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Sony DVW-790WS/790WSP User Manual

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7-13
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
7-8. R/B AD Gain Adjustment
Note
. This adjustment is needed only when the AD board or
the VA board is replaced. Do not make any attempt to
touch on this adjustment in any other cases.
. Never make any attempt to change the G AD gain data
during this adjustment.
Preparation
. Connect a waveform monitor to the TEST OUT and
vector monitor to the VIDEO OUT connectors respec-
tively.
. WHITE BAL switch (inside panel) 
→
 PRST
. On the setup menu, set as follows.
PAGE
: S12
*FUNCTION 1/2
ITEM
: TEST SAW
→
 ON
ITEM
: GAMMA
→
 OFF
PAGE
: S21
*LEVEL 4
ITEM
: KNEE
→
 OFF
Adjustment Procedure
1.
On the setup menu, adjust as follows.
PAGE
: S54
*AD ADJ.
ITEM
: R AD GAIN
Spec.
: Adjust the illuminated spot at the center
of the vector monitor.
2.
On the setup menu, adjust as follows.
PAGE
: S54
*AD ADJ.
ITEM
: B AD GAIN
Spec.
: Adjust the illuminated spot at the center
of the vector monitor.
3.
Repeat steps 1 and 2 several times, adjust the illumi-
nated spot at the center of the vector monitor.
4.
Make sure that the carrier leakage at portion B is not
observed.
Setting After Adjustment
. On the setup menu, set as follows.
PAGE
: S12
*FUNCTION 1/2
ITEM
: TEST SAW
→
 OFF
ITEM
: GAMMA
→
 ON
PAGE
: S21
*LEVEL 4
ITEM
: KNEE
→
 ON
7-8. R/B AD Gain Adjustment
B
R
M
G
C
Y
G
Y
L
B
R
M
G
C
Y
G
Y
L
B
(For NTSC)
(For PAL)