Question about Samsung LA22A450 22 in. LCD TV

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I have sharp tv model 29v r230s after replace new flyback there's no picture comes out but there have a sound only white on the screen. can you help me please.

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6ya6ya
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Posted on Jan 02, 2017

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alpug
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SOURCE: My samsung le40r73bd tv has developed a fault the

there is a problem on your inverter board and the cold cathode lamp.The inverter board is the supplying high voltage supply to the cold cathode lamp.This cold cathode lamp is the illuminating the screen in which the the picture will appear once cold cathode is lit.here is a link where you can buy the parts.. Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";}

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Posted on Jun 14, 2010

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snakehead
  • 1074 Answers

SOURCE: I have a Samsung 50

Your tv horizontal section is faulty change the horizontal transistor.or the diode that is at the leg of the collector of the HOT.do other checks around the transistor cause it can be more than one component is faulty in that section.also make checks in the power there is a diode that feeds from the pout put of tv regulator that might be leaking or is open.

Posted on Sep 28, 2011

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1 Answer

Flyback number of sharp tv model:21V-FP80M


gud pm,hi der sino po nakakaalam kung ako ang flyback no ng sharp model no. 21V-R230S

Aug 22, 2012 | Sharp Televison & Video

1 Answer

White lines on the screen.sounds ok.picture is coming behind white line.


Lines means Screen Drive is overdriving, try adjusting the Screen control on the FBT flyback Transfomer, adjust it down. If that does not Clear out Problem then replace the CRT Board that is connected to Picture Tube.

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Cannot see the picture on my tv


This need an adjustment in flyback screen to make it higher so picture must seen.Open your TV go to the flyback there in the flyback body you can see a little rotary nab for "focus" and "screen"Just only adjust the screen a little until picture comes out.

Hope it may help you;

Regards;
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Sharp v29j200s always blue on the screen


Sharps are known for bad tuners and cold solder joints.If you tap on tuner and picture comes back there is cold joints in tuner, If not most likley bad tuner. if the audio is there with blue screen it is the tuner definitly.good luck


thanks DOCTOR VIDEO

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At the rear of the tv there may be two controls on the right hand side marked "screen" and "focus".If the set is newer,you will have to remove the cover and look to your right.You will see a dark object with a black or red wire coming out of it's top.That is your flyback transformer.On this you will find these two controls.Adjust your focus with the one so marked.Be careful to only adjust this control while you watch your picture clear.PROMPLY put the cover back.

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Nov 10, 2007 | Sharp 27N-S100 27" TV

1 Answer

I have sound but no opicture


When you replaced the flyback the new flyback is shipped with the screen and focus controls set at minimum. These are the 2 controls on the flyback itself. Turn the set on and let it warm up a minute, then slowly turn up the screen (bottom) control with a small flat-head screwdriver. When the picture is around normal brightness, adjust the focus (top) control until the picture is nice and sharp. Then, turn the brightness and contrast all the way down and set the screen control until you can just see the picture, just above the point where the picture vanishes. Reset the brightness and contrast settings and your picture will be back to perfect.

Jul 02, 2007 | RCA F36650 36" TV

1 Answer

Tv showing blue screen with flyback lines sound ok


Flyback lines? Is the picture all white with no brightness control with faint horizontal faint lines? If this is what you are saying, the screen voltage could be bad, and if thats the case, the picture tube or the flyback itself could be bad. You could also have a bad connection on the crt socket

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