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G
R
B
Figure 17. Vertical yoke movement
R G B
Figure 18. Horizontal yoke movement
2 Poles (VRS Adj)
4 Poles
6 Poles
Figure 19. Convergence magnets and convergence controls
IMPORTANT NOTE:
Always exit the service mode
following adjustments.
As the yoke is tilted
vertically, the rasters
produced
by
outside guns rotate in
opposite directions.
Raster produced from one of the
outside electron beams
Raster from the other side electron
beam
Static convergence magnets are set for
center convergence
As the yoke is tilted horizontally, one
raster gets larger while the other gets
smaller
For adjustment
2 poles (purity)
of DY (Y
dynamic convergence
- 18 -
the
/Y
/X
)
HC
V
V
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