Question about Samsung HP-R4252 42 in. Plasma HDTV

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Hitachi 42 hd projection tv

Question, I am having a ghosting issue with my tv. It does so with the picture and the information bar. I tried to adjust it via the converge option but to no avail. Im sure this is a common problem, I am fairly handy with electronics but have never touched the inside of a tv. What do you guys think the problem is and is this something I should try and repair myself as I am on a tight budget? Thanks for your help..

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Re: hitachi 42 hd projection tv

With out a model number to ref to just have to give this a stab. Sound like you are talking about a projection set that has convergance Ic failure, Hitachi put out a kit that has all the most common parts to repair you set, but there are about 4 kits and need a model number to get you the right one

Posted on Jan 30, 2008

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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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