Table of Contents
ii Advisor
®
Service Manual
Chapter 3: Block Level Description ..................................................................................... 3-1
Advisor® Vital Signs Monitor Product Description ....................................................................................................................3-1
AC Power Entry Board .........................................................................................................................................................................3-1
Universal AC to DC Power Supply Assembly ..............................................................................................................................3-2
DC Power Interconnect Board .........................................................................................................................................................3-2
Battery Charger Board (Rechargeable Battery Option) ..........................................................................................................3-2
SpO
2
(Pulse Oximetry) Board ............................................................................................................................................................3-2
Non-Invasive Blood Pressure (NIBP) Assembly ..........................................................................................................................3-3
LCD Backlight Inverter Board ...........................................................................................................................................................3-3
Printer Adapter Board (Printer Option) .........................................................................................................................................3-3
CO
2
Module (Optional) .......................................................................................................................................................................3-3
Main Board ..............................................................................................................................................................................................3-4
Main Board - Microprocessor ...................................................................................................................................................3-4
Main Board - Reset System .......................................................................................................................................................3-4
Main Board - Clocks .....................................................................................................................................................................3-4
Main Board - System Programmable Logic Device (PLD) ..............................................................................................3-4
Main Board - Memory .................................................................................................................................................................3-5
Main Board - Video Generation ...............................................................................................................................................3-5
Main Board - Audio Generation ..............................................................................................................................................3-5
Main Board - Logic Power and Patient Isolation Power .................................................................................................3-5
Main Board - Thermal Printer Interface (Optional)...........................................................................................................3-5
Main Board - Communications Port (Optional) and Smart Media Interface ..........................................................3-6
Main Board - Front Panel Interface ........................................................................................................................................3-6
Main Board - Critical Failure Alarm System .........................................................................................................................3-6
Main Board - Digital Signal Processor (Isolated Side) .....................................................................................................3-7
Main Board - Patient Signal Acquisition (Isolated Side) .................................................................................................3-7
Main Board - ECG (Isolated Side) ............................................................................................................................................3-7
Main Daughter Board - Impedance Respiration Option (Isolated Side) ..................................................................3-8
Main Daughter Board - IBP & Temperature Option (Isolated Side) ............................................................................3-8
Main Board - Isolated Power Supply .....................................................................................................................................3-9
Main Board - Isolated Communications ..............................................................................................................................3-9
Chapter 4: Diagrams ............................................................................................................. 4-1
Chapter 5: ECG Technical Reference .................................................................................... 5-1
Respiration Leado Sensing and Active Noise Suppression ................................................................................................5-1
Tall T-Wave Rejection Capability......................................................................................................................................................5-1
Heart Rate Averaging Method and Display Update Rate.......................................................................................................5-1
Heart Rate Meter Accuracy and Response to Irregular Rhythm ..........................................................................................5-1
Response Time of Heart Rate Meter to Change in Heart Rate .............................................................................................5-1
Time to Alarm for Tachycardia .........................................................................................................................................................5-1
Display Aspect Ratio ............................................................................................................................................................................5-2
Pacemaker Pulse Rejection Capability ..........................................................................................................................................5-2
Audible Alarms ......................................................................................................................................................................................5-2
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