A-8
Appendix A — Jetta Power Supply Information
Maintenance Information
Changes to the Maintenance section of the Model 4000 Installation & Service
manual are as follows:
Replacement of Individual Power Supply Units
Replacement of a Jeta +5 Volt Power Supply
The removal of Pioneer and Todd +5 Volt supplies described in the Model 4000
Installation & Service manual does not apply to the Model 4000-3.
To remove a Jeta +5 Volt power supply unit from the Power Supply frame, reverse
the procedure described in the Upgrade Instructions (“Installation of Jeta +5 Volt
Supply”) in this Addendum.
NOTE:
Wiring diagrams of the Todd Multi-Output and Jeta + 5V Power Supplies are
provided at the end of this Addendum.
Power Supply Voltage Adjustments
Whenever a power supply is replaced or a redundant power supply is added,
power supply adjustments are required.
The Power Supply Adjustment Procedure given in the Model 4000 Installation &
Service manual is correct for both the Todd and Jeta power supplies, except for the
location of the +5 Volt adjustment. The location of the high-c5 Volt
adjustment (V1) on the Jeta supply is shown in
For your convenience, the adjustment procedure is repeated here.
WARNING
Dangerous voltages are present inside the Signal Processor Frame Power
Supply. Do not perform any servicing of this equipment unless you are
qualified to do so. Remove all rings, wrist watches, etc., before working
inside the equipment.
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 ...