Tip: Dont mess with the neck as it will be difficult to adjust if you screw with it. What I do, first get the voltage right so that no lines are running across the screen by adjusting the flyback. Then set your controls in the center as best as possible. Then adjust focus and brightness levels, try not to mess with the pincusion if it ok as this can make a sane man crazy. Make sure to use a plastic screwdriver to adjust the flyback, buy the set at radio shack for a few bucks, Its a life saver.. Check out bobroberts and other sites for great tips and screen shots of this, good luck !