Adjustments
Technical Manual LDK 20(S) - Studio Camera
4-41
Encoder Board PAL
Burst amplitude
19. Adjust the burst amplitude potentiometer to obtain a burst amplitude of 300mV.
Measure at:
Adjust with:
Required result:
Correct:
CVBS out
ZR210
300mV
0%
10
90
100
0.1V
2µS
VA+300mV
Burst timing
20. Observe waveform monitor or oscilloscope and adjust the burst position so that it is 5.6µS from the leading
edge of the line synchronisation.
Measure at:
Adjust with:
Required result:
Correct:
CVBS out
ZR209
0%
10
90
100
50mV
1µS
t+5.6µs 178kHz
Genlock free-running preset
21. Remove genlock signal from camera.
22. Turn lock range potentiometer ZR215 fully counterclockwise.
23. Observe colour monitor, waveform monitor or vectorscope and adjust oscillator preset potentiometer.
Measure at:
Adjust with:
Required result:
CVBS out
ZR216
Minimum freerunning speed
Sc-H phase relationship
24. Switch vectorscope to internal synchronisation.
25. Adjust Sc-H phase potentiometer for 180°.
Measure at:
Adjust with:
Required result:
Correct:
CVBS out
ZR217
20
40
R
60
80
0.7
100
120
20
43
0.3
g
YL
MG
cy
b
B
yl
G
r
CY
mg
75
100
U
V
0
0
5
-5
%
VOLT
26. Switch off power and return encoder board to its position in the camera.
Содержание STUDIO CAMERA LDK 20(S)
Страница 1: ...LDK 20 S LDK 20 S LDK 20 S LDK 20 S LDK 20 S Studio Camera Technical Manual 3922 496 48591 St 00...
Страница 8: ...1 4 Technical Manual LDK 20 S Studio Camera Safety Instructions...
Страница 84: ...4 58 Technical Manual LDK 20 S Studio Camera Adjustments...
Страница 90: ...5 6 Technical Manual LDK 20 S Studio Camera Drawings...