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Why is there no picture but sound on my tv?

No picture but there's sound, horizontal white lines appear on white screen background

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  • 31 Answers

CRT (TV Screen) is probably blown. I do not suggest anyone try to open a television's casing. Even if it has been unplugged for days, it still contains enough electricity to KILL YOU. Please, the safest thing to do is to buy a new TV and it is usually cheaper than sending it to a local repair shop.

Posted on Jul 18, 2009

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Hi.. Mine is a sansui tv and I bought it 3 years back. Now it is showing a horizontal line on the screen. Sound is fine but I can't see the picture, I just see one white horizontal line on tv...


The problem is vertical failure. Vertical output section to your TV ahs the fault. You ahve to check the vertcial output circuit for any component failure or loose solderings.

May 11, 2012 | SansuiS3275 TV

1 Answer

Horizontal white lines 27A43.


You have some bad capacitors. They are located very near and next to your vertical IC. I would guess you would have to replace maybe four of these! Thanks for asking!

Jun 12, 2010 | Toshiba 27A43 27" TV

1 Answer

No picture no sound


Did you mean the picture is collapsed only in the middle horizontally(white line appears on the middle part of the screen)?
If that is the case, maybe vertical IC failed or loose connection.

Apr 05, 2009 | Toshiba CF32H40 32" TV

1 Answer

Horizontal white lines across top of TV screen


Vertical hold circuit is failing.

Check capicitor in vertical hold circuit. You should have solid knowledge of electronics repair before attemping repair. TV's can emmit harmful radiation, and produce voltages up to or in excess of 30kV.

Oct 07, 2008 | Televison & Video

3 Answers

Horizontal white lines across top of TV screen


Hi I had the same problem. Broken white lines across the top of the screen. This is called overscan. You need to go into the Setup menu, other settings. 16:9 overscan needs to be on. Hope this helps.It solved our problem.

Sep 15, 2008 | Panasonic CT-2006S 20" TV

1 Answer

Intense white & coloured horizontal line on black background on startup


I wouldn't attempt as the capacitors on a tv store around 25000 volts this is more than enough to kill you and they keep there charge even when the tv is off. Either take it to a repair shop or put that money towards buying a new tv - Do not even attempt to open the tv. (It sounds like maybe a tube has gone or the electromagnet that makes the beam move vertically is gone.

Sep 03, 2008 | Televison & Video

1 Answer

Poor picture quality


You need to consider the following tips herein as follow:

1) Field collapse (horizontal white line on screen)
R710 dry joints. Same as C2146TN & C2546TN problem solved with thanks to Mike G & Barty. Power off/unplug. Get to circuit board underside with aerial socket up-R710 is near top and right of centre-cluster of 4 joints best resoldered
2) Picture is horizontally narrowed and deformed
Capacitor C2913 (390nF, 250V) on the deflector PCB had lost capacity

Please let me know any update

Nov 29, 2007 | Toshiba 27AF42 27" TV

1 Answer

White horizontal line down middle of TV screen


caution whenever you see horizontal line please reduce brightness of your tv for safety of crt. your problem in vertical section only mostly due to loose contact in connector,print or loose components.

Sep 20, 2007 | Mitsubishi CS-35505 35" TV

1 Answer

Horizontal grey lines on TV


Sound like you have to turn down the G2 (screen)controls. They are turned up too high.

Jan 01, 2007 | Panasonic PT-56WXF95 56" Rear Projection...

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