quite common in today's electronics.

Posted on May 13, 2010

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Posted on Jan 02, 2017

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My emerson lc401em2f is flickering with different colors almost like arolling-flickering? how can i fix it?


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Flickering can be adjusted. Type in the keyword "Flickering"; in the search box, at the top of the display window, to get gathered related posts.

Mar 07, 2015 | Emerson LC401EM2F 40" Inch LCD Full HD TV

1 Answer

I have a Vivitek RP51HD41-A TV. The TV keeps turning off and on. The color and sound is fine. I have replaced the lamp and this has not fixed the problem.


If its a DLP it may have a color wheel which could be your problem (the colors will change etc)

Color wheels move at high speed and if slow down set will shut down.

The wheel if there will face the lamp. If often if failing will make a high pitched whine or a fan like sound.


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May 29, 2012 | Vivitek V37655 56" DLP TV

1 Answer

Rear projection tv colors flickering


Two types or more of sets: regular TV sets with a picture Tube, big rear projection sets, Plasma, LCD, DLP

A model number would allow me to give you the answer--I suspect you have a set with a picture tube(regular tv)

Let me know which so I can try to give correct answer.

Mar 28, 2012 | Televison & Video

1 Answer

I have a Philips dlp60pl...the picture flickers and the color turn red to green then back to normal color, could this be the bulb.


No.Do the tv pictures colors back ground flashes black and white when this problems happen?Ur tv now make any humming sound or motor noises?Yes,than the tv colors wheel it is the causes and the problems.The tv colors wheel it is dying and starting to be worn out.The tv colors wheel itself it is starting to come out of the spinning motor axis.The tv colors wheel have to be replace to fix this problems.The tv colors wheel sit way back of the tv,must have to take out many mechanical parts before u can even come to the tv colors wheel itself to replace it.If u have no mechanical skills don't tries to replace the tv colors wheel ur self.Hire a tv Tech. to replace the tv colors wheel it is ur best bet.

Sep 24, 2011 | Philips 60PL9200D Projection Televisions

1 Answer

My Smasung projection TV keeps flickering, also every hour or so the screen turns to a green flicker. I have to unplug the power cord and that temporarily fixes the problem. How do I stop the flickering?


The tv colors wheel is dying,replaced the tv colors wheel,will solved this problems.Hire a tv Tech.to change the tv colors wheel,it pretty hard to change the colors wheel in this tv.Because u require take out many machanical parts before u even can come to the tv colors wheel itself to change it.

Nov 08, 2010 | Samsung HLP4663W 46" Rear Projection HDTV

3 Answers

High frequency noise


Hi. The most common cause for this is the color wheel. Replacing it requires removal of the engine/optical block. I'm not sure of your level of expertise but if you want to give it a try go to this website: http://www.jangro.com/electronics/samsung-dlp-replace-color-wheel/ It'll give you some idea of what you're up against. It is similar to what you'll have to do but I don't think your chassis is exactly the same as this one so some things will look different inside.

Sep 11, 2010 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

Black and wight picture


The tv have a colors wheel.The tv make humming,buzzing motor loud noises or flickering black and white pictures.The colors wheel is dead,require changing,bcause of the colors wheel axsis rubbing on it sides or worn out,than have black & white pictures.Hire a tv tech, to do the job.Because changing the colors wheel is not easy.Require take out many machanicals parts,before even can change the colors wheel it self.

Sep 01, 2010 | Samsung DLP HL-P5663W 56" TV

2 Answers

Monitor flickers with changing colors making it almost impossible to see anything, it started & stopped for a while then after maybe three weeks after it started again ! I tried disconnecting & changing...


I suggest upgrading the OS on these problem terminals to the latest on the wyse website. It might be an incompatibility with the monitor and terminal (might have been fixed in later builds), in which case you will need to log it with Wyse directly, as they will need to test this.

Chances are though you either have a faulty monitor cable, a faulty unit, or faulty monitor. Perhaps even a combination of more than one of these above problems. Try to rule out each bit of hardware before blaming anything in particular.

Try a few different monitor resolutions, colour depth and refresh rates too. Cant hurt :)

Mar 31, 2009 | WYSE Winterm S30 Network Terminal

1 Answer

TV grinding noise


A grinding noise in that model usaully means the light engine is defective or it could be the color wheel. But light engine is most suspect as there have been some issues with the light engine assemblies

May 11, 2008 | Televison & Video

2 Answers

Vertical flickering color lines instead of pictures


Take your set to a qualified tech you have a bad vertical ic or some cap around the vertical section is not filtering the voltage properly and your deflection yoke could also be bad.good luck.

Mar 16, 2007 | Sony PFM-42X1 Plasma TV

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