Flange Back Check; Picture Frame Setting - Sony DCR-TRV5 Service Manual

6. Flange Back Check

Subject Siemens star
(2.0 m from the front of the lens)
(Luminance: approx. 230 lux)
Measurement Point
Check operation on TV monitor
Measuring Instrument
Specified Value Focused at the TELE end and WIDE
end.
Note 1: The front panel block must be assembled.
Switch setting:
1) STEADY SHOT (Menu display) ..................................... OFF
2) DIGITAL ZOOM (Menu display) ................................... OFF
Checking method:
1) Place the Siemens star 2.0m from the front of the lens.
2) To open the IRIS, decrease the luminous intensity to the
Siemens star up to a point before noise appear on the image.
3) Shoot the Siemens star with the zoom TELE end.
4) Turn on the auto focus.
5) Check that the lens is focused (Note 2).
6) Select page: 6, address: 21, and set data: 10.
7) Shoot the Siemens star with the zoom WIDE end.
8) Observe the TV monitor and check that the lens is focused.
Note 2: When the auto focus is ON, the lens can be checked if it is focused
or not by observing the data on the page A of the adjustment remote
commander.
1) Select page: 6, address: 04, and set data: 0F.
2) Page A shows the state of the focus.
A : 00 : XX
Processing after Completing Adjustments:
1) Select page: 6, address: 04, and set data: 00.
2) Select page: 6, address: 21, and set data: 00.
Odd: Focused
Even: Unfocused

7. Picture Frame Setting

Subject
Measurement Point
Measuring Instrument
Specified Value
Setting method:
1) Adjust the zoom and the camera direction, and set to the
specified position.
2) Mark the position of the picture frame on the monitor display,
and adjust the picture frame to this position in following
adjustments using "Color bar chart standard picture frame".
Check on the oscilloscope
1. Horizontal period
A=B
B
A
2. Vertical period
Color on the TV monitor
Color bar chart picture frame
5-11
Color bar chart standard picture frame
(1.5m from the front of the lens)
Video output terminal
Oscilloscope and TV monitor
A=B, C=D, t=0 ± 0.1msec
C=D
C
D
Fig. 5-1-6
t=0 0.1msec
V
Fig. 5-1-7
TV monitor picture frame
Fig. 5-1-8