DOWNLOAD Sony DSC-T7 (serv.man4) Service Manual ↓ Size: 607.61 KB | Pages: 31 in PDF or view online for FREE

Model
DSC-T7 (serv.man4)
Pages
31
Size
607.61 KB
Type
PDF
Document
Service Manual
Brand
Device
Digital Camera / SECTION 6 ADJUSTMENT
File
dsc-t7-sm4.pdf
Date

Sony DSC-T7 (serv.man4) Service Manual ▷ View online

6-11
DSC-T7
SEUS operation screen
Fig. 6-1-14
Check on the oscilloscope
Fig. 6-1-15
1-3-3.
Adjusting Method
[Automatic Adjustment Program execution items and
sequence]
1. Data Setting during Video Adj.
2. Video Output Level Adj.
3. Release of Data Setting during Video Adj.
[Specified value of video output level adj.]
Measurement Point
Video terminal of Interface
adaptor (75 
 terminated)
Measuring Instrument
Oscilloscope
Specified Value
Sync level:
A = 286 
±
 5 mV (NTSC mode)
A = 300 
±
 5 mV (PAL mode)
Burst level:
B = 286 
±
 25 mV (NTSC mode)
B = 300 
±
 25 mV (PAL mode)
[Adjusting method]
1) Click the 
[Start]
 button of the VIDEO Adjustment.
2) The Automatic Adjustment Program executes the “1. Data Set-
ting during Video Adj.”.
3) If “1. Data Setting during Video Adj.” completed successfully,
the next message is displayed during the execution of “2. Video
Output Level Adj.”. Using the UP/DOWN key on the SEUS
Operation screen, adjust so that the sync level of the video
signals satisfies the specified value. After the adjustment, check
that the burst level of the video signals satisfies the specified
value, and click the 
[OK]
 button in the message.
Fig. 6-1-12
4) If the 
[OK]
 button button is clicked, “3. Release of Data Set-
ting during Video Adj.” will be executed.
5) Upon successful completion of all items of the VIDEO Ad-
justment, the following message is displayed. Click the 
[OK]
button.
Fig. 6-1-13
UP/DOWN key
H
A
B
6-12
DSC-T7
1-4.
CAMERA  SYSTEM  ADJUSTMENTS
1-4-1.
Function of Each Button on Camera System
Adjustment Screen
Click the 
[CAMERA SYSTEM ADJUSTMENT]
 button on the Main
Menu screen, and the “CAMERA SYSTEM ADJUSTMENT”
screen in Fig. 6-1-16 will appear.
Fig. 6-1-16
1
[To Menu]
 button
The Main Menu screen comes back.
2
[Preparation]
 button
Notes for adjustment or jigs used are displayed.
3
[Start]
 button
Each adjustment from “Camera Adjustment 1” to “Camera
Adjustment 5” starts.
4
[Reset]
 button
This button functions same as the “Initialize” of the setup
screen.
5
[Release Data Setting]
 button
The data setting at the adjustment is cancelled.
During the data setting, the button color changes from “white”
to “red”. When the data setting is cancelled, the button color
returns to “white”.
(Use this button when an error occurred in the camera adjust-
ment 1-5. If the adjustment completed successfully, the data
setting is automatically cancelled and the button color returns
to “white”.)
5
4
3
2
1
6-13
DSC-T7
1-4-2.
Adjustment Items of Camera System Adjust-
ment
The adjustment items of camera system adjustment are as listed in
Table 6-1-3. The Automatic Adjustment Program divides the ad-
justment items into five, camera adjustment 1-5. Clicking either
CAMERA Adjustment Start button allows the adjustment item
which corresponds to that button to be executed.
The adjustment conditions of the subject and filter vary depend-
ing on which item is adjusted. The Adjustment Program displays
an instruction for the subject and filter as a message during the
adjustment.
Button Name
Adjustment
Subject
Adjustment
Adjustment
Page
Address
(Note 1)
Wide Limit Adj.
Not required
6F
18, 19
Siemens star chart with ND filter
CAMERA Adjustment 1
Flange Back Adj.
for minipattern box (Note 2) or
6F
18 to 3F, 52, 53
Flange back adjustment jig
Siemens star
_
 
