A single set of horizontal lines could indicate damage, a graphics system failure, or loose internal video cables. Broken signals from cables or graphics hardware creates impurities in reproducing an image on an LCD screen, conditions that often manifest in the form of vertical or horizontal lines of color.
SOURCE: horizontal line or seam going from bottom to top of screen
the problem of your tv set is in the horizontal section! lost of horizontal voltage.. try to isolate capacitors around it then check it with ohmeter.
SOURCE: Many thin black horizontal lines on my Hitachi Ultravision 50" TV
Good Day, LDS also;
You may have a poor seated cable connector. Unplug TV from A/C, remove back look for a large black connector. It connects between the Main Digital Module and the Drive PWB. Re-insert both ends several times to make better contact, use contact cleaner if have but not always needed. Good Luck, big IRISH.
SOURCE: 3 INCHES HORIZONTAL LINES ON SCREEN
i have a whie line going horizontal all the way across the sceen. how do i get rid of it?
SOURCE: screen gets horizontal lines and jumpy screen.
Your problem is capacitors CP204 and CP205 by the 9 volt regulator on the main board. Cp204 is a 47 microfard @ 50 volt and the other is 100 microfard@ 16 volts
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