This could simply be a convergence issue with this monitor. Check for the convergence/voltage box and adjust the RGB screws until the issue goes away (in this case the RED screw). Older sets usually have this problem so the fix is easy.
Check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/ Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
Answers & Comments
This could simply be a convergence issue with this monitor. Check for the convergence/voltage box and adjust the RGB screws until the issue goes away (in this case the RED screw). Older sets usually have this problem so the fix is easy.
Check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.