Spacelabs Healthcare Ultraview 90341 Manuals

Spacelabs Healthcare Ultraview 90341 Manuals

Manuals and User Guides for Spacelabs Healthcare Ultraview 90341. We have 1 Spacelabs Healthcare Ultraview 90341 manual available for free PDF download: Service Manual

Spacelabs Healthcare Ultraview 90341 Service Manual

Spacelabs Healthcare Ultraview 90341 Service Manual (212 pages)

Brand: Spacelabs Healthcare | Category: Medical Equipment | Size: 8 MB

Table of Contents

Table of Contents
3
Introduction

9
Setup

27
Theory

99
- Patient-Worn Transmitters
  99
- Transmitter ECG PCBA Block Diagrams (90341, 90343, 90347, 91341, 91343, and 91347)
  100
- Transmitter ECG PCBA Description
  101
  - Input Protection
    101
  - Lead Drive Switches
    101
  - Input Buffers
    101
  - Lead off Comparators
    102
  - Differential Amplifiers
    102
  - Pacer Blanking Switches
    102
  - Bessel Filter
    102
  - Final ECG Amplifiers
    102
  - DC Restoration Comparators
    102
  - Pacer Detection and Pacer Flag Generator
    102
  - Automatic Lead Switching PAL
    102
- Transmitter RF PCBA Block Diagrams (90341, 90343, 90347)
  103
- Transmitter RF PCBA Description (90341, 90343, 90347)
  106
  - Status Mux
    106
  - ECG Mux
    106
  - Pwm Pal
    106
  - PWM Ramp Generator
    106
  - PWM Comparator
    106
  - PWM Data Formatter
    106
  - PWM Filter
    106
  - Voltage Controlled Crystal Oscillator
    107
  - First and Second Frequency Doublers
    107
- Transmitter RF PCBA Block Diagrams (91341, 91343, 91347)
  107
- Transmitter RF PCBA Description (91341/91343/91347)
  109
  - Rf Pcba
    109
  - Microcontroller
    112
  - Configuration SIP Switches
    112
- Transmitter Spo 2 PCBA Description (90343/91343 Only)
  114
  - Definitions and Acronyms
    114
  - Electrical Requirements
    114
  - Pulse Oximetry Sensor Drive
    115
  - NIBP Interface (Spo 2 to ABP)
    115
  - Patient Isolation
    115
  - Functional Descriptions
    115
- Receiver Module
  119
- Receiver Signal Flow
  120
- CPU (80C186) PCBA Description
  121
  - Watchdog/Power Reset
    121
  - SDLC Mainframe Interface
    121
  - RUPI/80C186 Interface
    122
  - ECG Data Interface
    122
  - High-Level Outputs and Defibrillator Sync Input
    122
  - Configuration EEPROM
    123
  - Front Panel LED Indicators
    123
- Power Supply PCBA
  124
- Antenna PCBA
  124
- Rf Pcba
  124
- Digital PCBA
  124
- Modular Receiver Housing
  125
- RF Signals
  125
  - 90479-A Modular Receiver Housing
    125
  - 90479-B/C Modular Receiver Housing
    126
- Analog Output
  126
- Power Supply
  126
- Power Supply Functional Description
  127
  - AC Input Module
    127
  - AC Input Rectifier and Filter
    127
  - 100 Khz DC-To-DC
    128
  - Switcher Feedback Power
    128
  - Gate Drive Transformer
    128
  - Main Isolation Transformer
    128
  - Secondary Side
    128
  - Battery Disconnect
    128
  - Over/Under Voltage Shutdown
    129
  - DC On/Off
    129
  - +5 V, +12 V, and -12 V DC-To-DC Converter
    129
  - LED/AC Operation
    129
- Antenna Systems
  129
- Antenna Distance and Power Loss
  129
  - Path Loss
    130
- Diversity Antenna System
  130
Maintenance

133
- Overview
  133
- Cleaning/Disinfecting
  134
- Physical Inspection
  135
- Transmitter
  135
- Receivers
  135
- Housing
  135
- Antenna System Inspection
  136
- Preventive Maintenance
  136
- Antenna System
  136
  - Test Equipment Required
    136
  - Verification
    136
- Safety Verification
  137
- Current Leakage Measurements (90479-A/B/C Only)
  138
- Battery Backup Test
  138
  - To Conduct the Module Housing Battery Backup Test
    138
- Battery Disposal
  139
- Disassembly/Assembly of the Receiver Module
  139
- Disassembling the Receiver Module
  140
- Assembling the Receiver Module
  142
- Disassembling/Assembling the Module Housing
  142
  - Battery Replacement
    142
    
