Service manual
PREFACE
2 9650-0801-01 Rev. A
Chapter 6—Functional Description provides technical descriptions for the Propaq MD major 
subassembly modules.
Appendix A—Propaq MD Electrical Hardware Interconnect Diagram and Propaq MD Signal 
and Power Interconnect Schematic.
Appendix B—Contains simulators and settings that may be used to assess the performance of 
the NIBP module.
Safety Considerations
The following section describes general warnings and safety considerations for operators and 
patients. Service technicians should review the safety considerations prior to servicing any 
equipment and read the manual carefully before attempting to disassemble the unit. Only 
qualified personnel should service the Propaq MD unit.
Federal (U.S.A.) law restricts this unit for use by or on the order of a physician.
Safety and effectiveness data submitted by ZOLL Medical Corporation to the Food and Drug 
Administration (FDA) under section 510(K) of the Medical Device Act to obtain approval to 
market is based upon the use of ZOLL accessories such as disposable electrodes, patient cables 
and batteries. The use of external pacing/defibrillation electrodes and adapter units from 
sources other than ZOLL is not recommended. ZOLL makes no representations or warranties 
regarding the performance or effectiveness of its products when used in conjunction with 
pacing/defibrillation electrodes and adapter units from other sources. If unit failure is 
attributable to pacing/defibrillation electrodes or adapter units not manufactured by ZOLL, this 
may void ZOLL's warranty.
Only qualified personnel should disassemble the Propaq MD unit.
WARNING!  This unit can generate up to 2775 volts with sufficient current to cause lethal shocks. 
All persons near the equipment must be warned to “STAND CLEAR” prior to discharging the 
defibrillator.
Do not discharge the unit’s internal defibrillator energy more than three times in one minute or 
damage to the unit may result.
Do not discharge a battery pack except in a ZOLL SurePower
TM
 Charging Station.
Do not use the Propaq MD in the presence of flammable agents (such as gasoline), oxygen-rich 
atmospheres, or flammable anesthetics. Using the unit near the site of a gasoline spill may 
cause an explosion.
Do not use the unit near or within puddles of water.
Additional Reference Material 
In addition to this guide, there is a Propaq MD Operator’s Guide which is a comprehensive 
reference work that describes all the user tasks needed to operate the Propaq MD. 










