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GE Corometrics 126

GE Corometrics 126
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Corometrics
®
120 Series V3.5
SERVICE MANUAL MANUAL P/N 2015590-001 REV. B

Table of Contents

Questions and Answers:

GE Corometrics 126 Specifications

General IconGeneral
CategoryFetal Monitor
ManufacturerGE Healthcare
ModelCorometrics 126
DisplayLCD
Power SourceAC Power
Fetal Heart Rate Range50-210 bpm
Recorder Speed1, 2, 3 cm/min
TypeFetal Monitor
Ultrasound Frequency1 MHz
TOCO Range0-100 units

Summary

SERVICE MANUAL

Safety

Monitor Contraindications, Warnings, and Precautions

Details contraindications, warnings, cautions, and electromagnetic interference considerations for the monitor.

Theory of Operation

Main Motherboard

Explains the central processing unit and data flow handled by the main motherboard.

DSP Board

Details the digital signal processing section and its interface with the main processor.

NBP Board

Describes the theory of operation for the Non-Invasive Blood Pressure module.

System Power Supply

Details the design and operation of the monitor's power supply module.

Dual Ultrasound Board

Explains the dual channel pulsed Doppler ultrasound system operation.

UAFECG Board

Details the circuitry for Uterine Activity and Fetal ECG monitoring.

MECG Board

Explains the theory of operation for Maternal ECG monitoring.

MSpO2 Board

Explains the theory of operation for Maternal Pulse Oximetry.

Setup Procedures

Functional Checkout Procedure

Self-Test Routine

Details the procedure for verifying the monitor's calibration and internal circuitry integrity.

Alarm Test

Verifies the integrity of audio alarms and alarm limit software.

Calibration

Self-Tests

Power-On Diagnostic Tests

Automatic tests performed by the Main Motherboard and DSP Board upon power-up.

Monitor Self-Test

Initiates test routines to verify unit calibration and internal circuitry integrity.

General Maintenance

Electrical Safety Tests

Covers essential electrical safety tests including leakage and dielectric tests.

Upgrading a 120 Series Monitor

Technical Specifications

Replacement Parts

Replacement Parts Table

A comprehensive list of FRUs (Field Replacement Units) and their part numbers.

Troubleshooting

General Troubleshooting

Provides basic troubleshooting steps for common monitor operational problems.

Fetal Pulse Oximetry Troubleshooting

Troubleshooting steps for issues with Fetal SpO2 readings and sensor connection.

Blood Pressure Troubleshooting

Addresses problems related to NBP readings, messages, and functionality.

Maternal Pulse Oximetry Troubleshooting

Troubleshooting steps for issues with Maternal SpO2 readings and communication.

Alarms Summary

Table of Alarms

Provides a summary of 120 Series alarms, including visible and audible advisories.

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