Manual Knee And White Clip Adjustments - Sony DNW-7 Maintenance Manual

6-9. Manual Knee and White clip Adjustments

6-9. Manual Knee and White Clip
Adjustments
Preparation
. OUTPUT/DCC switch (inside panel)
. WHITE BAL switch (inside panel)
. GAIN switch (inside panel)
. On the setting menu, set as follows.
PAGE : FUNCTION 1/2
ITEM : TEST SAW
PAGE : LEVEL 3
ITEM : WHITE CLIP
Adjustment procedure
Test point: TEST OUT connector
1. On the setting menu, set as follows.
PAGE : LEVEL 3
ITEM : KNEE SLOPE 1
2. On the setting menu, adjust as follows.
PAGE : LEVEL 3
ITEM : KNEE POINT 1
: A = 85 ±2 IRE (NTSC)
Spec.
A = 595 ±14 mV (PAL)
3. GAIN switch (inside panel)
4. On the setting menu, set as follows.
PAGE : LEVEL 3
ITEM : WHITE CLIP
ITEM : KNEE SLOPE 1
5. On the setting menu, adjust as follows.
PAGE : LEVEL 3
ITEM : WHT CLIP LEVEL
Spec. : B = 107 ± 2 IRE (NTSC)
B = 735 ±10 mV (PAL)
6. GAIN switch (inside panel)
7. On the setting menu, set as follows.
PAGE : LEVEL 3
ITEM : WHITE CLIP
8. On the setting menu, adjust as follows.
PAGE : LEVEL 3
ITEM : KNEE SLOPE
: C = 109 ± 2 IRE (NTSC)
Spec.
C = 763 ±14 mV (PAL)
A
6-8
CAM/OFF
PRST
M (9 dB)
ON
OFF
MIN
H (18 dB)
ON
MAX
M (9 dB)
OFF
B C
Setting after adjustment
. GAIN switch (inside panel)
. On the setting menu, set as follows.
PAGE : FUNCTION 1/2
ITEM : TEST SAW
PAGE : LEVEL 3
ITEM : WHITE CLIP
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), equate these values of knee slope
adjustment and white clip adjustment.
L (0 dB)
OFF
ON
DNW-7/90/90WS