Picture Frame Setting (Ptb-450) - Sony DSC-F828 Service Manual

5. Picture Frame Setting (PTB-450)

Mode STILL (P AUTO) (P)
Subject Color bar chart and clear chart
(Standard picture frame)
About 20cm from the front of the lens
Measurement Point Video terminal of A/V OUT jack
Measuring Instrument Oscilloscope and TV monitor
Specified Value A=C=B/2, E=F
Switch setting:
ZOOM .................................................................... WIDE end
Setting method:
Order Page Address Data
1
2
3
4
5
6
7 10 44
8 10 45
9
How to reset the focus when it deviated:
If the focus deviated due to some reason reset it in the following
method.
Order Page Address Data
1
2 60 90 00
3 60 91 00
4 60 92 YL
5 60 93 YH
6 60 01 79
7
8 60 07
9 60 01 00
Note: YH and YL are the data read in the "Setting method".
Procedure
Check that "1. Data Setting
during Camera System
Adjustments" is performed.
Shoot the color bar chart with
the zoom WIDE end.
Adjust the direction and distance
between the pattern box and
camera, and set the picture
frame to the specified position.
Adjust the focus.
Remove the color bar chart and
set the clear chart.
Check that the whole of the
screen is white. If not, adjust the
direction and distance slightly.
Read the data, and this data
named YH.
Read the data, and this data
named YL.
Perform the following
adjustments.
Procedure
Check that "1. Data Setting
during Camera System
Adjustments" is performed.
Set the data.
Set the data.
Set the data. (Note)
Set the data. (Note)
Set the data.
Wait until the movement of the
lens stops.
Read the data, and check it is "01".
Set the data.
Check on an oscilloscope
1. Horizontal period
A
2. Vertical period
E
Check on the monitor TV (Underscanned mode)
A
Color bar chart picture frame
6-15
DSC-F828
B
A = C =
2
C
B
Fig. 6-1-10.
E=F
F
V
Fig. 6-1-11.
B C
Effective picture frame
Fig. 6-1-12.