Question about Toshiba 46H83 46" Rear Projection HDTV-Ready Television

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Zenith z44sz80 Dark picture

My tv was working great then suddenly the screen has gotten darker day by day it seems. What could be causing this problem? could be a lamp going bad?

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I have same problem. i replaced lamp but picture is still dark.

Posted on Sep 25, 2008

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Posted on Jan 02, 2017

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I changed the bulb on my Zenith Z44SZ80 and the TV picture is really dark and not bright like it used to be. The old bulb was 100w and the new one is 120w. I tried adjusting the brightness and contrast...


curthansen,

You should revisit the lamp by removing it and checking for any obstruction in the light path. When satistied that nothing is blocking the light path and if you still have low light levels I would contact the vendor and try to exchange your lamp for a new one. If the unit is still dim after installing a new, 2nd lamp, I would replace the ballast board assembly. I have a tip at http://www.fixya.com/support/r4977572-when_change_ballast_in_dlp_tv which explains the problem, how to fix it and where to get the parts at the best price.

Thanks for using FixYa and for the great rating. Please consider a testimonial. Thank You.

hardrocko

Jan 14, 2011 | Zenith Z44SZ80 Television

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Just bought our new acer laptop for christmas been working great but seems here lately that the screen has faded and gotten darker.


Hello,
If the screen is dark but still displays everything, then you would have to get your screen inverter changed. That's what is damaged.

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Jan 19, 2010 | Computers & Internet

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Dark shadow-like vertical streaks thru LCD screen (Sharp)


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I have a JVC tv only 1 year old and the picture is getting dark.


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Screen Brightness


Your ballast may not be up to 100% of its rated capabilities, thats often the cause when the brightness level gets to unwatchable levels. You may need to troubleshoot the ballast voltages a defective ballast can usually cause a lamp to loose about 60 % of its brightness levels. The other possibility could be the DLP mirrors need polishing but that is something better left to a repair shop as the DLP mirrors are sensitive

May 02, 2008 | Panasonic PT-43LC14 43" Rear Projection...

1 Answer

Dark TV picture


I have a tv with the same problem. I gained access to the service menu (using the remote) and was able to increase the brightness available from my regular remote menu. It may kill my tv quicker but it looks great now. To find out how to access the menu I did a search for 'jvc service menu' and found out what buttons to push. There are many warnings out there about the possibilities of ruining was was ok to start with, but I used particular care(pen and paper) to record the original brightness setting for my tv. best of luck and merry christmas

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1 Answer

Picture seems to be alot darker than before. toshiba 62hm95


I just replaced a lamp in a Sony LCD projection that was just over a year old and it was bad. It was a VERY dim picture. You have a DLP but, in either case a dim or dark picture is almost always caused by the lamp.

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