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

2 Answers

Sony 46" rear projection LCD HD - picture and sound go on and off

Picture and sound go off, led by on/off button stays green. Then 2 minutes later it will come back on, pic and sound just fine. Then 2-3 minutes later goes off again and continues. If I turn the set off while it is in it's off cycle, the red LED flashes light the light is bad (but I know it is not becuase the picture comes on fine, for two minutes). If I turn the set off while the picture and sound are in the ON cycle, it turns off normally (solid red LED), and I can turn it back on normally. Butthen it only stays on for 2 minutes and will go off by iteslf, then back on again after 2-3 minutes.

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  • jheim Jan 27, 2009

    Will post model number shortly. Thank you.

  • jheim Jan 27, 2009

    Thyank you - I'll likely have to do that anyway, but I'd like to have some idea of what it might be so I know I'm being charged fairly. Also, it shows it's a bad bulb by the red LED flashing, but the bulb works for 2 minutes, so I'm wondering if the bulb heats up and opens the circuit - would that cause the sound to go off on these sets too? I don't want to just guess and try a $300 fix until I know it has a chance of working.....

  • jheim Jan 27, 2009

    By "Tube" you mean the really expensive light bulb? This is a rear projection LED - I was told the light buld would last 3-5 years and we're at 4 years now. The bulb used to $500, but I hear they're abotu $300 now.

  • jheim Jan 27, 2009

    Model Number is KF50WE610

  • jheim Jan 27, 2009

    OK - I will do that - Thank you very much.! I'll let you know if it fixes the problem.

  • jheim Feb 12, 2009

    welcomejee was rigth on. Repalced teh lamp and the set is now working fine. Thank you.

  • Shahid Electronics
    Shahid Electronics May 11, 2010

    Please intimate exact model of TV to help you out.



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Personally i would call a tv repairman out to fix the set.you can get alot of different opinions on here about what it may or may not be but the best thing to do is call a repaiman and let them fix it

Posted on Jan 27, 2009

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  • Ronnie Houston Jan 27, 2009

    it could be a tube is going out and yes it would also lose the sound because the tv is shutting down. if the tv is nice and worth fixing and its flashing saying the tube is bad then you know the basis of the problem

  • Ronnie Houston Jan 27, 2009

    it could be either one but im betting on tube...i may be wrong but the tubes seem to be a pretty common problem for these tvs and there are alot of complaints on here about the same issue and it winds up being one of the tubes.have a repairman chack it and tell you for sure because i cant really tell you which it is from here. he can at least tell you if its a bulb or a tube.

  • Ronnie Houston Jan 27, 2009

    that dosent tell me if its the bulb or tube just tells me about the tv is all

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TV symptoms shows weak Lamp and you need to replace Lamp.
Buy Sony original Lamp XL-2100U from Sony Accessories Store for $200 only.
Here is Lamp replacement procedure and its written in user manual too.
Thank you.

Posted on Jan 27, 2009

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