Sony HVR M25U - Professional Video Cassete recorder/player, Service Manual

Page: 169 / 299

6-55
HVR-M25J/M25U/M25N/M25E/M25P/M25C
Adjusting method:
Order Page Address Data Procedure
1
Set the HOLD switch of
adjustment remote com-
mander to “OFF” (NORMAL
position).
2
Set the 60i/50i SEL (OTH-
ERS menu) to “60i”.
3
Set the HOLD switch of
adjustment remote com-
mander to “HOLD” (SER-
VICE position).
4 0 01 01
5 C 42 C8 Press PAUSE (Write) button.
6 3 03 FF
7 3 01 5A
Press PAUSE (Write) button.
(Note 2)
8 3 02
Check the data changes to
“00”.
9 3 03
Check the data is “00”. (Note
4)
10
Set the HOLD switch of
adjustment remote com-
mander to “OFF” (NORMAL
position).
11
Set the 60i/50i SEL (OTH-
ERS menu) to “50i”.
12
Set the HOLD switch of
adjustment remote com-
mander to “HOLD” (SER-
VICE position).
13 C 42 D8 Press PAUSE (Write) button.
14 3 03 FF
15 3 01 5A
Press PAUSE (Write) button.
(Note 3)
16 3 02
Check the data changes to
“00”.
17 3 03
Check the data is “00”. (Note
4)
18 C 4D
Read the data and this data
named D
4D
.
19 C 76 D
4D
Press PAUSE (Write) button.
20 C 42 C8 Press PAUSE (Write) button.
21 0 01 00
Note 2:
The adjustment data will be automatically input to page:
C, address: 45 and 4D.
Note 3: The adjustment data will be automatically input to page:
C, address: 46 and 4D.
Note 4: If the data change to “01”, adjustment has error. Con-
tents of error is written into page: 3, address: C6. See the
following table.
2-6. 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 (DISPLAY SET menu) to center.
Set the LCD COLOR (DISPLAY SET menu) to center.
1. LCD Automatic Adjustment (PD-287 board)
This adjustment does the following items automatically.
VCO Adjustment
Contrast Adjustment
Mode E-E
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”.
Data of page: 3, address: C6 Contents of error
58 VCO adjustment error
60 Contrast adjustment error