Question about Sharp Aquos LC-22SV2U 22 in. LCD Television

1 Answer

My tv dvd 37"neon combi comes back on when the green power off button is used. it goes back onto standby and then the telly comes back on. any ideas?

It has also got shading and some lines on the screen do you think my tv is dying?

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  • Sharp Master
  • 14,553 Answers

It sounds like the main board which controls everything may be bad--not a do it yourself repair---please consider having a tech or a shop look at the set and give you an estimate.

Posted on Dec 04, 2012

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Posted on Jan 02, 2017

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techman
  • 3130 Answers

SOURCE: TV will lose picture then go into standby!

Yes it is a temp problem as you found out for your self Great call on that BUD.. the best thing to do is contact sharp to see if they have had simular problems and if there are any recalls on this model . If not they will instruct you where to send the monitor into to be fixed.

Posted on Apr 02, 2006

  • 1 Answer

SOURCE: Sharp tv standby button wont switch on

have the same problem .please help.

Posted on Aug 31, 2008

circuitworld
  • 335 Answers

SOURCE: sharp aqous lc 37 in tv power no picture,sound

Your control board seem's defective or the inverter board (associated circuits) are bad. This is common in most TFT-LCD Tv's.......

Posted on Dec 01, 2008

ginko
  • 19396 Answers

SOURCE: Phillips 51in tv rear projection power button blinking green

The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Posted on May 22, 2009

  • 8457 Answers

SOURCE: power light is flashing green. i hold the power

Sharp tv are famous for this problems.Take ur tv aparts,where the a/c power cord go into it.That ur tv power supply board,check for all those dead leakage capacitors parts that bulges up on it top or puff up on it top.Than it ur power supply board,replaced those dead leakages capicitors or replaced the whole power supply board.No leakage capcitors on the power supply board.Than it 100% the Tuner board it dead,this board is where the coalax broacast tv signal cable go into it.This board can't not be repair only replaced,because it alway some ICS it the problems it dead on this Tuner board.Tries websties like Shopjimmy.com,Ebay.com to buy either or both refurbishes the power supply board or the Tuner board.

Posted on May 26, 2010

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