Product Principle 4-13
4.3.4 4D or 4D&TEE board
Low-pass
filter
ADC
Signal
amplification
DAC
Temp/angle
signal
detection and
amplification
Communication motherboard
Board-to-board connect
socket
Commu
nication
control
signal
Power
amplification
Voltage
control
Motor
drive
signal
Hall feedback signal for 4D probe
TEE
probe
support
signal
D+12V/D-12V/D+3V3
Back-end motherboard
cable connection
Board-to-board connect
socket
Front-end analog motherboard
Probe board
4D
probe
TEE
probe
Board-to-board connect
socket
Fig 4-15 Principle Block Diagram of 4D or 4D&TEE board
Function description:
 Power amplification for 4D drive signal; output required signal to drive the probe to the
designated position
 Provide 4D Hall signal returning channel.
 Amplify and collect the TEE probe temperature and angle signal.
4.3.5 Back-end Motherboard Connection
J32
J7
J9
J10
J3Battery
B/W
printer
DVD-
R/W
SATA
Drive power
Air outlet
fan
J13
Power
Control
panel
J12
USB and status
J18
Front Cover
USB
connecting
board
USB
ECG
Power supply,
serial port
J11
Main
monitor
Power
J26
DVI
J16 J17 MIC
Speaker
J53 J52 J51
AC/DC
Power
board
Touch
screen
J14
J27
J15
RGB
Power
I2C
J21 J22
J23
Digital
board
J4 J3
Back-end
power board
Front-end
power board
J1
J6
4D or
4D&TEE
board
Analog
mother
board
J24
AC
input
J25
J30
Power
connecting
board
Air inlet
fan
Back-end
motherboard