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Section 1 — System Overview
To/From
All Circuits
Aux Bus
1A-4B
Frame Store Video and Key
Video Signals
In
Key Signals
In
RGB
Inputs
DUAL
CHROMA
KEYERS
DUAL
RGB INPUT
MODULES
QUAD
INPUT
MODULES
ANALOG,
PARALLEL
DIGITAL,
AND
SERIAL
DIGITAL
M/E Program Video and Key
Switched Preview and Mask
Clipped Mask and
Mask Store Video
0702-05L
(control buses not
shown for simplicity)
Clocks
Black,
Back-
ground,
and
Test
Signals
CONTROL PANEL
SYNC
GENERATOR
CONTROLLER
Program, Preset, and DSK Video and Key
Aux Bus 5A-7B Video and Key
80 X 48
VIDEO
CROSSPOINT
MATRIX
QUAD
KEYER
MODULES –
M/E 1,
M/E 2,
& M/E 3
M/E1,
M/E2 & M/E3
Chr. Key
M/E
Video
and
Key
EFFECTS
LOOP
CROSS-
POINTS