Question about Panasonic PT-52LCX65 44" HDTV

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PT-52LCX65-K Panasonic rear-projection LCD No Sound

I have the above mentioned TV. I have perfect picture, but no sound at all. I can hear the speakers ''buzzing'' when turned all the way up, but no sound all....It was working perfectly and when we changed the channel, the sound quit. There were no noises or anything, it just stopped working. I have tried re-setting it, adjusting audio settings, hooking up separate audio/ video cables through video 1 and 2, but still no sound. The TV is about 2 years old. Any ideas?

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  • dmg32 Feb 25, 2009

    identical problem!!! what happened?? one day, no sound. all adjustments were made, and no help. mine's about the same age. Checked "trouble shooting" in the back of the manual, and there is nothing showing loss of sound.



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My panasonic did the same thing. turns out my coaxial cable hooking up the cable from the wall was bad. Once i unhooked it from the wall, the sound popped. I wiggled it a little on the receiver end on the wall and got sound. So try replacing your cable box cord and see if it fixes it.

Posted on Feb 27, 2009


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The tv is only 4 years old and just stopped working while we were watching it. it is a "52 model number pt-52lcx65-ka.

If lamp in tv has not been replaced in last 3-4 years then check lamp and replace it.
Did tv showed lamp replacement requires warning/ message on screen before going to shut down?
Did you hear any pop sound inside tv when it get shut down? that pop sound could be lamp that got broken.
Let me know if you have additional question.

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Call Panasonic 800 number, and they'll fix it for you. I just had mine done too. It is a manufacturing problem and they'll do it for free. Get your serial number ready, and date of purchase, they'll ask you those questions. Mention the Eprom problem and that you read it here! Good luck.

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1 Answer

No sound no picture

Dose the lamp light indicator in front panel flashes?Than lamp must change.

Mar 16, 2010 | Panasonic PT-52LCX65 44" HDTV

1 Answer

My Panasonic LCD had a little pop sound and we completely lost our picture. I just bought a new lamp TY-LA1000 and I turn on the TV and the switch color goes from flashing Green to flashing yellow 2 blinks...

You probably need a new ballast.It is a high failure part.If you listen at the back of the set you can hear the ballast make a short buzzing noise every time it tries to light the lamp.If you don't hear this then your ballast is probably bad.

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1 Answer

I have a Green Dot Continuously in my Panasonic PT-52LCX65 which is a rear projection television.

that's most likely a dead pixel on the LCD display in the light engine, but can possibly also be dirt in the light path or on the optics. If the spot is kind of square it's most likely the LCD, and if it's more round or odd shaped, it's most likely dirt.
Good luck.

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Sounds TV needs Ballast Supply board replacement, it is available in Part Store.

If you wish to replace above board by yourself, should have service manual copy that is available HERE for small fee.
Or call local TV tech for fix.

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