Akai ADV-73DR, Service Manual

Page: 46 / 54

Page: 14
--Vertical--
Interlace:
ODD Field: same phase VD and HD
EVEN Field: same phase VD and Half-HD
DIN[7:0]
HD
VD
t
vdm
t
vfpe
t
vdm
t
vdm
t
vd
Odd Field(
t
v
) Even Field(
t
v
)
1 Frame
Active Area
Display Area
Active Area
Display Area
Valid Data Valid Data
t
vd
t
vbo
t
vfpo
t
vbe
t
vdm
Non-interlace:
t
vbo
t
vbe
t
vdm
DIN[7:0]
HD
VD
t
vdm
t
vfpe
t
vdm
t
vdm
t
vd
Odd Field(t
v
)
Even Field(t
v
)
1 Frame
Active Area
Display Area
Active Area
Display Area
Valid Data Valid Data
t
vd
t
vfpo
t
vpw
(1) Interlace Mode
Parameter Symbol MIN TYP MAX Unit
Vertical valid data t
vd
- 240 - H
1 Vertical field t
v
- 262.5 - H
Vsync pulse width t
vpw
1 1 - DCLK
Odd Field t
vbo
- 14 - H Vsync blanking
Even Field t
vbe
- 14.5 - H
Odd Field t
vfpo
- 8.5 - H
Vsync
front porch
Even Field t
vfpe
- 8 H
Vertical dummy time t
vdm
- 0 - H