6-62
DNW-A22/A22P
14. Search Picture Adjustment
Measuring equipment: Digital voltmeter and Oscilloscope
(1) Voltage measurement
Playback the color-bar signal portion (14:00 to 17:00) of the alignment tape CR5-1B or CR5-1B PS,
and measure the DC voltage level of the following measurement points using the digital voltmeter.
(DNW-A22: CR5-1B, DNW-A22P: CR5-1B PS)
Measurement point
Measuring value (fill up)
TP500/DM-89(D-4)
TP502/DM-89(F-3)
TP702/DM-89(C-3)
(2) Turn RV507/DM-89(D-4) fully clockwise (
2
).
(3) Short-circuits TP506/DM-89(D-4) and E501/DM-89(E-3) with a shorting clip.
(4) Short-circuits TP700/DM-89(C-4) and E701/DM-89(D-3) with a shorting clip.
(5) Voltage adjustment
Playback the color-bar signal portion (14:00 to 17:00) of the alignment tape CR5-1B or CR5-1B PS,
and adjust the DC voltage level of the following measurement points using the digital voltmeter as
identical to measured voltage in step (1). (DNW-A22: CR5-1B, DNW-A22P: CR5-1B PS)
Measurement point
Adjustment point
Note
TP500/DM-89(D-4)
1
RV506/DM-89(E-4)
SPD OFFSET
TP502/DM-89(F-3)
1
RV501/DM-89(D-3)
Y DEEM
TP702/DM-89(C-3)
1
RV701/DM-89(A-4)
C DEEM
(6) Disconnect the shorting clip from TP506/DM-89(D-4) and E501/DM-89(E-3).
(7) Disconnect the shorting clip from TP700/DM-89(C-4) and E701/DM-89(D-3).
DM-89 Board (Side A)
RV704
A
D902
B
C
D
E
F
G
S901
DM-89
RV503
E303
1
2
3
4
5
6
7
A
1-648-541-
MADE IN JAPAN
E901
RV703
TP8
TP7
TP6
TP5
TP4
TP3
TP2
TP1
RV504
E105
LOTNO,
S NO,
S501
E702
TP505
TP705
TP704
E701
TP703
TP702
TP701
TP305
TP700
TP306
TP208
RV301
RV302
RV303
RV304
RV401
RV701
RV702
RV402
RV406
RV407
TEST
S301
TP304
E302
TP303
TP302
E301
TP300
TP404
TP403
RV405
TP503
E501
TP504
TP502
RV502
RV501
RV506
RV507
TP500
TP506
TP501
TP106
TP105
RV102
RV104
RV101
RV103
RV305
RV306
RV307
RV308
RV105
RV106
RV107
RV108
RV201
RV202
E104
TP104
E102
TP102
TP103
S101
E103
E101
TP100
S102
RV211
RV212
RV205
TP202
TP204
E902
TP203
A No.
ON
OFF
S302
TEST
TEST
TEST
ON
OFF
NOR
NOR
NOR
NOR
6-3. DM-89 Board Replacement
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 ...