6-1-3. Precautions 1. Adjusting Procedure Adjust in the given order.
2. Subject 1) Color bar chart (Standard picture frame) Adjust the picture frame as shown in Fig. 6-4. if adjustments are performed using the color bar chart. (Standard picture frame) 2) White pattern (Standard picture frame) Remove the color bar chart from the pattern box, and so that the white pattern will be displayed. Don�t touch the zoom switch.
CRT picture frame Electoronic beam scanning frame
H Cyan Green
White
Color bar chart standard picture frame Magenta
Yellow
Red Blue
V AB A=B BA Enlargement Fig. b. (TV monitor picture)
Fig. a. (Video output terminal output waveform)
Difference in level
B
A
Adjust the camera zoom and direction to obtain the output waveform shown in Fig. a and the TV monitor display shown in Fig. b.
Fig. 6-4.
3) Chart for flange back adjustment Combine a white A0 size (1189 mm � 841 mm) paper to a black one, and make the chart shown in Fig. 6-5.
White
Magenta Red Blue
0 ± 0.1 msec Yellow Cyan Green
841mm
White
Black
1189mm
Fig. 6-5.
Note: Use the non-reflecting and non-glazing vellum paper whose size is more than A0, and make the boundary between white and black to be smoothly flat.
