Sony Betacam SX DNW-7, Maintenance Manual

Page: 101 / 124

6-5
DNW-7/90/90WS
6-5. White Shading Adjustment
16:9 mode
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
→
0.5
Adjustment procedure
Test point: TEST OUT connector
1. On the setting menu, set as follows.
PAGE : W-SHAD_G
ITEM : TEST OUT
→
G
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 H PARA V PARA
G W-SHAD_G W-SHAD_G W-SHAD_G W-SHAD_G W-SHAD_G
TEST OUT
→
G H SAW V SAW H PARA V PARA
R W-SHAD_R W-SHAD_R W-SHAD_R W-SHAD_R W-SHAD_R
TEST OUT
→
R H SAW V SAW H PARA V PARA
B W-SHAD_B W-SHAD_B W-SHAD_B W-SHAD_B W-SHAD_B
TEST OUT
→
B H SAW V SAW H PARA V PARA
4. Set the lens to EXTENDER and adjust in the same way.
TEST OUT H SAW V SAW H PARA V PARA
G W-SHAD_G W-SHAD_G W-SHAD_G W-SHAD_G W-SHAD_G
TEST OUT
→
G H SAW V SAW H PARA V PARA
(EXT) (EXT) (EXT) (EXT)
R W-SHAD_R W-SHAD_R W-SHAD_R W-SHAD_R W-SHAD_R
TEST OUT
→
R H SAW V SAW H PARA V PARA
(EXT) (EXT) (EXT) (EXT)
B W-SHAD_B W-SHAD_B W-SHAD_B W-SHAD_B W-SHAD_B
TEST OUT
→
B H SAW V SAW H PARA V PARA
(EXT) (EXT) (EXT) (EXT)
Setting after adjustment
.
On the setting menu, set as follows.
PAGE : W-SHAD_B
ITEM : TEST OUT
→
ENC
(H SAW) (H PARA)
(H SAW) (H PARA)
6-5. White Shading Adjustment