Tektronix Grass Valley 3000 - Manual (Page 33)

1-17
Functional Description
Figure 1-6. Video Flow Diagram of Typical Model 3000 Switching System
DIAGNOSTIC
PROBE
Frame Store
Video
and Key
M/E 1
& M/E 2
MIXERS
FRAME STORE
FOR VIDEO, KEY,
AND MASK
STORAGE
SECONDARY
WIPE
OPTION
Aux Bus 1A-4B
Video and Key
QUAD
OUTPUT
MODULES
ANALOG,
PARALLEL
DIGITAL,
AND
SERIAL
DIGITAL
PGM/PST
MIXER
AND
DUAL DSK
Mask
Store
Input
DSK Pvw
Video
M/E Pvw
Video
M/E 1 and M/E 2
Program Video
and Key
0348-05R
Outputs
Program
Video
& Key
& Clean
Feed
Video
PREVIEW
M/E and DSK Preview
Mask and
Switched Preview
Mask
Store
Output
Clean Feed Video
DSK Preview Video
Mask
Switched Preview
M/E1 and M/E 2
Preview
DSK Preview
Aux Bus Video and Key
Frame Store Video and Key
M/E 1 and M/E 2
Program Video and Key
Program Video and Key
NOTE:
Primary Video Paths are
Indicated by Wide Arrows