Mindray Datascope AS 3000, Service Manual

Page: 40 / 180

AS3000™ Service Manual 0070-10-0683 1 - 27
Theory of Operation Ventilator Control and Drive
Power Board
Battery input, J4
PIN NAME FUNCTION
1. BAT Battery Input +
2. 5V Power Ground
3. BATTEST Battery test input
DC24V Power input, J3
PIN NAME FUNCTION
4. GND Power Ground
5. GND Power Ground
6. 24V Power input
7. 24V Power input
DC Power output, J2
PIN NAME FUNCTION
1. GND Power Ground
2. +5V Controller Logic Power
3. P12V Power 12V
4. PWBUS Power Bus 24V
5. GND Analog Ground
6. A12V Analog 12V
7. 5V/4.8V Power 5V/4.8V
Heater Power, J1
PIN NAME FUNCTION
6. GND Power Ground
7. 5V Controller Power, Output Enable
8. 24V Heater Power Supply
9. PBUS Power Bus, No Connection
Power Control, J2
PIN NAME FUNCTION
1. GND Ground
2. /PWON Power On Enable, Low active
3. PWEN Power On Enable, High active
4. 5VAUX 5V Auxiliary
5. DC_M AC/DC Monitor signal
6. PWBUS Power bus
7. BAT_M Battery Monitor signal