Question about Toshiba 56HMX195 52" HDTV DLP Projection TV

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My tv has a great picture on the top half of the screen, the lower half is snowy, fizzy, and double vision. I bought a new lamp, but that had no effect. What are the most probable problems and parts effected and how do I locate the said parts inside the tv.

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DMD board is the source of your problem. I am damn sure. DMD module contains the DMD chip that reflects the light onto the color wheel. It consists of a large number of digital mirrors. If the mirrors in the lower half fail, then you will encounter problems like snowy screen. It can be easily identified by means of a large IC on it and a fan on the board itself. Should cost you around 200$-300$.

Posted on Aug 26, 2010

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Picture on tv screen showing only half picture bottom of screen blackpicture only showing about 6inches at top of screen


good day sir
your problem is on the back light of your TV..the upper side is not function because the back-light lamp is busted and the lower part is good so you have to do is replace the upper side..
I teach you to do that
first,remove the cover of your TV by removing all screw at the back side then you remove the plastic cover of unit
secondly,when you see the inverter board,power supply and main board remove it
thirdly,remove the steel cover of the LCD screen to see the back light bulb or lamp
and finally, after you see the lamp replace it with a new one only the top side lamp is busted so that's the only lamp you replace
thank you

Apr 03, 2011 | Televison & Video

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Hi everyone! I have a pioneer pdp-5071pu 50'' plasma. I'm having a screen/picture problem. 2/3 of the screen is good picture (top),then just below half screen there are two grainy green lines, then...


The Y Lower buffer is the most likely culprit. I would first try to firmly tap on the TV... about 3" below the center line on the right side front (not on the screen but right next to the screen). The Y Lower connector is there and it could be just loose. I have a Philips 50" plasma that the lower half went out and a gentle tap fixed it once. I took it apart and tightened the connectors by loosening the screws and pushing the Y Lower buffer toward the Y Main board while tightening the screws back. No problem with it since. But sometimes the buffers go bad on these units and need to be replaced. Some people replace the upper and lower at the same time while others say just replace the bad one.

Good luck and let me know what you find!

Oct 13, 2010 | Televison & Video

1 Answer

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Hi,
I saw your tv pictures at above mentioned website link.
It is LCD Panel (screen) problem, call Sony and ask for warranty cover to replace lcd panel.
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1 Answer

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Good Day, turott1;

You need repair in the convergence circuit, purchase KIT 10. You can buy this at B&D ENTERPRISES, at 1-800-458-6053.

Good Luck, big IRISH.

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1 Answer

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Red convergence IC is bad...replace both STK IC for durable,
long-lasting repair..............................T.

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