GE S5 Service Manual

Table of figures
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Table of figures 
Figure 1 Compact Anesthesia Monitor ................................................................................................................ 1
Figure 2 Basic structure of Display Unit .............................................................................................................. 4
Figure 3 Central Processing Board Block Diagram...

Datex-Ohmeda S/5 Compact Anesthesia and Compact Critical Care Monitors
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Document no. M1031520-02                                                                    

Display Unit for F-CM(C)1 (Rev. 04), F-CM(C)REC1 (Rev. 01)
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Introduction
This section provides information about the maintenance and service of the following products:
•S/5™ Compact Anesthesia Monitor F-CM1 Display Unit and S/5™ Compact Critical Care 
Monitor F-CMC1, Display Unit (including UPI function, LCD display, Command board function, 
Display Controller function, NET function, MEM function, DIS function, Display Unit power 
supply...

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Document no. M1031520-02                                                                           
1 Specifications
1.1 S/5 Compact Monitor, F-CM1, F-CMREC1, F-CMC1, F-CMCREC1; 
Display Unit
Display Unit Dimensions, 
D x W x H 55 x 335 x 270 mm (2.2 x 13.2 x 10.6 in)
Weight 

Display Unit for F-CM(C)1 (Rev. 04), F-CM(C)REC1 (Rev. 01)
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Data transmission IEEE 802.11b compliant, 
Direct Sequence Spread Spectrum (DSSS)
Roaming Automatic roaming between the Datex-Ohmeda Centrals
Access Points
Certificates Wi-Fi certified
Encryption Wired Equivalent Privacy (WEP) 40 and 128 bit
WLAN adapter PC card type with antenna
1.6 Recorder option
Power consumption 3 W
Printer type Thermal array
Print resolution Vertical 8...

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Document no. M1031520-02                                                                           
2 Display Unit functional description
The Compact Monitor Display Unit includes the following parts:
•Central Processing Board (CPB): includes Display Controller, UPI, CPU and optionally Network 
and MemCard functions
•Color LCD display and its backlight inverter 
•Connector board
•Command board 
•Display Unit DC/DC power supply
•Fan...

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•2 serial channel signals in RS232-level
•Programmable alarm sound generator
•PC-card slot for software updates
2.1.1 Standby and Display Unit power down
When the monitor is turned to standby, NMI-interrupt is generated by the control logic. The interrupt 
signal in the Central Processing Board means that all the outputs from the CPB are switched off (i.e. 
display, alarm leds,...

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Document no. M1031520-02                                                                           
Figure 3 Central Processing Board Block Diagram 
2.1.3 SRAM MT48T37V 
The lithium battery back-up is a 32 Kbytes static RAM with a real-time clock.
CAUTION The IC contains a lithium battery. Discard the battery according to local 
regulations.
486
Pro
cessor
PC
MCIASe
rialEth
ernetSo
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I
Chipse
t
Displ
ay
Co
ntroller486
 LOCAL...

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2.2 UPI section
The UPI functions as a general I/O section. It performs I/O duties assigned to it by the CPU. The main 
processor and the processor on the UPI communicate through a dual-port memory (shared RAM) 
which is located on the UPI section.
2.2.1 Functional Blocks
The UPI section contains the CPU bus interface, a processor, program and dual-port memories, I/O 
block, and...

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Document no. M1031520-02                                                                           
2.3 Software License, L-CANE05, L-CANE05A, L-CICU05, L-CICU05A
L-CICU05/L-CICU05A software is developed for critical care monitoring and L-CANE05/L-CANE05A 
is for anesthesia monitoring. Anesthesia record keeping capability is included in the anesthesia 
monitor software L-CANE05/L-CANE05A as standard. The software L-CANE05A and...