Mitsubishi WD65737 65" DLP TV Logo

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Sandy Cardella Posted on Apr 08, 2016

The picture is dark. We replaced the lamp a year ago. I did a reset and it did no good

1 Related Answer

salt56

TV Doctor

  • 373 Answers
  • Posted on May 24, 2011

SOURCE: The lamp has just been replaced and now the tv

Did you press the System Reset button with a ball point pin on the front of the set? You might have a ballast going bad if it has never been replaced. But first, the reset button then you may have a thermal switch which is located just above the lamp housing. I test the thermal switches by unhooking (while set is unplugged) one of the wires and then putting an alligator clip jumper between the two wires to see if it last longer than the 30 minutes you mentioned. Lastly, there must not be any dust in and around the fan which can cause overheating. Sounds like you have an overheating problem initially. The thermal switch cuts the set off if there is overheating. And also if the switch is faulty it will cut off the set. Also look in the menu for a temperature setting if this model has a setting such as this.

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Your color wheel is going out and needs to be replaced. Toshiba does not list a part# for the color wheel. They expect you to have the whole light engine rebuilt. You should be able to find one on ebay. Or other sites like that. Good luck to you.
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its probably the lamp going bad. dark picture is a pre-cursor to failure. these lamps are supposed to last 2-4 years but for some reason the mitsubishi ones never do. you can replace the lamp yourself, and if it is going bad, you can cool it down, pull it out, and you will see it will look kind of bulged or white in the bulb part. instructions are in your user manual. if it is under a year old, mitsubishi should still cover it. if its just over a year, you can try to call them and complain and maybe they'll back it up. let me know if you need further assistance.
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My 61" hitachi rear proj has a very dark picture.

It sounds that lamp in TV is weak and not throwing enough light to bright the screen for good image.
How old is this TV and did you replaced its Lamp recently?
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Picture is dark

Adjust video settings:
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  2. Select Settings
  3. Highlight Video
  4. Press + to select
  5. Adjust/increase the brightness.
  6. Press Wega gate to exit.
If picture is still dark, you need to replace the lamp again. Sony recommends that you replace the lamp:
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  3. When the lamp indicator on the front of the TV flashes.

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For dark picture I need to ask one question, How long ago you replaced its lamp? one year, two years?

Picture brightness is depends on lamp in LCD rear projection (DLP) TVs and if lamp got weak in generating light, you will see dark picture.

I would recommend to replace lamp and buy Sony original lamp from Sony Accessories Store.

Required lamp part number is as follows..
F93087500 LAMP BLOCK ASSY XL-2400
and price is $200
Good luck.
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Hi,

If the Lamp condition is okay then check the FE lens just next to the lamp in the projector after removing the lamp out of prj. replace if that is burnt.otherwise replace Lamp.

Viren
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