6-57
HVR-M25J/M25U/M25N/M25E/M25P/M25C
4.
Sample Hold Phase Adjustment (PD-287 board)
Set the sampling hold timing of the LCD panel to optimum tim-
ing.
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
54
Specified Value
The LCD screen is brightest
Note 1:
Perform “LCD Automatic Adjustment” and “V-COM
Adjustment” before this adjustment.
Note 2:
Check that the data of page: 0, address: 10 is “00”.
Switch setting
HDV/DV SEL (IN/OUT REC menu) .................................. HDV
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
3
0C
20
Press PAUSE (Write) button.
3
3
22
0F
Press PAUSE (Write) button.
4
C
55
01
Press PAUSE (Write) button.
5
C
54
Set the following data, one
by one, and investigate which
data makes the LCD screen
the brightest.
1F, 3F, 5F, 7F, 9F, BF
6
C
54
Set the data which made the
LCD screen the brightest.
This data named D
adj
.
7
C
54
Press PAUSE (Write) button.
8
C
55
03
Press PAUSE (Write) button.
9
C
54
Set the data which subtracted
20 from D
adj
.
(hexadecimal calculation)
(Note 3)
10
Check that the 2nd position
A of the LCD screen is the
brightest. (Fig. 6-2-14)
11
C
54
D
adj
Press PAUSE (Write) button.
12
3
0C
00
Press PAUSE (Write) button.
13
3
22
00
Press PAUSE (Write) button.
14
C
55
CC
Press PAUSE (Write) button.
15
0
01
00
Note 3:
For example.
When D
adj
is “BF”, data is “9F”.
When D
adj
is “5F”, data is “3F”.
However, when D
adj
is “1F”, data is “BF”.
A
Fig. 6-2-14