Hewlett Packard M1790A Cardiograph Manuals

Manuals and User Guides for Hewlett Packard M1790A Cardiograph. We have 1 Hewlett Packard M1790A Cardiograph manual available for free PDF download: Service Manual

HP M1790A Service Manual

HP M1790A Service Manual (277 pages)

Cardiographs, Mobile Cart, Telecommunications Package

Brand: HP | Category: Medical Equipment | Size: 11.53 MB

Table of Contents

Table of Contents
7
Pagewriters with Serial Number Prefix Prior to 3208A
12
1 Introduction

18
- Pagewriter XL Cardiographs
  18
- M1700A Pagewriter Xli Cardiograph with Preview Display
  19
  - M1705A Cart
    20
  - M1706A/B Telecommunications Package
    21
  - A.02.XX Software
    21
- Inquiries
  21
- Specification Data
  22
- Patient Module Specifications
  22
- SAECG Patient Module Specifications
  23
- Power Supply and Battery Specifications
  24
- Options and Accessories
  26
  - Pagewriter Xli, Xls and Xle Cardiographs
    26
    
    Country Options
    26
    
    Delete Options
    26
    
    Cable Options
    26
    
    Supplies/Accessories Options
    27
    
    Substitute Options
    27
    
    Documentation Options
    27
    
    Standard Accessories Supplied
    27
  - M1703A Pagewriter Xli Upgrade Kits
    28
    
    Options
    28
  - M1704A Pagewriter Xls Upgrade Kits
    28
  - M1706A Telecommunications Package
    28
    
    Options
    29
  - M1753A Pagewriter Xle Upgrade Kit
    29
    
    System
    29
    
    Documentation Options
    29
  - M1755A Pagewriter Xli Upgrade Kit
    29
  - M1756A Pagewriter Xli Direct Digital ECG Fax Modems
    30
    
    Options
    30
  - M1788A Extra Patient Module
    30
    
    Substitute Options
    30
  - M1790A Pagewriter Xli Vectorcardiography
    31
  - Country Option Configurations
    31
2 Installation and Configuration

32
- Installation
  32
  - Installing the M1756A Fax Modem
    33
- Printing an ECG on an HP Laserjet Printer
  35
- Setting up the Laserjet Printer
  36
- Configuration
  48
  - Configuring the M1702A
    49
  - Selecting Configuration Parameters
    50
  - Global Configuration
    51
    
    Interpretation Parameters
    55
    
    Power-On Application (M1755A A.02.X); and Higher Software Only)
    55
    
    Line Frequency
    55
    
    Custom Lead Groups
    56
    
    Autocopy
    56
    
    ECG Management Parameters
    57
    
    Battery Timeout
    57
    
    Password
    57
  - ID Configuration
    58
  - Transmit Configuration
    59
    
    Transmit
    59
    
    Entering the Phone Number
    60
    
    Receive
    61
    
    Autodial
    61
  - Configuration Files
    62
    
    Store
    62
  - Laserjet Printer Configuration
    62
    
    Print
    63
3 Operation

64
- The Keyboard and Front Panel
  65
- Choosing a Report Format
  67
- An Auto 3X4 ECG (3X4)
  69
- An Auto 3X4 ECG with Three Rhythm Strips (3X4, 3R)
  70
- A Manual 6-Lead ECG
  71
- An SAECG Report
  72
- Main Functions
  73
- Recording an ECG
  79
  - Using the Patient Module Start Button
    80
- Preview Plus (A.02.XX and Higher Software Only)
  80
  - Using Preview Plus
    80
4 Performance Verification and Maintenance Introduction

82
- Performance Verification
  82
  - Visual Inspection
    82
  - Extended Self-Test
    83
    
    Patient Module and Cable Test
    84
    
    CPU Assembly Test
    84
    
    Printer Test
    85
    
    Disk Drive Test (M1700A and M1701A Only)
    85
    
    Preview Display Test (M1700A Only)
    86
    
    Keyboard Display Test
    87
    
    Modem Test (M1700A Only)
    87
    
    All Tests
    88
    
    Printing the Error Log
    88
  - ECG Simulation
    89
- Preventive Maintenance
  90
  - Care and Cleaning
    91
    
    Cleaning the Cardiograph and Patient Module
    91
    
    Cleaning the Keyboard
    91
    
    Cleaning the Printhead and Paper Sensor
    92
    
    Maintaining the Flexible Disk Drive
    93
    
    Cleaning the Electrodes, Leadwires, and Patient Data Cable
    94
- Safety Tests
  94
- Pagewriter XL Performance Verification Checklist
  95
  - Visual Inspection
    95
  - Extended Self-Test
    95
  - ECG Simulation
    96
  - Comments
    96
5 Theory of Operation