 
 
      _
CAMERA Adjustment 2
Flange Back Check
(1.0m from front the lens)
(Luminance: 200 to 400 lux)
F No. Compensation
6F
60, 61, 6B to 6D
Measure Gain Adj.
Clear chart
6F
6B, 6F
CAMERA Adjustment 3
(Standard picture frame)
78
0C to 0F
Mechanical Shutter Adj.
6F
6B to 6D, B8 to BD,
C7 to C9
79
40 to 42, 45 to 47,
4A
Light Value Adj.
6F
65 to 67
AWB 3200K-5800K
9 colors chart
6E
00 to 21, 24 to 49
(Note 3)
Standard Data Input
(Standard picture frame)
Color Reproduction
9 colors chart
6E
60 to 67
Adj. & Check
(Standard picture frame)
CCD Linearity Check
_
 
 
 
         _
CAMERA Adjustment 4
CCD White Defect
Clear chart
_
 
 
 
      _
Compensation Check
(Standard picture frame)
_
         
_
CCD Black Defect
Compensation Check
Strobe Adj.
6E
72 to 75
CAMERA Adjustment 5
Flash adjustment box (50 cm)
6F
D8 to EF
Auto focus illumination Check
6F
10 to 15
Note 1:
The Automatic Adjustment Program does not support the “Wide Limit Adjustment”.
Note 2:
Dark Siemens star chart.
Note 3:
Use the AWB Adjustment Program (T7AwbAdjustment.exe).
Table 6-1-3
6-14
DSC-T7
1-4-3.
Adjusting Method
1.
Wide Limit Adjustment
Adjustment to remove variations at the wide end of the inner fo-
cus lens.
Adjustment Page
6F
Adjustment Address
18, 19
1-1. Adjusting method when the lens is replaced:
Adjusting method:
Order Page Address
Data
Procedure
1
00
01
01
Set the data.
2
40
38
00
Set the data.
3
6F
18
Set the data. (Note)
4
6F
19
Set the data. (Note)
5
7C
16
01 
t 00
Change the data.
(The data is OK if it is “00”.)
6
Save the data.
7
Wait for 2 sec.
8
Perform “Flange Back
Adjustment”.
Note:
The data of page: 6F, address: 18 and 19, that are set in the
Orders 2 and 3 as described above, are shown on the data
sheet supplied with the replacement lens for repair.
Set the upper single byte of the 2-byte data shown on the
sheet to address: 18, and the lower byte of the data to the
address: 19.
Fig. 6-1-17
1-2. Adjusting method when replacement of lens
is not required and the SY-115 board is replaced:
When the data of page: 6F, address: 18 and 19 can be
read from the defective SY-115 board before replace-
ment, and both of the data are not “00”:
Adjusting method:
Order Page Address
Data
Procedure
1
00
01
01
Set the data.
2
40
38
00
Set the data.
3
6F
18
Set the previous data
4
6F
19
Set the previous data
5
7C
16
01 
t 00
Change the data.
(The data is OK if it is “00”.)
6
Save the data.
7
Wait for 2 sec.
8
Perform “Flange Back
Adjustment”.
When the data of the page: 6F, address: 18 and 19 can
be read out from the defective SY-115 board before
replacing it, and both of the data are “00”:
1) Replace the lens with the replacement lens and perform “1-1.
Adjusting method when the lens is replaced”.
When the data of page: 6F, address: 18 and 19 cannot
be read from the defective SY-115 board:
1) Replace the lens with the replacement lens and perform “1-1.
Adjusting method when the lens is replaced”.
Note:
The data of page: 7C, address: 16, that is set in the Order 4
of the adjusting method of 1-1 or 1-2, is “01” when shipped
from the factory. Let the data remain “00” after comple-
tion of the service adjustment.
Data for Page: 6F, Address: 19
2-byte data
Data for Page: 6F, Address: 18
XXXX
Page of 31
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