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This is accomplished in the following man-
ner:
a)
Switch the display monitor ON and allow it
to warm up for 15 minutes.
b) Apply the crosshatch pattern (FIG.9) from
the computer to the display monitor. Ob-
serve spacing between lines atround the
edges of the CRT.
c) Tilt the deflection yoke up and down Insert
tilt adjustment wedge 1 and 2 between the
deflectin yoke and the CRT until the mis-
convergence illustrated in FIG.12 has been
corrected.
d) Tilt the deflection yoke right and left. Insert
tilt adjustment wedge 3 between the deflec-
tion yoke and the CRT until the misconver-
gence illustrated in FIG.13 has been
corrected.
e) Alternately change the spacing between, and
depth of insertion of, the three wedge until
proper dynamic convergence is obtained.
f) Check purity and readjust, if necessary.
,
,
FIGURE
BLUE
(RED)
- -
GREEN
1-----------1
I
t
RED
I
I"
(BLU~I
RED
II\(BLUE),
I
r.i. ________
1
GREEN
BLUE
(RED)
FIGURE 13. DYNAMIC CONVERGENCE B
WEDGE@
WEDGE@
FIGURE 14. DEFLECTION YOKE REAR VIEW
- 15--
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