Question about Philips 43PP9202 43" Rear Projection Television

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Color convergence on our Phillips 46999302/17F

We have a blue "shadow" in the bottom left and a yellow one in the upper right corner of our television. We attempted to use the color convergence from the remote with no luck.

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  • Anonymous Jan 19, 2009

    orange screen

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  • Philips Master
  • 3,459 Answers


If you are not able to adjust the convergence using the remote you need to replace the convergence chips. 

Typical Symptoms

1) Convergence menu does not work for one or more colors.  
Example: RED moves up,down, but left or right fails. 

2) Screen is bowed looking.

If you have one or more of the problems above you need to replace the convergence chips. You can get a kit and instructions from www.TvRepairKits.com 

Posted on Jan 11, 2009

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If you have not already done so go into the picture menu and set the convergence. The convergence is the angle at which the three picture tubes meat at a given distance. The tv will have at least 3 and up to 64 convergence points, and those 64 can be set for all three colors. This can be tiresome but I'll be it will solve your problem. What your trying to do is get the color in the cross-hair so you cannot see the color behind the target. On top of the fine setting for each point and color you will probably have 3 gross adujustments for blue and green and maybe red. These adjustments will affect positioning, like what you are discribing. You should do this at least every month, the thermal cycleing of the lamps is what will cause this to creep out of adjustment.

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You need to replace both convergence ICs they are both STK392-110 you can get replacement ICs at the following link with free instalation Instructions with pictures. Here is the link.
http://servicemanuals.vstore.ca/

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High Voltage Capacitor? Leave the set unplugged for 1/2 hour most components will selfdischarge, as for your problem, being a Magnavox, you have one of two problems, the convergence I suspect is what is blown out, this unit probably uses STK392-110 Ic's, I would suggest replacing with STK394-160e chips as they are probably shorted, some of the big resistors (1 or 2) may be opened up also, usually they change color. The only other thing that would cause usually a yellow color in the corners is the CRT Fluid, it changes from clear to Orange in color and clamps off the blue color from the fringes, I suspect the chips need replacement, dont forget to put some heatsink dope behind them, they are usually on the left in the front of the set (from the back) Big long heatsink that is fairly tall (probably the biggest heatsink in the set.) Good luck, and the repair usually runs around $350.

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I have the same problem and now there is convergence problem with the entire screen, double images and ghosting ...i was told that some IC's are burned our ...etc..i'm waiting to see if they sell the entire board since the TV's are 10 years old... will let U know what i get as a response.

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