6-64
HVR-HD1000J/HD1000U/HD1000N/HD1000E/HD1000P/HD1000C
1-5.
LCD SYSTEM ADJUSTMENTS
Before perform the LCD system adjustments, check that the data
of page: 0, address: 10 is “00”.
If not, select page: 0, address: 10, and set the data “00”.
Note 1:
Taken an extreme care not to destroy the liquid crystal
display module by static electricity when replacing it.
Note 2:
Set the “LCD BRIGHT”, “LCD COLOR” to the center
with the menu settings of the touch panel.
Note 3:
Open the LCD panel during the LCD system adjustment.
1.
LCD Automatic Adjustment (PD-342 board)
RadarW
RadarW
RadarW
RadarW
RadarW
This adjustment does the following items automatically.
VCO Adjustment
Contrast Adjustment
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Adjustment Page
C
Adjustment Address
45, 46 (VCO Adjustment)
4D, 76 (Contrast Adjustment)
Note 1:
Check that the data of page: 0, address: 10 is “00”.
Note 2:
If the data change to “01”, adjustment has error. Con-
tents of error is written into page: 3, address: C6. See the
following table.
Data of page: 3, address: C6
Contents of error
58
VCO adjustment error
60
Contrast adjustment error
Note 3:
Refer to Table 6-4-1. “Hexadecimal-decimal conversion
table”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
03
FF
3
3
71
01
Press PAUSE (Write) button.
4
C
65
00
Press PAUSE (Write) button.
5
3
01
5A
Press PAUSE (Write) button.
(Note 4)
6
3
02
Check the data changes to “00”.
7
3
03
Check the data is “00”. (Note 2)
8
C
65
41
Press PAUSE (Write) button.
9
3
70
10
Press PAUSE (Write) button.
10
3
70
Check the data changes to “11”.
11
0
01
00
Note 4:
The adjustment data will be automatically input to page:
C, address: 45 and 4D.
2.
V-COM Adjustment (PD-342 board)
Set the DC bias of the common electrode drive signal of LCD to
the specified value.
If deviated, the LCD display will be move, producing flicker and
conspicuous vertical lines.
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
47
Specified Value
The brightness difference between
the section-A and section-B is
minimum
Note 1:
Perform “LCD Automatic Adjustment” before this ad-
justment.
Note 2:
Check that the data of page: 0, address: 10 is “00”.
Switch setting
LCD BACKLIGHT .................................................................. ON
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
71
01
Press PAUSE (Write) button.
3
C
56
0D
Press PAUSE (Write) button.
4
C
47
Change the data so that
brightness of the section A
and section B is equal.
5
C
47
Press PAUSE (Write) button.
6
C
56
05
Press PAUSE (Write) button.
7
3
70
10
Press PAUSE (Write) button.
8
3
70
Check the data changes to “11”.
9
0
01
00
Fig. 6-1-21
A
A
A
A
B
B
B
B