White Shading Adjustment - Sony Digital Betacam DVW-707 Maintenance Manual

8-11-2. White Shading Adjustment

Note
This adjustment could not be correctly performed if the
uneven white patten is used, luminance is not correct, or
lens iris and lena zoom are not in good conditions.
Preparation
. Lens IRIS
AUTO
. Shoot a fully occupied white area of pattern box in the
underscanned monitor frame.
. 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 : S30*W-SHADING G
ITEM : TEST OUT
2. Make the waveform flat by setup menu 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 S30*W-SHADING G
TEST OUT G H SAW V SAW
<WG> <WG>
R S31*W-SHADING R
TEST OUT R H SAW V SAW
<WR> <WR>
B S32*W-SHADING B
TEST OUT B H SAW V SAW
<WB> <WB>
(H SAW) (H PARA)
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
0.5
G
H PARA V PARA
H PARA V PARA
<WG> <WG>
H PARA V PARA
<WR> <WR>
H PARA V PARA
<WB> <WB>
(V SAW) (V PARA)
4. Select the lens extender and adjust in the same way.
TEST OUT H SAW V SAW
G S30*W-SHADING G
TEST OUT G H SAW V SAW
(EXT) (EXT)
<WG> <WG>
R S31*W-SHADING R
TEST OUT R H SAW V SAW
(EXT) (EXT)
<WR> <WR>
B S32*W-SHADING B
TEST OUT B H SAW V SAW
(EXT) (EXT)
<WB> <WB>
Setting After Adjustment
. On the setup menu, set as follows.
PAGE : S32*W-SHADING B
ITEM : TEST OUT
8-11. Shading Adjustment
H PARA V PARA
H PARA V PARA
(EXT) (EXT)
<WG> <WG>
H PARA V PARA
(EXT) (EXT)
<WR> <WR>
H PARA V PARA
(EXT) (EXT)
<WB> <WB>
ENC
8-13