Contents
ii
Troubleshooting Guide ....................................................................................... 33
Error Codes ........................................................................................................ 37
Introduction ......................................................................................................... 43
Tools Required ................................................................................................... 43
Replacement Level Supported ........................................................................... 43
Prior to Disassembly ........................................................................................... 43
Separating the Front and Back Cases ................................................................ 44
CPU PCB or Display PCB Replacement ............................................................ 46
Front Case Assembly Replacement ................................................................... 49
Rear Case Assembly Replacement .................................................................... 52
Battery Compartment Door Replacement ........................................................... 54
Introduction ......................................................................................................... 59
Returning the NPB-40 ........................................................................................ 59
Repacking in Original Carton .............................................................................. 59
Packing in a Different Carton .............................................................................. 60
Performance ....................................................................................................... 63
Electrical ............................................................................................................. 67
Environmental Conditions ................................................................................... 68
Physical Characteristics ..................................................................................... 69
Compliance ......................................................................................................... 69
Manufacturer’s Declaration ................................................................................. 69
Functional versus Fractional Saturation ................................................ 75
Measured versus Calculated Saturation ................................................ 76
SatSeconds Alarm Management ........................................................................ 76
Reads Through Motion ....................................................................................... 77
OXIMAX Technology .......................................................................................... 77
Block Diagram Theory ........................................................................................ 77
SpO2 Printed Circuit Board ................................................................... 78
Patient Interface ........................................................................78
Power Supply ............................................................................79
Power Monitoring ......................................................................79
User Interface Printed Circuit Board ...................................................... 79
Keypad ......................................................................................80
Backlight ...................................................................................80
CPU and Flash .........................................................................80
Real-Time Clock .......................................................................80
Audio .........................................................................................80
LCD ...........................................................................................81
IrDA ...........................................................................................81
Содержание Oximax NPB-40
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