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GE Corometrics 126, Руководство по обслуживанию

GE Corometrics 126 - высококачественный монитор сердечного ритма для беременных женщин и плода. Для обслуживания устройства вам потребуется Сервисное руководство, которое можно бесплатно скачать с manualshive.com, чтобы узнать о возможностях и настройках аппарата. Надежное и точное устройство для контроля здоровья матери и ребенка.

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Revision B

120 Series Maternal/Fetal Monitor

v

2015590-001 

FECG Setup Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5-8

Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
FHR Alarm Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
FHR Audio Alarm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Alarm Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

US/US2 Setup Screen  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5-9

Fetal Movement Detection  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Fetal Heart Rate Offset   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
FHR Audio Alarm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Alarm Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10

Maternal NBP Setup Screen  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5-11

Display Timer  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Mode   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
NBP Done Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Alarm Limits  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Audio Alarm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Master Alarm Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12

MSpO2 Setup Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5-13

Response Time (Nellcor Module Only)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Sensitivity (Masimo Module Only)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Averaging Time (Masimo Module Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Print Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
%O

2

 Trace  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14

Alarm Limits  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Audio Alarm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Alarm Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14

MHR/P Setup Screen  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5-15

Source  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
MHR/P Trace  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
Alarm Limits  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
Audio Alarms  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
Alarm Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
MECG Lead  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
MECG Pacer  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Response Time  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17

Master Alarm Setup Screen   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5-18

Audio Alarms  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
Re-Alarm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
Alarm Limits  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18

Содержание Corometrics 126

Страница 1: ...Corometrics 120 Series V3 5 SERVICE MANUAL MANUAL P N 2015590 001 REV B ...

Страница 2: ......

Страница 3: ...Corometrics 120 Series V3 5 SERVICE MANUAL MANUAL P N 2015590 001 REV B ...

Страница 4: ...installation Our obligation under this guarantee is limited to repairing or at our option replacing any defective parts of our equipment except fuses or batteries without charge if such defects occur in normal service Claims for damage in shipment should be filed promptly with the transportation company All correspondence covering the instrument should specify the model and serial numbers GE MEDIC...

Страница 5: ...ble combinations For individual equipment certification refer to the appropriate declarations of conformity Component Description 120 Series Maternal Fetal Monitor Model 146 Fetal Acoustic Stimulator Intrauterine Pressure Transducer FECG Cable Legplate Ultrasound Transducers x2 Blood Pressure Hose and Cuff MSpO2 Interconnect Cable and Sensor MECG Cable FECG MECG Adapter Cable Remote Event Marker R...

Страница 6: ...ii CE MARKING INFORMATION 0459 For Your Notes ...

Страница 7: ...Electromagnetic Interference 1 8 Equipment Symbols 1 9 2 Introduction 2 1 Indications for Use 2 2 Fetal Monitoring 2 2 Maternal Monitoring 2 2 Blood Pressure 2 2 Pulse Oximetry 2 2 Heart Pulse Rate 2 2 Series Overview 2 3 The Model 126 Monitor 2 3 The Model 128 Monitor 2 5 The Model 129 Monitor 2 6 Upgrading Your Monitor 2 6 Adding Fetal Movement Detection 2 6 About the Manual 2 7 Purpose 2 7 Inte...

Страница 8: ...Softkeys 3 14 Mode Title Softkeys 3 14 Waveform Softkeys 3 14 Dedicated Softkey Area 3 14 Rear Panel Description 3 17 Communication Option 3 20 J101 Connector 3 20 J102 Connector 3 20 J103 Connector 3 20 J104 Connector 3 20 Corolan Option 3 20 4 Theory of Operation 4 1 Main Motherboard 4 2 Functional Overview 4 2 Switch Status Input Data Flow Diagram 4 2 External Internal Communication Data Flow 4...

Страница 9: ...X and A D 4 36 Microcontroller and Host Interface 4 36 Pump Valve Control 4 36 NBP Board Manufactured by CAS Medical Systems Inc 4 37 Processor Circuitry 4 37 A D Conversion 4 37 Watchdog Circuitry 4 37 Instrumentation Amplifier 4 38 Valves 4 38 Communications Board 4 39 Central Systems Interface 4 39 Model 2116B Keyboard Interface 4 40 Model 340 Telemetry Interface 4 40 System Power Supply 4 44 D...

