Precautions; Switch Settings; Adjustment Sequence; Subject - Sony MVC-FD71 Service Manual

1-1-2.

Precautions

1. Switch settings

Adjust the switches to the following positions.
1) PLAY/CAMERA switch
(PK-43 board S708) ··············································· CAMERA
2) FLASH (PK-43 board S705) ··········································· OFF
3) PROGRAM AE (PK-43 board S707) Turn OFF all marks

2. Adjustment sequence

Adjust in the given order.

3. Subject

1) Set the camera and pattern box as shown in Fig. 5-1-2.
2) Color bar chart (Standard picture frame)
• Adjust the picture frame as shown in Fig. 5-1-3.
• Adjust camera zooming and direction until the camera output
waveform on the oscilloscope shown in Fig. 5-1-3 (a) and the
color picture on the LCD shown in Fig. 5-1-3 (b) have been
acquired.
• Maintain this setup until adjustment is complete.
Horizontal rate
A=B
B
A
C=D
C
H
Fig. a CPC-9 jig TP-VG output waveform
4) Chart for flange back adjustment
Join together a piece of white A0 size paper (1189mm × 841
mm) and a piece of black paper to make the chart shown in
Fig. 5-1-4.
Note: Use a non-reflecting and non-glazing vellum paper. The
size must be A0 or larger and the joint between the white
and black paper must not have any undulations.
from the LCD
D
H
3) White pattern (Standard picture frame)
Remove the color bar chart from the pattern box and adjust the
camera setup until the white pattern picture frame is the same
size and same position as the color bar chart (the standard
picture frame).
Pattern box
Fig. b Confirm on LCD (Underscanned display)
Adjust direction and zoom of camera so that the picture frame
is adjusted as specified by Fig. a and Fig. b.
Fig. 5-1-3
5-2
Front side of the lens
1.5m
Fig. 5-1-2
Electron beam scan frame size
LCD picture frame
White
841mm
Black
1189mm
Fig. 5-1-4