Preset White Adjustment; Shading Adjustment; Black Shading Adjustment - Sony Digital Betacam DVW-707 Maintenance Manual

8-10. Preset White Adjustment

8-11. 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)
. Shoot a white pattern of color temperature to suit the
customer's preferences.
Adjustment Procedure
1. Equipment : Waveform monitor
Test point : TEST OUT connector
setting point : 1 Lens IRIS
Spec. : A = 90
A = 630 10 mV (PAL)
. On the setup menu, adjust as follows.
PAGE : S35*PRESET WHT
ITEM : COLOR TEMP <P>
ITEM : FINE <WHITEP>
ITEM : R GAIN <P>
ITEM : B GAIN <P>
Spec. : Adjust R GAIN and B GAIN alternate-
ly until the carrier leakage is not present
on the white pattern signal at any time.
8-12
CAM/ON
2 IRE (NTSC)
8-11. Shading Adjustment

8-11-1. Black Shading Adjustment

Preparation
. Lens IRIS
CLOSE
. Waveform monitor setting
LUM mode
VOLT FULL SCALE range
Adjustment Procedure
Equipment : Waveform monitor
Test point : TEST OUT connector
1. On the setup menu, set as follows.
PAGE : S48*B-SHADING G
ITEM : TEST OUT
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 S48*B-SHADING G
TEST OUT G H SAW V SAW
<BG> <BG>
R S49*B-SHADING R
TEST OUT R H SAW V SAW
<BR> <BR>
B S50*B-SHADING B
TEST OUT B H SAW V SAW
<BB> <BB>
(H SAW) (H PARA)
Setting After Adjustment
. On the setup menu, set as follows.
PAGE : S50*B-SHADING B
ITEM : TEST OUT
0.5
G
H PARA V PARA
H PARA V PARA
<BG> <BG>
H PARA V PARA
<BR> <BR>
H PARA V PARA
<BB> <BB>
(V SAW) (V PARA)
ENC
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1