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I have plenty of black pixels with my optima HD 600x beamer

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You have a bad DLP/DMD chip. It is fixable under warranty or for a few hundred by your self.

Posted on Dec 06, 2012

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Posted on Jan 02, 2017

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T-CON or Panel issue HD Led TV

have tried to re-sit the flex or ribbon wires that connect to the T-Con board ? Remember some models have a very delicate ribbon cable that from from logic board to t-com board.

Feb 17, 2016 | Sony KDL-50W656A 50" LED TV 1920x1080, 200...

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The dead pixels on my beamer keep growing! Please help

how old is the car? Dead pixels is not something you fix, from the looks dead pixels is your issue, this is a result of prolong use and heat. you can replace the lcd with another that is compatible, thats another story.... but for now there is nothing you can do and it will continue to spread, to get the longest life out of your lcd try and see if there is an off button for the lcd itself, the more time it spends off, the longer it will last but there is no reverse button for this type damage- in case your wondering this may or may not have been prevented, try and keep lcd at a comfy temp, no prolonged direct sunlight etc and of course shut it off when not in use---- good luck... more questions? or I did not answer your question just let me know

Mar 29, 2013 | Office Equipment & Supplies

1 Answer

I have a black line down my ps50b430


As far as I can gather, your problem is to do with a full line of dead or stuck pixels.

Before you decide to take your Samsung plasma TV back to the shop (since it may still be covered by warranty), there are a couple of software that you can use in order to assess whether the pixels are really dead or just stuck (and attempt a repair).
Also, there are plenty of articles related to your problem on the net. Give this one a try.

Good luck.

Aug 27, 2011 | Computers & Internet

1 Answer

Hello if a connect a pc to the beamer, i only get a black screen. but in the right corner it does says that it is connected :S

plug the projector end of the cable into a monitor and check that the video is OK.
then reconnect to beamer
make sure the rgb socket on beamer is configured for pc and not component video input

Jun 19, 2011 | BenQ PB8250 Multimedia Projector

1 Answer

LCD projector (beamer) play all movies in black in white

Is the projector menu coming up just fine? if it is then it you signal. Try looking through the settings in the dvd player.

Apr 19, 2010 | Toshiba TDP-T90 Multimedia Projector

1 Answer

Black line (strip of pixels not working) horizontal across screen

If a whole line of pixels is dark, you've got a bad transistor in what's called a "Passive Matrix" display. For your future purchasing decisions, while an "Active Matrix" display costs a little more, it has individual transistors for each pixel, rather than one per row and column, so when a transistor goes bad, it only turns one pixel black rather than a whole row or column.

Sep 12, 2009 | Samsung LE40B650T2 40 in. Full HD Crystal...

1 Answer

Black line half way down the center of the screen,about 1.5 inche

There's a 'data control' and/or 'address' problem that's developed. Pixels depend on voltage, control, and data coming too their designated address.

A digital circuit feature called a 'DATA_ADDRESS_ BUS" are responsible for 3 criteria: Delivering voltage, control, and data to each pixel in less than a second.

1) If voltage fails the pixels don't light up. They appear black in color (their 'off 'state)....numerous pixels that don't light up look like a black line. But their actually individual pixels with no voltage.

2) If control fails then all pixels are white in color (their 'on' state). Without control the pixels can't adjust properly to high or low 'state', meaning brightness and dimness. This looks like a white line vertically on the screen.

3) If data fails then the pixels can't adjust to the proper color at the proper time.
This appears as a line that changes color out of sync with the entire picture.

Have a technician look at the pixel address registry circuits. As well as control and linear circuits....the problem is somewhere in there!

Jun 13, 2009 | Toshiba 42HP83 42 in. HD-Ready Plasma...

1 Answer

Reduced resolution

try to reset the camera setup or set to automode

Sep 03, 2007 | Sony Cyber-shot DSC-W80 Digital Camera

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