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Revision A PRO 100-400 V2 Patient Monitor Service Manual 3-5
2009829-001
Theory of Operation: 3.1 INTRODUCTION
3.1 INTRODUCTION
This section provides overall theory of operation and functional
description of the DINAMAP PRO Monitor (hereinafter referred to as
PRO Monitor). The PRO Monitor comes in four different models, as
follows:
PRO Monitor 100 - It has the capability of monitoring Blood Pressure
(BP) and Pulse
PRO Monitor 200 - It has the capability of monitoring BP, Pulse, and
Temperature
PRO Monitor 300 - It has the capability of monitoring Blood Pressure
(BP), Pulse, and SPO2
PRO Monitor 400 - It has the capability of monitoring BP, Pulse,
Temperature, and SPO2
3.2 OVERALL PRINCIPLES OF OPERATION
The following paragraphs provide a general system interface
relationship. The general block diagram is located in Figure 3-1.
The PRO Monitor is a portable unit that receives input power from an
external AC source, external DC source, or internal rechargeable
battery.
When the ON/OFF button is pressed, the Main Board is brought out
of a sleep mode and turns on the power regulators. The power
regulators provide conditioned power from one of the input power
sources: AC Mains, External DC, or the Lead Acid Battery. The
regulated power is routed to the Printed Wiring Assemblies (PWAs)
via the cable harnesses. Once the Pro Monitor is energized, a self-
test is performed. The self-test automatically tests the main functions
of the PRO Monitor. Failure of the self-test will set the PRO Monitor
into a fail-safe mode with an audio alarm.
Under normal operating condition, the PRO Monitor is ready to record
the patient vital signs using three external attachments: the
temperature probe, SPO2 sensor, and cuff. Interface with a central
station or other device is accomplished through the host
communication port on the back of the Pro Monitor.
3.2.1 Cuff Blood Pressure (BP) and Pulse
When the cuff and hose are attached to the Pro Monitor and Non-
Invasive Blood Pressure (NIBP) determination is initiated, the pump
inflates the cuff. Pressure transducers PT1 and PT2 monitor pressure
information. The pneumatic manifold has two valves, which are used
to deflate the cuff. Valve control is through the Main Board. Once
determinations are made for the systolic BP and diastolic BP, the
- PRO Series 100 - 400 V2 1
- Service Manual 1
- PRO 100-400 V2 3
- Patient Monitor 3
- PRO 100-400 Patient Monitor 5
- Table of Contents: 10
- 1 Introduction 11
- For your notes 12
- Table of Contents 13
- 2009829-001 14
- Section 1. INTRODUCTION 15
- 1.2. ADDENDA 16
- 1.4. SERVICE POLICY 16
- 1.5. EXTENDED WARRANTIES 16
- 1.6. ASSISTANCE 16
- 1.7. SERVICE 17
- 1.9. WARNINGS AND PRECAUTIONS 18
- 1.10. SYMBOL DEFINITIONS 19
- 2 Product Description 23
- Product Description: 26
- 2.1. INTRODUCTION 27
- 2.2. PRODUCT CONFIGURATIONS 27
- 2.5. COMPATIBLE PARTS 32
- 2.6. SPECIFICATIONS 34
- 2.6.3. Mechanical 35
- 2.6.4. BP 35
- 2.6.5. TURBO TEMP 36
- 2.6.6. SpO 36
- Nellcor Patents 37
- Masimo Patents 39
- 3 Theory of Operation 41
- Theory of Operation: 44
- 3.1 INTRODUCTION 45
- 3.2.4 Host Communication Port 46
- 3.3 FUNCTIONAL DESCRIPTION 47
- 3.3.4 SPO2 PWA (Optional) 48
- 3.3.6 LCD Assembly 49
- 3.3.7 Printer PWA w/Printer 49
- 4 Calibration & 53
- 4.1 INTRODUCTION 57
- 4.2. FUSES 57
- 4.3. PERIODIC MAINTENANCE 57
- 4.3.2. Power Up Checks 58
- 4.3.5. Checking Calibration 59
- 4.4 Clinician Mode 60
- 4.4.3. Clinician More... Menu 62
- 4.5. SERVICE MODE 63
- 4.5.2 Service Mode Main Menu 64
- 4.5.3. NIBP Menu 65
- 4.5.4. System Menu 66
- 4.6.1. SpO 68
- Checks (PRO 300 & 400) 68
- 4.6.2. Leak Test 69
- 4.6.3. NIBP Calibration Check 70
- 4.6.7. Printer Test 73
- plug with the 77
- 5 Schematics & Drawings 79
- Field Replaceable Parts 82
- Description Part Number 85
- PRO 100-400 Assembly Drawing 87
- Front Case Drawing 87
- Shown with Temp Assembly 87
- Page 1 of 3 87
- Page 2 of 3 88
- Shown with Masimo Board 89
- Page 3 of 3 89
- Rear Case Drawing 90
- Page 1 of 4 90
- Page 2 of 4 91
- Pnuematic Assembly Drawing 92
- Page 3 of 4 92
- Pneumatic Hose Routing 93
- Page 4 of 4 93
- Sheet 1 of 9 94
- Sheet 2 of 9 95
- Sheet 3 of 9 96
- Sheet 4 of 9 97
- Sheet 5 of 9 98
- Sheet 6 of 9 99
- Main Board Assembly 100
- P/N: 2008238-001 C 100
- Sheet 7 of 9 100
- ISOLATED POWER SUPPLY 101
- HOST INTERFACE CONNECTOR 102
- SPO2 PATIENT CONNECTOR 102
- SPO2 MODULE CONNECTOR 102
- 2009829-001 A 104
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