More Than 500 M Away; Flange Back Adjustment (1); Flange Back Adjustment (2) - Sony DCR-TRV820 Service Manual

3. Flange Back Adjustment
(Using Flange Back Adjustment Chart Subject More
Than 500 m Away)
The inner focus lens flange back adjustment is carried out auto-
matically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.

3-1. Flange Back Adjustment (1)

Flange back adjustment chart
Subject (2.0 m from the front of the lens)
(Luminance: 350 ± 50 lux)
Measurement Point
Check operation on TV monitor
Measuring Instrument
Adjustment Page F
Adjustment Address 4E to 5D, 61
Note: Perform this adjustment after performing "HALL adjust-
ment".
Switch setting:
1) NIGHT SHOT .................................................................. OFF
2) DIGITAL ZOOM (Menu display) ................................... OFF
3) STEADY SHOT (Menu display) .................................... OFF
Adjusting method:
1) Check that at both the zoom lens TELE end and WIDE end,
the center of the chart for the flange back adjustment and cen-
ter of the exposure screen coincide.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: 6, address: 82, and set data: 01.
4) Check that the data of page: F, address: 4E to 5D, 61 is the
initial value (See table below).
Address Data
4E 2E
4F 12
50 48
51 F1
52 18
53 5D
54 66
55 00
56 19
5) Select page: 6, address: 02, and check that the data is "00".
6) Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjustment remote commander.
7) Select page: 6, address: 01, set data: 15, and press the PAUSE
button.
(The adjustment data will be automatically input to page: F,
addresses:4E to 5D, 61)
8) Select page: 6, address: 02, and check that the data is "01".
Processing after Completing Adjustments
1) Turn OFF the main power supply (8.4 V).
2) Perform "Flange Back Adjustment (2)".
Address Data
57 00
58 19
59 00
5A 00
5B 04
5C 00
5D 00
61 00

3-2. Flange Back Adjustment (2)

Perform this adjustment after performing "Flange Back Adjust-
ment (1)".
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Switch setting:
1) NIGHT SHOT .................................................................. OFF
2) DIGITAL ZOOM (Menu display) ................................... OFF
3) STEADY SHOT (Menu display) .................................... OFF
Adjusting method:
1) Set the zoom lens to the TELE end and expose a subject that is
more than 500 m away (subject with clear contrast such as
building, etc.). (Nearby subjects less than 500 m away should
not be in the screen.)
2) Select page: 0, address: 01, and set data: 01.
3) Select page: 6, address: 82, and set data: 01.
4) Select page: 6, address: 02, and check that the data is "00".
5) Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjustment remote commander.
6) Place a ND filter on the lens so that the optimum image is
obtain.
7) Select page: 6, address: 01, set data: 29, and press the PAUSE
button.
(The adjustment data will be automatically input to page: F,
addresses: 4E to 5D, 61)
8) Select page: 6, address: 02, and check that the data is "01".
Processing after Completing Adjustments
1) Select page: 0, address: 01, and set data: 00.
2) Turn OFF the main power supply (8.4 V).
3) Perform "Flange Back Check".
5-17
Subject more than 500m away
(Subjects with clear contrast such as
buildings, etc.)
Check operation on TV monitor
F
4E to 5D, 61