Sony CCD-TRV15, Service Manual

Page: 92 / 253

5-5
1-1-3.Precaution
1. Setting the Switch
Unless otherwise specified, set the switches as follows and perform
adjustments without loading cassette.
1. POWER switch (MA-311/312/331 board) ............. CAMERA
2. NIGHT SHOT switch (Lens Block) ................................ OFF
(Night shot model)
3. VIDEO LIGHT switch (MA-312 board) ........................ OFF
(Video light model)
4. DEMO MODE (Menu display) ....................................... OFF
5. DIGITAL ZOOM (Menu display) ................................... OFF
6. STEADY SHOT (Menu display) .................................... OFF
7. DISPLAY (Menu display) ................................. V-OUT/LCD
8. FOCUS switch (MF-8500/MR-8500)
(Manual Focus model) .......................................... MANUAL
9. PROGRAM AE (CF-50/51 board) .................................. Auto
10. BACK LIGHT (CF-50/51 board) .................................... OFF
11. PICTURE EFECT (CF-50/51 board) .............................. OFF
12. 16 : 9 WIDE (MENU display) ........................................ OFF
2. Adjusting Procedure
Adjust in the given order.
Fig. 5-1-5.
3. Subject
1) Color bar chart (Standard picture frame)
Adjust the picture frame as shown in Fig. 5-1-5. 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 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 Fig. 5-1-6.
Fig. 5-1-6.
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.
Color bar chart standard picture trame
H
A B
A=B
B A
0
±
0.1 msec
V
Enlargement
Difference in level
A B
Electronic beam
scanning frame
CRT picture frame
Fig. b. (TV monitor picture)
Yellow
Cyan
Green White
Magenta
Red
Blue
Yellow
Cyan
Green
White
Magenta
Red
Blue
Fig. a. (Video output terminal
output wavefom)
Adjust the camera zoom and direction to obtain the output wavefom
shown in Fig. a and the TV monitor display shown in Fig. b.
841 mm
1189 mm
White
Black