Contrast Adjustment (Hd) (Pd-222 Board); Com Adjustment (Pd-222 Board) - Sony HVR-Z1J Service Manual

2. Contrast Adjustment (HD) (PD-222 board)

Set the level of the VIDEO signal for driving the LCD to the specified
value.
Mode
Subject
Adjustment Page
Adjustment Address
Note1: The data of page: 0, address: 10 must be "00".
Switch setting:
REC FORMAT (IN/OUT REC menu) .................. HDV1080i
Adjusting method:
Order Page Address Data
1
2 0 01
3 3 01
4 3 02
5 3 03
6 0 01
Note2: If the data is "01", adjustment has errors. Contents of the error is
written into page: 3, addresses: C6. See the following table.
Data of page: 3,
address: C6
68
HVR-Z1J/Z1U/Z1N/Z1E/Z1P/Z1C
Camera, HDV1080i
Arbitrary
C
76
Procedure
Set REC FORMAT (IN/OUT
REC menu) to "HDV1080i".
01 Set the data.
68 Set the data, and press PAUSE
button.
Check that the data changes to
"00".
Check that the data is "00".
(Note2)
00 Set the data.
Contents of error
Contrast adjustment (HD) error
3. V COM Adjustment (PD-222 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
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: This adjustment should be carried out upon completion of the LCD
automatic adjustment.
Note2: The data of page: 0, address: 10 must be "00".
Switch setting:
REC FORMAT (IN/OUT REC menu) .................. HDV1080i
LCD BACKLIGHT ........................................................... ON
Adjusting method:
Order Page Address Data
1 0 01
2 C 56
3 C 47
4 C 47
5 C 47
6 C 56
7 0 01
6-63
Camera, HDV1080i
Arbitrary
Check on LCD display
C
47
The brightness difference between the
section A and section B is minimum.
Procedure
01 Set the data.
0D Set the data, and press PAUSE
button.
Change the data so that the
brightness of the section A and
that of the section B is equal.
Subtract 3 from the data.
Press PAUSE button.
C3 Set the data, and press PAUSE
button.
00 Set the data.
A
B
A
B
B A
A
B
Fig. 6-1-33.