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Horizontal problem i got my Toshiba TV and it has an horizontal line on it,but you heard everything that happening.the model is CF30F40.

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Looks like a problem with the vertical amp. Thats why you are getting a horizontal line. You may need to get it replaced. I recommend calling a qualified repairman to do the job.

Posted on Oct 27, 2008

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1 Answer

The image on my tv is stretched out on all 4 corners, makes it a pain to watch tv and play video games


Check and replace damaged component/s at its pin-cushion correction circuit.

Sep 23, 2013 | Toshiba CF30F40 30" TV

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My picture is doubled on my toshiba TN50V71 as if there is a shadow behind everything? Please help!


hi, sounds like a convergence issue. try this...
  • Look through your manual. Your manual will always give you the most specific directions for your particular model. Look for an "adjusting convergence" or "set manual convergence" section.

  • Enter the menu on your TV. Use the remote control and bring up the menu.
  • Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  • Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  • Press "Enter." A crosshair pattern will appear on your screen.
  • Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  • Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
  • Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
  • Repeat these steps for all colors.
    good luck!
  • Feb 02, 2011 | Toshiba TN50V71 50" Rear Projection...

    1 Answer

    There is a horizontal line in the mid


    Hello

    The vertical scan of your TV has failed. All picture tube type TVs have both horizontal and vertical scan sections to scan the picture on the secreen. When horizontal scan fails, you will see a vertical line at the middle of the screen, and if vertical scan fails, there will be a horizontal line through the middle of the screen. In your TV, the second stated has happened.
    This may be due to an IC trouble or a voltage loss inside the printed circuit board of your TV. To rectify this fault you have to open your TV, and locate the vertical output section inside it. It is very easy to locate that section. There will be four wires goes from the deflection yoke; the coil fitted at the neck of the picture tube; out ot which, two will be thick and the other two will be thin. The thick wires are usually colour coded as red and blue. Colour coding may differ from set to set. Anyway you have to follow the tow thin wires, as they are carrying vertical scan signal to the yoke.
    Following it, you will reach to a plug in point on the printed circuit board. Upside down the printed circuit board, and follow the track through which that wire connection goes, and finally you will reach to the vertical output section.
    There may be transistors or IC used on that section. First check the voltage at the vertical output section. Voltage lose also may occur in this section. If it uses IC, check for any loose or bad solderings at the terminals of the IC. I advice you to resoder the suspected points by applying a little more solder, without shorting the terminals. In most cases this will solve the problem. If there is voltage, and there is no loose solderings and still the fault perists, replace the IC or transistors, whatever it may be, with same type and number.
    If you want anymore asistance, fee free to contact me through Fixya. OK.

    Dec 27, 2010 | Toshiba CF30F40 30" TV

    1 Answer

    Toshiba TV picture has become single horizontal line in middle


    this problem is caused by a faulty ir of cap's . First is c408 on the board it is a 100uf @ 35v i replaced with same uf and @ 50v , Second is a 2.2uf @250v and is c410 on the board replace both and your off to the races.

    BEWARE OF HIGH VOLTAGE EVEN IF UNPLUGGED


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    Jul 22, 2010 | Toshiba 27AF43 27" TV

    1 Answer

    No image on a toshiba Cf27g50


    If it is a vertical line, change the horizontal output transistor + capacitors. If it is a horizontal line, replace vertical output transistor + capacitors. Both cost around $10-20.

    May 21, 2009 | Toshiba CF27G50 27" TV

    1 Answer

    Toshiba 32A14 horizontal line


    This symptom is characterized by a thin horizontal line in the middle of the screen. This symptom is caused by the absence of the deflection sawtooth current in the horizontal deflection coil.
    The trouble is easily isolated by a continuity test and by checking the most likely defective components such as A)open vertical linearity compensation transformer, B) open capacitor and C) open horizontal deflection coil.
    Be sure to decrease the brightness first before trouble-shooting if the line is very bright,as it burn the phosphor screen..

    Hope this may help;

    Regards,
    VOTIT

    DON'T FORGET TO RATE:

    Aug 19, 2008 | Toshiba 32A33 32" TV

    1 Answer

    Model 55X70 Toshiba Projection tv


    dont know about warranties but horizontal lines means your horizontal frequency which runs about everything has drifted off sync and if too high or low it will activate shut down circuits in high voltage and power suppy, even causing HOT transistor to short. good luck and call a tech.

    Sep 01, 2007 | Toshiba 55HX70 55" Rear Projection...

    1 Answer

    Horizontal lines


    If this model has a "lint screen" or air filter, I would check to make sure the set is getting proper ventilation. Otherwise, you probably have a bad solder connection or capicators going bad, causing your symptoms. Hopefully you won't have to get a replacement Printed circuit board as they are quite expensive.

    Jan 02, 2007 | Toshiba TheaterWide 62HM84 62" Rear...

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