Re: Line across bottom. Appears to be repeat of top of...
Try opening the monitor disconect the display panel from pcb power on amd then connect ur display panel. Hopefully display will be remaped when u restart the monitor
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Yes you reprogrammed your unit to bottom depth.
Go to settings and use the arrow buttons until you get to the top of the unit. The menu will have several different settings you need to change the sonar settings. After you play around with all the different settings you will see what I'm talking about.
To clarify, are the 3 black lines horizontal (left to right across entire width of screen)? or are the 3 black lines vertical (top to bottom across entire height of screen)?
Horizontal lines are almost always the result of a failed panel, and no board replacement will fix the issue.
Vertical lines such as you have described (only 3) are probably also a bad panel. If the black lines were evenly spaced in a repeating pattern, it could be a mainboard or TCONN board.
Has this panel been cracked? or perhaps cleaned recently with too much water or cleaning solvent that has gotten the screen wet?
If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts
Try formatting the memory card in the computer then format it again in the camera and see if that clears the problem. Also try another memory card but if the problem persists it probably needs a repair.
It sounds as you desribe, the vertical output IC and or the b+ feed capacitor off the Hi voltage transformer feeding the vert. IC its required voltage. Not a really hard job to replace, but not for a handi person to do. This should be left to the professional, as there are no user serviceable parts inside this set and with the HI voltage and the safety issues its best to call somesone to assist you with this repair. Good Luck
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