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

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PT-47wx49e My Panasonic keeps powering off and sometimes will come right back on. Sometimes it won't I feel it is a power supply problem and I would like to get the schematics to trouble shoot. Any Ideas?

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Im having same problem but its not power it does that when theres an internal problem its doing it to keep from frying other parts

Posted on Feb 29, 2008

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Lamp or Power Supply (Ballast)?


Power Supply is the problems.The lamp problems you will not have picture at all.U said have power and picture all day sometimes right?Power supply board have intermitten problems.

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1 Answer

PT-47WX49E just shut off


maybe the convergence resistors? sometimes when the ics blow a resistor or a few blow

Jan 04, 2009 | Panasonic PT-47WX49 47" Rear Projection...

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can't tell from your video but you are describing a bad cap perhaps a 160-250 volt in your power supply check your supply for ripple

Sep 27, 2008 | Panasonic PT-47WX49 47" Rear Projection...

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Panasonic PT-47wx49E


does the led indicator blink? If so how many times does it blink?

Sep 04, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Help please


called h.v. shut down call tv repair shop

Sep 18, 2007 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Panasonic PT-47WX49E


The only thing I can think of that would make the picture fade to black is a loose solder joint on the filament supply. Each of the 3 picture tubes has a filament and if the 6.3 volt supply to those filaments is suddenly lost, the picture fades to black as the filaments cool down. An experienced tech can find and correct this for you quite easily.

Sep 10, 2007 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Panasonic PT-47WX49E will not power on


Thats a power supply module going bad. Dont use it until a person with knowledge on TV see that. Or if you feel you can DIY open the back panel to see if there is a toasted or foreign object near the power supply area. Its located when you follow the main plug going into the back panel of your TV. Look for a dying Fuse too. And watch out for Capacitor that has still current, you may electicuted with that component. That parts its only for qualified servicemen area only.

Aug 06, 2007 | Panasonic PT-47WX49 47" Rear Projection...

3 Answers

PT-47WX49E Doesn't work


This is for sure a safety shutdown circuit that is shutting down this TV set. It is a hard call to pinpoint a problem such as this without first doing some troubleshooting on the TV set. You could have a short in the sweep power supply, the horizontal output transistor could be bad, therefore then the flyback is probably bad, or the vertical IC could be bad, there could be a regulator problem in the main power supply that could be bad, and also the convergence IC's can cause this problem. Almost any circuit inside this TV set can be detected and staop the set from starting up. Good Luck

Jun 07, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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