Question about Philips 55PP9401 55" Rear Projection Television

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Convergence problem pictures and letters appear doubledand shadowy

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  • stonestour69 Oct 04, 2008

    1. blue distortion 3d effect



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Most likely u have to change the convergance ic's that is the first thing u do and it should work if u are not loosing any vert or horiz drive going to your convergence ic now there is one other thing that the have on the bigscreens if it is a magnavox they take the horiz drive from the if board it has a mirco chip on it that seends the horiz blanking p to the convergence board. hope this will hp

Posted on Oct 13, 2008


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Related Questions:

1 Answer

Shadowing of picture

A shadowy or 3D image is caused by the convergence not being aligned. If your model has a convergence menu goto it and see if you can adjust the colors so that they are all straight and aligned. If so the 3d shadows will go away. If however it wont adjust the convergence has failed and would need to be to repair the TV yourself or with a company. Convergence repairs are common a fairly easy DIY fix.

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2 Answers

Blurry picture

Sounds like convergence failure. (Colored shadows of images.)

Apr 13, 2010 | Televison & Video

1 Answer

The picture is blurred and shadowy on the left hand side

This is a common problem. Its called a convergence failure.

Problem #1) Convergence


  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...


Feb 18, 2010 | Televison & Video

1 Answer

Picture fades colors get bright and shadowy

Its not a "capacitor" problem. Does the picture look like its in 3D, ie colored ghosts around images? If so, its a convergence failure. You'll need to replace the convergence output ICs and a couple of fuse. Also, there is a jumper connection that needs to be re-soldered or it will happen again. You should probably contact a Toshiba authorized service center to resolve this. Expect to spend $400-500


Feb 14, 2009 | Toshiba 50HX81 50" Rear Projection...

1 Answer

RCA R52WH74 52 in Blue & red in picture are shadowy Picture concave/convex

try goin to your menu and find settings ,,go to convergence,,if u got it ,,it may fix it,,it realines the colors,,good luck with that

Oct 06, 2008 | Televison & Video

1 Answer

Shadowy images

Send me more information, but of what I understand from above, either convergence needs adjusting OR dusty mirror and lens behind screen.

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2 Answers

Picture gets red, and shadowy.

sounds like a convergence issue. the conv. amps may need replacement. it.s best to hire a tv guy to make proper diagonostics and repairs.

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1 Answer

Hitachi 50 Rear Projection TV

You most likely have a convergence issue as with mist projection CRT based televisions.

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Distorted Color and geometry of Picture

I've posted this solution several times but here goes. Try setting up the convergence through the menu by accessing the convergence setup menu. If this fails to work you have a bad digital convergence box and need a tech to replace it. About $60 to $100 fix.

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