Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television

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No audio, picture fine

Turned the TV on and no sound; was sound last night

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  • 8,617 Answers

Audio output IC is most likely the culprit.

Posted on Jun 21, 2008

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Philips magnavox,9p5040c102 tv has power but no pic or sound, what is wrong, worked fine yesterday


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s the audio coming from the TV's internal speakers, or from an external sound system? In the 169 series chassis, if the power supply caps or secondary rectifier are bad, or if the high voltage splitter has shorted inside, the set will not run and there will be no picture or sound from the TV. If the picture is completely black but the TV still has audio, press the menu button and see if the menu comes up on the screen. If the menu is there, check your cables on the back of the TV. If you are using a cable or satellite box, the box could be bad or the video wire could be bad or loose. If you do not get the on-screen menu, then I would guess that the solder joint next to the flyback transformer that sends filament (heater) voltage up to the picture tubes has cracked, or the low value resistor in the heater circuit has opened up. If that is the case, have the set serviced by a qualified tech familiar with the 169 series chassis.

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Hi,

If you turn the tv off for about 1020 seconds, turn it back on and see if you have a clear picture, if not it sound like a power supply problem in the tv. but if that did not solve the problem, the picture board on your tv is now malfunctioning or as gone bad, it means the picture board of your tv has developed fault and will need to be replace.

I advice you replace the picture board on the screen of your tv to solve the problem.

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Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

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  • Colors wont align
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Problem #2 CRT Fluid has clouded over. Symtoms
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You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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