Question about Philips ProScreen 4600 Impact Multimedia Projector

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Green vertical line

A green line to the right of the picture and looks like the picture is in 3D

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  • brodytcrouch Jul 04, 2008

    these are pics of what it is doing

  • Anonymous Nov 28, 2008

    Philips ProScreen 4600 Impact multimedia projector



    ik heb hetzelfde probleem heeft u al een oplossing gevonden

  • tradewindcoa Jan 09, 2009

    I have the same problem and major red lines over the rest of the screen. i purchased a service manual and opened up the machine. It does not look to me like there are any adjustment of mirror alignment that can be made by me. This just happened out of the blue.

  • MREmerton Mar 08, 2009

    Hi, 


    I basically have your problem, but MUCH more advanced (mine started out like yours).


    The picture below, shows the same screen (or what used to be) as in the photos above.


    My father believes this to be due to capacitors getting old and dying.


    In the OP's case and mine it *might* be the capacitor on the green LCD / sync which is dying.


    My father is an electrical engineer, and so when he has time, will open it up and probe a bit with a volt meter.


    I use this screen daily as a normal TV replacement, and even with this annoying problem (which goes away after 30 mins) feel that the 70" image is much better than my 28" crt ;@)


    Will post back once we have fixed/killed the projector!



  • Anonymous Apr 26, 2009

    same problem any updates on a fix

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5 Suggested Answers

SOURCE: green vertical line on the right side of screen

I bumped my screen by accident recently and now have a similar problem (multiple vertical and horizontal thin lines). I was told that the screen is now bad and probably cannot be repaired. The cost of replacement is more than the cost of a new set. Sorry, but that may not be the answer that you are looking for.

Posted on Dec 10, 2007

Coldcut
  • 1554 Answers

SOURCE: vertical line column

Bad news any lines like that mean the communication between the pixels and drivers is broken.
the glue has come loose.
Most will say it cannot be fixed
but there are tricks. it requires the panel to be taken apart.
Only a real tech can fix it.
Warranty time.

Posted on Jan 26, 2008

  • 1 Answer

SOURCE: Hitachi 57SWX20B 3D Effect due to green light convergence problem

I'm trying to fix the issue on my 43FDX20B. So far, I'm able to move the lines up and down, but can't get the left/right motion to fix it. The attached link has the dynamic mode instructions, so you can correct this issue yourself.

http://home.comcast.net/~leebailey00/Hitachi_DCAM_Manual.pdf

The only thing I didn't have was the screen overlay jig the manual talks about. I decided to create one myself and use the screen as a beginning template. I went to our local hardware store and picked up some home window weather covering. The roll cost about $15, is a clear strong plastic and the template was very easy to create. I used a straight edge after I put dots on the plastic and measured the lines for being square and equal after I took it off my tv. Good thing is that if you don't like what you make the first time, you have a 25' roll to use to try again (ha).

Posted on Mar 02, 2008

  • 1 Answer

SOURCE: Vertical green lines and Red/green shadows on the right side of the image

I have this problem on my CPX985w, almost exactly as you describe, I'm going to pull the main board out and check the capacitors, as that seems the likely problem, i'll update with what i find....

Posted on May 24, 2008

Slinteriors
  • 8617 Answers

SOURCE: Philips Rear Projection TV 43PP9202 Picture looks 3D

You need to replace both convergence ICs they are STK392-120 you will also need about four 6.8 ohm 1 watt resistors. You can get replacement ICs and resistors at the following link and they provide free instalation instructions with pictures. here is the link.
http://servicemanuals.vstore.ca/

Posted on Jul 22, 2008

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