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)
3-10
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
Mode
(VA-185 board)
R SHAD
CL101
G SHAD
CL201
B SHAD
CL301
Spec.
DXC-D30WS/P(E)/V1