Power distribution
Vivid E80/E90/E95 – Service Manual 5-41
GC091052 Rev. 3
General description (continued)
The Main Power Supply delivers the needed voltages to the rest
of the Ultrasound system:
• Internal peripherals (115 V
AC
)
• Front End Rack (DC power with several voltages)
• +24 V
DC
• +/- 15 V
DC
• +/- 6V
DC
• Front End Rack (TSV1 and TSV2 for the transmitters)
• TSV1: +/-2.5 V
DC
to +/-95V
DC
• TSV2: +/-2.5 V
DC
to +/-95V
DC
• Front End Rack (PMX for the probe channel multiplexers
inside some probes) +/-100V
DC
• Back End Processor (48 V
DC
)
• Operating Panel, LCD, XYZ motors (48 V
DC
)
The mains cord has plugs in both ends. A female plug connects
to the Ultrasound system and a male plug to the wall outlet.
Temperature Control
The Main Power Supply is equipped with internal fans with
variable speed for temperature control.
Both the temperature of the air entering the power supply and
leaving the power supply are measured.
The fans are controlled by software.
LEDs
There are no LEDs on the Main Power Supply.
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