Preset White Adjustment; Shading Adjustment; Black Shading Adjustment - Sony Betacam SX DNV-5 Maintenance Manual

8-10. Preset White Adjustment

8-11. Shading Adjustment

8-11-1. Black Shading Adjustment

8-10. Preset White Adjustment
Note
. Only when changing the color temperature setting of
preset white (PRST), perform this adjustment.
Preparation
. OUTPUT/DCC switch (inside panel) → CAM/ON
. Shoot a white pattern of color temperature to suit the
customer's preferences.
Adjustment procedure
Test point: TEST OUT connector
1. Equipment : Waveform monitor
setting point : 1 Lens IRIS
: A = 90 ± 2 IRE (NTSC)
Spec.
A = 630 ±10 mV (PAL)
.
On the setting menu, set as follows.
PAGE : WHT PRESET
ITEM : R WHT PRESET
ITEM : B WHT PRESET
Spec. : Adjust alternately until the carrier in
the white pattern area is not observed.
8-10
8-11. Shading Adjustment
8-11-1. Black Shading Adjustment
Preparation
. Lens IRIS → CLOSE
. Waveform monitor setting
LUM mode
VOLT FULL SCALE range → 0.5
Adjustment procedure
Test point: TEST OUT connector
1. On the setting menu, set as follows.
PAGE : B-SHAD_G
: TEST OUT → G
ITEM
2. Make the waveform to flat by rotary encoder according
to the table below.
3. Adjust the shading for R and B channels in the same way.
TEST OUT H SAW V SAW
G B-SHAD_G B-SHAD_G B-SHAD_G
TEST OUT → G H SAW
V SAW
R B-SHAD_R B-SHAD_R B-SHAD_R
TEST OUT → R H SAW
V SAW
B B-SHAD_B B-SHAD_B B-SHAD_B
TEST OUT → B H SAW
V SAW
(H SAW) (H PARA)
Setting after adjustment
. On the setting menu, set as follows.
PAGE : B-SHAD_B
: TEST OUT → ENC
ITEM
H PARA V PARA
B-SHAD_G B-SHAD_G
H PARA V PARA
B-SHAD_R B-SHAD_R
H PARA V PARA
B-SHAD_B B-SHAD_B
H PARA V PARA
(H SAW) (H PARA)
DNV-5
DNW-7/90/90WS