Question about Electrograph Systems DTS4225PTD 42 in. HDTV Plasma Television

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Power supply bad

Comes on then off in few seconds

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It is not the fault with the power supply board. It switches ON, and supplies to other parts, but, any component/s to the other circuit part provides an overload to it, and its protection circuit activates and swishes it OFF. That's happening now. Contact any service technician to make it confirm the defective part.
If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Posted on Apr 01, 2014

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Posted on Jan 02, 2017

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Samsung ft-p5084 plaza tv went blank. No power at all.


If that fuse is blown chances are its because the Power supply has developed a short. The power supply will need replacement. You can easially install a power supply yourself just a few screws and couple of wire sockets and the old board pops right out. You can get the power boards from www.tvcircuitboards.com

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Your power supply is going bad or there is a bad start-up capacitor on the motherboard that's bad. Replace the power supply or have it tested from a qualified technician. If the power supply is good, then the motherboard has a bad capacitor.

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1 Answer

The computer suddenly shut down & will not re-boot. On turning on there may be a few seconds to allow option of opening up in safe mode which is applied but within a few seconds the system shuts down...


Bad Power Supply.
Weak voltage power rail.

One of the leading causes of computer failure.
Replace the Power Supply.

[The next cause of failure is the computer is dirty inside, as well as inside the Power Supply's case.
Dirt, dust, etc, takes a Power Supply down quick ]

Need guidance of how to replace your Power Supply, or guidance in finding a decent replacement Power Supply let me know in a Comment.

Regards,
joecoolvette

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1 Answer

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u have a bad power supply unit. the power supply is not reaching some sections needed to power up the system or cud be auto over voltage trip. if u have no idea take it to authorised service centre. 

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1 Answer

Set will not power on.. Blinks red LED 8 times


It's a power supply related problem.
The flashing 8 times is a trouble code. A Service Manual for your TV model will have the info on the codes. It could be a bad capacitor or a transformer on the power supply board.If you have some electronic experience, you can find a Service Manual for your TV over the internet. Cost about under $20.

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You have a bad Power supply. Have a trained Samsung tech replace the Power Supply.

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1 Answer

My hp laptop will not boot up


Check the power supply for power. Replace if necessary. Also check the motherboard for proper operation. If no fans come on or only come on for a few seconds then you have a bad motherboard

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1 Answer

COMPUTER DOES NOT BOOT


If nothing was disturbed then this is usually an indication of either the power supply going bad or the hard driver going bad. I start by substituting a power supply of the same wattage or larger. If that doens't work , I change out the hard driver.  I believe that is usually a good place to start.

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