Question about Panasonic PT-47WX53 47" Rear Projection HDTV

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Set shuts itself off. Power light flickers three times. I power down the tv and pluged it back in. It turned on but after about 2 mins, it did it again. Powered itsself off and with the power light on the front flicking 3 times

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  • Panasonic Master
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Thats the error for convergence shutdown, You can get the PT53WX53 convergence repair kit at the following link www.tvrepairworld.com which will usually repair that issue. The kit contains the parts and CD with detailed instructions

Posted on Sep 11, 2009

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Sylvania LD320SSX turns off by itself.


your powersupply is dying in the set.. have it checked..

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Had a power outage while watching tv. Then 3 blinking lights.


This is an on-going problem with DLP sets. Normally you shut the set off and the cooling fan cools the lamp down and then it shuts off. In your case, of which it's not your fault, however your lamp has taken a major hit by not properly cooling down, in turn, you need to replace your lamp at this time.
I suggest in the future if you have an electrical storm and a chance of a power outage while your watching tv, I would'nt play that model or any other model of a DLP set.

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CK Fan if it is going bad set will shut down.

Feb 06, 2009 | Televison & Video

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TV turned off and now the power light blinks three times


Very common problem. 3 blinks means the convergence circuit has failed . Heres a link to the repair kit for your model which contains both convergence IC and the feed resistors and the kit has step by step instructions with pictures so you can easially do the repair yourself.
http://servicemanuals.vstore.ca/product_info.php/pName/panasonic-projection-tv-convergence-repair-kit-2/cName/convergence-repair-kits/osCsid/e28ca8f8240833facd92d8890ef7e2b2

Jan 19, 2009 | Panasonic PT-47WX53 47" Rear Projection...

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HDTV R52WH74 PROJECTION POWER STAYING ON ISSUE


thats usually related to the flyback and or cp150 capacitor. You can get the replacement flyback number 259296 and the replacement CP150 at the following link with free instructions
http://servicemanuals.vstore.ca/

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1 Answer

Projection TV keeps shutting down


Good Day;

Sounds like you have a bad green picture tube that has failed. To check this out; remove front speaker grill, remove small panel, you will see three CRT's (pictue tubes) sticking down, remove the little board on the middle tube then restore power. If TV stays on more then likely the CRT is bad but not always the driver on board could also be bad, check voltages.

Good Luck, big IRISH.

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1 Answer

Red Blinking Light


These types of problems are allways hard to diagnose.. If you were to power on the set and preform tests, you would think that everything was fine until the moment it shuts off.

Look on the main power board and see if you cant find the thyristor (thermal switch), those are the things that when heated will cause the set to power off for safety reasons.. They are normally placed where ever a large heatsink is. That may give you a location as to the problem and you can put a meter around its 2 pins with the set off and unplugged a couple of min after failure, if its short (0 ohms) thats not the problem, if its open, it triggered the event.

Second, you can run the set for a while and check the voltages and Ve, Va, VCC, Vsetup etc and compair to the markings on the plasma PDP sticker. If you see one is falling down over time (volts will be lost as heat) then you can isolate that portion of the supply.

Third and allways the best way to go about these problems is buy a thermal gun and moniter various spots for heat.

Its just vary hard to say, resistance could be off somewhere, diodes could be overheating as well as fets and caps. Thats why a good thermal gun can point you to exactly where the problem is.

Hope this info helps, but I would suspect the problem is on the main power supply itself and not the y sus and z sus boards side boards.

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There may be several causes but, one is that when any color gun is being over driven, the Sony shuts down the gun to protect it. Try this. Remove the front of the set by removing the two screws from each lower corner. Next remove the black panel held on by 5 or 6 screws. Now you should see a panel with 6 potentiometers on it. Turning the ones on the bottom row CCW reduces the drive. Turn the color down and if all the guns stay lit, SLOWLY turn them up until you get the color balance that you like.

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No Power


It appears that the power supply is starting to fail. It is also possible that there is another board in the set that is over-loading the supply.

The nature of the fault indicates the strong possibility that there are some parts that have become thermo sensitive. This is not a reset problem going by your description. Unplugging the set, is allowing the boards to cool down, and therefore they will work for a while until the thermo sensitive parts heat up again.

Jerry G.

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