Sony DNW-A75 Maintenance Manual page 158

4-2. TAPE Maintenance Mode (M0)
4-2-10. AUDIO/VIDEO ADJUST Mode (A2)
A21 : AD VR
AUDIO/VIDEO ADJUST MODE
A21:AD VR
*
Y INPUT LEVEL 80
R-Y INPUT LEVEL 80
B-Y INPUT LEVEL 80
Y INPUT PHASE 80
Y/R-Y INPUT DELAY 80
Y/B-Y INPUT DELAY 80
B-CAM Y IN LEVEL 80
B-CAM R-Y IN LEVEL 80
B-CAM B-Y IN LEVEL 80
In 525/60 System
This menu is used to adjust the analog component video
input system on the DEC-110 board. In 525/60 and 625/50
systems, the displayed adjustment items differ.
The adjustment item below is adjusted in either of the 525/
60 or 625/50 system.
Adjustment item Description
Y INPUT LEVEL Y input level
R-Y INPUT LEVEL R-Y input level
B-Y INPUT LEVEL B-Y input level
Y INPUT PHASE Y input phase
Y/R-Y INPUT DELAY R-Y input delay compensation
Y/B-Y INPUT DELAY B-Y input delay compensation
The adjustment item below is used exclusively for the 525/
60 system.
Adjustment item Description
B-CAM Y IN LEVEL Y input (Betacam) level
B-CAM R-Y IN LEVEL R-Y input (Betacam) level
B-CAM B-Y IN LEVEL B-Y input (Betacam) level
n
The adjustment data in A21 : AD VR menu is used in
common with A22 : AD VR (LOOP) menu.
4-68
AUDIO/VIDEO ADJUST MODE
A21:AD VR
*
Y INPUT LEVEL 80
R-Y INPUT LEVEL 80
B-Y INPUT LEVEL 80
Y INPUT PHASE 80
Y/R-Y INPUT DELAY 80
Y/B-Y INPUT DELAY 80
In 625/50 System
A22 : AD VR (LOOP)
AUDIO/VIDEO ADJUST MODE
A22:AD VR (LOOP)
*
Y INPUT LEVEL 80
R-Y INPUT LEVEL 80
B-Y INPUT LEVEL 80
Y INPUT PHASE 80
Y/R-Y INPUT DELAY 80
Y/B-Y INPUT DELAY 80
B-CAM Y IN LEVEL 80
B-CAM R-Y IN LEVEL 80
B-CAM B-Y IN LEVEL 80
In 525/60 System
In this menu, the most suitable signal for adjustment is
output from an internal video test signal generator (refer to
the table below), and the component video input system
can be adjusted with the multi-loop function activated.
The adjustment item is the same as for A21: AD VR.
Adjustment item Test signal
Y INPUT LEVEL 100% Color Bars
R-Y INPUT LEVEL
B-Y INPUT LEVEL
Y INPUT PHASE NTC7 (NTSC): 525/60 system
Line330 (625): 625/50 system
Y/R-Y INPUT DELAY Bowtie
Y/B-Y INPUT DELAY
B-CAM Y IN LEVEL 75% Color Bars
B-CAM R-Y IN LEVEL
B-CAM B-Y IN LEVEL
n
The adjustment data in A22 : AD VR (LOOP) menu is
used in common with A21 : AD VR menu.
AUDIO/VIDEO ADJUST MODE
A22:AD VR (LOOP)
*
Y INPUT LEVEL 80
R-Y INPUT LEVEL 80
B-Y INPUT LEVEL 80
Y INPUT PHASE 80
Y/R-Y INPUT DELAY 80
Y/B-Y INPUT DELAY 80
In 625/50 System
DNW-A75/A75P