Sony CyberShot DSC-P72 Service Manual page 50

DSC-P72
18. Auto Focus Illumination Check
Check the auto focus illumination optical axis.
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: Perform this adjustment in the dark room or use the flash
adjustment box.
Note2: Any light other than the strobe light should not light up the paper.
Note3: If the data of page: 60, address: 02 is "01", select page: 60, address:
01, and write data: 00.
Switch setting:
CAMERA setting (Menu setting) ................................ AUTO
Preparations:
1) Take a copy of the AF illumination axis frame with a clear
sheet. (Reduce or enlarge the frame in same size as the effective
picture frame of the LCD screen or the monitor TV.)
Adjusting method:
Order Page Address Data
1
2 00 01
3 5F 3D
4 5F 3D
5
6 7B A9
7 60 01
8
9 60 02
10
Note4: The adjustment data will be automatically input to page: 6F,
address: 10 to 17.
STILL ( )
Background paper (J-2501-130-A).
(50cm from the front of the lens)
LCD screen or monitor TV
(under scan)
6F
10 to 17
Center of luminance point should
settle within the specified frame.
Procedure
Check that "1. Data Setting during
Camera System Adjustments" is
performed.
01 Set the data.
Read the data, and memorize it.
Decrease the data, and stop it
when the black frame just appears
on the LCD screen.
Attach the copied AF
illumination axis frame
(transparent) on the LCD screen.
(The frame of the AF illumination
axis frame and the black frame of
the LCD screen must be agree.)
06 Set the data.
EF Write the data.
Check that the auto focus
illumination is lit.
Read the data, and check it is "01".
(Note4)
Check that center of the
luminance point is set in the
specified frame of the AF
illumination axis frame.
Processing after Completing Adjustments:
Order Page Address Data
1 60 01
2 5F 3D
3
6-30
Procedure
00 Write the data.
Write the data memorized at step
3.
If finish the camera system
adjustments, release the data
setting.
(See "1. Data Setting during
Camera System Adjustments".)
Fig. 6-1-14.