Страница 10: ...l Overview 4 71 LED Driver Circuitry 4 71 Input Source Selection Circuits 4 71 Input Amplifier and Synchronous Detector 4 72 Filters Amplifiers 4 72 Analog to Digital Conversion Circuitry 4 73 Communications 4 73 Processor Circuitry 4 73 Masimo Module 4 73 Principle of Operation 4 73 Isolated Power Supply Board 4 76 Controller 4 76 External Synchronization 4 77 Fly back Transformer Output Rectific...

Страница 11: ...ume 5 12 Alarm Limits 5 12 Audio Alarm 5 12 Master Alarm Volume 5 12 MSpO2 Setup Screen 5 13 Response Time Nellcor Module Only 5 13 Sensitivity Masimo Module Only 5 13 Averaging Time Masimo Module Only 5 14 Print Interval 5 14 O2 Trace 5 14 Alarm Limits 5 14 Audio Alarm 5 14 Alarm Volume 5 14 MHR P Setup Screen 5 15 Source 5 15 MHR P Trace 5 15 Volume 5 16 Alarm Limits 5 16 Audio Alarms 5 16 Alarm...

Страница 12: ...23 Recorder Light 5 23 Paper Chime Volume 5 24 MSpO2 Print Interval 5 24 FSpO2 Print Interval 5 24 FSpO2 Trace 5 24 Service Mode Screens 5 25 Service Lock Screen 5 25 Install Options Screen 5 26 Default Settings 5 27 Factory Defaults 5 27 Current Last Used Settings 5 27 Hospital Defaults 5 27 Volume Exceptions 5 27 New Hospital 5 28 Line Frequency 5 28 ECG Artifact Elimination 5 28 Scaling 5 28 La...

Страница 13: ...rocedure 6 1 Before You Begin 6 2 Equipment Required 6 2 General 6 2 Self Test Routine 6 3 Front Panel Pushbutton Test 6 5 Connecting the Simulator 6 6 MECG Test 6 7 FECG Test 6 11 Ultrasound Test 6 16 Fetal Movement Detection Test 6 19 Ultrasound Transducer Test 6 21 Uterine Activity Test 6 22 Tocotransducer Test 6 25 Strain Gauge Transducer Test 6 26 Pattern Memory Test 6 27 Dual Heart Rate Test...

Страница 14: ...r Out Photosensor 7 6 Adjusting the Paper Loading Sensor 7 6 Display Check 7 7 Checking a 3 x 3 75 Display 7 8 Verifying the DSP Board Operation 3 x 3 75 Display 7 8 Removing the Display Assembly 7 9 Replacing the Display Assembly 7 10 Upgrading to a 3 5 x 4 5 Display 7 11 Equipment Required 7 11 Disassembly 7 11 Reassembly 7 12 Testing 7 16 Checking a 3 5 x 4 5 Display 7 17 Verifying the DSP Boar...

Страница 15: ...Recorder Time 8 13 Main Board SW1 Switch Settings 8 13 Corolan Network Status 8 14 Corolan Address Check 8 17 J102 Analog Output Connector DAC Static Test 8 18 Verification 8 18 Analog Ground 8 18 HR1 and HR2 8 18 UA 8 18 HR1 Mode 8 19 HR2 Mode 8 19 UA Mode 8 19 Markout Check Paper FMD1 and FMD2 8 19 Calibration 8 19 RS 232C Connector Loopback Test 8 21 Making a Loopback Test Connector 8 21 Testin...

Страница 16: ...pO2 9 19 Patient to Ground Leakage for FSpO2 9 20 Patient to Line Leakage for FSpO2 9 21 Patient to Ground Leakage for US 9 22 Patient to Line Leakage for US 9 23 Patient to Ground Leakage for US2 9 24 Patient to Line Leakage for US2 9 25 Ground Continuity 9 25 Dielectric Hi Pot Tests 9 26 Patient to AC Line Using DC Voltage for One Minute 9 26 Patient to Chassis Using AC Voltage for One Minute 9 ...

