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Scan lines at top of screen

I have been told it is a split screen.. the problem is that there is a line of flashing lightand there are scan lis that show a reversed picture over the original picture.. when the coclor is dark or black there is no scan lines. when there is a light color the lines are prominate. Can this be fixed with the internal diagnose codes?

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  • JoedyJr Mar 01, 2008

    I have looked for this answer for sometime. thanks for getting right back to me. I was also wondering what would happen if I continued to run my set. I had a friend who had this same problem and it did exactley as you said again thanks Joe

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Not likely . Sound like you have vertical overscan problem due to a capacitor or two going weak. If you continue to run the tv with this as your problem your vertical section could over heat making the output IC fail causing a flat line going side to side . Good luck

Posted on Mar 01, 2008

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Normally horizontal line [a thin vertical line across the center of the screen] fault with CRT based TVs is the fault with its vertical scan output section circuit. 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. 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 of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

Jul 11, 2016 | Televison & Video

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Split screen, kind of inverted w/white wavy lines


It is a calibration problem, let me see if I can find some schematics for your tv.

Jul 19, 2008 | Panasonic CT-32SL14 32" TV

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The picture on my screen is shrinking there are ********* lines on top and bottom of screen


Fault to the main power supply regulator [SMPS] section. 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. 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 of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

Mar 21, 2016 | Toshiba 19A24 19" TV

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I have horizontal lines across screen have to turn on couple times til it comes on voice will work but screen not on turn off on then pic an sound with lines across screen


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 of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

Jan 01, 2016 | Televison & Video

1 Answer

I'm trying to fix my friends tv and I turn on the tv and it shows up for a split second and then turns to a blank screen I checked the power distribution board


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 the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.

May 09, 2015 | Apex Digital Televison & Video

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Where is horizontal scan out put section?


Hi Majid
Just contact any service technician to repair your TV. It will be best for you.
Gopakumar Gopalan Google

Feb 01, 2015 | Televison & Video

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Ia have a 42 in sanyo a year old there is a white line in the middle coming from the top of the screen to the middle


the prblem is very simple, that indicates that the horizontal is not okay. since the tv is lighting, the problem is on the two components
a line transformer out put should pass through a capacitor to the scan coil on the tube. check the continuity from a line transformer via a capacitor to scan coil.
ckay

Dec 20, 2009 | Insignia NS- 27" TV27 TV

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No picture on magnavox 32MT6015D


THAT THIN WHITE LINE IS YOUR HORIZONTAL LINE MEANING YOU ONLY HAVE THAT. THE GOO NEWS IS YOU HAVE HIGH VOLTAGE MEANING YOU ONLY NEED VERTICAL TO FIX IT.. I WOULD REPLACE THE VERTICAL TRANSISTOR OR CHECK FOR ANY BURNED RESISTORS ON THE VERTICAL SIDE

Feb 22, 2009 | Philips Magnavox 32MT6015D TV

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