Flange Back Check - Sony CVX-V18NS Service Manual

7. Flange Back Check

Subject
Measurement Point
Measuring Instrument
Switch setting:
1) NIGHT SHOT switch ...................................................... OFF
Checking method:
1) Place the Siemens star 2.0 m from the front of the lens.
2) To open the IRIS, decrease the luminous intensity to the Si-
emens star up to a point before noise appear on the image.
3) Select page: 2, address: 40, and set data: 02.
4) Select page: 2, address: 41, and set data: 01.
5) Shoot the Siemens star with the zoom TELE end.
6) Turn on the auto focus.
7) Check that the lens is focused (Note 1).
8) Select page: 2, address: 21, and set data: 10.
9) Shoot the Siemens star with the zoom WIDE end.
10) Observe the TV monitor and check that the lens is focused.
Note 1: When the auto focus is ON, the lens can be checked if it
is focused or not by observing the data on the page 1 of
the adjusting remote commander.
1) Select page: 0, address: 03, and set data: 0F.
2) Page 1 shows the state of the focus.
1 : 00 : XX
→Odd: Focused
Processing after Completing Adjustments:
1) Select page: 2, address: 21, set data: 00.
2) Select page: 0, address: 03, set data: 00.
3) Select page: 2, address: 40, set data: 00.
4) Select page: 2, address: 41, set data: 00.
Siemens star chart
(2.0 m from the front of the lens)
(Luminance: approx. 200 lux)
Check operation on TV monitor
Even: Unfocused
5-15