Sony DSC-F828 - COM Adjustment (SY-096 Board); White Balance Adjustment (SY-096 Board)

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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.
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.
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.
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.
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”.)
6. White Balance Adjustment (SY-096 board)
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.
If necessary, adjust them.
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.
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.
7 8F 28 Change the data so that the LCD
screen is not colored.
8 8F 2A Change the data so that the LCD
screen is not colored.
9 8F 2A If the LCD screen is colored,
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”.)
Fig. 6-1-16.
A
A
A
A
B
B
B
B