Zebra Adjustment - Sony Digital Betacam DVW-707 Maintenance Manual

8-18. Zebra Adjustment

8-18. Zebra Adjustment
Preparation
. ZEBRA switch (viewfinder)
. On the setup menu, set as follows.
PAGE : S12*FUNCTION 1/2
ITEM : TEST OUT
PAGE : S15*VF SETTING
ITEM : ZEBRA SELECT
ITEM : ZEBRA1 APT. LVL
. OUTPUT/DCC switch (inside panel)
. Shoot a grayscale chart in the full underscanned monitor
frame.
Equipment : Waveform monitor
Test point : TEST OUT connector
: 1Lens IRIS
Setting point
Spec. : A = 100 2 IRE (NTSC)
A = 700 14 mV (PAL)
Adjustment Procedure
Equipment : Black and white monitor
Test point : TEST OUT connector
1. On the setup menu, adjust as follows.
PAGE : S15*VF SETTING
ITEM : ZEBRA1 DET. LVL
Spec. : Set the condition that zebra pattern appears
at the portions A.
A
2. On the setup menu, set as follows.
PAGE : S12*FUNCTION 1/2
ITEM : TEST SAW
3. On the setup menu, adjust as follows.
PAGE : S15*VF SETTING
ITEM : ZEBRA1 APT. LVL (Factory setting : 10 %)
Spec. : Adjust for the desired width of detection.
8-24
ON
R, G or B
1
1 %
CAM/ON
A
A
ON
4. On the setup menu, set as follows.
PAGE : S12*FUNCTION 1/2
ITEM : TEST SAW
5. On the setup menu, set as follows.
PAGE : S15*VF SETTING
ITEM : ZEBRA SELECT
6. On the setup menu, adjust as follows.
PAGE : S15*VF SETTING
ITEM : ZEBRA2 DET. LVL
Spec. : Set the condition that zebra pattern appears
at the portion B.
Setting After Adjustment
. On the setup menu, set as follows.
PAGE : S15*VF SETTING
ITEM : ZEBRA SELECT
PAGE : S12*FUNCTION 1/2
ITEM : TEST OUT
OFF
2
B
1
ENC
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1