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DXC-D30WS/P(E)/V1
3-3-13. Shading Adjustment
Note : Perform this adjustment when the lens or
CCD unit is replaced.
Object: White portion of pattern box
Equipment: Waveform monitor, Oscilloscope
To be extended: VA-185 board
Trigger: VD (TP73/extension board)
Adjustment Procedure
1. SERVICE menu “PAGE 2”
→ R SHAD:
G SHAD:
B SHAD:
2. Shoot the center portion of pattern box by zooming the
lens to fully TELE position.
3. Adjust the lens iris so that the level “A” is 70 ±2 IRE
(for PAL: 490 ±14 mV) on the VIDEO OUT connector
of camera.
Waveform monitor
4. In the following mode, adjust the UP 4 switch or
DOWN $ switch so that the waveform of the
oscilloscope becomes flat.
GND: TP38/extension board
Test point Spec.
Mode (VA-185 board)
R SHAD CL101
G SHAD CL201
B SHAD CL301
3-3-12. Pedestal Adjustment
Equipment: Waveform monitor
Test point: VIDEO OUT/Camera side
Adjustment Procedure
1. SERVICE menu “PAGE 15”
→ MELK ADJ:
2. Close the lens iris.
3. Push down the “W/B” switch on the camera to “BLK”
side.
4. Adjust the pedestal level by UP 4 witch or DOWN $
switch.
Specification : A = 10 ±1 IRE (for NTSC)
20 ±7 mV (for PAL)