Question about Sylvania 6427TE 27" TV

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Tv screen Screen has a horizontal line and no picture - will sometimes fix itself.

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Re: tv screen

Hi there, working sometimes means there's a lose solder at the vertical section. see the vertical ic, check the board for some lose connection and cold solder. do some test. ty

Posted on Jan 02, 2008

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We have a 27" MTS Stereo color TV. There are white horizontal lines at the top of the screen. We do have a DVR with Direct TV. How do we fix?

U can't.Only horizontal lines on the top parts of the tv screen or the lower parts of the picture screen.Or very light horizontal lines mix in with the tv screen pictures.The "CRT" the picture tube is slowly dying of old age.Quicker than they supose to.The late 90" these problems case show up alot more in standard tvs using CRT tube.Because the CRT and analog design about to be faze out of the market place.The glass molding and those radiation matrials,they used to make those "CRT" picture tube materials,not as good as before.

Aug 03, 2010 | Sansui Standard (CRT) Televisions

1 Answer

Picture goes to a single horizontal line.

Your problem is due to failure of the vertical scanning circuits in your TV. This is quite common and is caused by aging components. Generally drying out capacitors
You got to be careful not to leave it on too long when the picture collapses, it will burn a permanent line across the screen.
If you are an electronics expert you can fix it if you get a schematic. If not please don't attempt to reapir it yourself since there is high voltage in side the TV.
The problem may get worse with time.

Mar 13, 2010 | Toshiba 32D46 32" TV

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No picture on my tv and it has a horizontal line mid screen

either your vertical driver or output circuit capacitor(s) defective, try this remove rear cover and with something insulated like a straw prod and poke around the circuit board,sometimes theres a cold solder joint, if picture starts to expand on screen its a solder joint

Oct 18, 2009 | Standard (CRT) Televisions

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This is a common problem usually seen when playing copy protected tapes. The part of the picture affected is normally off the top of the screen. Sometimes the problem is also due to the VCR itself and differences in tapes. It's also possible for the TV itself to be causing this, although you would probably also notice this flag-waving (that's what it's called) on regular TV viewing if that were true.

Sometimes increasing the height of the picture can push the affected area off the top again. But this can also cause you to lose part of the picture you want. Also, the height adjustment may be difficult to find as it's not something normally used. On some TV's it's a small pot somewhere on the board, but most newer sets have electronic adjustments through a service menu that you need to know how to access.

I'd suggest trying another VCR first and play one of the tapes you know shows the trouble. That might be all it takes. Then consider trying to increase the picture height if it's just a small bit at the top of the screen.

Mar 12, 2009 | Zenith B25A11Z 25" TV

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After a household power blips during bad weather, we have horizontal lines ....

Unfortunately there isn't any way to repair your tv as the magnet has distorted the tube that is in the tv and with CRT becoming obsolete the repair is likely to be very costly so probably your chaepest option is to buy a new tv .

Mar 13, 2008 | Standard (CRT) Televisions

2 Answers

One White Horizontal line on black screen

replace the vertical IC problem solved

Dec 31, 2007 | Sanyo DS25390 TV

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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

2 Answers

Horizontal 'pinstripe' lines on all channels

sound like the screen control on the flyback is set just a little too high. the flyback has the red wire attached to the tube. the flyback has 2 small adjustable controls. if you look close enough 1 is marked focus & on is screen. turn the screen slightly to the left & look at your picture. the screen is like a master brightness & if it's up too high you will see what is called retrace lines. good luck.

Jan 16, 2007 | Daewoo DTQ-20N3FC 20" TV

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No picture

You have an intermittant vertical sweep circuit! It could be the vertical out put IC solder connections on the printed circuit board, or maybe the IC itself has poor connections between the IC and the contact legs that mount the IC, or another componet in the vertical sweep circuit. If you know how to solder and unsolder, work on printed circuit boards, then you shoul have no problem replacing the vertical sweep circuit. Good Luck

Oct 09, 2006 | Panasonic CT-25G6 25" TV

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