Tip & How-To about Televison & Video

Switching Off your TV in standby mode & power failure

When there is power failure, immediately switch off the switch supplying power to your TV. After restoration of power, there are incoming surges on the line which can damage your TV. It is also a good idea to switch off in standby mode. It consumes some energy & we may not know when there is power failure.

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wont turn on but tries too come on,power light blinkink


Internal power supply failure. Was there a lightning storm in your area recently or utility work being done recently? This two things usually kill TV's and other electronics with surges when power is restored. If the set is under warranty call the manufacture, if not, call you homeowners insurance agent to see if the damage is covered w/or w.o. deductible. At least you can get something toward repair/replacement costs. Future fix, purchase and install a surge arrestor in your main AC panel for the whole house or buy a power strip with a built in surge filter/protector for your expensive equipment.

Jan 23, 2014 | Samsung PN51D490 3D Plasma TV

2 Answers

Had power surge. Tv was on surge protector. Now no power will come on and just makes a buzzing sound.


Have you tried plugging it in without the surge protector? I would wager that either a) the surge protector needs to be reset/turned on and off depending on the model or b) either your TV and/or surge protector have been damaged by the power surge.

Try plugging the TV straight into the outlet and see if that helps.

Oct 25, 2012 | Televison & Video

2 Answers

Spot of bad weather here, just had a power surge in the house and now our tv (sharp lc-42SB48UT) won't power on. There is no blue or red light on the front and changing outlets/surge protectors doesn't fix it (although the outlets and surge protectors do work). Any suggestions on how to find out if this is fixable?


90% to 95% ur tv have a dead power supply board only.5% ur tv could have both dead boards the tv power supply board and the main tv Tuner signal board too.The tv power supply board.That the board,where the power a/c cord plug into it.The tv main Tuner signal board,that the board where all the exstented devices and the tv incomming broadcasting signal cable wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement first.The tv problems should be fixed.If not than the main tv Tuner signal board is dead too.Must be replaced also.

Apr 24, 2011 | Sharp LC42SB48UT 42 in. LCD TV

1 Answer

wont restart after power surge & verifying power supply restored


The control board may have been damaged by the power surge. You should install a surge protection device on the incoming power line, thereby protecting everything in the home from damage.

If you need help with this, go to the following website and fill out the form, be sure to include an email address

http://taeckertindustries.com/prod04.htm

Nov 17, 2009 | KitchenAid 24 in. KUDI02IR Built-in...

1 Answer

Have lcd tv samsung. Had a power surge now tv will turn on but no picture or sound. What could be the problem?.


If you get no standby light or error blinks, the power supply board is bad. Most likely the power surge will take out some capacitors on the power supply. Replace the power supply board to solve the problem. This is a common failure caused by a power surge.

Note: If you are looking to do it the cheap way, you could try looking for bad capacitors (visually inspect for ones that look "bubbly") and replacing just those but it is not guaranteed to fix the TV as the power supply could have other issues and just cause the capacitors to bubble again.

Oct 08, 2009 | Televison & Video

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