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How to fix a telefunken tv, the screen only shows a horizontal line on the centre and there is no sound which part maybe a failure

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Vertical sweep output circuit has the fault. There is no vertical scan. If you wish to get more details, check the site linked below. It has over 2400 posts now, and all are related to service help to different brand TVs. Pull up older posts there. You can also do a search by the brand name and model number to your device under concern; by type in the brand name and model number to its search box, located at the top right of the display window.
http://electronicshelponline.blogspot.com/

Posted on May 04, 2013

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Horizontal Line

A LINE left / right thru the middle ( horiz line) indicates a problem in the vertical circuit.First step is to solder the pins of vertical o/p
IC.........Next, troubleshoot vertical circuit to look for problem...T.

Please rate solution................................

Posted on Nov 15, 2007

nfandres
  • 168 Answers

SOURCE: 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!

Posted on Mar 10, 2007

  • 45 Answers

SOURCE: Nopicture

No vertical deflection. Vertical output IC, caps.

Posted on Nov 25, 2007

  • 579 Answers

SOURCE: Tube TV - one thin horizontal line of bright light

Vertical defection failure. Common failure. Pretty easy to repair ($50-75?). However, my general rule of thumb is not to waste any more money on TVs over 10 years old. Too much other stuff in there ready to fail as well.

Posted on Jan 24, 2008

yambo
  • 230 Answers

SOURCE: Thin Horizontal line through tv blank screen.

Replaced vertical IC ( la78041 ??>.. Or La78040 ). Look for born resistor beside IC. Replaced capacitor 100uf 35V too!!! Good luck !!

Posted on Jul 24, 2008

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1 Answer

My Telefunken TV model 215 doesn't show but it makes sounds normally as it is playing but the screen is black...it doesn't show...whats seems to be the problem...please help


Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Type in this key phrase " my service table today " in the search box at the top right of the display window, to get gathered some pages which has the details of practical experiences to the author of that site.

Oct 01, 2015 | Televison & Video

2 Answers

My led samsung tv has a horizontal line and the upper right corner shows a white vertical lines


Not good. You may have a tab failure. A repair shop may be able to diagnose and repair this, but most likely the lcd panel is broken. The panel is the most expensive part of flat tv's. A new panel will cost more than a used tv.

Feb 02, 2015 | Samsung Televison & Video

1 Answer

Buzzing sound and the screen freezes with horizontal lines on the screen


if you use external monitor works ok?or same situation?
its sounds like a failure of the graphic card

Oct 06, 2012 | HP Pavilion dv6t Notebook

1 Answer

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

My telefunken has a problem. The guy that tried fixing it says that the tv is in PROTECTION (the light just flashes and no picture or sound comes through. Please help


If the set is in protection mode, that is normally caused by short circuit line output stage, short circuit frame output stage, short circuit audio output etc. It shouldn't be too dificult to fault find, even without a service manual.
Look for an authorised Telefunken service centre.

Mar 14, 2011 | Televison & Video

1 Answer

Horizontal blue line in centre with black back background


This fault sounds like a frame colllapse. The supply voltage to the frame IC may have gone open circuit or the frame IC itself has gone faulty. Unless you are experienced with electronic repairs I strongly suggest you are best to take it to a repair centre.

Jun 21, 2009 | RCA F32450 32" TV

1 Answer

Screen goes to horizontal line


Maybe the vertical IC got some cracked solder joints and the reparation worth it

Apr 24, 2009 | Televison & Video

1 Answer

Jvc av-32wf36--have sound no picture


A bright Horizontal Line indicates failure of teh Vertical deflection Circuits.
Get a competent Technician to have a look.

Nov 30, 2008 | JVC AV-27230 27" TV

1 Answer

JVC 27" CRT TV AV-27BP3 display shows single horizontal line


I have a similar problem on my CRT computer monitor (AcerView 76c). It is an old screen and I think it is just at the end of its life, much like your TV. Having some background in physics, I would be pretty sure that the problem is with the cathode ray tube's vertical deflection system. The horizontal deflection electrodes are working while the vertical one is not. This results in a display of a single horizontal line (or in my case, a few superimposed) in the centre of the screen. Where both X and Y (horizontal and vertical) deflectors fail then the electron gun firing would result in a single bright spot in the dead-centre of the screen.

So really, we have no choice but to move on and buy a new set as repair is probably just as, if not more, expensive than replacement with a new device. Seeing as your post was in 2007, I hope you managed to solve the problem.

Best wishes,
SZ (Sydney, AUS)

Dec 24, 2007 | Televison & Video

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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