Sony DSC-F55V (serv.man2) Service Manual ▷ View online
5-14
2. Flange Back Adjustment
(Using Minipattern Box)
The inner focus lens flange back adjustment is carried out
automatically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
automatically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
Mode
STILL
Subject
Siemens star chart with ND filter for
the minipattern box (Note 1)
the minipattern box (Note 1)
Measurement Point
Check operation on TV monitor
Measuring Instrument
Adjustment Page
F
Adjustment Address
14 to 25
Note 1:
Dark Siemens star chart.
Note 2:
If the data of page: 6, address: 02 is “01”, select page: 6, address:
01, set data: 00, and press the PAUSE button.
01, set data: 00, and press the PAUSE button.
Preparations before adjustments:
The minipattern box is installed as shown in the following figure.
The minipattern box is installed as shown in the following figure.
Note:
The attachment lenses are not used.
Specified voltage:
The specified voltage varies according to the
minipattern box, so adjust the power supply
output voltage to the specified voltage written
on the sheet which is supplied with the
minipattern box.
minipattern box, so adjust the power supply
output voltage to the specified voltage written
on the sheet which is supplied with the
minipattern box.
Fig. 5-1-9.
Adjusting method:
1)
1)
Install the minipattern box so that the distance between it and
the front of the lens of the camera is less than 3cm.
the front of the lens of the camera is less than 3cm.
2)
Make the height of the minipattern box and the camera equal.
3)
Check that the output voltage of the regulated power supply is
the specified voltage.
the specified voltage.
4)
Select page: 0, address: 01, and set data: 01.
5)
Check that the center of the Siemens star chart and the center
of the exposure screen coincide.
of the exposure screen coincide.
6)
Check that the data of page: F, address: 14 to 25 is the initial
value (See table below).
value (See table below).
7)
Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
8)
Select page: 6, address: 01, set data: 27, and press the PAUSE
button.
(The adjustment data will be automatically input to page: F,
addresses: 14 to 25.)
button.
(The adjustment data will be automatically input to page: F,
addresses: 14 to 25.)
9)
Select page: 6, address: 02, and check that the data is changed
to “01”.
to “01”.
Processing after Completing Adjustments:
1)
1)
Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
button.
2)
Perform “Flange Back Check”.
Minipattern box
Below 3 cm
Camera
Camera
table
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Black (GND)
Need not connected
Regulated power supply
Output voltage : Specified voltage
±
0.01Vdc
Output current : more than 3.5A
Address
14
15
16
17
18
19
1A
Data
10
00
10
01
11
00
00
Address
1B
1C
1D
1E
1F
20
21
Data
00
00
00
00
00
20
20
Address
22
23
24
25
Data
20
04
0A
00
5-15
3. Flange Back Adjustment
(Using Flange Back Adjustment Chart)
The inner focus lens flange back adjustment is carried out
automatically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
automatically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
Mode
STILL
Subject
Flange back adjustment chart
(2.0 m from the front of the lens)
(Luminance: 350 ± 50 lux)
(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
14 to 25
Note:
If the data of page: 6, address: 02 is “01”, select page: 6, address:
01, set data: 00, and press the PAUSE button.
01, set data: 00, and press the PAUSE button.
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Check that the center of the chart for the flange back adjustment
and the center of the exposure screen coincide.
and the center of the exposure screen coincide.
3)
Check that the data of page: F, address: 14 to 25 is the initial
value (See table below).
value (See table below).
4)
Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
5)
Select page: 6, address: 01, set data: 15, and press the PAUSE
button.
(The adjustment data will be automatically input to page: F,
addresses: 14 to 25.)
button.
(The adjustment data will be automatically input to page: F,
addresses: 14 to 25.)
6)
Select page: 6, address: 02, and check that the data is changed
to “01”.
to “01”.
Processing after Completing Adjustments:
1)
1)
Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
button.
2)
Perform “Flange Back Check”.
4. Flange Back Check
Mode
STILL
Subject
Siemens star
(2.0 m from the front of the lens)
(Luminance : approx. 200 lux)
(2.0 m from the front of the lens)
(Luminance : approx. 200 lux)
Measurement Point
Check operation on TV monitor
Measuring Instrument
Specified Value
The lens is focused.
Checking method:
1)
1)
Place the Siemens star 2.0m from the front of the lens.
2)
To open the IRIS, decrease the luminous intensity to the
Siemens star up to a point before noise appear on the image.
Siemens star up to a point before noise appear on the image.
3)
Select page: 5, address: F1, and set data: FF.
4)
Select page: 6, address: 2C, and set data: 02.
5)
Observe the TV monitor and check that the lens is focused.
Processing after Completing Adjustments:
1)
1)
Select page: 6, address: 2C, and set data: 00.
2)
Select page: 5, address: F1, and set data: 00.
5. F No. Standard Data Input
Compensate the unevenness of the iris meter sensitivity.
Mode
STILL
Subject
Clear chart (All white)
Adjustment Page
F
Adjustment Address
29 to 2C
Note 1:
If the data of page: 6, address: 02 is “01”, select page: 6, address:
01, set data: 00, and press the PAUSE button.
01, set data: 00, and press the PAUSE button.
