Sony Mavica MVC-FD85, Service Manual

Page: 61 / 112

5-7
1-1-5. Precaution
1. Setting the Switch
Unless otherwise specified, set the switches as follows and perform
adjustments.
1. DEMO MODE (SETUP menu) ....................................... OFF
2. DIGITAL ZOOM (CAMERA menu) .............................. OFF
3. WHITE BALANCE (CAMERA menu) ...................... AUTO
4. FLASH LEVEL (CAMERA menu) ....................... NORMAL
5. EXPOSURE (CAMERA menu) ...................................... 0EV
6. P. EFFECT (EFFECT menu) ........................................... OFF
7. PROGRAM AE (PK-52/50 board) .............................. AUTO
(No mark indicated on LCD)
8. MACRO (PK-50 board) (MVC-FD90) ............................ OFF
9. FOCUS (MF unit) (MVC-FD90) .......................... MANUAL
(PK-52 board) (MVC-FD85) ......................... AUTO
(No mark indicated on LCD)
10. DISPLAY (PK-52/50 board) ............................................ OFF
2. Order of Adjustments
Basically carry out adjustments in the order given.
3. Subjects
1) Color bar chart (Color reproduction adjustment frame)
When performing adjustments using the color bar chart, adjust
the picture frame as shown in Fig. 5-1-6. (Standard picture
frame)
2) Clear chart (Color reproduction adjustment 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) Flange back adjustment chart
Make the chart shown in Fig. 5-1-7 using A0 size (1189 mm
×
841 mm) black and white vellum paper.
H
A=B
C=D
A B B
C D
A
Enlargement
V
Electronic beam scanning frame
CRT picture frame
B
A
Difference in level
Y
ello
w
Cy
an
Green
White
Magenta
Red
Blue
Y
ello
w
Cy
an
Green
White
Magenta
Red
Blue
Video terminal
output waveform
Fig. b (monitor TV picture)
Fig. a
White
Black
841mm
1189mm
Color bar chart (Color reproduction adjustment frame)
Adjust the camera zoom and direction to
obtain the output waveform shown in Fig. a
and the monitor TV display shown in Fig. b.
Fig. 5-1-6.
Note: Use matte vellum paper bigger than A0, and make sure the edges of
the black and white paper joined together are not rough.
Fig. 5-1-7.