Question about Panasonic PT-47WX49 47" Rear Projection Television

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Tv turned off

Hi, no there is no power at all since it turned off. I found one fuse and it looked fine.

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  • misg4420 Mar 27, 2008

    Hi, I got the tv to work again lol. I was looking at it and noticed how bent the cord was so I started bending the cord near where it plugs into the wall and when I pushed the power button the tv came on. This must mean that I need a new cord. Thanks for all your ideas and suggestions. I will definately contact you with any further problems.

  • jasonkaufman Apr 15, 2008

    PT-47WX49 will not power back on. If I unplugg it from the wall and plug it back in it will turn on for about 3 to 5 seconds then right back off again. I'm wondering if it is a fuse but I have no idea where the fuse(s) are located. Help... anyone.... please....

  • Anonymous May 28, 2008

    my Panasonic PT 47wx49 turned off and will not turn on. If I unplug it and plug back in it will stay on for about 3 seconds and then goes off. Any suggestions?

  • Anonymous May 28, 2008

    My Panasonic 47WX49 turned off and will not turn back on. If I unplug it and plug it back in it will stay on for about 3 seconds and then goes off. Any suggestions?

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  • Panasonic Master
  • 8,617 Answers

Its more than likely something in the standby power supply in order to be completely dead. I would suggest getting the service manual , and if you are wanting to repair it yourself. you can get free support to help you diagnose and repair the set for free when you purchase the manual from this link. They email the manuals and provide free support to enable you to figure out whats causing the problem and help by locating parts. Its a good service cause they have good service manuals and good support techs,
http://servicemanuals.vstore.ca/

Posted on Mar 24, 2008

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Posted on Jan 02, 2017

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Hi, My TV has been turning off by itself and


Good day!!!!

If your TV turn ON/OFF itself without sounds..The possible problems are voltage drop on power supply,overheat/overload,loose/cold solder of power supply or bad T-con board..

If you already inspected all capacitors on the power supply and all looks fine but it doesn't mean that your power supply board works fine because sometimes bad capacitors not look like bulged or looks fine visually but the value change its either lower/higher capacitance value.In that case you need to use capacitance meter to find bad caps..But before we do that,I have a procedure to minimize/eliminate troubleshooting.In this procedure you need a multimeter tester to perform voltage data check..

In this procedure we can determine where the fault came from..

This are the steps:
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  2. Look at the power supply board (it is usually connected directly to power cord).
1_18_2012_4_37_54_am.jpg
3. Find the 3 long connectors near the aluminum heat sink.Those connectors having voltage marks on each pins so you can easily determine where did you get the voltage..

4. Point the black test probe to GND (ground) and the other probe (red) to 5vdc,12vdc/15vdc,24vdc..Let me know if you find any voltage drop or voltage lost..

5. If all voltages are works fine..The possible problem is on T-con/logic board or main board..But in that case the common problems is on T-con board I found it online $34..

Hope it helps..Just keep on touch to fix your TV and works fine again..

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hi,
may be ur tvs lamp side have some problem. may be the lamp over heated and burned. just open its lamp cover ann check it.
also check its power supply input point(near fuse) there is an MOV (used for voltage surge protection) is burned or not. if there is any voltage surge it will get shorted and the fuse will blow off, protect the power supply for any further damage. check the fuse also. if found open then check the MOV. insert fuse only after replacing the MOV.
ok

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