22
IC BLOCK DIAGRAMS
T Q
CLR
CLK
Q
S
Q
R
D
CLK
REG
CAPACITOR
CHARGE
CURRENT
8
OSC
D
V
2
3
4
1
V
A
V
B
V
2
V
2
V
CC
V
CC
V
1
V
1
COMPOSITE
SYNC
VIDEO
INPUT
VERTICAL
SYNC
GND
DEFAULT
8
7
6
5
OCD/EVEN
FIELD
INDEX
REST
BURST GATE/
BACK PORCH
CLAMP
LM1881MX (Sync Separator)
MB90096 (Multi scan on-screen display control)
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