Recently my toshiba 52HM84 has been displaying a black box over the center of the picture after having the tv on for a few seconds when receiving any analog signal. it does not have the problem when connected through hdmi or component
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Hi,do you hear any strange noises? If you hear clicking or like wanting to turn on it could be the board that powers the lamp it's called the ballast.Here's the instructions to replace it :http://www.fixyourdlp.com/guides/samsung/bp47-00033a.php Hi,If your tv is a dlp you might be experimenting a color wheel problem.The color wheel is a rotating disc that has a gamma of colors it spins at high rpms.The light of the lamp goes through it to create the colors on your tv.When it starts to go bad you will get color distortion ,black and white picture and sometimes you will hear humming noises. Also make sure everything is properly closed (door cover) if it's not properly shut it won't be able to light the lamp.Have a bless one!
This is a wild guess, but I believe that you are being **** by the movie industry. The HDMI protocol includes a form of DRM (Digital Rights Management) for high resolution content called:
High Bandwidth Digital Content Protection
Basically this means that the media (disk or broadcast) instructs the player (in your case the cable box) to insist that any downstream devices (your TV) is industry and DRM compliant.
Specifically this evil protection scheme is designed to plug the analog hole and make it impossible for you to record or copy the movie by using an analog output from your TV.
This even restricts the size of the TV you can play the movie on,
thus preventing pubs and bars from displaying the content on big screen TVs without paying royalties.
The message means that the manufacturer of your TV has refused to toe the industry line.
1984 Anyone ?
It's either signal board or light engine and unless you're really pretty good at electronics neither one is something you should tackle.
I do have the service manual for this unit and I would be glad to send it.. Just drop me an email email@example.com and make sure you include the model number as well as what it is you need.. I get almost 650 emails a day so it's really hard to remember who's email goes with what problem. :)