ADJUSTMENT OF DEFLECTION LOOP
Note; During the adjustment, keep the unit facing the east.
FOCUS ADJUSTMENT
1.
Receive “MONO SCOPE PATTERN” signal.
2.
Set Contrast and Brightness controls at
CENTER position.
3.
Adjust Focus control to have best focus at the
central area of CRT.
Adjust point
HORIZONTAL CENTERING CONTROL:
R602
This adjustment should be performed
after the purity and convergence
adjustments.
1.
Receive “MONO SCOPE PATTERN” signal.
2.
Adjust
R602
so that the horizontal center of
picture is at the position which gives the
relation of A = B .
VERTICAL LINEARITY CONTROL: R526
1.
Receive “MONO SCOPE PATTERN” signal.
2.
Adjust
R526
so that the vertical linearity of
picture is at best point.
VERTICAL SIZE CONTROL:
R503
1.
Receive “MONO SCOPE PATTERN” signal.
3.
Adjust
R503
so that the vertical size of picture
2.
Set the Brightness and Contrast controls at
is at best point.
maximum position.
l Vertical size:
8%
TYP
(Max. 10%)
VERTICAL CENTERING CONTROL:
S501
This adjustment should be performed
after the purity and convergence
adjustments.
1.
Receive “MONO SCOPE PATTERN” signal.
2.
Adjust
5501
so that the vertical center of
picture is at the geometrical center of screen.
11
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