GE Corometrics 126 Fetal Monitor Manuals

Manuals and User Guides for GE Corometrics 126 Fetal Monitor. We have 1 GE Corometrics 126 Fetal Monitor manual available for free PDF download: Service Manual

GE Corometrics 126 Service Manual (440 pages)

Corometrics 120 series

Brand: GE | Category: Medical Equipment | Size: 11 MB

Table of Contents
7
Safety

21
- General Information
  
  22
  - General Use
    22
  - Responsibility of the Manufacturer
    22
  - Responsibility of the User
    22
- Definitions of Terminology
  
  23
- Monitor Contraindications, Warnings, and Precautions
  
  24
  - Warnings
    24
  - Cautions
    27
  - Electromagnetic Interference
    28
- Equipment Symbols
  
  29
Introduction

31
- Indications for Use
  
  32
  - Fetal Monitoring
    32
  - Maternal Monitoring
    32
    
    Blood Pressure
    32
    
    Heart/Pulse Rate
    32
    
    Pulse Oximetry
    32
- Series Overview
  
  33
  - The Model 126 Monitor
    33
  - The Model 128 Monitor
    35
  - The Model 129 Monitor
    36
  - Upgrading Your Monitor
    36
    
    Adding Fetal Movement Detection
    36
  - Illustrations
    37
- About the Manual
  
  37
  - Design Changes
    38
  - References to Persons, Places, and Institutions
    38
Controls, Indicators, and Connectors

39
- Front Panel Description
  
  40
- Front Panel Displays
  
  43
  - Display Example
    43
  - Primary Labor Parameters
    45
    
    FHR Display
    45
    
    UA Display
    47
    
    Additional Parameters
    48
    
    Maternal NBP
    48
    
    MHR/P Area
    49
    
    Fspo Area
    50
    
    Mspo 2 Area
    51
    
    Time and Waveform Message Area
    51
    
    Waveform Area
    51
    
    Battery-Backed RAM Status
    52
    
    Dedicated Softkey Area
    52
    
    Mode Title Softkeys
    52
    
    Softkeys
    52
    
    Waveform Softkeys
    52
- Rear Panel Description
  
  55
  - Communication Option
    58
    
    J101 Connector
    58
    
    J102 Connector
    58
    
    J103 Connector
    58
    
    J104 Connector
    58
  - Corolan Option
    58
Theory of Operation

59
- Chapter 4
  
  60
- Main Motherboard
  
  60
  - Functional Overview
    60
  - Switch/Status Input Data Flow Diagram
    60
  - External/Internal Communication Data Flow
    60
  - Audio Control Flow
    60
  - Control Block
    78
  - Corolan Module
    78
  - Options Interface
    80
  - Rear Panel Interface
    80
  - Audio Section
    80
  - Recorder Interface Section
    81
  - RS-232C Communications Section
    81
- DSP Board
  
  82
  - Functional Overview
    82
  - DSP Section
    82
    
    Control Module
    82
    
    Watchdog Module
    82
    
    Front-End Control/Status Interface
    83
    
    Status/Control Module
    83
  - IUP Interface
    83
  - Analog Conversion Module
    83
  - Front Panel Interface Section Theory
    83
    
    EL Panel Interface
    83
    
    Front Panel Switch Interface
    85
  - Recorder LED Board Interface
    92
- NBP Board
  
  93
  - NBP Board with DINAMAP or Marquette Electronics Technology
    93
    
    AC Amplifier and Filter
    93
    
    DC Pressure Amplifier and Filter
    93
    
    Pressure Transducer and Amplifier
    93
    
    Microcontroller and Host Interface
    94
    
    MUX and A/D
    94
    
    Pump/Valve Control
    94
  - NBP Board Manufactured by cas Medical Systems, Inc
    95
    
    A/D Conversion
    95
    
    Processor Circuitry
    95
    
    Watchdog Circuitry
    95
    
    Instrumentation Amplifier
    96
    
    Valves
    96
- Communications Board
  
  97
- System Power Supply
  
  102
- Display Board
  
  103
- Dual Ultrasound Board
  
  104
  - Overview
    104
  - The Ultrasound Transducer
    104
  - Ultrasound Oscillator
    104
  - Digital Control Section
    105
  - Channel a Pin Diode Circuitry
    106
  - Channel B Pin Diode Circuitry
    106
  - Transmission, Channel a or Channel B
    107
  - Reception, Channel a or Channel B
    107
  - Channel a Filtering
    108
    