Note 2:
After the power is turned on, this adjustment can be done only
once.
once.
Adjusting method:
1)
1)
Shoot the clear chart.
2)
Select page: 0, address: 01, and set data: 01.
3)
Select page: E, address: 51, after noting down the data, set
data: FF, and press the PAUSE button.
data: FF, and press the PAUSE button.
4)
Select page: 6, address: 01, set data: BB, and press the PAUSE
button of the adjustment remote commander.
(The F No. standard data input is performed and the adjustment
data is stored in page: F, address: 29 to 2C.)
button of the adjustment remote commander.
(The F No. standard data input is performed and the adjustment
data is stored in page: F, address: 29 to 2C.)
5)
Select page: 6, address: 02, and check that the data is “01”.
Processing after Completing Adjustments:
1)
1)
Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
button.
2)
Select page: E, address: 51, set the data noted down at step 3),
and press the PAUSE button.
and press the PAUSE button.
3)
Select page: 0, address: 01, and set data: 00.
Address
14
15
16
17
18
19
1A
Data
10
00
10
01
11
00
00
Address
1B
1C
1D
1E
1F
20
21
Data
00
00
00
00
00
20
20
Address
22
23
24
25
Data
20
04
0A
00
5-16
6. Mechanical Shutter Adjustment
Adjust the period which the mechanical shutter is closed, and
compensate the exposure.
compensate the exposure.
Mode
STILL
Subject
Clear chart (All white)
(10 cm from the front of the lens)
(10 cm from the front of the lens)
Adjustment Page
F
Adjustment Address
5A, 6C to 7F
Note: 1
If the data of page: 6, address: 02 is “01”, select page: 6, address:
01, set data: 00, and press the PAUSE button.
01, set data: 00, and press the PAUSE button.
Note: 2
Install the clear chart at a distance of about 10 cm from the front
of the lens. (It is recommended.)
of the lens. (It is recommended.)
Adjusting method:
1)
1)
Shoot the clear chart.
2)
Select page: 0, address: 01, and set data: 01.
3)
Select page: 6, address: 01, set data: AD, and press the PAUSE
button of the adjustment remote commander.
(The mechanical shutter adjustment is performed and the
adjustment data is stored in page: F, address: 5A, 6C to 7F.)
button of the adjustment remote commander.
(The mechanical shutter adjustment is performed and the
adjustment data is stored in page: F, address: 5A, 6C to 7F.)
4)
Select page: 6, address: 02, and check that the data changes to
“01”.
“01”.
5)
Select page: 6, address: AB, and check the data.
00: Normal
01 to FF: Defective
00: Normal
01 to FF: Defective
Processing after Completing Adjustments:
1)
1)
Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
button.
2)
Select page: 0, address: 01, and set data: 00.
5-17
7. Picture Frame Setting
Mode
STILL
Subject
Color bar chart
(Color reproduction adjustment
frame) About 32 cm from the front of
the lens
(Color reproduction adjustment
frame) About 32 cm from the front of
the lens
Measurement Point
Video output terminal
Measuring Instrument
Oscilloscope and TV monitor
Specified Value
A=B, C=D, E=F
Note 1:
Display data of page 1 of the adjustment remote commander.
1 : XX : XX
XL or YL data
XH or YH data
XH or YH data
Setting method:
1)
1)
Select page: 5, address: F1, and set data: FF.
2)
Adjust the camera direction, and set the picture frame to the
specified position.
specified position.
3)
Mark the position of the picture frame on the monitor display,
and adjust the picture frame to this position in following
adjustments using “Color reproduction adjustment frame”.
and adjust the picture frame to this position in following
adjustments using “Color reproduction adjustment frame”.
4)
Select page: 0, address: 03, and set data: 18.
5)
Select page: 1, and note down the XH data and XL data. (Note1)
6)
Select page: 0, address: 03, and set data: 22.
7)
Select page: 1, and note down the YH data and YL data. (Note1)
8)
Select page: 5, address: F1, and set data: 00.
How to reset the focus when they deviated:
If the focus deviated due to some reason, reset them in the following
method.
If the focus deviated due to some reason, reset them in the following
method.
1)
Select page: 6, address: 90, and set data: XL. (Note 2)
2)
Select page: 6, address: 91, and set data: XH. (Note 2)
3)
Select page: 6, address: 92, and set data: YL. (Note 3)
4)
Select page: 6, address: 93, and set data: YH. (Note 3)
5)
Select page: 6, address: 6C, and set data: 01.
6)
Select page: 6, address: 01, set data: 79, and press the PAUSE
button and wait for 1 second.
button and wait for 1 second.
7)
Select page: 6, address: 2C, and set data: 01.
8)
Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
button.
Note 2:
The data noted down at step 5) .of the “Setting method”.
Note 3:
The data noted down at step 7) .of the “Setting method”.
Check on an oscilloscope
1. Horizontal period
Fig. 5-1-10.
2. Vertical period
Fig. 5-1-11.
Check on the monitor TV (Underscanned mode)
Fig. 5-1-12.
A=B
C=D
A
B
C
D
E=F
V
E
F
Color bar chart picture frame
Monitor TV picture frame
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