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4.9
TOP AND BOTTOM PCC ADJUSTMENT
a.
Connect cross-hatch signal to a set.
b.
On the PCB-DEFL, turn the T/B-PCC AMP Control
(VR702) fully clockwise.
c.
Adjust the T/B-PCC BALANCE Control (VR701) to
equalize the curvature of the top and bottom raster
edges.
d.
Adjust T/B-PCC PHASE Control (VR703) to left and
right symmetry of the top and bottom raster edges.
e.
Adjust T/B-PCC AMP Control (VR702) for straightness
of the raster top and bottom horizontal edges.
4.10
RASTER POSITION ADJUSTMENT
a.
Adjust horizontal and vertical raster size.
b.
Adjust Hor. Centering control (VR503) and Vert.
Centering control (VR404) on PCB-DEFL to center
raster on the screen.
4.11
VIDEO PHASE ADJUSTMENT
a.
Connect a video signal.
b.
Set the Hor. Hold control (VR502) to the center of
its operating range.
c.
Adjust Brightness, Gain and Contrast controls for
a picture of suitable contrast so that both dis-
played video and raster are visible.
d.
Adjust Hor. Phase (VR501) to center the picture on
the raster.
4-9
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