Sony Handycam Vision DCR-TRV5, Service Manual

Page: 92 / 165

5-11
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
Odd: Focused
Even: Unfocused
Processing after Completing Adjustments:
1)
Select page: 6, address: 04, and set data: 00.
2) Select page: 6, address: 21, and set data: 00.
7. Picture Frame Setting
Subject Color bar chart standard picture frame
(1.5m from the front of the lens)
Measurement Point Video output terminal
Measuring Instrument Oscilloscope and TV monitor
Specified Value A=B, C=D, t=0 ± 0.1msec
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
Fig. 5-1-6
2. Vertical period
Fig. 5-1-7
Color on the TV monitor
Fig. 5-1-8
A=B C=D
A
B C
D
t=0
±
0.1msec
V
Color bar chart picture frame
TV monitor picture frame