Question about Hitachi 50V715 50" Rear Projection HDTV-Ready Television

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Hitachi 50V715 have a problem with yellow ghosting, several yellow shadows in a circle, very noticeable with white background. changed lamp no changes. HELP!!!

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  • redsled03 Nov 05, 2007

    have 4 yellow ghost bands going from top to bottom

  • lowls Nov 26, 2007

    4 yellow ghost lines on the screen. I replaced the lamp twice and the problem is still there. Any ideas of what it could be?

  • Baspiso Dec 11, 2007

    I have the same issue but have not changed the lamp. Looking at the posts so far it may not be the lamp.

  • rcprod May 04, 2008

    I have a yellow circle in the middle of the screen. I had it diagnosed to be the light engine. Hitachi offers NO help. I'm looking for some kind of class action suit. This problem has existed for several years and these sets should last longer than 2 years. $1000 for repair is disgusting. Anyone else?

  • Wayne Mathews Oct 03, 2008

    I changed my lamp and i have too much yellow and gren and i cant adjust it out....where is the answer one of you sid it would cost 1000.00 to fix but what is it they will fix??????

  • sman_41 Nov 30, 2008

    I have the yellow circle and it is geting larger. It is now covering the majority of my screen. Any thoughts?

  • rqarnold Dec 23, 2008

    Same issue here. Have a rainbow shaped yellow tinted area on the screen. I never noticed it until our son mentioned it seems to be all I see!



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This sounds like your light engine is going out. NOT GOOD! It all depends when you bought your set and if its under warranty. I had the same thing with mine bought is 2004, light engine died in 12/08 and was out of warranty. Talked to the rep. said they knew about the problem. They replaced my light engine for free but I had to have a authorized dealer install it . I had to pay for the labor $300, Now I've got another problem with it shutting down and back on.(That's another story.) I would call Hitachi and let them know that you know they have problems with this. Keep trying they may replace your to. To buy one out right is $400 to $500 plus labor, some folks have paid $800 to $1400 , That's a shame. Hope this is helpful. GOOD LUCK!!

Posted on Oct 23, 2009


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I just got this hitachi 50v500 from a friend. We had to have a lamp fixed, but now the screen is blurry, like the ghost shadow problem I've been reading about. The repairman who replaced the bulb said...

There is a specific method for ghost adjustment on the 50v500.

Ghosting is most noticeable on lettering or with the set in the 4X3 format the edges will look somewhat double or have a ghost.

If this is what you have: I have the process which is done with the Hitachi remote to correct this. I got this from Hitachi who published a service bulletin on this problem for this model.


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Pull back off and try to to see if there is anything arcing or where the popping noise is coming from. It could be the ballast board. This is the high voltage for the lamp. A arc(snap) would come through the audio. BE VERY CAUTIOUS IN THIS AREA BECAUSE OF HIGH VOLTAGE!!! Always unplug the set when pulling off wires or have your hand inside the set. Unless you are taking voltage checks and have a little electronics background. Hope this is helpful....

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First of all sorry for delay.
can you provide a image of yello shadow.I believe it seems to be technically say "ghost image"
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50V500 ONLY
GHOST: May be described as "Out of Convergence" but ghost is still attached to main image.
A "ghost image" appearing to the left or right of images in the picture. Can be varying shades of a primary color (red, green, or blue) as well as gray. Can easily be seen in the 4 x 3 mode, at the edges of the picture.

To correct the problem, please do as follows:
  1. Access I2C Menu. (See page 57 of the Service Manual).
  1. To enter the I2C Service Menu, with power off, (on the front control panel) press and hold the INPUT button. Then press the POWER button for two seconds. The following Service Menu will appear.
03b_ghost_image01.gif Figure 1
  • Be sure to press SELECT after each change to SAVE the new Data.

  1. Using the Remote Control joy stick, scroll down to next page (see Figure 2) until LCD ADJUST is highlighted.
03b_ghost_image02.gif Figure 2
  1. Move the joy stick to the right to cursor right once. The next page will appear with the word GHOST highlighted.
  2. Cursor right again, and a white screen will appear with a BLACK SQUARE in the center, as in Figure 3. You will see LCD ADJUST, followed by “SHP” and a number (value).
Figure 3

  1. If the unit is out of adjustment, you will see a gray ghost on either side of the black square. Move the joystick to the right or to the left until the ghost disappears. The number values will change up or down.
    • If the ghost adjustment is off with a lower value, there will be a ghost to the left of the square.
    • If the ghost adjustment is off with a higher value, there will be a ghost to the right of the square.
  2. Once you get the square to look good without ghosts, press "SELECT" to save any data values that have been changed.
  3. Press the "EXIT" button three times to return to normal picture.
  4. Adjustment is completed

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