Question about Panasonic PT-44LCX65 Television

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Blue Spot I have had a bright blue spot on my tv for about a month and just last week my lamp went out I just replaced it and the bright blue spot is still there. Can this be corrected

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  • stlmini Sep 08, 2008

    My one spot, has now grown to two. I've been told this could 'possibly' be dust on the mirror, but haven't had the money to call for a repair, yet.

  • Anonymous Sep 14, 2008

    my one blue spot is now three .....whats up ... can i fix without a expensive tv repair bill?



















  • Chris Sep 21, 2008

    I have the same problem with my PT-44LCX65.



    The offered solution is to degauss the television...I am familiar with degaussing a CRT screen...can someone educate me on how to degauss a projection LCD?

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Ok...once and for all I will explain the fix (in detail...which has been missing)...

1) Firmware updates do not fix this problem. I had this problem, and updated my firmware to the latest versons without success. Also, cleaning the light engine (or any other part) does not fix this problem. If you cleaned your TV and your problem disappeared, you had a different problem.)
2) This repair requies a special tool from Panasonic. The tool is part number LSUQ0100. It is light grey in color, and is roughly 7" x 5" x 1" in size. It has diagnostic lights on it, and a button to press to start the procedure. This tool is used to reprogram your EEPROM. Again, this is VERY different than flash upgrading your firmware.
3) To repair the TV, the repairman must remove the lower back of the unit and plug the long, 5-wire connector (5 individual wires terminated to one female connector end - reminds you a bit of an old-style CD-ROM audio cable used in computers) into a male recepticle on the light engine.
4) The procedure takes roughly 6-7 minutes to complete. The TV remains on during the procedure (yeah, I was a bit surprised too). About mid-way through the procedure, your colored ball-shaped blotches will just disappear....no on-screen progress bar, no bright flash, the spots just disappear in the blink of the eye.
5) CALL PANASONIC!!! They are standing behind these TVs, and are covering these in-home repairs free-of-charge - EVEN IF YOUR TV IS OUT OF WARRANTY. Mine was out of warranty by over a year. The Panasonic rep was very kind, but did explain that this is the only repair for these TVs that they will cover out of warranty, as it was a defect in the manufacture of the unit - all other repairs are at the expense of the customer.

Good luck to all - I hope this helps some of you!
Cheers to Panasonic for standing behind their products like this....you don't see that very much these days!

Thanks,
Chris

Posted on Sep 25, 2008

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Please explain to me how you can Degauss a rear-projection LCD TV? My TV has this same issue, ans would love to hear how this fixed it.

Posted on Sep 08, 2008

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Degauss

Posted on Jun 03, 2008

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I just recently changed my lamp in my hitachi 50 VF 820 and the screen has a large blue spot on it. I have done it before once or twice and all went well. Did I possibly put the bulb in incorrectly or is...


No. If the set turns on and you have a picture, the lamp is installed properly. Most of the time the optical block is the issue. The lamp shines directly into it. If the picture was good before the lamp was replaced, it is possible that that replacing the lamp might have dislodged some micro dust build up internal to the optical block and it landed in a concentrated area causing the red and green lcd panels not to pass light through as bright as the blue giving you a blue spot. Unfortunately the optical blocks are not designed to be taken apart to clean. Replacing the optical blocks are expensive. Most costing in the area of $700.00 to $1200.00 for the part. It also is a major tear down to get to the optical block to replace it. Once upon a time Hitachi had a couple of recalls on their optical blocks for various models. I do not know however if this qualified.
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So long as it is not happening by something you have done. It will be fixed free of charge. Call them, it solves the problem.

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