Sony DSC-F828 (serv.man4) Service Manual ▷ View online
6-35
DSC-F828
1-6.
LCD SYSTEM ADJUSTMENT
Note1: When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
Note2: If you perform the adjustments with FINDER/LCD switch (Control
switch block (UNDER)) removed, set the following data.
1) Select page: 80, address: 10, and set data: 1A.
2) Select page: 80, address: 11, and set data: 00.
Reset the data after completing adjustment.
1) Select page: 80, address: 10, and set data: FF.
2) Select page: 80, address: 11, and set data: 00.
1) Select page: 80, address: 10, and set data: 1A.
2) Select page: 80, address: 11, and set data: 00.
Reset the data after completing adjustment.
1) Select page: 80, address: 10, and set data: FF.
2) Select page: 80, address: 11, and set data: 00.
Switch setting:
FINDER/LCD ................................................................. LCD
1. Data Setting during LCD System Adjustments
Perform the following data setting before the LCD system
adjustments.
Perform the following data setting before the LCD system
adjustments.
Note1: When the power is turned off, some data settings will be released.
So perform this data setting again when the power is turned off.
Order Page Address Data
Procedure
1
00
01
01
Set the data.
2
80
70
01
Set the data.
After completing the LCD system adjustments, release the data
setting.
setting.
Order Page Address Data
Procedure
1
80
70
00
Set the data.
2
Save the data.
3
Wait for 2 sec.
4
00
01
00
Set the data.
2. LCD Initial Data Input
Mode
PLAY (
)
Signal
Arbitrary
Adjustment Page
8F
Adjustment Address
20, 21, 23 to 28, 2A, 2C
Adjusting method:
1)
1)
Select page: 00, address: 01, and set data: 01.
2)
Select page: 8F, and write the data in the following table.
3)
Save the data.
4)
Wait for 2sec.
5)
Select page: 00, address: 01, and set data: 00.
Address
20
21
23
24
25
26
27
28
2A
2C
Remark
Fixed data
Fixed data
VCO adj.
VCOM adj.
Fixed data
Fixed data
Fixed data
White balance adj.
White balance adj.
Contrast adj.
A5
19
80
76
84
00
63
90
80
72
Data
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DSC-F828
3. VCO Adjustment (SY-096 board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Mode
PLAY (
)
Subject
Arbitrary
Measurement Point
Data of page: 80, address: 02
Measuring Instrument
Adjustment Page
8F
Adjustment Address
23
Specified Value
01
Note1: A memory stick must be inserted.
Adjusting method:
Order Page Address Data
Procedure
1
Check that “1. Data Setting
during LCD System
Adjustments” is performed.
during LCD System
Adjustments” is performed.
2
8F
34
1D
Set the data.
3
80
00
00
Set the data.
4
80
02
00
Set the data.
5
80
01
00
Set the data.
6
80
00
01
Set the data.
7
Wait for 1 sec.
8
80
02
Read the data, and check it is
“01”. (Note2)
“01”. (Note2)
9
Wait for 1 sec.
10
If finish the LCD system
adjustments, release the data
setting.
(See “1. Data Setting during
LCD System Adjustments”.)
adjustments, release the data
setting.
(See “1. Data Setting during
LCD System Adjustments”.)
Note2: If the data is other than “01”, adjustment has errors. See the
following table.
4. Contrast Adjustment (SY-096 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Mode
PLAY (
)
Subject
Arbitrary
Measurement Point
Data of page: 80, address: 02
Measuring Instrument
Adjustment Page
8F
Adjustment Address
2C
Specified Value
01
Note1: A memory stick must be inserted.
Adjusting method:
Order Page Address Data
Procedure
1
Check that “1. Data Setting
during LCD System
Adjustments” is performed.
during LCD System
Adjustments” is performed.
2
8F
39
80
Set the data.
3
80
00
00
Set the data.
4
80
02
00
Set the data.
5
80
01
01
Set the data.
6
80
00
05
Set the data.
7
Wait for 1 sec.
8
80
02
Read the data, and check it is
“01”. (Note2)
“01”. (Note2)
9
Wait for 1 sec.
10
If finish the LCD system
adjustments, release the data
setting.
(See “1. Data Setting during
LCD System Adjustments”.)
adjustments, release the data
setting.
(See “1. Data Setting during
LCD System Adjustments”.)
Note2: If the data is other than “01”, adjustment has errors. See the
following table.
Data of page: 80,
address: 02
address: 02
01
10
20
30
40
50
Contents of adjustment error
Normally finished
Reached an upper limit
Reached a lower limit
Time out
Out of adjustment range
Adjustment is impossible
Data of page: 80,
address: 02
address: 02
01
10
20
30
40
50
Contents of adjustment error
Normally finished
Reached an upper limit
Reached a lower limit
Time out
Out of adjustment range
Adjustment is impossible
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DSC-F828
5. V COM Adjustment (SY-096 board)
Set the DC bias of the common electrode drive signal of LCD to the
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.
Set the DC bias of the common electrode drive signal of LCD to the
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.
Mode
PLAY (
)
Subject
Arbitrary
Measurement Point
Check on LCD display
Measuring Instrument
Adjustment Page
8F
Adjustment Address
24
Specified Value
The brightness difference between the
section A and section B is minimum.
section A and section B is minimum.
Note: A memory stick must be inserted.
Adjusting method:
Order Page Address Data
Procedure
1
Check that “1. Data Setting
during LCD System Adjust-
ments” is performed.
during LCD System Adjust-
ments” is performed.
2
80
71
76
Set the data.
3
8F
41
23
Set the data.
4
8F
24
Change the data so that the
brightness of the section A and
that of the section B is equal.
brightness of the section A and
that of the section B is equal.