    Audio Circuitry
    108
    
    Main Filters
    108
    
    Fetal Movement Filters
    109
    
    Ultrasound Envelope
    109
- UA/FECG Board
  
  110
  - Isolated FECG Circuitry
    110
  - Isolated UA Circuitry
    111
- MECG Board
  
  119
  - Defibrillator Protection
    119
  - Input Lead Switching
    119
  - Single-Wire ECG Amplifier with Right Leg Drive
    120
  - Pacemaker Detection
    121
  - Leads off Detection
    123
  - Test Generator
    124
  - Linear Isolation Amplifier
    124
  - Low-Pass and Notch Filters
    125
- Oximeter Carrier Board
  
  128
- Mspo 2 Board
  
  129
  - Nellcor Module
    129
    
    Functional Overview
    129
    
    Input Source Selection Circuits
    129
    
    LED Driver Circuitry
    129
    
    Filters/Amplifiers
    130
    
    Input Amplifier and Synchronous Detector
    130
    
    Analog-To-Digital Conversion Circuitry
    131
    
    Communications
    131
    
    Processor Circuitry
    131
  - Masimo Module
    131
    
    Principle of Operation
    131
- Isolated Power Supply Board
  
  134
  - Controller
    134
  - External Synchronization
    135
  - Fly-Back Transformer, Output Rectification, and Filtering
    135
  - Isolated Feedback
    136
  - Short Circuit Protection
    137
  - Input Filter/Isolation Barrier
    137
- Recorder Board
  
  140
Setup Procedures

145
- Chapter 5
  
  146
- Loading Strip Chart Recorder Paper
  
  146
- Mounting a Strain Gauge for IUP Monitoring
  
  149
- User Setup Screens
  
  150
  - Using the Trim Knob Control
    150
- FECG Setup Screen
  
  152
  - Volume
    152
  - FHR Alarm Limits
    152
  - FHR Audio Alarm
    152
  - Alarm Volume
    152
- US/US2 Setup Screen
  
  153
  - Fetal Movement Detection
    153
  - Fetal Heart Rate Offset
    153
  - Volume
    154
  - FHR Audio Alarm
    154
  - Alarm Volume
    154
- Maternal NBP Setup Screen
  
  155
  - Display Timer
    155
  - Mode
    155
  - NBP Done Volume
    156
  - Alarm Limits
    156
  - Audio Alarm
    156
  - Master Alarm Volume
    156
- Mspo2 Setup Screen
  
  157
  - Response Time (Nellcor Module Only)
    157
  - Sensitivity (Masimo Module Only)
    157
  - Averaging Time (Masimo Module Only)
    158
  - Print Interval
    158
  - O 2 Trace
    158
  - Alarm Limits
    158
  - Audio Alarm
    158
  - Alarm Volume
    158
- MHR/P Setup Screen
  
  159
  - Source
    159
  - MHR/P Trace
    159
  - Volume
    160
  - Alarm Limits
    160
  - Audio Alarms
    160
  - Alarm Volume
    160
  - MECG Lead
    160
  - MECG Pacer
    161
  - Response Time
    161
- Master Alarm Setup Screen
  
  162
  - Audio Alarms
    162
  - Re-Alarm
    162
  - Alarm Limits
    162
  - Volume
    162
  - Response Time
    163
  - Print Interval
    163
- Fspo2 Setup Screen
  
