Question about Panasonic PT-40LC12 40" Rear Projection HDTV

1 Answer

Red dot in the middle of the picture

Looks like a red 2inch circle light when the picture is on in the center of the screen

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  • rusmfes Nov 26, 2008

    Looks like red spots in several locations on the sccren.

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1 Answer

That because there is debrea on the lens

Posted on Sep 11, 2008

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Big red circle in the middle of the picture


Your light engine is bad and needs replaced. I have a tip at http://www.fixya.com/support/r4251975-replace_dlp_light_engine which explains the problem, how to fix it and where to get the parts. Let me know if you need more help. Thanks for using FixYa and for the great rating.

hardrocko

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1 Answer

Non convergin "dot"


This is a very common failure on Projection sets. Its called a convergence problem.
You may have one or more of the following symptoms.
Screen looks 3D
Colors don't line up
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed or warped.
No Audio / No Video - Makes Chirping Sounds
You can see some examples and find a fix here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Hitachi 55vs69a yellow blob in center


you most likely have a bad light engine.

Aug 20, 2009 | Projection Televisions

1 Answer

Red circle in middle of screen color is way off


You have a problem with the light engine. Hitachi has extended the warranty on some of these. This is a major expense with major labor charges. Better get in contact with a local Hitachi authorized repair facility.

Apr 30, 2009 | Projection Televisions

1 Answer

Yellow hue circle in middle of screen. after leaving tv on all night


spherical or oval shaped light starting in the center of your picture is an indication of an led backlit tv.. probably a hitachi. solution, replace light engine..ps no garuntees not with led backlit sets.. was bad idea to begin with. when the leds start going they start at the center and branch out.

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1 Answer

Two blue dots on the screen


its sounds like the guns has burnt your yube, when switching of does your tv show a bright circle in the middel, or while watching. Smack your tv on the side while on see if the picture goes away or make a bright circle in the middel, this is caused by a bad solder joint but you wont get rid of the bunt pixels sorry.

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2 Answers

Light Blue Circle in Center of the Screen


Hello BruceD,

What you may have is a magnetism problem. I would suggest that you try deguassing the CRTs first before looking into replacing the CRTs. You can have a TV technician perform this for about $50.00 - $60.00.

Thank you,
Shuttle83

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