5
80
71
FF
Set the data.
6
8F
41
21
Set the data.
7
Save the data.
8
Wait for 2 sec.
9
If finish the LCD system adjust-
ments, release the data setting.
(See “1. Data Setting during
LCD System Adjustments”.)
ments, release the data setting.
(See “1. Data Setting during
LCD System Adjustments”.)
6. White Balance Adjustment (SY-096 board)
Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.
Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.
Mode
PLAY (
)
Subject
Arbitrary
Measurement Point
Check on LCD display
Measuring Instrument
Adjustment Page
8F
Adjustment Address
28, 2A
Specified Value
The LCD screen should not be colored.
Note1: Use the AC power adaptor during this adjustment.
Note2: Check the white balance only when replacing the following parts.
Note2: Check the white balance only when replacing the following parts.
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC801
1. LCD panel
2. Light induction plate
3. IC801
Adjusting method:
Order Page Address Data
Procedure
1
Check that “1. Data Setting
during LCD System Adjust-
ments” is performed.
during LCD System Adjust-
ments” is performed.
2
80
71
52
Set the data.
3
80
84
02
Set the data.
4
8F
28
90
Set the data.
5
8F
2A
80
Set the data.
6
8F
28
Check that the LCD screen is
not colored. If not colored,
proceed to step 10.
not colored. If not colored,
proceed to step 10.
7
8F
28
Change the data so that the LCD
screen is not colored.
screen is not colored.
8
8F
2A
Change the data so that the LCD
screen is not colored.
screen is not colored.
9
8F
2A
If the LCD screen is colored,
repeat steps 7 to 9.
repeat steps 7 to 9.
10
80
71
FF
Set the data.
11
Save the data.
12
Wait for 2 sec.
13
If finish the LCD system
adjustments, release the data
setting.
(See “1. Data Setting during
LCD System Adjustments”.)
adjustments, release the data
setting.
(See “1. Data Setting during
LCD System Adjustments”.)
Fig. 6-1-16.
A
A
A
A
B
B
B
B
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DSC-F828
6-2. SERVICE MODE
2-1.
APPLICATION FOR ADJUSTMENT (SEUS)
The application for adjustment (SEUS) is used for changing the
calculation coefficient in signal processing, EVR data, etc. The SEUS
performs bi-directional communication between the personal
computer (PC) and the unit using the USB signal. The resultant
data of this bi-directional communication is written in the non-
volatile memory.
calculation coefficient in signal processing, EVR data, etc. The SEUS
performs bi-directional communication between the personal
computer (PC) and the unit using the USB signal. The resultant
data of this bi-directional communication is written in the non-
volatile memory.
2-1-1.
Using Method of SEUS
Switch setting:
MS/CF ..................................................... MS (Memory stick)
1. Connection
1)
1)
Connect the HASP key to the USB port of the PC.
2)
Connect the camera to another USB port of the PC.
3)
Insert a memory stick to the camera.
4)
Confirm that the camera starts in the USB mode.
5)
Start the SEUS on the PC.
6)
Click [Connect] on the SEUS screen. If the connection is
normal, the SEUS screen will be as shown in Fig. 6-2-1,
indicating the “connected” state.
normal, the SEUS screen will be as shown in Fig. 6-2-1,
indicating the “connected” state.
Note: The SEUS will go in “disconnect” state, if the camera is turned off
(for instance, by resetting the unit). In such a case, click [Connect]
on the SEUS screen to restore the “connected” state.
on the SEUS screen to restore the “connected” state.
2. Operation
•
Page change
To change the page, click [Page] on the SEUS screen and enter
the page to be changed. The page is displayed in hexadecimal
notation.
the page to be changed. The page is displayed in hexadecimal
notation.
•
Address change
To change the address, click [Address] on the SEUS screen
and enter the address to be changed. Or click [B] to increase
the address, click [b] to decrease the address. The address is
displayed in hexadecimal notation.
and enter the address to be changed. Or click [B] to increase
the address, click [b] to decrease the address. The address is
displayed in hexadecimal notation.
•
Data change
To change the data, click [Set] on the SEUS screen and enter
the data. Or click [v] to increase the data, click [V] to decrease
the data. The data is displayed in hexadecimal notation.
This operation does not write the data to the nonvolatile
memory. If you want to write the changed data, click [Save] to
write it.
the data. Or click [v] to increase the data, click [V] to decrease
the data. The data is displayed in hexadecimal notation.
This operation does not write the data to the nonvolatile
memory. If you want to write the changed data, click [Save] to
write it.
•
Data saving
To write the all changed data to the nonvolatile memory,
click [Save] on the SEUS screen. and wait for 2 sec.
click [Save] on the SEUS screen. and wait for 2 sec.
Note: Even if [Write] or [Store] on the SEUS screen is clicked, the
data can not be write to the nonvolatile memory.
•
Data reading
The data displayed on the SEUS screen are the data values at
the time when the pages and addresses were set, and they are
not updated automatically. To check the data change, click
[Read] on the SEUS screen and update the displayed data.
the time when the pages and addresses were set, and they are
not updated automatically. To check the data change, click
[Read] on the SEUS screen and update the displayed data.
2-1-2.
Precaution on Use of SEUS
Mishandling of the SEUS may erase the correct adjustment data at
times. To prevent this, it is recommended that all adjustment data
be saved before beginning adjustments.
times. To prevent this, it is recommended that all adjustment data
be saved before beginning adjustments.
1)
Click [Page Edit] on the SEUS screen.
2)
Click [Page], and enter the page number to be saved.
3)
Click [Read] to read the data to be saved from the camera.
4)
Click [File] and save the data to the PC.
Fig. 6-2-1.
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