  163
  - O 2 Trace
    164
  - Fspo 2 Display Area
    164
    
    Fspo 2 Status Icons
    164
    
    Pulse Search
    164
    
    Sensor Lifted
    164
    
    Sensor Unplugged
    164
    
    Single Versus Dual Display of Spo 2
    164
  - General Setup Screen
    166
    
    Date
    166
    
    Song Player
    166
    
    Song Player Volume
    166
    
    Time
    166
    
    Paper Chime
    167
    
    Paper Speed
    167
    
    Recorder Light
    167
    
    Spo Scale
    167
    
    Fspo 2 Print Interval
    168
    
    Fspo 2 Trace
    168
    
    Mspo 2 Print Interval
    168
    
    Paper Chime Volume
    168
- Service Mode Screens
  
  169
  - Service Lock Screen
    169
  - Install Options Screen
    170
    
    Current (Last-Used) Settings
    171
    
    Default Settings
    171
    
    Factory Defaults
    171
    
    Hospital Defaults
    171
    
    Volume Exceptions
    171
    
    ECG Artifact Elimination
    172
    
    HR Offset
    172
    
    Language
    172
    
    Line Frequency
    172
    
    NBP One-Minute Interval
    172
    
    New Hospital
    172
    
    Scaling
    172
    
    10 Min
    173
    
    Default TOCO Reference
    173
    
    FM Remote Mark
    173
    
    Off
    173
    
    What Is It
    173
    
    Corolan Address Checking
    174
    
    Heartbeat Coincidence
    174
    
    Recorder Font Size
    174
    
    Smart BP
    174
    
    VS Print Interval
    174
    
    Alert Suspend
    175
    
    Fetal Alert/Alarms
    175
  - Printing System Setup Information
    175
  - Communications Setup Screen
    177
    
    Baud Rate
    177
    
    Mode
    177
- Hardware Switches
  
  178
Functional Checkout Procedure

179
- Before You Begin
  
  180
  - Equipment Required
    180
  - General
    180
- Self-Test Routine
  
  181
- Front Panel Pushbutton Test
  
  183
- Connecting the Simulator
  
  184
- MECG Test
  
  185
- FECG Test
  
  189
- Ultrasound Test
  
  194
- Fetal Movement Detection Test
  
  197
- Ultrasound Transducer Test
  
  199
- Uterine Activity Test
  
  200
- Tocotransducer Test
  
  203
- Strain Gauge Transducer Test
  
  204
- Pattern Memory Test
  
  205
- Dual Heart Rate Test (Non-Pattern)
  
  206
  - FECG/US Modes
    206
  - Dual Ultrasound Modes
    209
- Alarm Test
  
  210
- NBP Test
  
  213
- Mspo 2 Test
  
  213
- Preventative Maintenance Inspection Report
  
  214
  - Configuration
    214
  - Tools Required
    214
  - Visual Inspection
    214
  - Inspection Checklist
    215
Calibration

219
- Chapter 7
  
  220
- Before You Begin
  
  220
  - General
    220
- Power Supply Voltages-Verification
  
  221
- Recorder Photosensor Calibration
  
  223
- Display Check
  
  225
  - Checking a 3" X 3.75" Display
    226
  - Verifying the DSP Board Operation (3"X 3.75" Display)
    226
    
    Removing the Display Assembly
    227
    
    Replacing the Display Assembly
    228
    
    Disassembly
    229
    
    Equipment Required
    229
    
    Upgrading to a 3.5" X 4.5" Display
    229
    
    Reassembly
    230
    
    Testing
    234
    
    Checking a 3.5" X 4.5" Display
    235
    
    Verifying the DSP Board Operation
    235
    
    Removing the Display Assembly
    236
    
    Replacing the Display Assembly
    237
- Trimline Tocotransducer Calibration
  
  238
  - Equipment Required
    238
  - Procedure
    238
- Nautilus Tocotransducer Calibration
  
  241
  - Equipment Required
    242
  - Calibration Procedure
    243
    
    Calibration for Cat. No. (REF) 2264 GAX/HAX/JAX/KAX/LAX/MAX
    243
    
    Disassembly
    243
    
    Calibration for Cat. No. (REF) 2264 AAX/BAX/CAX/DAX/EAX/FAX
    244
    
    Reassembly
    245
  - Testing the Tocotransducer
    245
- Maternal Spo2 Calibration
  
  246
  - Calibration
    246
Self-Tests

247
- Chapter 8
  
  248
- Power-On Diagnostic Tests
  
  248
- Monitor Self-Test
  
  249
- Error Log Screen
  
  251
- Diagnostic Control Screen
  
  257
  - Recorder Calibration Test
    258
  - CPU Version
    258
  - DSP Version
    259
  - Run Time
    259
  - Recorder Time
    259
  - Main Board SW1 Switch Settings
    259
  - Corolan Network Status
    260
- Corolan Address Check
  
  263
- J102 Analog Output Connector DAC Static Test
  
  264
  - Verification
    264
    
    Analog Ground
    264
    
    HR1 and HR2
    264
    
    HR1 Mode
    265
    
    HR2 Mode
    265
    
    Markout*, Check Paper*, FMD1, and FMD2
    265
    
    UA Mode
    265
  - Calibration
    265
- RS-232C Connector Loopback Test
  
  267
  - Making a Loopback Test Connector
    267
  - Testing the Port(S)
    267
General Maintenance