Страница 17: ...ors 11 2 Remote Marks Connector 11 2 Remote Marks Connector 11 2 ECG Out Connector 11 2 J108 Connector Corolan Interface 11 2 J109 J110 and J111 Connectors RS 232C 11 3 Baud Rate 11 3 Mode 11 3 Nellcor Puritan Bennett Model N 200 Maternal Pulse Oximeter 11 5 Nellcor Puritan Bennett Model N 400 Fetal Pulse Oximeter 11 6 DINAMAP Models 1846 1846SX and 1846SX Oxytrack 8100 and 8100T 11 7 Quantitative...

Страница 18: ...ipment Cabling 11 16 Optional Communication Package 11 18 J101 Connector Model 340 Telemetry System Interface 11 18 J102 Connector Spectra 400 Analog Interface 11 18 J103 Connector Model 2116B Data Entry Interface 11 18 12 Upgrading a 120 Series Monitor 12 1 General Information 12 2 Handling Precautions 12 2 Equipment Required 12 2 Testing 12 2 Communications Option Upgrade Kit 12 3 Unpacking 12 3...

Страница 19: ...odes 13 3 Strip Chart Recorder 13 8 14 Replacement Parts 14 1 Replacement Parts Table 14 2 Calibration Parts 14 6 Trimline Tocotransducer Calibration 14 6 CMR Jack Components 14 6 Nautilus Tocotransducer 14 6 15 Troubleshooting 15 1 General Troubleshooting 15 2 Ultrasound Troubleshooting 15 3 FECG Troubleshooting 15 4 Fetal Pulse Oximetry Troubleshooting 15 5 External Uterine Activity Troubleshoot...

Страница 20: ... 120 Series Maternal Fetal Monitor Revision B 2015590 001 Maternal Pulse Oximetry Troubleshooting 15 12 A Factory Defaults A 1 Table of Defaults A 2 B Alarms Summary B 1 Table of Alarms B 2 C Drawings C 1 ...

Страница 21: ...ent and operator This chapter describes how the terms Danger Warning Caution Important and Note are used throughout the manual In addition standard equipment symbols are defined This section includes the following important information General Information 1 2 Definitions of Terminology 1 3 Monitor Contraindications Warnings and Precautions 1 4 Equipment Symbols 1 9 ...

Страница 22: ...fications or repairs are carried out by persons authorized by GE the electrical installation of the relevant room complies with the requirements of appropriate regulations and the monitor is used in accordance with the instructions of use Responsibility of the User This device is intended for use by clinical professionals who are expected to know the medical procedures practices and terminology re...

Страница 23: ...anger A DANGER notice indicates an imminently hazardous situation which if not avoided will result in death or serious injury Warning A WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury Caution A CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Cautions are also used to avo...

Страница 24: ...connected to the wall socket by the power cord Do not plug the electrode leads into the power cord a wall socket or an extension cord DEFIBRILLATION During defibrillation all personnel must avoid contact with the patient and monitor to avoid a dangerous shock hazard In addition proper placement of the paddles in relation to the electrodes is required to minimize harm to the patient ELECTRICAL SHOC...

Страница 25: ... at regular intervals by a qualified care provider who will make diagnoses and decide on treatments and interventions INTERFACING OTHER EQUIPMENT Monitoring equipment must be interfaced with other types of medical equipment by qualified biomedical engineering personnel Be certain to consult manufacturers specifications to maintain safe operation LEAKAGE CURRENT TEST The interconnection of auxiliar...

Страница 26: ...t rely entirely upon rate meter alarms Keep pacemaker patients under close surveillance Refer to Chapter 13 Technical Specifications for disclosure of the pacemaker pulse rejection capability of the 120 Series Monitor SIMULTANEOUS DEVICES Do not simultaneously connect more than one device that uses electrodes to detect ECG and or respiration to the same patient Use of more than one device in this ...

Страница 27: ...n follow the instructions in Chapter 5 Setup Procedures ENVIRONMENT The performance of the monitor has not been tested in certain areas such as x ray and imaging suites The monitor is not recommended for use in these environments PERFORMANCE Report all problems experienced with the monitor If the monitor is not working properly contact your Service Representative for service The monitor should not...

