16 Service Manual
3 Principle Descriptions
3.2 Hardware Description
3.2.1 Probe Board
The probe board provides 4-idental probe ports.
4-idental Probe Port
260pin
Probe A
Probe B
Probe C
Probe D
Relay Relay
Probe AB
Probe CD
Relay
EL1
EL128
To VBF Board
Connector 200pin
Figure 3-2 Probe Board Diagram
The ultrasound system adopts 192 secondary relays (G6KU-2F-Y(DC12V))to transmit signals.
Moreover, the probe board also consist probe identification, relay drive circuit and high-quality
probe drive circuit.
Figure 3-3 Probe Identification
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