269
- Chapter 9
  
  270
- Cleaning
  
  270
- Main Board Battery
  
  273
- Maternal Blood Pressure Tests
  
  274
  - Accessing the Diagnostic Control Screen
    274
  - Manometer Pressure Check
    277
  - Pneumatic Pressure Check
    279
  - Electrical Safety Tests
    280
    
    AC Line
    280
    
    Ground Impedance
    280
    
    Initial Conditions
    280
    
    Unit to Primary Leakage
    281
    
    Patient-To-Ground Leakage for ECG
    282
    
    Patient-To-Line Leakage for ECG
    283
    
    Patient-To-Ground Leakage for IUP
    284
    
    Patient-To-Line Leakage for IUP
    285
    
    Patient-To-Ground Leakage for Mspo
    286
    
    Patient-To-Line Leakage for Mspo
    287
    
    Patient-To-Ground Leakage for Fspo
    288
    
    Patient-To-Line Leakage for Fspo
    289
    
    Patient-To-Ground Leakage for US
    290
    
    Patient-To-Line Leakage for US
    291
    
    Patient-To-Ground Leakage for US2
    292
    
    Ground Continuity
    293
    
    Patient-To-Line Leakage for US2
    293
  - Dielectric (Hi-Pot) Tests
    294
    
    Patient-To-AC-Line Using DC Voltage for One Minute
    294
    
    Patient-To-Chassis Using AC Voltage for One Minute
    296
    
    Mains-To-Chassis Using DC Voltage for One Minute
    297
Strip Chart Recorder Servicing

299
- Chapter 10
  
  300
- Removing the Strip Chart Recorder
  
  300
- Installing the Strip Chart Recorder
  
  301
- Periodic Thermal Printhead Cleaning
  
  302
- Field Serviceable Assemblies
  
  303
  - Stepper Motor and Harness
    303
    
    Removing the Stepper Motor
    303
    
    Replacing the Stepper Motor
    303
  - Printhead Adjustments
    304
    
    Horizontal Offset Adjustment
    304
    
    Vertical Offset Adjustment
    304
    
    Removing the Printhead
    306
    
    Replacing the Printhead
    306
    
    Thermal Printhead
    306
  - Paper-Low/Paper-Out Photosensor
    310
    
    Adjusting the Paper-Low Photosensor
    310
    
    Removing the Paper-Low/Paper-Out Photosensor
    310
    
    Replacing the Paper-Low/Paper-Out Photosensor
    310
    
    Adjusting the Paper-Out Photosensor
    311
  - Paper-Loading Sensor
    312
    
    Removing the Paper-Loading Photosensor
    312
    
    Replacing the Paper-Loading Sensor
    312
    
    Adjusting the Paper-Loading Sensor
    313
Peripheral Devices

315
- Standard Input/Output Connectors
  
  316
  - Remote Marks Connector
    316
  - J108 Connector (Corolan Interface)
    316
  - J109, J110, and J111 Connectors (RS-232C)
    317
    
    Mode
    317
- Nellcor Puritan Bennett Model N-200 Maternal Pulse Oximeter
  
  319
- Nellcor Puritan Bennett Model N-400 Fetal Pulse Oximeter
  
  320
- DINAMAP Models 1846, 1846SX, and 1846Sx/Oxytrack, 8100, and 8100T
  
  321
- Quantitative Sentinel/Perinatal System
  
  322
- Model 115-Compatible Communications Protocols
  
  323
  - 115 Update Mode
    323
  - 115 Transmit/Receive Mode
    324
  - Requested Data Format
    324
    
    Data Field
    324
    
    End of Text
    324
    
    Monitor Type
    324
  - Transmitted Data Format
    325
    
    Annotations
    325
    
    Data Field
    325
    
    Event Mark
    325
    
    Heart Rate
    325
    
    Modes
    325
    
    Monitor ID
    325
    
    Monitor Type
    325
    
    Response Type
    325
    
    Uterine Activity
    325
    
    End of Text
    326
    
    Fetal Movement
    326
    
    Limitations
    326
    
    Recorder Status
    326
  - Error Conditions
    326
    
    Transmission Errors
    326
    
    Request Errors
    327
  - Cabling Information
    329
    
    Cable Distance
    329
    
    Clear to Send (CTS)
    329
    
    Data Terminal Equipment Cabling
    329
    
    Monitor RS-232 Connector
    329
    
    Receive Data (RXD)
    329
    
    Request to Send (RTS)
    329
    
    Standard RS-232C Rules
    329
    
    Transmit Data (TXD)
    329
    
    Data Communications Equipment Cabling
    330
- Optional Communication Package
  
  332
Upgrading a 120 Series Monitor

333
- Chapter 12
  
  334
- General Information
  
  334
  - Handling Precautions
    334
  - Equipment Required
    334
  - Testing
    334
- Communications Option Upgrade Kit
  
