Question about Hitachi 50UX58B 50" Rear Projection Television

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No power where is the fuse

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  • Anonymous Oct 22, 2008

    Same problem. Is it the fuse?

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  • 505 Answers

The fuse is located in the main power board inside the tv were the power supply start from

Posted on Sep 18, 2008

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This sounds like a power relay has failed. Sounds like it gets enough power to tell you the error code, but not power on the t.v. many times fuses can be hidden inside a layer of heat shrink tubing and these are what are called through hole fuses. They will normally look like a large resistor on end without and value markings.

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I looked at the power board online and I do not see any glass fuses.
I only saw the pico fuses which you unsolder and resolder.
Here's an image of the power board: http://tvpartsandmore.com/wp-content/uploads/imported/46HM95-TOSHIBA-23764257-POWER-SUPPLY-UNIT-46HM95-52HM95-62HM15A-62HM95-62HMX95-191208846050.jpg

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www.aaatvservice.com

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Keep blowing the main fuse.


To which circuit section did you replaced the fuse? Main power retulator? Just understand, the fuses are used to protect the circuit and TV from any short circuit or over voltage. Without any one of these, no fuse will blow up. If it was due to over voltage, the set should work after a fuse replacement. But here, the fuse blow up again, means, there is some thing shorted component/s. Check which component is shorted, and replace it, before replacing an other fuse. One more thing to say is, never insert a fuse other than specified. The voltage and ampere specification to fuse, will be marked at the circuit board, very near to the fuse clamp. Insert a fuse of same rating only. Using other fuse, rated higher ampere rating, might make things worse.

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1 Answer

Power and sound went out, seems to be dead. I thought maybe the fuses if there are any. If so where are they located? Thank you......


hello, there is a glass type fuse on the power board there might be a couple of them. if you replace them and blows again the theres a dead short someware make sure you the same rated fuse the value will be on the end of the fuse or on the fuse holder on the power board good luck

regards
shaun

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1 Answer

TV screen is black but power button lights up. No


you need to open the tv up and take out the internal fuse or fuses...go and get the right type of fuses...(the fuses will be made of glass and the same size of a plug fuse) DO NOT USE PLUG FUSES....if that fails then you need to take it to the tv repair man

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1 Answer

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hello with out the model number it will be hard to tell what may be wrong with it if there's no power first check the fuse in the plug .if ok then you may need to take the back off there's a glass inside in the power supply with the power off check the first to if it has blown if it has look at the end of the fuse it will tell you the value of the fuse i'e 2.5 amp make sure you put the same rated fuse back in . warning if you put another fuse in and blows again then there\s a dead short somewhare good luck

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shaun

Jan 16, 2010 | Samsung Projection Televisions

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hello the fuse would be located in the power supply, if the fuse is black it's blown if you put another 1 in and it blows again you have dead short somewhare make sure the powers off and the same rated fuse, ps there may 2 fuses

shaun

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RCA 61 INCH REAR PROJECTION MODEL # P61929 PUSH


The first place to start is the outlet and check to be sure it has power. The next is to check / replace the main internal (to the tv) fuse - it's a 5A 250V GMA fuse (google image of GMA fuse). To find the fuse, unplug the set and remove the back cover of the TV - follow the power cord to where it enters - the fuse is located to the right and slightly ahead of where the power cord is attached to the board.

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ok i'm goin to need more info about your problem. you stated fuses and didn't say the location numbers of the fuses. Also, have you rechecked your fuses to see if they are all still good? 3 fuses sounds like more then one problem. once you tell us your loc#'s of your fuses, we can look into your problems.

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4 Answers

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I have this exact same issue; search engine took me here. I have been experiencing this problem for about a year now. When you power on, the RED standby light goes out, the power light turned GREEN, you might hear a small pop sound, then the RED standby light goes back on. YOU HAVE BLOWN A FUSE. My problem is this is occuring much more frequently now and I'm going through fused like crazy. So I'm looking for a long term solution. To replace the fuse, turn off the standby power switch on the front. Unplug the power cable. Open the back panel. All logic and power modules are on the bottom of the cabinet. Therer is a large power module in the middle. In the middle of this module are 3 fuses. The one that typically blows is the one in the middle. It's a 5 amp fuse, but double check the rating before replacing. Good luck, Mark

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