Sony DCR-TRV230 Service Manual page 149

4. Flange Back Check
Subject Siemens star
(2.0m from the front of the lens)
(Luminance : approx. 200 lux)
Measurement Point Check operation on TV monitor
Measuring Instrument
Specified Value Focused at the TELE end and WIDE end.
Switch setting:
1) POWER .................................................................. CAMERA
2) NIGHT SHOT .................................................................. OFF
Note: 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 adjustment remote
commander.
1) Select page: 0, address: 03, and set data: 0F.
2) Page 1 shows the state of the focus.
1 : 00 : XX
Checking method:
1) Select page: 6, address: 40, and set data: 02.
2) Select page: 6, address: 41, and set data: 01.
3) Place the Siemens star 2.0m from the front of the lens.
4) To open the IRIS, decrease the luminous intensity to the
Siemens star up to a point before noise appear on the image.
5) Shoot the Siemens star with the zoom TELE end.
6) Turn on the auto focus.
7) Check that the lens is focused (Note).
8) Select page: 6, 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.
Processing after Completing Adjustments:
1) Select page: 6, address: 21, and set data: 00.
2) Select page: 6, address: 40, and set data: 00.
3) Select page: 6, address: 41, and set data: 00.
4) Select page: 0, address: 03, and set data: 00.
Odd: Focused
Even: Unfocused
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