GE Vivid E80 Service Manual page 201

General description (continued)
Temperature Control
LEDs
–
Vivid E80/E90/E95
GC091052 Rev. 3
The Main Power Supply delivers the needed voltages to the rest
of the Ultrasound system:
• Internal peripherals (115 V
• 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
• TSV2: +/-2.5 V
• Front End Rack (PMX for the probe channel multiplexers
inside some probes) +/-100V
• Back End Processor (48 V
• Operating Panel, LCD, XYZ motors (48 V
The mains cord has plugs in both ends. A female plug connects
to the Ultrasound system and a male plug to the wall outlet.
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.
There are no LEDs on the Main Power Supply.
Service Manual
Power distribution
)
AC
to +/-95V
DC DC
to +/-95V
DC DC
DC
)
DC
)
DC
5-41