Question about Philips 55PP9401 55" Rear Projection Television

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Convergence problem Convergence has gone bad on this TV and when I use Intelisence to automatically correct this problem, I get code 4. I saw another post similar to this and the advice was to replece two convergence amplifiers and resistors around it. But I don't know where these amplifiers are on the mother board. Can you please help me to locate them with a picture or schematic. Thanks, Rickchaud

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  • Rchaud Sep 22, 2007

    I like to clarify what type of convergence problem I have:

    I see a slight shadow around picture and numbers, otherwise everything good. The TV is watchable!

  • Rchaud Jan 26, 2008

    I don't need any help on this TV. I bought a new one and gave away the bad one.



    Thanks.

  • Anonymous Dec 01, 2008

    Philips

  • Anonymous Dec 01, 2008

    Same problem Philips 60PP9401 -- When we run intellisense it gets stuck on red and a green code 4 comes on the screen? Anyone know what the problem is now?



    Thanks Mike

  • rachnmike Dec 01, 2008

    Philips 60PP9401 -- when we run the intellisense it now gets stuck on the red and a green code 4 appears on the screen?? Any one know what the problem is now? We already replaced 2 board convergence pieces with the updated ones

  • Vista Electronics May 11, 2010

    Do You still need help with this repair ?............T.

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Thank You for using FixYa !

Posted on Feb 13, 2008

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1 Answer

My rca d52w26 convergence is gone.


Look in the on screen menu for convergence and if it is not there you have a open ( bad ) protection part on the main board, a kit exists for most of these sets for this===buttons alone will not likely help here.

the convergence menu missing is a result of this and the part in question is often bad because of bad solder connections.

If you need more info let me know.

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1 Answer

I have a Hitachi 43UWX10B that won't turn on. When I try, the red power light flashes, and I hear intermittent chirping. Any way to verify the problem and estimate repair costs?


Your convergence chips have failed.

Sometimes when they fail the TV will look 3D or distorted and sometimes it will just loose video and audio and chirp.

This is a common problem. Your convergence has gone out.

Common symptoms are...

1) 3D Video
2) Warped Video
3) Convergence menu does not adjust the red or blue correctly. 4) TV Chirps

Go here for a solution...

http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

Sep 05, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Have a hitachi 50v500, see double images of people.


This is a common problem. Your convergence has gone out.

Common symptoms are...

1) 3D Video
2) Warped Video
3) Convergence menu does not adjust the red or blue correctly. 4) TV Chirps

Go here for a solution...

http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

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1 Answer

My TN55X81 is showing the same problem.


Replace the IC's with STK 392-110T.
Toshiba has a Service Bulletin on this problem.

Aug 01, 2009 | Toshiba TN61X81 61" Rear Projection...

2 Answers

Color convergence on Hitachi Projector TV


The color has gone crazy on you because your convergence IC's have gone bad.
These IC's operate at a very high temp, and usually only last 4-5 years. 
If you remove the back of the set, you will want to look for the BIGGEST heatsink in there, on that heatsink, you will see 2 lage IC's , probably STK392-110, or STK392-120's or something close...regardless - you can go on ebay to order the new ones, but MAKE SURE they are Genuine SANYO IC's and not counterfiet cheapies. the cheap ones may only last 2 months..
You will also need some "Heat transfer paste" - you can pick this up at radio shack.
Once you remove the old IC's, test all the large resistors near them.. pull one side of the resistor out of the board so you can check it out of circuit. they will usually have the value in Ohms, printed directly on the resistor, but you may have to use the resistor color code to find out what value they are....However, usually if there is any damage, the resistor will look like it has been HOT or fried. replace the IC's and any bad resistors, and you should be good to go.
If after replacing the IC's and any defective resistors, the convergence is still bad, make sure to use a multimeter to check ALL fuses on the boards, --- sometimes when the IC's go, they will take out a fuse to the convergence power supply. If you find any bad fuses, replace them accordingly!
Hope that helps!

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1 Answer

Blue shadow above writing and pictures on screen


it sounds to me like your convergence boarde is bad and needs replaced

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2 Answers

Convergence


corbey1984,
Look for bad pico fuse feeding B+ to convergence amps,two are
hiding under the heatsink amps are on, more fuses in power supply ...............................What part # did you use and what price / mfr. ?.............................T

Cris1983,
please verify your model number on back of your tv..........T.

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2 Answers

Philips 55PP9401 no sound no picture


When Replacing the (STK'S Power Pak) for this set you must use OEM parts. After market I.C. will not work!!! They will give you problems like you are discribing. D,TV

Dec 14, 2006 | Philips 55PP9401 55" Rear Projection...

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