Philips HEARTSTART XLT Service Manual page 13

Mechanical Assemblies ........................................................................................................ 5-9
Manual Door ................................................................................................................... 5-9
Manual Keypad Assembly ............................................................................................ 5-10
Other Mechanical Assemblies ...................................................................................... 5-12
Connectors .................................................................................................................... 5-12
Individual Mechanical Parts ......................................................................................... 5-13
Labels .................................................................................................................................. 5-14
Case Label Sets ............................................................................................................. 5-14
Other Labels .................................................................................................................. 5-15
Supplies & Accessories ...................................................................................................... 5-16
Key Components ................................................................................................................. 5-20
Theory of Operation
Overview ............................................................................................................................... 6-1
PCA Descriptions ................................................................................................................. 6-2
Control PCA ................................................................................................................... 6-2
Interface PCA ................................................................................................................. 6-3
Power PCA ..................................................................................................................... 6-3
SpO2 PCA ....................................................................................................................... 6-3
Battery PCA .................................................................................................................... 6-4
Battery ............................................................................................................................. 6-4
Printer .............................................................................................................................. 6-4
System Level Interconnections ............................................................................................. 6-5
System Functional Descriptions ........................................................................................... 6-6
Signal and Data Flow ...................................................................................................... 6-6
ECG Monitoring Functions ............................................................................................ 6-7
ECG - Pads ................................................................................................................ 6-7
ECG - 3/5-lead cable ................................................................................................. 6-7
Patient impedance functions ..................................................................................... 6-8
SpO2 Monitoring Functions ........................................................................................... 6-8
Defibrillation Functions .................................................................................................. 6-9
Charging .................................................................................................................... 6-9
Delivering a shock .................................................................................................... 6-9
Delivering synchronized cardioversion .................................................................. 6-10
Pacing Functions ........................................................................................................... 6-11
Audio Functions ............................................................................................................ 6-12
Display Functions ......................................................................................................... 6-12
Contrast - manual control ....................................................................................... 6-12
Contrast - automatic control ................................................................................... 6-12
Backlight ................................................................................................................. 6-12
Indicator Functions ....................................................................................................... 6-13
Key Functions ............................................................................................................... 6-14
Main Keys ............................................................................................................... 6-14
Other Keys .............................................................................................................. 6-14
Contents
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