97
- Operational Overview
  97
  - ECG Data Path
    97
    
    Power-On
    98
    
    Power-Off
    98
- Circuit Descriptions
  100
- The Standard Patient Module
  102
  - Patient Module Block Diagram
    103
- CPU Assembly
  104
  - Cpu
    104
  - System Memory
    104
  - CPU Assembly Block Diagram
    105
  - Rom
    106
  - I/O Control
    108
    
    The FGA
    108
  - I/O Control Block Diagram
    109
    
    Serial Communications
    110
  - Digital Signal Processor
    110
  - Serial Communications Circuitry
    110
  - System Expansion Connector
    111
  - Disk Drive (M1700A and M1701A Only)
    111
- Power Supply
  112
  - VMAIN and VIN
    112
  - Battery Charger and Battery Sensor
    112
    
    Battery Operation and Condition
    114
  - Volt Regulator
    115
  - Overvoltage/Undervoltage Sensor
    115
  - Printer Switch
    116
  - Battery Switch
    116
  - ACON Detector
    116
  - Backup Supply and Low Battery Disconnect
    117
  - To Backup Switchover
    117
  - Patient Module Voltage Regulator
    117
- The Keyboard and Keyboard Display
  118
- Printer
  118
  - Printer Gate Array
    118
  - Printer RAM
    118
  - Motor Driver
    118
  - ADC (Analog-To-Digital Converter)
    119
  - Thermal Printhead
    119
- The Preview Display
  120
  - Preview Logic Board
    120
- Preview Logic Board Block Diagram
  121
  - Preview Display Power Supply Board
    122
    
    VLCD Supply
    123
    
    VCFL Supply
    123
  - Preview Screen
    123
- Preview Display Power Supply Block Diagram
  123
6 Troubleshooting

124
- Introduction
  124
- Maintenance Philosophy
  124
- Test Equipment
  124
- The Error Log
  125
  - Clearing the Log
    125
  - Errors
    126
- Using Extended Self-Test in Troubleshooting
  127
- Troubleshooting Tables
  128
- Power-On Errors
  131
- Power Supply and Battery
  132
- Patient Module and Patient Data Cable
  135
- Preview Display and Logic (M1700A)
  142
- Transmit and Modem
  144
  - Testing the Power Supply
    145
- Voltage Test Locations
  147
7 Removal and Replacement

148
8 Parts Lists

180
- Introduction
  180
- Ordering Information
  180
- Calling for Assistance
  180
  - United States of America
    180
  - Canada
    180
  - Patient Module Diagram
    181
  - Fastener List
    193
  - Preview Display Assembly Diagram
    196
  - Cart Exploded Diagram
    198
  - Cart Parts List
    199
- Direct Connect Cable Parts List
  203
- Cabling for Hayes Modem and Direct Connect
  205
- Hayes Modem and Direct Connect Cables Parts List
  205
- CPU Assembly Connectors
  207
- Preview Display Connectors
  217
- Introduction
  219
- Installation and Configuration
  220
  - Connecting the Patient Module
    220
  - Installing the SAECG Software
    221
  - SAECG Configuration (A.02.XX and Higher Software Only)
    222
    
    Acquisition Fields
    222
    
    Measurement Fields
    223
- Operation
  224
  - SAECG (M1754A Only)
    228
    
    Editing and Printing a Stored SAECG
    228
- Performance Verification and Maintenance
  229
  - Extended Self-Test
    229
    
    Patient Module and Cable Test
    230
- Theory of Operation
  231
  - The SAECG Patient Module
    231
- Troubleshooting
  233
- Parts List
  234
- Introduction
  235
- Installation and Configuration
  236
- Operation
  237
  - Transmitting Ecgs by Fax
    237
    
    Transmitting more than One ECG
    238
  - Receiving Ecgs
    238
- Performance Verification and Maintenance
  239
  - Extended Self-Test
    239
    
    Fax Modem Test (M1700A Only
    240
- Troubleshooting
  241
- Parts List
  242
- Installation and Configuration
  246
  - Setting up the Patient Module
    246
  - Software Installation
    247
  - VCG Configuration (A.03.XX Software Only)
    247
  - Disabling VCG Reports
    248
- Operation
  248
  - Recording a VCG
    248
  - Printing a Stored VCG
    249
  - The VCG Report
    250
  - VCG Report Formats
    251
    
    Formats
    251
- Troubleshooting
  254
- Parts List
  256
- Index
  257

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