Alignment and Adjustments
4-3-8 Center Convergence Adjustment
1. Warm up the receiver for at least 20 minutes. 5. Turn the both tabs at the same time, keeping
the angle constant, and superimpose the red
2. Adjust the two tabs of the 4 pole magnets toand blue horizontal line in the center of the
change the angle between them. Superimposescreen.
the red and blue vertical lines in the center
area of the screen. 6. Adjust the two-tab pairs of the 6-pole magnets
to superimpose the red and blue line onto the
3. Adjust the Brightness and Contrast controlsgreen. (Changing the angle affects the vertical
for a well defined picture.lines, and rotating both magnets affects the
horizontal lines.)
4. Adjust the two-tab pairs of the 4 pole mag-
nets, and change the angle between them.7. Repeat adjustments 2~6, if necessary.
Superimpose the red and the blue vertical
lines in the center area of the screen.8. Since the 4-pole magnets and 6-pole magnets
interact, the dot movement is complex
(Fig. 4-4).
BLUEREDRED/BLUEGREEN
BLUERED/BLUE
REDGREEN
4-Pole Magnet Movement6-Pole Magnet Movement
Fig. 4-4 Center Convergence Adjustment
4-7 |
ACEC
