Question about Sanyo DS27820 27" TV

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Picture tube sanyo 27 inch tv I have a Sanyo 27" TV. The screen is balck with the exception of a thin line of light going across the screen. The sound is perfect. Does the picture tube need replacing. The tv is not that old.

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  • tpark Dec 14, 2008

    DS27800
    This line appeared after hitting Reset key on remote can not get back to the TV screen


  • Anonymous Dec 17, 2008

    My screen in all black. only the power light on the TV itself comes on. All connections are tight and no moisture has reached the set.

  • Anonymous Apr 18, 2009

    I have this exact same problem, I am wondering if my telelvision is toast. Did you resolve it?

  • hanna50 May 11, 2010

    do you know the vertical ic # ..have no schamatics . thanx

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Sanyo mod#ds27800 or chassis#27800 might be same as27880 has a vertical problem bad ic ...........no schamatics

Posted on Feb 16, 2009

  • hanna50 Feb 16, 2009

    any body know ic#

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No you have no vertical bad chip ic

Posted on Oct 21, 2008

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1 Answer

I am trying to help my neighbor. She has a Sanyo flat screen tv Model DS20930. The picture she gets is a thin line across the center of the screen.


Hello
Set the brightness, contrast and colour control of that TV to minimum. Watch it in a dark room whether ther are thin white lines across the screen, at about an inch apart, from bottom to top of the screen. If there are lines, that TV needs screen control adjustments. That is, now the screen voltage given to the picture tube went high to some reasons. If you have confidence that you can adjust it, I will guide you.
Open the back cover of that TV. Locate the LOT [Line output Transformer], usually one red thick wire is connected to the top of the picture tube with the help of a rubber ****** and clip. In most TVs it can be located and can be seen as the back cover opened. There are two variable control, fitted, integrated to LOT. Normally the upper one is marked as focus, and the lower one is marked as screen. You shoud adjust this control to avoid these lines.
It is a live service, that is the TV must be switched on during this time, and take causion in every respect not hurt by yoursef and the TV. Keep the children away from you, and an other adult person beside you is better. A liitle turn counterclockwise will remove this problem.

Oct 19, 2010 | Sanyo DS20930 20" TV

1 Answer

My 27 inch Insignia flat screen tube TV goes blank


The vertical deflection has gone out. Put it in the shop.

Apr 24, 2010 | Insignia NS-27RTV 27" TV

1 Answer

No picture on screen


No,Ur vertical/horizontal IC is shorted or cold soldiers.Could be the parts that support the IC is also.

Aug 19, 2009 | Sanyo DS27820 27" TV

2 Answers

SanyoTV-blk screen w/thin line of light across screen great sound


Your Vertical Amp is probably Blown (bad) , but before you change that check all capacitors around the vertical amp IC and / or resolder resistors and diodes around vertical amplifier.
And NO it is NOT the Picture Tube
Good Luck
JG

Apr 18, 2009 | Sanyo DS27820 27" TV

2 Answers

TV has a thin horizontal line across the screen


intermintence in vertical IC deflection its a job for experienced tech need to look for that circuit and do fine job resolding that IC

Apr 01, 2008 | Sanyo DS31590 31" TV

1 Answer

25 inch sanyo tv


If the horizontal lines going through the picture are fine white lines, then I would suspect the picture tube as having a heater to cathode short or some other problem. Since some sets have had a 3 year warranty on the picture tube, you may be lucky unless the labor to replace the tube is more than the set is worth. Sanyo is usually not a good name in consumer electronics anymore, so if you're looking for a replacement I would look elsewhere.

Mar 31, 2008 | JVC AV-32F704 32" TV

1 Answer

Tv not working


this symptom, sometimes called the tube light effect, it is characterised by a bright thin horizontal line across the middle of the screen. this symptom is caused by a breakdown in the vertical deflection circuit. hence maybe the trouble maybe in the vertical oscillator, amplifier or output circuits. but if all i have said is not clear to you, better bring it to a qualified tv technician. good luck!

Mar 08, 2007 | Sanyo DS31590 31" TV

1 Answer

White Lines in picture


your problem is common for sanyo and fisher tv's the B+ feed capacitor is defective and maybe the waveshaper in the cuircuit right next to the IC. Your probably gonna need a service manual to find these caps as if you get one from sams photo facts post the vertical here and I will show you the capacitors to change. Done it a hundred times but I dont remeber the #s. Old age I guess. Good Luck

Apr 24, 2006 | Sanyo AVM-2759S 27" TV

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