Question about Samsung HCM4215W 42" Rear Projection Television

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Ghost like shadows

My screen has a ghost like shadow, like the colours are not all in,with the remote can adjust but the red will not go in to line all the colours up

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It seems your TV Samsung HCM4215W has problem in convergence board and need to be replaced.
You can get that board from Parts Store on $76
If you have bit electronics knowledge and know how about tv repair, you can replace it by yourself or get help of local tv tech person.

Posted on Oct 06, 2008

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Posted on Jan 02, 2017

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Why is there ghost printing/shadows on my xerox workcentre 7335?


Suresh,
You don't say if the ghost is a particular colour, by ghost I suspect you mean similar to a drop shadow.
Firstly run off an internal test print, one of each colour if the grid lines are fine and showing no signs of shadow then your problem is not an internal problem. Don't send a C,M,Y,K test print from your computer, you can't eliminate colours that way.
If you can pin the problem down to one colour it could be a particular drum unit. Investigate from there.
Good Luck.

May 03, 2015 | Xerox Workcentre 7335 All-in-one Laser...

1 Answer

HITACHI 57UWX20B has blue ghost shadows how do I


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

7859b01.jpg

e87380c.jpg
Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Jan 05, 2010 | Hitachi 57UWX20B 57" Rear Projection...

2 Answers

Red ghost image or shadow


It sounds like the color wheel has gone bad and needs to be replaced. This is located behind the back panel... replacing a new colour wheel will solve ur problem

rate me

Jun 11, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Green cruve line


Good Day;
Suspect Convergence IC's STK4274, part Number 2003191. Replace all three IK04(red), IK05(green), IK06(blue).
Good Luck, big IRISH.

Aug 30, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Mitsubishi rear projection tv


replace vertical IC and shadows/ghosting the problem is either electrolytic capcitor or video IC or convergence adjustment

Aug 18, 2008 | Mitsubishi WS-65809 65" Rear Projection...

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...

1 Answer

Blue shadow


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Nov 25, 2007 | Toshiba 53AX61 53" Rear Projection...

2 Answers

Shadow problem


Im sorry i dont understand what you mean"I have a shadow on my picture"??? Please be more discriptive? Thanks . Maybe a picture of it??

Jun 27, 2006 | Hitachi 50V500 50 in. HD-Ready LCD...

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