Question about Apex Digital AT2708S 27" TV

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No Picture My screen is white with vertical lines accross. Sound ok There was a beautiful picture, great color, then I had a problem with TIVO loosing its menu.

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Re: No Picture

If when you press the volume or channel up or down button you get no OSD, that's is no channel number or volume up bars, have some one check the set for either a defective video out IC or a defective picture tube, or a bad cap in the power supply. Set should be serviced by a TV repair person.

Good day!


Posted on Nov 06, 2007

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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

Evenly spaced vertical lines

Check the smoothing capacitor to video output supply voltage, usually derived from any one winding of the LOT. It will come around 10uF350VDC to 47uF 350VDC range. If this capacitor is faulty, or gone less in capacitance with time, this type of fault will occur. Check the green volour output transistor on the video output card, can be located attached to the neck of the picture tube; for any loose soldering or leakage. OK.

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No picture. Just a vertical line accross the screen.

When this kind of set comes in for this problem, it is typically caused by a leaky/intermittent diode D402, located next to the heat sink for the vertical deflection IC. I will typically also replace the vertical deflection IC at the same time, just to avoid repeat failures.

Jul 06, 2009 | Toshiba 32DF46 32" TV

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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

Apr 18, 2009 | Sanyo DS27820 27" TV

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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.

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2 Answers

1995 Mitsubishi 40" Television - Worth Repairing?

there are bad solder connections on the vertical deflection IC resolder them and you will be fine

Mar 13, 2008 | Mitsubishi CS-40503 TV

2 Answers

One White Horizontal line on black screen

replace the vertical IC problem solved

Dec 31, 2007 | Sanyo DS25390 TV

1 Answer

Panasonic TV - no picture, but sound is ok



it is due to vertical section failure.

  • before you start any work reduce brightness to avoid crt burn.
  • please check some loose contact or loose connector.
  • check supply to vertical section
  • check parts in vertical output section
  • check vertical ic.
  • hope this will help.
  • good luck.

Oct 17, 2007 | Standard (CRT) Televisions

1 Answer

Mitsubishis TV Problem

have a Mitsubishi TV 1993. Model CS-35301. The problem is that there is a white line that is running through a blank screen. The sound is fine just no picture. Have you heard of "Vertical Collapse?" I would love to save the TV. Hi nothing to worry just minimise brightness to avoid screen burn. "Vertical Collapse?" means one bright hor.line in the middle of screen. this problem can be solved 1 check vertical yoke connector or wire loose 2 check supply to vertical section which normally comes from EHT transformer check components in vertical section or print loose regards thanks

Sep 10, 2007 | Standard (CRT) Televisions

1 Answer

Sound but no picture

A white like across the screen means that the vertical circuit has stopped working. Look for a small fuse that looks like a resistor near the vertical output IC, replace that fuse if open and resolder the pins on the vertical output IC.

Jul 08, 2007 | Toshiba CZ32V51 32" TV

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