Question about Panasonic PT-50LC14 50" Rear Projection HDTV-Ready Television

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Yellowing area on the screen

On the bottom left side of the screen, the screen has a yellow hue to it the size of a volleyball. Is there something I can do you stop this from spreading? Also, is there a way to get this discoloring off the screen?

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No, it is the plastic filter burning

Posted on Dec 03, 2009

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You need a new bulb...

Posted on Mar 12, 2009

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2 Answers

My Mitsubishi wd-62531 has a yellow hue over half of the screen. What do i need to do to fix it?


Not a cleaning issue.

The lamp shines into a OPTICAL LIGHT ENGINE, which has a series of lens and baffles---blue is the first part of the engine to get that light and heat---in your case the blue area is damaged from the heat----minus blue equals yellow.

The entire engine would have to be replaced--not a cheap part--Google the model number with "light engine" to get an idea of cost.

May be time to either use it as is or ?

SD TECH

May 26, 2012 | Mitsubishi WD-62531 Projection Television

1 Answer

Problem with sony 60" rear projection TV


Hi,
I'm afraid, it is problem of optical block unit (light engine) that produce picture by 3 lcds inbuilt, the blue lcd and its related uv filters become defective and causing this kind of blue hue on screen.
Complete optical unit block (light engine) will be replaced by qualified tech to get tv fixed, light engine is costly part so ask an estimate before sending tv in.
Thanks.

May 21, 2010 | Sony Grand WEGA KDF-60XS955 60" Rear...

1 Answer

A blue semi-circular hue on the bottom left of the screen


9 times out of 10 the Blue Polarizer heats up and discolors which causes that problem, all projector's have the same issue and have for years. My professional recommendation is get in touch with Sony, they have been extending the warranty's for this issue. If they won't the have a servicer replace the light engine of which is not cheap.

Jan 19, 2009 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

Sony KP-51ws500 Sagging Picture and blurred colors


Bad convergence Amp ics mounted to large metal heat sinks on deflection bd.Sony parts around $40.00 each-generic approx 12.00 ea.The board must be pulled out of chassis frame to unsolder the ICs.and some alignment will be needed after replacement.NOT a do it yourself job unless experienced at soldering and desoldering.

Jan 04, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Red Bowed Lines / Red Hue


I tried the solution that was posted for this problem and it worked!
Just remove the Low front panel by removing the two bottom screws that are covered by two screw covers, then remove the second panel (black) by removing the 4 screws then you'll notice a module with 6 adjustment knobs, get a small screw driver, and with the t.v. on, being carefull , and with somebody accross the room looking at the screen begin with the lower left knob and turn left very slowly and ask the person across the room to let you know if the screen is better or not, after this I had to adjust the green as well so, I adjusted the next knob over to the left. Do this adjustment carefully and try to remenber the original position of the knobs in case you have to go back.f
Good Luck,
Californian.

Jun 03, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Akai PT5492S 54" Rear Projection TV


Your set needs to have both Convergence ICs replaced they are Both STK392-010 you can get new ICs at the following link and they provide free step by step instructions with pics so you can do the job yourself which takes about 45 minutes. Heres the link.
http://servicemanuals.vstore.ca/

May 10, 2008 | Akai PT5492S 54" Rear Projection...

1 Answer

Hitachi Television Yellowing on the screen


Suggest you call Hitachi and complain. There is an issue with all projection LCD tvs (not just Hitachi) was that the light engine assembly did not have enough vents for cooling. This translates in a green or yellow blob that starts small and grows larger because the LCD screen frame starts to deform with the heat. Guess they did not test with young kids in the house and the tv on more than it is off :-). In March I managed to get Hitachi to pay for the part and I paid for the labor to get this fixed (out of warranty). The new light engine supposedly is better at cooling though I do see a faint 1/4 inch band of green at the bottom of the screen. Blackburn Electronics in Anderson IN has fixed many of these in the Indianapolis area.

May 06, 2008 | Hitachi 42V710 42" Rear Projection HDTV

1 Answer

Yellowing screen off-center - not a convergence issue


You might want to try the optic lens adjustment screw on the side of each crt. Mark them before moving.

May 30, 2007 | Philips Magnavox 51MP392H Rear Projection...

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