Smiths Medical BCI 3304, Service Manual

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Table of Contents
3304 Service Manual i
Revision History ................................................................v
Warranty & Service Information .....................................vii
Proprietary Notice ............................................................................................... vii
Warranty ................................................................................................................. vii
Limited Warranty ......................................................................................... vii
Disclaimer of Warranties .......................................................................... viii
Conditions of Warranty ............................................................................ viii
Limitation of Remedies ............................................................................ viii
Warranty Procedure .....................................................................................ix
CE Notice ..................................................................................................................ix
Chapter 1: Introduction ................................................ 1-1
About this Manual ..............................................................................................1-1
Symbol Definitions .............................................................................................1-1
Warnings ................................................................................................................1-3
Cautions .................................................................................................................1-8
Notes .......................................................................................................................1-8
Chapter 2: Oximeter Circuit Description ..................... 2-1
Functional Structure ..........................................................................................2-1
Battery Charger ...................................................................................................2-1
General Description ..................................................................................2-1
Oximeter On/Off Control .................................................................................2-2
System Power Supply ........................................................................................2-2
Microprocessor Circuit ......................................................................................2-2
Reset Circuit .................................................................................................2-3
Memory and I/O Decoding ....................................................................2-3
Dual microprocessor operation ............................................................2-3
Interface Circuit ...................................................................................................2-4
Addressable Latch and Speaker Output ............................................2-4
Table of Contents