Question about Samsung PCH521R 52" Rear Projection Television

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PICTURE BEHIND THE PICTURE, THERE'S LIKE 2 "GHOST" PICTURES - WHAT'S THE PROBLEM?

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  • 2121 Feb 11, 2008

    Maybe simular, the red will not line up on the convergence adjustment, in return I get red ghost

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PLEASE DO NOT SHOUT!! Your problem is the STK391-020 convergence IC's on the convergence board. If you have some electronic ability, you can pull out the convergence board and send it to ptscorp.com for an overhaul or replace the convergence IC's yourself. Good Luck

Posted on Dec 04, 2007

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1 Answer

GHOST PICTURE


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Ghost image arcs over picture


This tv have a convergence problems,it dead.The covergence board the 2 STK convergence ICS and some or all it resistors are dead.All these parts must be replaced to solved covergence problems.The shop will cost U $300-350 for parts and labors.

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Shadows and not so bright picture


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1 Answer

Blue Ghost


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2 Answers

Shadowing


GOOD DAY ND GOOD LUCK;

TRY THIS, IT WILL CORRECT CONCERN:

50V500 ONLY
GHOST: May be described as "Out of Convergence" but ghost is still attached to main image.
CONDITION:
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.
CORRECTION:

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
  1. BEFORE CONTINUING: CONFIRM THAT THE R, G and B DRIVE ARE SET AT 40.
  • 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).
03b_ghost_image03.gif
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
  5. I HOPE THIS WAS HELPFUL, big IRISH.




Jul 26, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

2 Answers

GREEN GHOST


If you want to adjust focus and screen there is a focus block some sets they can be found on the front behind the gril then behind a cut out held in place by screws if not check from the rear. But a ghost like you say sounds like a convergence problem

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