3-2
UP-895/(E)
3-3. Brightness and Contrast Adjustment
Machine condition for adjustment
. Input signal: 10 steps signal
. In case, monitor is not connected, set DIP
switch != on the rear panel to ON, if
connected, set to OFF.
. Set CONTRAST and BRIGHT knobs to
the center position on the front panel.
Specification
TP6 (AD IN)/MA-99 (B-3) Output waveform
TP7 (VRT)/MA-99 (B-3) Output voltage
TP8 (VRB)/MA-99 (B-3) Output voltage
Adjust RV6 so that mid voltage between 0 and
1 is equaled to the VRB voltage.
Adjust RV5 so that mid voltage between 9 and
10 is equaled to the VRT voltage.
Adjustments
C ADJ adjustment
1RV5/MA-99 (C-1)
B ADJ adjustment
1RV6/MA-99 (C-1)
MA-99
1RV5
1RV6
TP7
TP8
TP6
VRT
(TP7)
VRB
(TP8)
AD IN
(TP6)
0
1
2
3
4
5
6
7
8
9
10
RV6
VRB0
1
2
RV5
VRT8
9
10
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