R/B Ad Gain Adjustment - Sony Betacam SX DNV-5 Maintenance Manual

8-8. R/B AD Gain Adjustment

8-8. R/B AD Gain Adjustment
Note
. Never change the setting of "G AD GAIN" during
adjustment.
Preparation
. Connect a waveform monitor to the TEST OUT and
vectorscope to the VIDEO OUT connectors respectively.
. WHITE BAL switch (inside panel) → PRST
. On the setting menu, set as follows.
PAGE : FUNCTION 1/2
: TEST SAW → ON
ITEM
: GAMMA → OFF
ITEM
PAGE : LEVEL 3
: KNEE SELECT → OFF
ITEM
Adjustment procedure
1. On the setting menu, adjust as follows.
PAGE : AD ADJ.
ITEM : R AD GAIN
Spec. : Adjust the illuminated spot at the center
of the vectorscope.
Y
L
G
2. On the setting menu, adjust as follows.
PAGE : AD ADJ.
ITEM : B AD GAIN
Spec. : Adjust the illuminated spot at the center
of the vectorscope.
3. Repeat steps 1 and 2 several times, adjust the illumi-
nated spot at the center of the vectorscope.
4. Make sure that the carrier leak at portion B is not
observed.
8-8
M
G
R
B
C
Y
B
Setting after adjustment
. On the setting menu, set as follows.
PAGE : FUNCTION 1/2
: TEST SAW → OFF
ITEM
: GAMMA → ON
ITEM
PAGE : LEVEL 3
: KNEE SELECT → 1
ITEM
DNV-5
DNW-7/90/90WS