Question about Philips Projection Televisions

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I have a Philips 23pf9946/12 LCD tv. The problem is a black vertical strip, possibly electronic, which appears 1/3 from left hand side of screen and about 3" wide. If I switch off the set for 1/2 an hour and switch it back on it goes but appears 20 minutes later, first as a broken signal and then solid black strip. Any solutions welcome. Chris

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6 Suggested Answers

wyoed1
  • 211 Answers

SOURCE: green vertical lines on the screen

Sounds like you may have some bad filter capacitors in the convergence board. Better take a close look at them before they damage the chips. Good Luck
Ed
NC Electronic
Mills, Wyoming

Posted on Jan 07, 2008

  • 121 Answers

SOURCE: lcd tv picture,on start up

is this a rear projection tv? a table top one? how old is it because if it's over a few years old, then it sounds as if the bulb may be going out but without having more info, it's hard to give an accurate advice.. please let me know if this helps..

Posted on Feb 27, 2008

  • 208 Answers

SOURCE: Green spot / glow in center left side of Panasonic PT-61LCX65 LCD Projection HDTV

This unit has a chonic issue with corruption in the eeprom that causes spots and shadows. The correction is to find some service center that has the jig to hook up to your unit and correct the eeprom. This is an extended warranty issue with Panasonic and if you contact them they should be able to refer you a qualifed service center and Panasonic will pay.

Posted on Apr 08, 2008

SOURCE: Samsung DLP vertical black lines

I did some reading on this. They said its caused by a faulty DMD board. I understand it's costly... around $700 to replace. Still looking for a cheaper avenue...

Posted on Aug 30, 2008

  • 1 Answer

SOURCE: Sony KF50WE610 Vertical Blue Lines Across Screen

the vertical blue lines indicate some interference from other electronic gadgets near your tv. it started showing up on my sony grand wega when i installed my wireless modem. i almost ordered a new rear projection lamp costing over $100 but decided to experiment. i first moved my desk computer farther away from the tv then isolated the wireless modem router by placing it inside a small glass - the vertical blue lines became lighter in color so i dedided to find another small glass that fit inside the first glass container then put the router in the double glass - no more blue lines and my wireless modem router still works.
do some deductive thinking to figure out what's messing up your tv and isolate the interference.
good luck!

Posted on Jan 19, 2009

tvtek
  • 1284 Answers

SOURCE: I have a 56" DLP Samsung (HLR5668W) Right side goes solid black

The color wheels will never fix an issue like that. The only things that will cause that issue is a bad DMD board which is part of the light engine or the digital board which is not. Freak Squad need to replace the digital board.

Posted on Sep 10, 2009

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Sounds like you may have some bad filter capacitors in the convergence board. Better take a close look at them before they damage the chips. Good Luck
Ed
NC Electronic
Mills, Wyoming

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