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1-12
Section 1 — System Overview
To/From
All Circuits
Frame Store Video and Ke
Video Signals
In
Key Signals
In
Component
Analog
Chroma Key
Inputs
DUAL
CHROMA
KEYER
DUAL
CHROMA KEY
INPUT
MODULES
M/E Program Video and K
e
Switched Preview and Mask
Clipped Mask and
Mask Store Video
(control buses not
shown for clarit
y)
Clocks
to all
modules
CONTROL PANEL
SYNC
GENERATOR
CONTROLLER
Program, Preset, and DSK Video and K
e
Aux Bus 5A-9B Video and Key
80 X 48
VIDEO
CROSSPOINT
MATRIX
QUAD
KEYER
MODULES –
M/E 1
& M/E 2
M/E1
& M/E2
Chr. Key
M/E
Video
and
Key
MIXER
MODULE
CROSS-
POINTS
c
e
g
ital
ce
Timing
Signals
to all
video
modules
SERIAL
DIGITAL
INPUT
MODULES
ANALOG
INPUT
MODULES
EFFECTS SEND
MODULES
Aux Bus
1A-4B
Black, Background 1 and 2, and Test Sign
a