A-2
Appendix A — Jetta Power Supply Information
Power Supply Configurations
Each Signal Processor Frame Power Supply assembly for a Model 4000-3 Switcher
consists of a rack-mounted frame containing a Multi-Output Power Supply unit
and a high-c5 Volt Power Supply unit.
These power supply assemblies can be mounted in either a non-redundant
configuration (1 frame with the two power supply units) or a redundant
configuration (2 frames; each with two power supply units).
Grass Valley assembles and tests the power supplies; however, the individual
power units in the power supplies are manufactured by other suppliers.
An earlier version of the Signal Processor Frame Power Supply assembly for the
Model 4000-3 contained both a Multi-Output Power Supply unit and a high-
c5 Volt Power Supply unit manufactured by Todd Products Corporation.
That is the version described in Section 2 of this manual.
The present version of the Signal Processor Frame Power Supply assembly for the
Model 4000-3 also contains a Todd Multi-Output Power Supply unit, but the high-
c5 Volt Power Supply unit is now a Jeta. This version of the Signal
Processor Frame Power Supply is described here.
The reason for the change in power supplies is that, when fully optioned, the
Model 4000-3 draws enough current from the +5 Volt supply that it comes close to
exceeding the specifications of the Todd +5 Volt Supply.
Summary of Contents for Grass Valley 4000
Page 3: ...iii Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 4: ...iv Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 34: ...1 20 Section 1 System Overview ...
Page 138: ...2 104 Section 2 Installation ...
Page 196: ...3 58 Section 3 Functional Description ...
Page 286: ...Index 6 Index ...