Страница 28: ...ue to close proximity or strength of a source may result in disruption of performance of this device This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with these instructions may cause harmful interference with other devices in the vicinity Disruption or interference may be evidences by erratic readings cessation of operation or incorr...

Страница 29: ...plication TYPE BF EQUIPMENT Type BF equipment is suitable for intentional external and internal application to the patient excluding direct cardiac application Type BF equipment has an F type applied part DEFIBRILLATOR PROOF TYPE BF EQUIPMENT Type BF equipment is suitable for intentional external and internal application to the patient excluding direct cardiac application Type BF equipment is type...

Страница 30: ...1 10 120 Series Maternal Fetal Monitor Revision B 2015590 001 Safety Equipment Symbols For your notes ...

Страница 31: ...or maternal fetal monitors in the Corometrics 120 Series The Corometrics 120 Series is extremely flexible allowing you to mix and match features This section provides information about your monitor in relation to this manual as well as the intended uses of the device Indications for Use 2 2 Series Overview 2 3 About the Manual 2 7 ...

Страница 32: ...monitor should only be used as an adjunct to patient assessment and must be used in conjunction with clinical signs and symptoms Blood Pressure This parameter is intended for use in the non invasive monitoring of maternal blood pressure NBP This monitor is not intended for use in neonatal or pediatric blood pressure monitoring Pulse Oximetry This parameter is intended for use in the non invasive m...

Страница 33: ...ip chart User selectable font size for strip chart annotations customizes readability Automatic mode selection is provided simply by inserting the appropriate transducer plug into the front panel receptacle The ChartLight allows the room lights to be dimmed without sacrificing visibility of the strip chart recorder Transducer connectors are easy to use color coded and durable Frequently used funct...

Страница 34: ...can be disabled Fetal heart rate threshold and signal quality alarms can be cancelled The monitor can be interfaced to the most widely used non invasive blood pressure monitors and pulse oximeters The FECG waveform can be optionally displayed and can be frozen on the screen for review In addition a six second snapshot can be printed on the strip chart paper ...

Страница 35: ...nal pulse rate can be reliably monitored using the well known Nellcor pulse oximetry brand Continuous display printing of the maternal pulse rate trend can be enabled Maternal alarm limits are user defined with pre set defaults The audible indicator for each maternal alarm can be temporarily silenced Maternal vital signs storage provides an eight hour history of the maternal vital signs in a sprea...

Страница 36: ...n a six second snapshot can be printed on the strip chart paper The large display shows fetal parameters maternal parameters and one waveform all at once Upgrading Your Monitor The 120 Series family of monitors provides one solution for high risk and low risk labors and deliveries The 120 Series of monitors lets you start with a basic monitor and add the extended and or more advanced features late...

Страница 37: ... MSpO2 maternal NBP MECG or FSpO2 monitoring capabilities Table 2 1 provides a summary of the 120 Series family of monitors Intended Audience This manual is intended for trained service professionals Illustrations All illustrations are provided as examples only Your monitor may not be equipped with all of the features shown In addition unless explicitly stated the screen examples do not represent ...

Страница 38: ...ility for any errors or inconsistencies appearing in this manual that result from product design changes and upgrades References to Persons Places and Institutions References to persons places and institutions used within this manual are solely intended to facilitate user comprehension of the 120 Series Monitor s use and functions Extreme care has been taken to use fictitious names and related inf...

Страница 39: ...Chapter 3 Controls Indicators and Connectors 3 This section describes all possible controls indicators and connectors in the 120 Series of monitors The section contains the following Front Panel Description 3 2 Front Panel Displays 3 5 Rear Panel Description 3 17 ...

Страница 40: ...lence Volume Volume UA Reference Paper Advance Trim Knob Power Test BP Start Stop Mark Offset Record FECG MECG SpO2 US US2 UA BP FSpO2 MATERNAL 4305CAO FHR bpm 30 60 90 120 150 180 240 210 kPa UA 12 10 8 4 2 6 0 30 130 85 89 97 MECG MSP02 NBP MAP 107 03 15 25 mm s PRINT ALARMS SETUP US2 US TOCO 02 15 VSHX II 03 22 45 FREEZE 2X 165 172 A B C D E F G H I J K L O P Q R S T U V W X M N Y ...

