Sony Digital betacam DVW-707, Maintenance Manual, Page: 272 / 314

7-20
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
5. On the setup menu, adjust as follows.
PAGE
: S21
*
LEVEL 4
ITEM : WHITE CLIP LEVEL
Spec. : B = 109 ± 2 IRE (NTSC)
B = 763
±
10 mV (PAL)
6. GAIN switch (inside panel)
→
M (9 dB)
7. On the setup menu, set as follows.
PAGE : S21
*
LEVEL 4
ITEM : WHITE CLIP
→
OFF
8. On the setup menu, adjust as follows.
PAGE : S21
*
LEVEL 4
ITEM : KNEE SLOPE
Spec. : C = 109 ± 2 IRE (NTSC)
C = 763
±
10 mV (PAL)
Setting After Adjustment
.
GAIN switch (inside panel)
→
L (0 dB)
.
On the setup menu, set as follows.
PAGE : S12
*
FUNCTION 1/2
ITEM : TEST SAW
→
OFF
PAGE : S21
*
LEVEL 4
ITEM : WHITE CLIP
→
ON
ITEM : KNEE
→
ON
n
The values used in the above adjustment are for the
conditions that the white clip level is set to 109 IRE
(763 mV). When the white clip level is set to a value other
than 109 IRE (763 mV), use the following table to set the
levels of the knee point and knee slope.
WHITE CLIP LEVEL (Unit : IRE/mV)
109/763 107/749 105/735 103/721
KNEE POINT 98/686 96/686 96/672 96/672
KNEE SLOPE 109/763 107/750 107/750 107/750
WHITE CLIP 109/763 107/750 105/735 103/721
7-15. Knee and White Clip Adjustments
7-15-1. Manual Knee and White Clip
Adjustments
Preparation
. OUTPUT/DCC switch (inside panel)
→
CAM/OFF
.
WHITE BAL switch (inside panel)
→
PRST
.
GAIN switch (inside panel)
→
M (9 dB)
.
On the setup menu, set as follows.
PAGE
: S12 * FUNCTION 1/2
ITEM : TEST SAW
→
ON
PAGE : S21
*
LEVEL 4
ITEM : WHITE CLIP
→
OFF
ITEM : KNEE
→
OFF
Adjustment Procedure
Equipment : Waveform monitor
Test point : TEST OUT connector
1. On the setup menu, set as follows.
PAGE
: S21
*
LEVEL 4
ITEM : KNEE SLOPE
→
_ 99
2. On the setup menu, adjust as follows.
PAGE
: S21
*
LEVEL 4
ITEM : KNEE POINT
Spec. : A = 98 ± 2 IRE (NTSC)
A = 686
±
10 mV (PAL)
3. GAIN switch (inside panel)
→
H (18 dB)
4. On the setup menu, set as follows.
PAGE : S21
*
LEVEL 4
ITEM : WHITE CLIP
→
ON
ITEM : KNEE SLOPE
→
99
A
B
C
7-15. Knee and White Clip Adjustments