Precaution - Sony EVI-D100 Service Manual

2-1-4. Precaution

1. Adjusting Procedure
Adjust in the given order.
Color bar chart standard picture frame
H
A=B
A B
Fig. a. (Video output terminal
output wavefom)
2. Subject
1) Color bar chart (Standard picture frame)
Adjust the picture frame as shown in figure if adjust-
ments are performed using the color bar chart.
2) White pattern (Standard picture frame)
Remove the color bar chart from the pattern box, and
insert a clear chart in its place. (Do not perform zoom
operations during this time.)
3) Chart for flange back adjustment
Combine a white A0 size (1189 mm x 841 mm) paper
to a black one, and make the chart shown in figure.
EVI-D100/EVI-D100P
0 ± 0.1 msec
V
B A
Enlargement
Difference in level
A B
Adjust the camera zoom and direction to obtain the output wavefom
shown in Fig. a and the TV monitor display shown in Fig. b.
Fig. b. (TV monitor picture)
Black
1189 mm
n
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.
Electronic beam
scanning frame
CRT picture frame
White
841 mm
2-5