Mediana YM6000, Service Manual

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System Processing Description
System Overview
The YM6000 monitor is a multi ‐ function monitor for use on adult, pediatric and
neonatal patients; ECG, heart rate, non invasive blood pressures, arterial oxygen
saturation, pulse rate, respiration rate and temperature.
In addition to monitoring and displaying the status of these physiological parameters,
the instrument performs various microprocessor ‐ programmed analytical functions;
z
Creating both visual and audible alarm signals when settable limits are violated;
z
Creating and displaying warning/error messages when conditions are detected that
would degrade or prevent valid measurements;
z
Creating and displaying graphical or tabular trend data;
z
Providing input to an optional recorder for printout of current or tabular trend
data.
The monitor is essentially a battery ‐ powered instrument. An internal charging unit is
designed to accept only an AC line voltage.
System Block Diagram
POWER UNIT
(SMPS, DC/DC)
GUI UNIT
USER CONTROL
UNIT
COMMUNICATION
UNIT
NIBP UNIT
PRINTER
UNIT
SOUND UNIT
PROCESSOR UNIT
ANALOG CONTROL UNIT
ECG/RESPIRA
TION UNIT
TEMPERATUR
E UNIT
IBP UNIT
SpO2 UNIT
IOP UNIT
S1 Region
I1 Region I2 Region
EtCO2 UNIT
Figure 28. System Block Diagram