Comen STAR8000 - Button Board; SPO2 Module

13
PIN ID
CN1(A
C)
CN2(A
C
J1 J4 J5 J7 J10 J25
Description
AC
input
socket
To DC
board
socket
To AC
board
socket
To
mainbo
ard
socket
Loud
speaker
socket
Co2
socket
To
USB/NET
board
socket
Battery
socket
Working
voltage
100-250
V(AC)
15V 15V 15 V,12
V,5V,1.
8V
/ 5V 5V,1.8v 16.8V
Module
Function
Provide power to main board
3.2.5 Button Board
The button board, located at the lower part of the monitor’s front panel, button board including knob that can
be pressed, knob can also be rotated both clockwise and counter-clockwise, signals are sent to main board
CPU by the single chip processor on button board. It also controls display of power indicator, AC indicator
and charge indicator.
PIN ID J3 J1
Description Button FFC socket Knob socket
Working voltage 18V,12V,5V 5V
Module Function keyboard signal process and sending
3.2.6 SPO2 Module
There are 3 types of SpO2 modules: Digital SpO2, Masimo SpO2 and Nellcor SpO2 module.
The SpO2 board implements SpO2 signals collection amplified simulation, relative digital/analog conversion
and signal processing.
The pulse extent of optical signal changes during monitoring. SpO2 parameter, pulse rate signal and pleth
waveform will be acquired after calculation. These data will be transmitted to the main board with special