Betacam Pb Adjust Mode (A3) - Sony Betacam SX DNW-A100 Maintenance Manual

4-2. TAPE Maintenance Mode (M0)

4-2-10. BETACAM PB ADJUST Mode (A3)

4-2-10. BETACAM PB ADJUST Mode (A3)
The A3 : BETACAM PB ADJUST mode is used to adjust
the PB system based on a Betacam/Betacam SP format.
This mode contains the eight menus below.
A3 : BETACAM PB ADJUST
A30 : EQ VR
A32 : DM VR 1
A33 : DM VR 2
A34 : DM VR 3
A35 : DM VR 4
A36 : DM VR 5
A37 : TBC VR
A3F : NV-RAM CONTROL
Menu Tree of BETACAM PB Adjustment Mode
c
Do not change the adjustment data carelessly. This may
cause a trouble. For the actual adjustment, refer to the
adjustment method described in Section 6 of this manual or
the maintenance manual part 2, volume-1.
If you have changed the adjustment data carelessly,
execute ALL DATA PREVIOUS in an A3F : NV-RAM
CONTROL menu or turn off the power of this unit without
selecting an A3F : NV-RAM CONTROL menu.
Never execute SAVE ALL ADJUST DATA.
n
Betacam/Betacam SP PB function of DNW-A100/A50/
A45 is for NTSC (525/60) system only.
Betacam/Betacam SP PB function of DNW-A100P/A50P/
A45P is for PAL (625/50) system only.
To change the adjustment data manually
(1) Turn the search dial on the superimpose picture and
move the * mark to the adjustment item.
Turn the search dial in the time data display area and
display the item to be adjusted.
(2) Turn the search dial while pressing the JOG button.
The adjustment data then increases or decreases.
To return the adjustment data to the former state
Execute ALL DATA PREVIOUS in an A3F : NV-RAM
CONTROL menu.
n
The current adjustment data can not return to the former
state after executing SAVE ALL DATA ADJUST DATA.
4-68
To save the adjustment data
Execute SAVE ALL ADJUST DATA in an A3F : NV-
RAM CONTROL menu.
n
In a time data display area, the adjustment item name on
the superimpose picture is omitted during display as
follows:
RF GAIN 8 GAIN
GUARD BAND 8 GUARD
METAL 8 M
OXIDE 8 O
A30 : EQ VR
BETACAM PB ADJUST MODE
A30:EQ VR
*
RF GAIN METAL-Y-A 58
RF GAIN METAL-Y-B 59
RF GAIN METAL-C-A 48
RF GAIN METAL-C-B 4D
RF GAIN OXIDE-Y-A 72
RF GAIN OXIDE-Y-B 75
RF GAIN OXIDE-C-A 5A
RF GAIN OXIDE-C-B 5C
This menu is used to adjust the gain of the PB RF amplifier
(EQ-56 board) based on a Betacam/Betacam SP format.
There are adjustment items for metal and oxide tapes.
Each adjustment item is provided proportionally to the
number of heads (Y-A, Y-B, C-A, and C-B).
A32 : DM VR 1
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
This menu is used to adjust the frequency characteristics of
a primary cosine equalizer (DM-89 board).
There are adjustment items for metal and oxide tapes.
Each adjustment item is provided proportionally to the
number of heads (Y-A, Y-B, C-A, and C-B).
DNW-A100/A50/A45
DNW-A100P/A50P/A45P