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32 inch emerson flatscreen keeps blowing fuse when plug in and turn on. Have replaced it one time.

Watching tv and it just went off. Took panel off and the fuse was blown. 4amp 125v fuse. so went and bought a pack and put in and as soon as the power button is turned on it blows fuse. This is a 32 inch flatscreen model #LC32OEM2

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Posted on Jan 02, 2017

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Coldcut
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SOURCE: sharp aquos lc26sh12u no menu screen appears

as you have a good screen, I would check ebay for the display controllers as there are so many available after shipment drops and kids with hard toys.
what you have been troubleshooting so far is analog , now its likely a digital issue , all you can look for is the the cpu is running,
is it getting the 5v + and the say 20 or so volts.

Posted on Feb 04, 2008

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SOURCE: Sylvania 6632 LG blows fuse when plugged in

I too had this problem. I read some posts on this site about how to repair it, and low behold, they worked! I took the back off of the TV, and the first thing I found was the fuse was blown. With my meter, I checked the first 1N5406 rectifier diode after the fuse, and found that it had shorted out. Then I had to learn to desolder the diode, which I learned about on Youtube. I bought a pair replacement diodes at Radioshack for $1.49 and four replacement 125 volt 4 amp fuses. The whole repair cost about $5.00 and a few hours about learning about electronics. The TV works great! Good times!

Posted on Apr 08, 2009

a1electronic
  • 30 Answers

SOURCE: flat panel tv blows fuses

next to the fuse that blows is 4 large black diodes2.gif.one of those is common to short out. the bad one would give you areading of zero ohms when checked with a meter. or just replace all 4.most likely its location D603. hope this helps

Posted on Jul 20, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: Not turning ON, fuse blows.

In most cases, it is either a shorted component in the power supply or a shorted horizontal output transistor. It will take experienced electronic troubleshooting to fix it. TVs have lethal voltages (both 110V and 25,000V kind) and improper repair can result in shock, injury, or the emission of X-rays by the TV! Be safe and either replace the set or have a shop work on it for you. I'm a tech with over 25 years of experience, by the way. I appreciate honest rating of this reply if you find it helpful.

Posted on Nov 13, 2006

SOURCE: the tv keeps blowing fuses

Hi your problem is that a component(s) inside your TV has probably short circuited to Earth, this then causes a massive current to flow and this blows the fuse. Due to the types of Component failure from this, this TV should go to a reputable repair shop. Get a firm "Quote" and an explanation of what needs to be done.

Posted on Aug 15, 2007

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Good day!!!!


Commonly that trouble is cause of faulty capacitors on power supply board...

Power supply looks like this:
11_29_2011_4_39_16_pm.jpg

Please follow this step on how to fix that problem on your own..
  1. Open the back cover of your TV.
  2. Look at the power supply board..Its normally connected to the power cord..
  3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
  4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
  5. Some of the capacitors not bulged so its better if have a capacitance meter..

Try to watch this video about capacitors and how to replace it...

I hope this solution will be helpful...

Thanks for using fixya...

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good luck plse rate my help.

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