White Shading Adjustment - Sony DNW-7 Maintenance Manual

5-5. White Shading Adjustment

5-5. White Shading Adjustment
Preparation
. Lens IRIS
AUTO
. Shoot a fully occupied white area of pattern box in the
underscan's picture frame.
. Waveform monitor setting
LUM mode
VOLT FULL SCALE range
Adjustment procedure
Test point : TEST OUT connector
1. On the setting menu, set as follows.
PAGE : W-SHAD_G
ITEM : TEST OUT
2. Make the waveform to flat by UP and/or DOWN
button on the inside panel 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 W-SHAD_G W-SHAD_G W-SHAD_G
TEST OUT G H SAW V SAW
R W-SHAD_R W-SHAD_R W-SHAD_R
TEST OUT R H SAW V SAW
B W-SHAD_B W-SHAD_B W-SHAD_B
TEST OUT B H SAW V SAW
(H SAW) (H PARA)
4. Set the lens to EXTENDER and adjust in the same way.
TEST OUT H SAW V SAW
G W-SHAD_G W-SHAD_G W-SHAD_G
TEST OUT G H SAW V SAW
(EXT) (EXT)
R W-SHAD_R W-SHAD_R W-SHAD_R
TEST OUT R H SAW V SAW
(EXT) (EXT)
B W-SHAD_B W-SHAD_B W-SHAD_B
TEST OUT B H SAW V SAW
(EXT) (EXT)
5-4
0.5
G
H PARA V PARA
W-SHAD_G W-SHAD_G
H PARA V PARA
W-SHAD_R W-SHAD_R
H PARA V PARA
W-SHAD_B W-SHAD_B
H PARA V PARA
(H SAW) (H PARA)
H PARA V PARA
W-SHAD_G W-SHAD_G
H PARA V PARA
(EXT) (EXT)
W-SHAD_R W-SHAD_R
H PARA V PARA
(EXT) (EXT)
W-SHAD_B W-SHAD_B
H PARA V PARA
(EXT) (EXT)
Setting after adjustment
. On the setting menu, set as follows.
PAGE : W-SHAD_B
ITEM : TEST OUT ENC
DNW-7/90/90WS