Sony Betacam SX DNW-A22, Руководство по обслуживанию

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4-54
DNW-A22/A22P
A32 : DM VR 1
This menu is used to adjust the frequency characteristics of
a primary cosine equalizer (on the DM-89 board).
There are adjustment items for metal and oxide tapes.
Each adjustment data is provided proportionally to the
number of heads (Y-A, Y-B, C-A, and C-B).
A33 : DM VR 2
This menu is used to adjust the frequency characteristics of
a secondary cosine equalizer (main) (on the DM-89 board).
There are adjustment items for metal and oxide tapes.
Each adjustment data is provided proportionally to the
number of heads (Y-A, Y-B, C-A, and C-B).
A34 : DM VR 3
This menu is used to adjust the frequency characteristics of
a secondary cosine equalizer (sub) (on the DM-89 board).
There are adjustment items for metal and oxide tapes.
Each adjustment data is provided proportionally to the
number of heads (Y-A, Y-B, C-A, and C-B).
A35 : DM VR 4
This menu is used to adjust the guard band width and to set
the DC offset level of an over-modulation compensation
circuit (on the DM-89 board).
There are adjustment items for metal and oxide tapes.
Each adjustment data is provided proportionally to the
number of video channels (Y and C).
A36 : DM VR 5
This menu is used to adjust each dropout threshold level of Y
and C channels and to set the RF envelope threshold level.
There are adjustment data for metal and oxide tapes
provided for each dropout threshold level.
There are adjustment data for high (H) and low (L) limits
provided for the RF envelope threshold level.
A37 : TBC VR
This menu is used to set each read clock timing of Y and C
channels and to set the data of a PB VISC phase detection
circuit (on the TBC-23 board).
4-2. TAPE Maintenance Mode (M0)
4-2-9. BETACAM PB ADJUST Mode (A3)
BETACAM PB ADJUST MODE
A32:DM VR 1
EQ1 METAL-Y-A 7F
EQ1 METAL-Y-B 81
EQ1 METAL-C-A 77
EQ1 METAL-C-B 81
EQ1 OXIDE-Y-A AD
EQ1 OXIDE-Y-B AF
EQ1 OXIDE-C-A 94
EQ1 OXIDE-C-B 9D
*
BETACAM PB ADJUST MODE
A33:DM VR 2
MAIN METAL-Y-A BC
MAIN METAL-Y-B BC
MAIN METAL-C-A 91
MAIN METAL-C-B 91
MAIN OXIDE-Y-A A8
MAIN OXIDE-Y-B A8
MAIN OXIDE-C-A A0
MAIN OXIDE-C-B A0
*
BETACAM PB ADJUST MODE
A35:DM VR 4
GUARD BAND METAL-Y 22
GUARD BAND METAL-C 1A
GUARD BAND OXIDE-Y 26
GUARD BAND OXIDE-C 2F
OMC DC METAL-Y E4
OMC DC METAL-C D0
OMC DC OXIDE-Y D0
OMC DC OXIDE-C D0
*
BETACAM PB ADJUST MODE
A36:DM VR 5
DO TH METAL-Y 1A
DO TH METAL-C 12
DO TH OXIDE-Y 2E
DO TH OXIDE-C 27
ENV-TH-H 20
ENV-TH-L 10
*
BETACAM PB ADJUST MODE
A34:DM VR 3
SUB METAL-Y-A A4
SUB METAL-Y-B A4
SUB METAL-C-A 70
SUB METAL-C-B 70
SUB OXIDE-Y-A B6
SUB OXIDE-Y-B B6
SUB OXIDE-C-A AA
SUB OXIDE-C-B AA
*
BETACAM PB ADJUST MODE
A37:TBC VR
SQ-Y RZ 4B
SQ-C RZ 6F
VISC PHASE 06
*