Hologram Af Check - Sony Cyber-shot DSC-F707 Service Manual

DSC-F707

21. Hologram AF Check

Check a deviation of optical axis between AF illuminator and cam-
era image.
Mode
Subject
Measurement Point
Measuring Instrument
Specified Value
Note 1: Perform checking by making the shooting surface of the
Flash adjustment box perpendicular to the optical axis of
the camera.
Note 2: Perform this checking in the Flash adjustment box.
Restrict external light to enter the Flash adjustment box
as less as possible.
Note 3: Refer to "4. Preparing the Flash adjustment box".
(See page 5-7)
Preparation
1) Take a reduced or enlarged copy on the clear sheet so that a
rectangular frame of the sheet for auxiliary light is suitable for
the effective image size of the monitor.
2) Stick the copied sheet for auxiliary light on the monitor screen.
Specification frame
CAMERA
Flash adjustment box (Note 3)
(1 m from the front of lens)
Check operation on monitor TV
All luminance points should
settle within specification frame.
Fig. 5-1-20
Checking method:
Order Page Address Data
1 0 01
2
3 B 3D
4 B 3D
5 6 2C
6 6 90
7 6 91
8 6 92
9 6 93
10 6 01
11 6 07
12 6 01
13 6 22
14 6 23
15
Processing after Completing Adjustment:
Order Page Address Data
1 B 3D
2 6 01
3 6 22
4 6 23
5 6 2C
6 6 92
7 6 93
8
9 0 01
5-30
Procedure
01
Perform "Data setting during
camera system adjustment".
(Refer to page 5-13)
Note down the data.
50 Press PAUSE button.
01
00
00
D0
5A
79 Press PAUSE button.
Check the data changes to
"01".
00 Press PAUSE button.
05
0A
Check that the hologram
patterns are all within the
specification frame.
( None of the hologram
patterns are completely out
of the frame.
Procedure
Set data noted down at step
3, and press PAUSE button.
00 Press PAUSE button.
00
00
00
00
00
Release the data setting
performed at step 2.
(Refer to page 5-13)
00
)