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6-60
DNW-A22/A22P
13. RF Envelope Adjustment
Measuring equipment: Oscilloscope
(1) Connect and set the oscilloscope as follows:
CH-1:
TP203/DM-89(G-7), DC 500 mV/DIV, 5 ms/DIV, GND: E104/DM-89(G-5)
CH-2:
TP4/DM-89(E-1), DC 1 V/DIV, GND: E702/DM-89(D-1)
Trigger: CH-2,
_
slope
(2) Y adjustment
Playback the flat filed signal portion (24:00 to 26:00) of the alignment tape CR5-1B or CR5-1B PS,
and perform the adjustment. (DNW-A22: CR5-1B, DNW-A22P: CR5-1B PS)
Adjustment point:
1
RV205/DM-89(G-6)
Specification:
A = 2.0
±
0.2 V dc
(3) Change the connection of the oscilloscope as follows:
CH-1:
TP403/DM-89(D-6), GND: E302/DM-89(B-5)
CH-2:
TP5/DM-89(D-1), GND: E702/DM-89(D-1)
(4) C adjustment
Playback the flat filed signal portion (24:00 to 26:00) of the alignment tape CR5-1B or CR5-1B PS,
and perform the adjustment. (DNW-A22: CR5-1B, DNW-A22P: CR5-1B PS)
Adjustment point:
1
RV405/DM-89(C-6)
Specification:
B = 2.0
±
0.2 V dc
(5) Stop the playback of the alignment tape CR5-1B/CR5-1B PS or eject it.
n
It is not necessary to eject the alignment tape when perform subsequent “14. Search Picture Adjust-
ment”.
6-3. DM-89 Board Replacement
A
0 V
B
0 V
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 ...