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UP/DOWN ROCKING OF THE YOKE

CAUSES OPPOSITE ROTATION OF RED

AND BLUE RASTERS

12. While watching the 6 o'clock positions on the screen, rock the

front of the yoke in a vertical (up/down) direction to converge

the red and blue vertical lines. (Fig upper left)

13. Temporarily place a rubber wedge at the 12 o'clock position

to hold the vertical position or the yoke.

14. Check the 3 o'clock and 9 o'clock areas to confirm that the red

and blue horizontal lines are converged.

If the lines are not converged, slightly offset the vertical tilt of the

yoke (move the rubber wedge if necessary) to equally balance the

convergence error of the horizontal lines at 3 o'clock and 9 o'clock

and the vertical lines at 6 o'clock and 12 o'clock.

15. Place a 1.5 inch piece of glass tape over the rubber foot at

the rear of the 12 o'clock wedge.

16. While watching the 6 o'clock and 12 o'clock areas of the

screen, rock the front of the yoke in the horizontal (left to

right) motion to converge the red and blue horizontal lines.

(Fig. upper right)

LEFT/RIGHT ROCKING OF THE YOKE

CAUSES OPPOSITE SIZE CHANGE OF THE

RED AND BLUE RASTERS

17. Temporarily place a rubber wedge at the 5 o'clock and 7

o'clock positions to hold the horizontal position of the yoke.

18. Check the 3 o'clock and 9 o'clock areas to confirm that the

red and blue vertical lines are converged. If the lines are not

converged, slightly offset the horizontal tilt of the yoke (move

the temporary rubber wedges if necessary) to equally

balance the convergence error of the horizontal lines at 6

o'clock and 12 o'clock and the vertical lines at 3 o'clock and 9

o'clock.

19. Using a round magnet confirm purity at the center, right and

left sides and corners. See Purity Adjustment Procedure.

20. Reconfirm convergence and apply a 1.5 inch piece of glass

tape over the rubber foot at the rear of the 5 o'clock and the 7

o'clock wedges.

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