Video Level Adjustment; Brightness And Contrast Adjustment - Sony UP-960 Service Manual

3-2. VIDEO LEVEL ADJUSTMENT

Machine condition for adjustment
• Input signal 10 step signal
NTSC : 1410 signal generator
PAL : 1411 signal generator
• In case, monitor is not connected,
set DIP switch pin 1 on the rear
panel to ON, if connected, set to
OFF.
• Adjust RV4 (AGCOFFCONT)
using 10 step signal input.

3-3. BRIGHTNESS AND CONTRAST ADJUSTMENT

Machine condition for adjustment
• Input signal 10 step signal
NTSC : 1410 signal generator
PAL : 1411 signal generator
• In case, monitor is not connected,
set DIP switch pin 1 on the rear
panel to ON, if connected, set to
OFF.
• Adjust RV5 (C ADJ) and RV6
(B ADJ) using 10 step signal input.
• Set CONT and BRT knobs to the
center position on the front panel.
3-2
Specifications
TP5 (AMP IN)/MA-91 (E-1) Output waveform
Adjust so that video signal level is 1.0 V.
Specifications
TP6 (AD IN)/MA-91 (E-1) Output waveform
8
7
6
5
4
3
2
0 1
RV6
2
1
0
Adjust so that mid voltage
between 0 and 1 is equaled
to the VRB voltage.
RV5
10
9
Adjust so that mid voltage
between 9 and 10 is
equaled to the VRT voltage.
1.0 V
9 10
VRT
(TP7)
VRB
(TP8)
VRB
VRT
Adjustments
AGCOFFCONT Adjustment
1 RV4/MA-91 (G-2)
MA-91
TP5 1
RV4
Adjustments
C ADJ Adjustment
1 RV5/MA-91 (F-2)
B ADJ Adjustment
1 RV6/MA-91 (F-2)
MA-91
TP6
RV6
1
TP8
1
RV5
TP7
UP-960(UC)
UP-960CE(CE)