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Video Miscellaneous Board
Black indicator level
25. Use the controls at the rear of the camera to set the white indicator level for the monitoring output by navigating
through the menu system to menu number 318 and setting the value to 85.
26. Connect oscilloscope terminated with 75 Ohm to the VF output of the camera.
27. Adjust the black level of the indicators of the VF output signal to the same level as the blanking.
Measure at:
Adjust with:
VF output
ZR47
28. On connector B of the service extender remove the short circuits on the input to Video Processor 1 Board
by disconnecting the jumpers fromB7 to B9
Reconnect
A7 to B7
A9 to B9
A11 to B11
A13 to B13
A17 to B17
A19 to B19 on connector B of the service extender.
Adjustments
Required result:
Correct:
100
90
10
0%
B11 to B13
B17 to B19
Technical Manual LDK 20(S) - Studio Camera
Incorrect:
0.2V
10µS
100
VB+714mV
0.2V
10µS
90
10
0%
VB+714mV
4-23
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