Theory of Oper ation
Power Supply a
nd Distribution
The power supply has a universal AC input that enables it to accommodate
100 VAC to 264 VAC without any user range switching. The output is 5 V DC.
Circuits con
vert this output to any other supply voltage that they require at the
point of usage.
Fuses on the
Primary supply 5 V output protect the main board. See the diagrams
in the troubleshooting section for locations of these fuses.
The second
ary supplies and their tolerances are specified in the troubleshooting
section. The location of the supply test points is shown in Maintenance section.
2–10 WVR6020, WVR7020, and WVR7120 Waveform Rasterizers Service Manual
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