Precaution - Sony BRC-300 Service Manual
3ccd color video camera / optical multiplex unit
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Also See for BRC-300:
- Command list (23 pages) ,
- Specifications (8 pages) ,
- Brochure & specs (8 pages)
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3-2-4. Precaution
1. Adjusting Procedure
Perform the adjustments continuously from Sections 3-2-8 to 3-2-21 in order.
2. Subject
(1) Color-bar chart (Standard picture frame)
Adjust the picture frame as shown in the following figure if adjustments 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.)
Color bar chart standard picture frame
H
A = B
A B
Fig. a. (Video input/output terminals
output wavefom)
(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 right
figure.
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.
BRC-300/300P
BRU-300/300P
B A
Enlargement
Difference in level
A
B
Adjust the camera zoom and direction to obtain the output waveform
shown in Fig. a. and the TV monitor display shown in Fig. b.
3-2. BRC-300/300P Camera Block Electrical Alignment
0 ±0.1 ms
V
Fig. b. (Color monitor picture)
Black
Electronic beam
scanning frame
CRT picture frame
White
841 mm
1189 mm
3-7
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