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6-65
DNW-A22/A22P
(11) Playback the 75% color-bar signal portion (0:00 to 3:00) of the alignment tape CR5-2A or CR5-2A
PS in the JOG mode. (DNW-A22: CR5-2A, DNW-A22P: CR5-2A PS)
(12) Turn the search dial until guard band appears at the center on the video monitor screen.
(Refer to Figure 1.)
(13) OXIDE, Guard band width confirmation
Confirm the following specifications. If both are satisfied, go to step (16).
If not, perform step (14) or (15).
Specification 1: Guard band width is below a half of video display screen’s height.
Specification 2: Guard band width of C side > Guard band width of Y side
(14) If the specification 1 is not satisfied:
Subtract 1 from each data value of GUARD BAND OXIDE-Y and GUARD BAND OXIDE-C, then
perform the confirmation of step (13) again.
(15) If the specification 2 is not satisfied:
Add 1 to the data value of GUARD BAND OXIDE-C, then perform the confirmation of step (13)
again.
(16) OXIDE C confirmation
Playback the 75% color-bar signal portion (0:00 to 3:00) of the alignment tape CR5-2A or CR5-2A
PS in the VARIABLE
+
1 time speed mode (or the search
+
1 time speed), and confirm the following
specification. If satisfied, go to step (18). If not, perform step (17).
(DNW-A22: CR5-2A, DNW-A22P: CR5-2A PS)
Specification 3: The picture (color-bar) on the video monitor is colored.
(The C signal is not fully muted.)
(17) If the specification 3 is not satisfied:
Subtract 1 from the data value of GUARD BAND OXIDE-C, then perform the confirmation of step
(16) again.
(18) Eject the alignment tape CR5-2A/CR5-2A PS.
(19) To exit A35 : DM VR 4, push the MENU button once.
(20) Data save
Enter A3F : NV-RAM CONTROL of the maintenance mode, execute “SAVE ALL ADJUST
DATA”.
(21) Check that the message “Save Complete” is displayed on the video monitor.
(22) To exit A3F : NV-RAM CONTROL, press the MENU button once.
(23) To exit the maintenance mode, press the MENU button three time again.
Figure 1. Guard Band
n
The menu of the maintenance mode is superimposed on picture on the video monitor in fact.
If the superimposed picture obstructs the maintenance operation, set the CHARACTER switch on the sub
control panel to OFF. (Be sure to return it to ON after the maintenance operation is completed.)
6-3. DM-89 Board Replacement
Gurad band of Y
(Gray)
Gurad band of C
(C only is muted)
Содержание Betacam SX DNW-A22
Страница 37: ...2 11 DNW A22 A22P 2 8 Location of Main Parts Front View Rear View ...
Страница 38: ...2 12 DNW A22 A22P 2 8 Location of Main Parts Top View of Cassette Compartment Top View of Mechanical Deck ...
Страница 49: ...2 23 DNW A22 A22P 2 14 Fixtures and Adjustment Equipment List 1 5 9 2 6 0 3 7 4 8 18 10 d l l S G L 6 6 d d ...
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Страница 286: ...Printed in Japan Sony Corporation 2001 6 08 B P Company 1997 DNW A22 SY DNW A22P SY E 3 193 847 06 ...