Sony DNW-A22 Maintenance Manual page 191

Digital videocassette player
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4. Cosine Equalizer Provisional Adjustment
m
. This provisional adjustment explains how to adjust without using the network analyzer.
When performed "3. Cosine Equalizer Adjustment" using the network analyzer, this provisional
adjustment is not required.
. Perform this provisional adjustment only when the network analyzer is not available for an urgen
maintenance. At a later date, be sure to perform "3. Cosine Equalizer Adjustment" using the network
analyzer.
(1) Enter A33 : DM VR 2 of the maintenance mode.
(2) Confirm the setting data of all items of A33 : DM VR 2.
Item of A33 : DM VR 2
MAIN METAL-Y-A
MAIN METAL-Y-B
MAIN METAL-C-A
MAIN METAL-C-B
MAIN OXIDE-Y-A
MAIN OXIDE-Y-B
MAIN OXIDE-C-A
MAIN OXIDE-C-B
(3) To exit A33 : DM VR 2, press the MENU button once.
(4) Enter A34 : DM VR 3 of the maintenance mode.
(5) Confirm the setting data of all items of A34 : DM VR 3.
Item of A34 : DM VR 3
SUB METAL-Y-A
SUB METAL-Y-B
SUB METAL-C-A
SUB METAL-C-B
SUB OXIDE-Y-A
SUB OXIDE-Y-B
SUB OXIDE-C-A
SUB OXIDE-C-B
(6) To exit A34 : DM VR 3, press the MENU button once.
(7) Enter A35 : DM VR 4 of the maintenance mode.
(8) Confirm the setting data of following items of A35 : DM VR 4.
Item of A35 : DM VR 4
OMC DC METAL-Y
OMC DC METAL-C
OMC DC OXIDE-Y
OMC DC OXIDE-C
(9) To exit A35 : DM VR 4, press the MENU button once.
DNW-A22/A22P
Setting data for DNW-A22
CD
CD
8E
8E
A6
A6
9E
9E
Setting data for DNW-A22
AF
AF
70
70
B2
B2
A7
A7
Setting data
E4
D0
D0
D0
Setting data for DNW-A22P
B7
B7
8D
8D
A8
A8
9E
9E
Setting data for DNW-A22P
B2
B2
91
91
BB
BB
A8
A8
6-3. DM-89 Board Replacement
6-39

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