Smiths Medical BCI 3304, Service Manual

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Chapter 1: Introduction
3304 Service Manual 1-1
About this Manual
This manual contains circuit descriptions, voltage and waveform test
points, detailed parts lists, and circuit diagrams for the oximeter. It is
intended for persons trained in service, maintenance, and repair of
modern medical equipment. Thorough knowledge of this equipment’s
operation is required before attempting to repair this equipment.
The remainder of the manual is divided into these sections:
• Oximeter Circuit Description. Contains circuit descriptions,
voltage test points, and waveform test points for the oximeter
and display board.
• Parts Lists & Circuit Diagrams . Contains detailed parts lists
and circuit diagrams for the oximeter.
Symbol Definitions
SYMBOL DeFInITIOn
6
Caution: Federal (U.S.A.) law restricts this device to sale by or on
the order of a physician.
p Type CF equipment
S
Type B Equipment
g
Attention, see instructions for use.
7
Refer servicing to qualified service personnel.
7
Do not reuse. One use on one patient.
%SpO2
Percent Oxygen Saturation
p
Pulse Rate LED (beats per minute)
L
On/Off
K
Pulse Volume
I
Alarm Volume
Chapter 1: Introduction