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PANASONIC SA PT 450 5 AMP INTERNAL FUSE BLOWN SHOULD I JUST REPLACE OR IS IT PROBABLY A MAJOR PROBLEM

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Worth a try! If it blows again, that will be a semi-conductor that is acting like a piece of wire that is causing the problem.

Posted on Jan 03, 2011

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I don't get power when i plug it


Check for an internal fuse blown near where power comes into box. Sometimes they're soldered on, and be very careful working around 120V AC line in.

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These unit have an internal fuse. This will mean removing the power lead, opening the case and replacing the fuse. Probably best to have a professional do it. Sorry, Shouldn't be expensive though.

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Panasonic PT-47WX53, Would replacing the convergence ICs STK392-110 incorrectly make it so that the tv would not turn on at all and not give a blink code?


If the pins were bridged with solder it could blow the main fuse. I would check the fuse since a panasonic will always light the led if the fuse inst blown, another possibility would be the wires not seated properly especially the bridge connectors bewteen the boards.

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I have a panasonic pt-51hx42. I was just


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2 Answers

Dead tv


Sounds like a power supply problem. I am sure that the pop is the fuse blown. If the fuse is blown, this means that there is a short somewhere. Rear projection TV are like LCD projectors. And all of them use Switch mode power supply. If you are lucky, there is a chance that a protection device (like a varistor) is sorted. This means that removing this, even without replacing will bring your TV to life, however... Most probably the power supply is defective.

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1 Answer

Big screen tv broken


If you're NOT still under warrantee you should at least open the TV and look for a blown fuse near where the power cable enters the set. A lot of times you can buy replacement fuses at a local electronic or hardware store and they're easy to replace. Check the fuse. If it is blown, it will be obvious and make sure that the set is unplugged before replacing it. If it blows again, or if it is not blown, your problem is probably in the 'X' volt regulator and you will need professional help with the repairs. You can also check the board where the components are mounted and resoled any that look bad. Brief power outages may cause the TV to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. All can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your TV serviced. good luck!

Dec 23, 2005 | Panasonic PT-65WX51 65" Rear Projection...

1 Answer

No power


If you're NOT still under warrantee you should at least open the TV and look for a blown fuse near where the power cable enters the set. A lot of times you can buy replacement fuses at a local electronic or hardware store and they're easy to replace. Check the fuse. If it is blown, it will be obvious and make sure that the set is unplugged before replacing it. If it blows again, or if it is not blown, your problem is probably in the 'X' volt regulator and you will need professional help with the repairs. good luck!

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