DUS 60 Digital Ultrasonic Diagnostic Imaging System Service Manual
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4.2.2. Main Board
Definitions of Mainboard (V0.002)
Interface connected to the foot switch –J1
Interface connected to the loudspeaker –J2
Pin No. Symbol Pin No. Symbol
1 GND 2 D3.3V
3 D3.3V 4 GND
5 GND / /
Pin No. Symbol Pin No. Symbol
1 GND 2 L1
3 L2 4 GND
5 GND 6 R1
7 R2 8 GND