Страница 41: ...hbutton is a multi function pushbutton Mark Pressing this button prints an event mark on strip chart paper on the bottom two lines of the top grid Offset When the Heart Rate Offset mode is enabled pressing and holding this button shifts the secondary FHR trend 20 BPM for visibility purposes K Paper Advance Button Pressing this button advances chart paper at a rate of 40 cm min for as long as the b...

Страница 42: ...h rectangular plugs connect directly to the FECG MECG receptacle Cables with round plugs require an FECG MECG adapter cat no REF 1442AAO Use this adapter for dual ECG monitoring as well The adapter branches into two cables each with a round receptacle at the end one branch is labeled MECG the other branch is labeled FECG V UA Connector Connect a tocotransducer IUPC or strain gauge transducer plug ...

Страница 43: ...mode title softkey rather than PULSE The MECG waveform is displayed at 25 mm sec at a size of 2X with lead II selected Heartbeat coincidence is enabled as indicated by the HBC acronym in the primary labor parameters area All alarms are enabled as indicated by Table 3 2 Display Summary Display Section Item Mode Primary Labor Parameters Fetal Heart Rate 1 FHR1 US US2 FECG or INOP Fetal Heart Rate 2 ...

Страница 44: ...xample The Model 126 has a unique feature which automatically centers the primary fetal parameters in the display when no waveform is active See figure below Figure 3 3 Model 126 Display 165 FECG 172 30 87 98 US 25mm s II 2X 15 52 58 HBC MECG PRINT FREEZE ALARMS SETUP VSHX NBP MECG TOCO MSpO2 15 50 27 ALARMS SETUP VSHX 165 172 30 US FECG TOCO OFF ...

Страница 45: ... three digits indicate the fetal heart rate in beats per minute B FHR Alarm Setting Indicator This symbol provides information about the FHR audio alarm and the FHR high low alarm limit settings An alarm setting is turned off All alarm settings are enabled C FHR Mode Title An abbreviation indicates the monitoring mode in use FECG US US2 or INOP FECG only displays in the FHR1 area Select the mode s...

Страница 46: ...Front Panel Displays Table 3 4 Connectors vs Display Modes Active Connectors FHR1 Area FHR2 Area FECG FECG INOP FECG US FECG US FECG US2 FECG US2 US US INOP US US2 US US2 US2 US2 INOP INOP INOP FECG US US2a a If three FHR transducers are plugged in the FECG signal overrides the US signal FECG US2 ...

Страница 47: ...ea is summarized by Figure 3 5 and Table 3 5 Figure 3 5 UA Display Table 3 5 UA Display Name Description A UA Value Up to three digits indicate the uterine activity value mmHg for internal monitoring or relative units for external monitoring B UA Mode Title An abbreviation indicates the monitoring mode in use TOCO IUP or INOP 30 TOCO A B ...

Страница 48: ...ial pressures MAP are each indicated by up to three digits representing mmHg During a determination the instantaneous cuff pressure displays in place of the mean arterial pressure and is denoted by the title CUFF C NBP Alarm Setting Indicator This symbol provides information about the NBP audio alarm and the NBP high low alarm limit settings An alarm setting is turned off All alarm settings are en...

Страница 49: ...er minute B MHR P Alarm Setting Indicator This symbol provides information about the MHR P audio alarm and the MHR P high low alarm limit settings An alarm setting is turned off All alarm settings are enabled C MHR P Mode Title The mode title MECG indicates MECG is the MHR P source the mode title PULSE indicates MSpO2 or NBP is used as the source Select the mode title softkey to access the MHR P S...

Страница 50: ...indicates the FSpO2 level calculated form qualified optical pulses B FSpO2 Mode Title The FSpO2 title indicates that fetal oxygen saturation monitoring is in progress C Signal Quality Indicator This indicator shows the average signal quality of pulses being detected at the sensor site according to a software algorithm in the 120 F Series Monitor The presence of all ten bars represents fetal pulses...

