Revision:1.0(2023-01-12)
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The power supply unit supplies power to the frontend unit, backend unit, and peripherals. It
converts AC input into DC voltage required by each module of the system, and completes
battery charge and discharge management.
• UI unit:
The UI unit interacts with users and consists of the following modules:
– Touch screen: It displays ultrasonic images and corresponding parameters, and completes
man-machine interaction through touch control.
– IO module: It is used for inputs and outputs of audio and video signal, network signal, and
USB port information.
2.3.2 USB Distribution Scheme of Main Board
22..33..22..11 USB Distribution Scheme of Main Board
Figure2–2 USB distribution block diagram
Diagnostic Ultrasound System
Service Manual
2 Product Knowledge
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