Question about Philips 55PP9401 55" Rear Projection Television

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Alignment Skues downward

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This is a common problem with older Philip Magnavox projection sets. Over time one of the IC chips on the main power board begins to fail. You can find replacment chips and repair instructions on www.magnavoxhelp.com.

Posted on Jun 29, 2008

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I HAVE A TOSHIBA 43H70 I BOUGHT IN 2001 AND THE RED AND BLUE ARE OFF ON THE RIGHT SIDE. I HAVE TRIED TO USE THE CONVERGENCE BOARD TO STRAIGHTEN BUT MY RED WILLNOT MOVE TOWARD THE BLUE OR GREEN. ON NUMBER...


This tv the convergence board are dead.Any colors R,G,B mis alignment,don't matches any colors lines.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts are dead,must be replaced to solved convergence problems.The Shop will cost u $300-350 for parts and labors.

Jul 08, 2010 | Toshiba 43H70 43" Rear Projection...

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KP-57HW40 rear projection TV colors out of alignment and warped


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 04, 2010 | Sony KP-57HW40 57" Rear Projection...

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Green is way out of alignment


Need to have convergence board rebuilt, do not adjust anything this will make the technician charge more for the additional labor of having to "undo" your "repair" leave it for a professional technician, as it can be dangerous. we would charge at least $400 this would include readjustment. Millenium Tv - milleniumtvsvc@gmail.com

Jul 21, 2009 | Hitachi 51SWX20B 51" Rear Projection...

1 Answer

CONVERGENCE PROBLEM IN TOSHIBA 43H70


Replace both STK392-110 convergence IC's with Toshiba or Sanyo brand........no cheap junk IC's !!!.................T.

Aug 16, 2008 | Toshiba 43H71 43" Rear Projection...

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Convergence problem?


The convergence anp ICs are usually what go bad in that unit. They are two ICs both are STK392-040 and they are at board location ICZ103 and IZC103 on the Sub Board attached to large heat sinks. You can get replacements with free installation instructions and free on line tech support at the following link.
http://servicemanuals.vstore.ca/
let me know if you need further assistance.

Apr 10, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Hitachi 50UX26B Blue ghost problem


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

Dec 04, 2007 | Hitachi 50UX26B/27K 50" Rear Projection...

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Convergence


Replace convergence IC's.
RE-check alignment

Oct 23, 2007 | Hitachi 46F500 46" Rear Projection...

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Toshiba 42H82 convergence problem


Replace STK convergence IC's w/OEM or better parts.Senior tech soldering ability needed. Ex==Steel jumper wires feeding b+ to conv. IC's need resolder to prevent call-back.Also, best re-alignment done in service mode==consult service literature.

Sep 19, 2007 | Toshiba 42H83 42" Rear Projection...

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Color bue is off


Your convergence IC's are bad, possibly more parts, there is a convergence board that has most of the parts that fail, there was no power spike that did this, it is a common problem on CRT Projection TVs, especially HD Sets.

May 20, 2007 | Samsung HCL552W 55" Rear Projection...

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