Страница 51: ... right When a waveform is frozen the message LABEL FROZEN displays on the far left along with the time of activation Table 3 9 MSpO2 Display Name Description A MSpO2 Value Up to three digits indicate the percentage of oxygen in the mother s blood B MSpO2 Alarm Setting Indicator This symbol provides information about the MSpO2 audio alarm and the MSpO2 high low alarm limit settings An alarm setting...

Страница 52: ...of the mode titles in the display are also softkeys which give access to corresponding setup screens US US2 FECG NBP MECG PULSE FSPO2 and MSPO2 Waveform Softkeys The waveform title is a softkey used to select the waveform for display or to disable the area The ECG scale and MECG lead labels are softkeys used to configure the waveform currently displayed Dedicated Softkey Area Softkeys are located ...

Страница 53: ...s Selects US US2 FECG NBP MHR P or SpO2 Setup screens B ECG Scale Softkey Selects 0 25X 0 5X 1X 2X 4X or AUTO C MECG Lead Select Softkey Selects Lead I II or III D VSHX Softkey Displays maternal Vital Signs History screen E SETUP Softkey Displays General Setup screen F ALARMS Softkey Displays Master Alarm Setup screen G FREEZE Softkey Freezes waveform for analysis unfreezes waveform to return to r...

Страница 54: ...Vital Signs History Screen Softkeys Table 3 12 Maternal Vital Signs History Screen Softkeys Name Description A PRINT Softkey Prints one page screen of the table B PRINTALL Softkey Prints all pages screens C VIEW Softkey Scrolls through the data Left for recent data Right for oldest data D EXIT Softkey Returns to the previous screen D C B A ...

Страница 55: ...r Panel Description Rear Panel Description Figure 3 13 120 Series Rear Panel Connectors Standard and Optional IMPORTANT The fetal acoustic stimulator connector J and the remote event marker K connector are identical in size To ensure data accuracy be sure to plug sensors into the correct connectors F ...

Страница 56: ...aker emits an audible tone for heart rates MSpO2 pulse with O2 dependent pitch and alarms It also provides the sound for the song player feature G J108 Corolan Connector This 25 pin connector is used for interfacing to optional Corometrics equipment Contact your Service Representative for more information H J109 J110 and J111 RS 232C Communications Connectors Three serial RJ 11 connectors are prov...

Страница 57: ... 125 or International Electrotechnical Commission EN60601 1 L Equipotential Lug A binding post terminal is directly connected to the chassis for use as an equipotentiality connection M AC Voltage Selection Switch This switch is intended for qualified service personnel to select a voltage range for the AC input 120 Accepts an AC input in the range of 100 120 VAC 240 Accepts an AC input in the range...

Страница 58: ...ce and Alert System This connector is often referred to as the Analog Interface Connector J103 Connector This 15 pin connector is used for attaching to an optional data entry system J104 Connector This connector attaches to a standard Nurse Call System The connector s maximum output is 50 Vdc at 100 mA the maximum on resistance is 0 5 Ω When connected to a Nurse Call System the monitor will activa...

Страница 59: ...r For parts information refer to Chapter 14 Replacement Parts This chapter contains the following information Main Motherboard 4 2 DSP Board 4 24 NBP Board 4 35 Communications Board 4 39 System Power Supply 4 44 Display Board 4 45 Dual Ultrasound Board 4 46 UA FECG Board 4 52 MECG Board 4 61 Oximeter Carrier Board 4 70 MSpO2 Board 4 71 Isolated Power Supply Board 4 76 Recorder Board 4 82 ...

Страница 60: ... makes up the fourth module which also passes data via an internal RS 232C port Figure 4 1 shows the data flow Switch Status Input Data Flow Diagram The Main Motherboard also processes information coming in from buttons and sensors Information from the front panel switches comes from the DSP Board passed through the main microprocessor Status information comes from the Recorder Board and the Commu...