  335
  - Unpacking
    335
  - Installation
    335
- Nellcor Mspo and NBP Option Upgrade Kit
  
  339
  - Monitors with a 3-Inch X 3.75-Inch Display
    339
    
    Installation
    339
    
    Unpacking
    339
  - Monitors with a 3.5-Inch X 4.5-Inch Display
    349
    
    Installation
    349
    
    Unpacking
    349
- Masimo Msp02 Upgrade Kit
  
  359
- MECG Option Upgrade Kit
  
  360
  - Unpacking
    360
  - Installation
    360
- Software Version 3.5
  
  366
  - Flasher Software Utility Upgrade Method
    366
  - EEPROM Replacement Method
    366
- Display Upgrade
  
  372
- Fetal Movement Detection
  
  372
Technical Specifications

373
- General Monitor
  
  374
- Operating Modes
  
  375
- Strip Chart Recorder
  
  380
Replacement Parts

381
- Replacement Parts Table
  
  382
- Calibration Parts
  
  386
  - Trimline Tocotransducer Calibration
    386
  - CMR Jack Components
    386
  - Nautilus Tocotransducer
    386
Troubleshooting

387
- Chapter 15
  
  388
- General Troubleshooting
  
  388
- Ultrasound Troubleshooting
  
  389
- FECG Troubleshooting
  
  390
- Fetal Pulse Oximetry Troubleshooting
  
  391
- External Uterine Activity Troubleshooting
  
  394
- Internal UA Troubleshooting
  
  395
- MECG Troubleshooting
  
  396
- Blood Pressure Troubleshooting
  
  397
- Maternal Pulse Oximetry Troubleshooting
  
  398
Factory Defaults

399
- Table of Defaults
  
  400
Alarms Summary

405
- Table of Alarms
  
  406
Drawings

409

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More GE Manuals

GE Corometrics 126 Fetal Monitor Manuals

GE Corometrics 126 Service Manual (440 pages)

Table of Contents

Safety

General Information

Definitions of Terminology

Monitor Contraindications, Warnings, and Precautions

Equipment Symbols

Introduction

Indications for Use

Series Overview

About the Manual

Controls, Indicators, and Connectors

Front Panel Description

Front Panel Displays

Rear Panel Description

Theory of Operation

Chapter 4

Main Motherboard

DSP Board

NBP Board

Communications Board

System Power Supply

Display Board

Dual Ultrasound Board

UA/FECG Board

MECG Board

Oximeter Carrier Board

Mspo 2 Board

Isolated Power Supply Board

Recorder Board

Setup Procedures

Chapter 5

Loading Strip Chart Recorder Paper

Mounting a Strain Gauge for IUP Monitoring

User Setup Screens

FECG Setup Screen

US/US2 Setup Screen

Maternal NBP Setup Screen

Mspo2 Setup Screen

MHR/P Setup Screen

Master Alarm Setup Screen

Fspo2 Setup Screen

Service Mode Screens

Hardware Switches

Functional Checkout Procedure

Before You Begin

Self-Test Routine

Front Panel Pushbutton Test

Connecting the Simulator

MECG Test

FECG Test

Ultrasound Test

Fetal Movement Detection Test

Ultrasound Transducer Test

Uterine Activity Test

Tocotransducer Test

Strain Gauge Transducer Test

Pattern Memory Test

Dual Heart Rate Test (Non-Pattern)

Alarm Test

NBP Test

Mspo 2 Test

Preventative Maintenance Inspection Report

Calibration

Chapter 7

Before You Begin

Power Supply Voltages-Verification

Recorder Photosensor Calibration

Display Check

Trimline Tocotransducer Calibration

Nautilus Tocotransducer Calibration

Maternal Spo2 Calibration

Self-Tests

Chapter 8

Power-On Diagnostic Tests

Monitor Self-Test

Error Log Screen

Diagnostic Control Screen

Corolan Address Check