(4) Picture tilt adjustment
(9) Focus fine adjustment
Adjust
:
Deflection coil
Adjust
:
VR6 (FOCUS)
Main board
0
Loosen the deflection coil holding screw.
0
Adjust VR6 (FOCUS) for best focus in the monitor.
0
Turn the deflection coil until the raster on the monitor
-,
.
screen is straight.
_
0
Carefullytighten the deflection coil holding
screw.
(5) Centering adjustment
Adjust
:
Centering magnets
LE
(H. WIDTH)
Main board
0
Adjust the centering magnets until the raster comes to
the center of monitor screen becomes true circle.
0
Adjust L8 (H. WIDTH) so that the circle of the resolution
chart on the Monitor screen.
(6)
Vertical height and linearity adjustment
Adjust
:
VR4 (V.LIN)
Main board
VR3
(V. HEIGHT)
Main board
0
Adjust VR3 (V. HEIGHT) and V. LIN VR4 so that the
circle
in
the chart is nearly a true circle.
(7) Sub-brightness adjustment
Adjust
:
VR2 (SUB BRIGHT)
Main board
0
Set the controls on the volume board as follows.
Contrast Control
:
Bright Control
:
Fully counter clockwise
Mechanical Center position
0
Turn
VR2
(SU8
BRIGHT) fully clockwise and then turn it
back so that the raster will just go out.
0
Turn VR8 (CONTRAST) at mechanical center position.
(8)
H hold, V hold fine adjustment
Adjust
:
VRS
(H.HOLD)
VRll
(V. HOLD)
Main board
Control board
0
Disconnect all cameras from the camera input connector
1,2,3
and 4.
0
Connect the frequency counter to pin 2 (Yellow wire) of
deflection coil and adjust the
VR5
(H HOLD) on the Main
board for 158KHz
f
50Hz.
0
Connect the frequency counter to Pin 3 (Red wire) of
deflection coil and adjust the
VRll(V
HOLD) on the
control board for
47.3Hz
2 0.5Hz.
.
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.
.
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