Chapter 3---Service Adjustments
Figure 3-2 View of the CRT Assembly showing deflection yokes, width coils, CRTs and Video Amplifiers.
5.Remove the 2.5mm Allen screw holding the electronics module in place and tilt the electronics module (see CAUTION following) back to expose the CRT necks and yoke.
CAUTION! Remove anything plugged into the rear electronics jacks or the plugs could be badly damaged when the electronics module is tilted back.
6.While observing the center horizontal line on the grid pattern, rotate the green CRT deflection yoke, (the green CRT is in the middle), to achieve a level image at the center of the screen (if necessary, loosen the yoke clamp slightly to adjust it).
NOTE: Whenever adjusting the CRT yoke, push forward on the yoke while rotating it to ensure the yoke remains properly positioned on the CRT.
7.View R.
8.Rotate the red CRT deflection yoke (on the right of the projector–from the rear) to achieve a level image at the center of the screen (it should be parallel to the green central horizontal line).
Model 330, 340SC, 370SC Service Manual |
