Question about Optoma HD70 DLP Projector

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HD70 additional information on vertical problem

I ended up taking a closer look today and played a blue ray movie. The black line in about 2 inches wide and goes completely across the screen. It is like that portion of the movie is blacked out almost like dead pixels on a computer monitor. I am a software engineer and I could probably do some of these repairs myself. I just need a knowledgeable person walking me through the steps. I would be glad to pay for all advice given to walk me through the repair...



Tony

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  • Master
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Well the vertical ic on the main board need to be replaced....
the will need de-soldering the chip and replaced by a new one

Posted on Jun 02, 2008

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6ya6ya
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Why are the movies half screen?


Movies that are created for "Wide Screen" viewing show up in letterbox on your TV. If you go to a theatre you notice it is a big rectangle. To be able to fit all of the widescreen movie on a TV it has to make the height smaller.


Because many people want to see the "complete" Movie, the "Letterbox Format" came about. I do NOT know what the word "Letterbox" actually means, or how that term was chosen. To get the complete Rectangle into that Square, they discovered that they could shrink the entire rectangle to fit that square. Meaning, what used to take 2 inches on your screen, now may only take 1.75 inches. Now a problem arrose. When you shrink the WIDTH to fit your dinky Square of a TV, the HEIGHT also has to be shrunk along with it, or else you're stretching the image as if it was on silly-putty ("Compression"). When the image was shrunk to fit the TV Screen, they were left with a gap at the top and bottom of the screen. So they simply fill it in with "Black". I guess the only alternative was to leave it snowy.

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My Sony Bravia KDL 40WL 135 TV has been flashing strange colors for awhile; today screen is black with a thin blue line across the bottom. No sound. Any help appreciated.


The vertical output section circuit has the fault. Contact any experienced service technician. This is not a user repairable fault.

Aug 10, 2012 | Sony Televison & Video

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Horizontal blue and black lines


Based on your information given maam, I can say that your LCD is not working well but sometimes it happens that there is a problem on its connection to circuit board..This is usually I encounter maam as a most experienced technician.Thanks.

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Will not play Blu-Ray


If the Blue-ray movie disc does not play then the Region Code of the disc does not match the Blye-ray player's region code. This is the same type of Region code locking as they have on DVD discs.
For Blue-ray region code information, check out this WEB site.
http://regionfreemovies.com/

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Avatar menu keeps poping up while the movie is playing


Make sure that the blu ray player is indicating that the latest firmware is installed on it. Press the setup button go to settings and down to version. Then record the version number. If it is the most current firmware version number after all call 800-237-4277 pressing 1 for all of the prompts. Inform the representative that with the firmware version number installed on your bluray player you are having this problem with Avatar. This helps because Sharp is
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Won't play the 2012 blue ray movie only the movie previews


dudes really simple as i couldnt watch 2012 amazing movie !
get a usb stick go to the site that is your make or model say for example: ( philips blu-ray bdp3000 go to philips and software and downloads after selected model )

download the firmware open as winRAR or documents u should see the choice of two folders select them both and extract them to your usb stick and done !
stick in your blu-ray player settings advanced software usb and download and wait should not take more than 2 mins for everything to be working !!!!

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Panasonic DMR-EZ48VEB When i play a vhs tape the picture is fine ,but as soon as i try to record the picture onto a disc a black line about 1 1/2 inch appears across the bottom of the screen??? HELP


are you recording from a bought movie? some recorders have a feature that prevents copyright infringement. some will have the picture dim and red.

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Tried to get internet


hi...please verify:
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  • playing blue-ray MOVIES disc, to check a possible problem with your reader .
if the blue ray movie doesn't work, you have got a possible problem with your blue ray dvd reader .
then, take it to an assistance center for hardware repair ..

thank u
rate me!!.

Jul 27, 2009 | Sony Playstation 3 (PS3) Console

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