Question about Samsung HC-P4752W 47" Rear Projection HDTV-Ready Television

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Yellow and blue shadow on screen

Yellow and blue shadows on screen

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  • eebu Feb 15, 2009

    is this wire inside the TV?

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The yellow illumination wire not connected properly and brown ground wire needs new location

Posted on Jan 25, 2009

6 Suggested Answers

SD Tech
  • 14553 Answers

SOURCE: We have a blue and yellow shadow on the lefthand

IF you go into the customer menu and select convergence look to see if blue or red is skewed or will not adjust in some direction---you have a convergence circuit problem.

kp41T65 uses two of the STK-392-150 CONVERGENCE IC CHIPS.

Most likely only the chips will have to be replaced and the set adjusted with the Sony remote, considering you can buy a pair of the chips on Ebay for about 12 dollars plus shipping if you or someone you know can do the repair--you can save the set and a lot of money--most shops are going to get 300 or more for this type of repair.

If you are able to do the repair I can assist you with general instructions and what you will need to do it.

This kind of repair in the home usually takes about 1 hour--once it is fixed it will not have the same problem again for 5-8 years---lifespan of the chips.

If this information has helped you rate this solution as I do this here for FREE.

SD TECH

Posted on Nov 14, 2009

ctf1800
  • 4402 Answers

SOURCE: blue and yellow shadows

KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


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

Posted on Dec 05, 2007

jackboy
  • 2985 Answers

SOURCE: TV shadows

Check the proximity of magnetic fields. Large Speakers near the TV for example will cause colour distortion.

Posted on Dec 24, 2007

ladywinn
  • 5138 Answers

SOURCE: rear projection tv has got blue and yellow shadows

Most of the time when these TVs do this Light Engine has went out and has to be replaced.Its Listed as 600chassis Assembly-Optical/light Engine # 3141VSN918A Price at this company Encompass Parts they have 3 in stock $902.00 1-800-638-3328 You can call UED see how much they want for it 1-800-648-6657 and LOOK for one on E-Bay sometimes you can find them alot Cheaper their!

Posted on Dec 23, 2009

  • 51 Answers

SOURCE: my wega tv has small blue spots on the screen and

Hi

Please visit: http://sites.google.com/site/sonylcdrptvproblems/sonykdf-55wf655opticalblockreplacement

Do not worry if your model is not the same, it is still the same problem and cause.

Hope this helps

Posted on Jan 01, 2010

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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BLUE AND YELLOW SHADOWS ON MY PANISONIC


The model listed uses two stk 392-110 convergence chips---colors seem skewed or even 3 d like---I have start to finish instructions for this repair in this model--parts cost should be under 30 dollars total.

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I have small blue dots and a yellow shadow in the middle of my screen


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Let me know if you have questions.

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Replace optical block Call Encompass Parts
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Blue and yellow shadows appearing on my rear projevtion tv


The convergence IC's are definitely bad. This is not something you can fix yourself unless you know how to solder and are technically inclined.

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1 Answer

Porjector


Hi there

Is it a LCD or DLP ?

First try using a different cable. If the problem stil occurs this might be a faulty Mainboard - which would need either repair or replacement.

Does the discolouration show in the startup screen as well ?

Apr 17, 2008 | Office Equipment & Supplies

2 Answers

Blue and yellow shadows on TV


dear friend,
the problem of your tv is a burnt image!
solution: replace blue crt

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Needs convergence IC's replaced = part # STK392-110 upgrade
sub use STK394-160E. Replace both for reliability,then activate
auto-focus................................T.

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1 Answer

Yellow and Blue shadow on left side of screen


Blue convergence off = needs convergence IC's replaced =
Would you like step - by - step how to ??????

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