Страница 61: ...e 4 4 provides a summary of the audio control flow Figure 4 1 Main Motherboard Input Parameter Data Flow Figure 4 2 Main Motherboard Switch Input Data Flow Main Motherboard MSpO2 Module NBP Module DSP Board Dual Ultrasound UA FECG RS 232C RS 232C Shared Memory MECG RS 232C FSpO2 Module Main Motherboard DSP Switch Interface Board Recorder Board Front Panel Switches Switches Rear Panel Module Switch...

Страница 62: ...board External QS Central System External RS 232C MSpO2 Monitor External RS 232C NBP Monitor Internal RS 232C NBP Module Internal RS 232C Future Module Corolan NBP Data MSpO2 Data External RS 232C reserved for future use Parameter Data Internal RS 232C MSpO2 Module NBP Data MSpO2 Data Parameter Data Audio Mixer and Filters Audio Amplifier Timer 1 Timer 2 ECG Timer US1 US2 Volume Controls From Host...

Страница 63: ... Digital Ground 5 5V 5V Logic Supply 6 5V 5V Logic Supply 7 5V 5V Logic Supply 8 GNDAUD Audio Ground for 12 V 9 GNDBP NBP and Isolated Supply Ground 10 15BP Supply for NBP 11 12AUD Supply for Audio 12 12EL Supply for EL panel 13 GNDEL Ground for EL panel 14 20I 20 V for Isolated Power Supply 15 GNDI Ground for Isolated Power Supplies 16 15US 15 V for Ultrasound 17 15V 15 V for Ultrasound 18 72KHZ ...

Страница 64: ...nd Output from Monitor 2 RXD Receive Data Input to Monitor 3 GND Signal Ground 4 GND Frame Ground 5 TXD Transmit Data Output from Monitor 6 CTS Clear to Send Input to Monitor Table 4 3 RS 232 Connector J12 Pin Number Signal Name Signal Description 1 RTS Always Inactive 2 RXD Receive Data Input to Monitor 3 GND Signal Ground 4 GND Frame Ground 5 TXD Transmit Data Output from Monitor 6 No connection...

Страница 65: ... Box Address Line Input 6 ADR3 Junction Box Address Line Input 7 ADR4 Junction Box Address Line Input 8 ADR5 Junction Box Address Line Input 9 LED Junction Box LED Control Line 10 No connection 11 No connection 12 No connection 13 SIGNAL GND Signal Ground 14 No connection 15 No connection 16 No connection 17 No connection 18 No connection 19 CENTER COAX Corolan Center Coax 20 SHIELD COAX Corolan S...

Страница 66: ...Output 15 Volt Analog Supply 9 AGND Output Analog Ground 10 AGND Output Analog Ground 11 15v Output 15 Volt Analog Supply 12 AGND Output Analog Ground 13 US2AUDIO Input Ultrasound2 Audio 14 GND Output Digital Ground 15 TMECG Output Telemetry MECG 16 TELMAUDIO Input Telemetry Audio 17 IRQ7 alt Input Alternate Interrupt from DSP Board Jumper Selectable On to Processor IRQ7 Line 18 D0B I O Buffered D...

Страница 67: ... 20 V Ground 42 GNDI Output 20 V Ground 43 IRQ6 Input Processor Interrupt Line 44 20I Output 20 Volt Supply 45 20I Output 20 Volt Supply 46 GND Output Digital Ground 47 GND Output Digital Ground 48 GND Output Digital Ground 49 GNDEL Output Ground Return 50 GNDEL Output Digital Ground 51 RXDC Input Main Bd RXD Line for MSpO2 Module 52 TXDB Output Main Bd TXD Line for FSpO2 Module 53 TXDC Output Mai...

Страница 68: ... Buffered Data Line 72 D9B I O Buffered Data Line 73 D11B I O Buffered Data Line 74 5V Output 5 Volt Logic Supply 75 D13B I O Buffered Data Line 76 D15B I O Buffered Data Line 77 A2B Output Buffered Address Line 78 A4B Output Buffered Address Line 79 A6B Output Buffered Address Line 80 A8B Output Buffered Address Line 81 GND Output Digital Ground 82 A10B Output Buffered Address Line 83 A12B Output...

