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Small hole in tv screen - is it dangerous - Televison & Video

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  • Anonymous May 13, 2009

    small pin size hole on my lcd screen????

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No its not dangerous its just when the screen is messed up it has no threat just might bother you while watching tv same thing happened with my phone

Posted on Dec 21, 2009

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Posted on Jan 02, 2017

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How do you reset a Mitsubishi DLP TV?


There is a small hole behind the door that covers the controls in the middle of the set Sometimes it's marked reset...sometimes not Turn the TV off, straighten a paper clip and push it in the hole and hold it in while you turn the TV back on

Oct 09, 2014 | Televison & Video

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Hi I agree, I got here from a premium post, the procedure suggested is not safe....



1. Try this - hold the menu button down for 10 seconds. TV should power up; you will have to turn off front panel buttons on menu.

2. You can also try plugging in the TV through the USB on its panel to a computer or USB charger, and it may work. However, this is only a temporary solution.

3. Powering down the set or putting it in standby may have allowed the power supply to cool. Weak capacitors often go out of spec when they cool, thus preventing a section of the power supply from firing up properly again. There is a simple trick...just warm the back of the TV with a hair dryer for 5-7 mins after you have unplugged the TV. Look for the little areas of holes in the back panel of TV. Use these as your guide at where to use the hairdryer, but don't hold the dryer too close (say 5-6inches away). (Make sure the dryer is on High heat). If the TV doesn't turn on after you have heated it up (like it tries to come on but then turns off) you need to unplug the TV again, this resets it. And repeat those steps till it works. Resetting the TV after it fails to turn on is the key. Also, just leave the TV on. Don't turn in off. Since it is LCD, it doesn't take much power...only a few bucks extra a month for your utility bill.

4. A circuit board may crack about some of the larger components mounted on it. You can inspect the PCB's for fractures, and then repair them. It may also be poor soldering that has failed. I would be checking for these things first.

5. If you want to go in for a long term solution, you can easily replace the whole power board or just change the faulty capacitors. You will have to open the back panel and take a look. You can make out which are faulty, because their caps will be swollen on top. Here's a sample pic (not same model):

Check the specifications of the faulty capacitors, and get the replacements from your local electronics shop. If you are comfortable with this, you can use a pair of needle nose pliers to G-E-N-T-L-Y pull out the defunct capacitors. Once that is done, solder in the new capacitors carefully. If are unsure how to do this, try to get a friend who knows how to do this kinda stuff do it for you, or get a qualified technician. Warning: If you do not have a background in electronics repair, or are inexperienced, get a qualified technician to do it for you.

REMEMBER there are very dangerous voltages inside a TV that can KILL. Be sure to work SAFE when dealing with electricity. DISCONNECT THE POWER BEFORE YOU DO ANYTHING.


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1 Answer

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Hole in screen


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I'll give it a try, but just so everybody is on the same page, this is not a projection TV but a direct view.

There is one slot on the back of the set that looks something like a hole about the size of the end of a hat pin with a slanting line going about 40 degrees to the left then ending with another hole about half the size of the first one, so I guess there could be 2 adjustments in there. I just didn't want to futz with it in case it was something that could do something I might not be able to undo.

TIA moz-screenshot-2.jpgmoz-screenshot-3.jpg

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Wow they are charging you alot for this repair my friend. Go to this link and you will see! The High Voltage transformer, also known as a flyback only cost 50.00 Bucks!http://www.partstore.com/ProductDetail.aspx?ProductSKU=2187762&ProductType=PART&ModelID=420798 I would get the part and let someone replace it If you have no soldering and or TV repair experience, as this is a dangerous place to be experimenting with if you do not know the safety issues involved. Good Luck Please dont forget to rate this thread.

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1 Answer

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