Akai ADV-73DR Service Manual page 43

--Vertical--
Interlace:
ODD Field: same phase VD and HD
EVEN Field: same phase VD and Half-HD
Non-interlace:
(1) Interlace Mode: NTSC/QVGA
Parameter
Vertical valid data
1 Vertical field
VSYNC Pulse Width
Vsync blanking
Vertical Front
Porch
Vertical dummy time
Symbol
t
vd
t
v
t
vpw
Odd Field t
vbo
Even Field t
vbe
Odd Field t
vfpo
Even Field t
vfpe
t
vdm
MIN TYP
- 240
- 262.5
1 1
- 21
- 21.5
- 1.5
- 1
- 0
MAX Unit
- H
- H
- DCLK
- H
- H
- H
- H
- H
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