    To Replace the Internal Power Backup Battery
    142
  - Top Cover Removal
    143
    
    To Remove the Module Housing Top Cover
    143
  - Power Supply Removal
    143
    
    To Remove the Power Supply from the Module Housing
    143
  - RF Amplifier Removal
    144
    
    To Remove the RF Amplifier PCBA
    144
- Disassembling the 90347 and 90341 Transmitters
  144
  - To Remove the ECG and Transmitter Pcbas
    144
- Assembling the 90347 and 90341 Transmitters
  146
  - To Replace the ECG and Transmitter Pcbas
    146
- Disassembling the 90343 Transmitter
  146
  - To Remove the ECG, Transmitter, and Spo Pcbas
    148
- Assembling the 90343 Transmitter
  148
  - To Replace the ECG, Transmitter, and Spo Pcbas
    148
- ECG Performance Test
  149
- Spo Performance Test
  150
- Disassembling and Reassembling the 91341/91347 Transmitter
  152
- Disassembling and Reassembling the 91343 Transmitter
  154
- Transmitter Field Alignment Procedures
  156
- Definitions
  156
- Test Equipment Required
  157
- Initial Equipment Setup
  157
- Equipment Setup
  157
- Power-Regulated Current Drain Test
  159
- First Current Drain Test
  159
- Crystal Oscillator Test
  159
- Power Output Adjustment
  160
- Assigned Frequency Alignment
  160
- Final Current Drain Test
  161
- Transmitter Alignment Procedures
  161
- Power Output Test and Center Frequency Adjustment for Models 90341, 90343, and 90347
  161
  - Power Output Test
    161
  - Center Frequency Adjustment
    162
- Output Power Test and Center Frequency Tests for Models 91341-09, 91343-09, and 91347-09
  165
  - Equipment Required
    166
  - Output Test
    167
    
    To Verify Transmitter Power Ouput
    167
  - Verify Center Frequency, Model 91341-09
    168
    
    To Verify Transmitter Center Frequency
    168
  - Verify Center Frequency, Models 91343-09 and 91347-09
    168
- Field Current Drain Test
  169
Troubleshooting

173
- Diagnostics
  173
- Receiver Self-Test
  173
- Receiver Leds
  173
- Patient-Worn Transmitter
  175
- Touchscreen Messages and Troubleshooting Guide
  175
- ECG Alarm Message Summary
  176
  - Check XX
    176
  - Abnormal/Minute Alarm
    176
  - Asystole
    176
  - Couplet Alarm
    176
  - Ecg Alarms off
    176
  - Ecg Alarms Suspended
    176
  - Ecg Processing Suspended
    177
  - Ecg Voltage too Low
    177
  - Hi Rate Alarm
    177
  - In Learn
    177
  - Chan 1 & 2 Leads off
    177
  - Chan 1 Leads off
    177
  - Chan 2 Leads off
    177
  - Lo Rate Alarm
    177
  - New Dominant
    178
  - Noisy Signal
    178
  - Run Alarm
    178
  - Fib
    178
- Spo 2 Alarm Message Summary
  178
- NIBP Alarm Message Summary
  180
  - NIBP UNAVAILABLE (XX)
    181
  - NIBP READING FAILURE (XX)
    181
  - Nibp Air Leak
    181
  - Nibp Loose or no Cuff
    181
  - Nibp Reading Cancelled
    181
  - Nibp Low Battery
    181
  - Nibp Kinked Hose
    181
  - NIBP EVENT CODE (XX)
    181
- Telemetry Radio Frequency Problem Solving
  182
- Frequent Squelch
  182
  - 90479-A Receiver Housing
    182
  - 90479-B/C Receiver Housing
    183
  - Signal Interference
    183
  - Reducing Squelch
    183
- Use of RF Performance Statistics
  184
  - Squelch Statistics Menu
    185
- Receiver Does Not Display an ECG Trace
  186
- Specific Receiver will Not Sign on to Monitor
  186
- No Receiver Signs on to Monitor
  187
- Power Supply Voltage Measurements (90479-A/B/C)
  188
Parts

189
- Overview
  189
- Assembly Drawings
  189
A Appendix A - Electromagnetic Compatibility

191
- Electromagnetic Emissions
  191
- Electromagnetic Immunity
  192
- Frequency Separation Distances
  193
- Left Ventricular Assist Device (LVAD
  194
- Command Module (91496
  194
  - To Turn Pacer Detection off
    194
- Telemetry
  194
Appendix B - Symbols

195

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