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Hitachi Model 50GX20B won't power up-is there a re-set button or would it be more complicated?

We have an Hitachi Model 50GX20B rear projection TV that won't power on. Is there a re-set button or is it more complicated

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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techman
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SOURCE: hitachi rear projection tv model 51uwx20b

You have a bad tuner or there is a capacitor bad in the color burst circuit.

Posted on Sep 09, 2007

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ctf1800
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SOURCE: cleaning tv screen of hitachi rear projection tv

http://serviceman.site88.net/index.htm

Posted on Jul 07, 2008

SOURCE: Rear projection HD Hitachi Ultravision always has greenish tint

This is what you're going to do, Turn on the Tv and go to the service manual, if the green tint is still there, you have a defective dmd board, but if it's no there, then you have an issue with your video board

Posted on Jul 09, 2009

  • 65 Answers

SOURCE: Hitachi projection TV does not power up

You probably have a blown 2kV capacitor and 2 amp fuse. Look for signs of black burning inside.

Posted on Aug 09, 2009

Ecollier2012
  • 3459 Answers

SOURCE: Red Alignment problem on a Hitachi 51inch rear projection tv

The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Apr 18, 2010

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You can download the instruction manual in PDF format by clicking this link.

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