A-10
Appendix A — Jetta Power Supply Information
Adjusting Redundant Power Supply System
1.
Remove the left and right rear access panels of both power supply frames if
they have not previously been removed.
NOTE:
The –5.2V supply is labeled –5V.
2.
With the primary (upper) supply ON, and the redundant (lower) supply OFF,
measure each supply voltage (+5, –5.2, –13, +13, +48 Vdc) between the COM
test point and the respective power supply test point on the primary supply.
Important
: Do not measure from chassis ground to the test points.
3.
Refer to
for adjustment locations. Using a trimpot adjustment tool,
adjust the supplies to within 20mV of their labeled voltages. Remember to set
the supply labeled –5V to –5.2V.
4.
Recheck the supply voltages at the test points and record them on paper.
5.
Turn OFF the upper supply and turn ON the lower one.
6.
Measure the lower supply voltages and adjust them to match those of the
upper supply within 20mV. Adjustment locations are shown in
7.
Turn off both power supplies and install the access panels on the rear of the
supplies.
8.
Turn on both supplies for redundant operation.
Wiring Diagrams
Wiring diagrams for the Jeta +5 Volt Power Supply, the Todd Multi-Output Power
Supply, and the Signal Processor Frame A/C Power Supply assemblies are shown
on the Model 2200/4000 Drawings manual.
■
Jeta +5V Power Supply – B11-078959-01/11
■
Todd Multi-Output Power Supply – D11-078960-00/10
■
Signal Processor Frame A/C Power Supply – D11-098901-03/04
Содержание Grass Valley 4000
Страница 3: ...iii Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Страница 4: ...iv Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Страница 34: ...1 20 Section 1 System Overview ...
Страница 138: ...2 104 Section 2 Installation ...
Страница 196: ...3 58 Section 3 Functional Description ...
Страница 286: ...Index 6 Index ...