Страница 69: ...ssor Clock Line 16 20 MHz 93 5v Output 5 Volts Logic Power 94 20I Output 20 Volts 95 RESFP Output Front Panel Reset Line 96 GNDI Output 20 V Ground 97 12EL Output 12 EL Panel Supply 98 12EL Output 12 EL Panel Supply 99 GNDEL Output EL Panel Ground Return 100 GNDEL Output EL Panel Ground Return Table 4 5 DSP Board Connector J7 Continued Pin Number Signal Name Signal Type Relative To Main Motherboar...

Страница 70: ...ine 12 A3B Output Buffered Address Line 13 A5B Output Buffered Address Line 14 A7B Output Buffered Address Line 15 GND Output 5 Volt Power Ground Return 16 A9B Output Buffered Address Line 17 A11B Output Buffered Address Line 18 A13B Output Buffered Address Line 19 A15B Output Buffered Address Line 20 SP2B Output Spare Chip Select Line 21 SP4B Output Spare Chip Select Line 22 5V Output 5 Volt Logi...

Страница 71: ...al Ground 42 D1B I O Buffered Data Line 43 D3B I O Buffered Data Line 44 D5B I O Buffered Data Line 45 D7B I O Buffered Data Line 46 D9B I O Buffered Data Line 47 D11B I O Buffered Data Line 48 5V Output 5 Volt Logic Supply 49 D13B I O Buffered Data Line 50 D15B I O Buffered Data Line 51 A2B Output Buffered Address Line 52 A4B Output Buffered Address Line 53 A6B Output Buffered Address Line 54 A8B...

Страница 72: ... Output Main Motherboard TXD Line to NBP Module 69 CKE Output 20 MHz Clock 70 GND Output Digital Ground 71 No Connection 72 72kHz Output 72 kHz from US Board 73 RTSD Output Main Motherboard RTS Line to NBP Module 74 CTSD Input Main Motherboard CTS Line from NBP Module 75 GND Output Digital Ground 76 15V Output Volt Analog Supply 77 AGND Output 15 Volt Analog Supply 78 20I Output 20 Volts for Isola...

Страница 73: ...Address Line 12 A3B Output Buffered Address Line 13 A5B Output Buffered Address Line 14 A7B Output Buffered Address Line 15 GND Output 5 V Power Ground Return 16 A9B Output Buffered Address Line 17 A11B Output Buffered Address Line 18 A13B Output Buffered Address Line 19 A15B Output Buffered Address Line 20 SP2B Output Spare Chip Select Line 21 SP4B Output Spare Chip Select Line 22 5V Output 5 Vol...

Страница 74: ...uffered Data Line 43 D3B I O Buffered Data Line 44 D5B I O Buffered Data Line 45 D7B I O Buffered Data Line 46 D9B I O Buffered Data Line 47 D11B I O Buffered Data Line 48 5V Output 5 Volt Logic Supply 49 D13B I O Buffered Data Line 50 D15B I O Buffered Data Line 51 A2B Output Buffered Address Line 52 A4B Output Buffered Address Line 53 A6B Output Buffered Address Line 54 A8B Output Buffered Addre...

Страница 75: ...Processor DTACK Transfer Line 67 No Connection 68 No Connection 69 CKC Output 20 MHz Clock 70 GND Output Digital Ground 71 No Connection 72 No Connection 73 No Connection 74 No Connection 75 GND Output Digital Ground 76 15V Output 15 Volt Analog Supply 77 AGND Output Analog Supply 78 TECG Input Telemetry ECG 79 TOCO Input TOCO Telemetry 80 RESB Output Processor Controlled Reset Line RESB Table 4 7...

Страница 76: ...e 6 STB2 Output Strobe Line for 2nd Set of 256 Dots 1024 element 7 DOOR Input Door Closed Line Not Used 8 STB1 Output Strobe Line for 1st Set of 256 Dots 1024 element 9 GND Output Ground 10 BEO Output Printhead Enable Line 11 RECLK Output Recorder Serial Clock 2 5 MHz 12 LD Output Recorder Load Line 13 GND Output Ground 14 RES Output System Reset Line 15 RECDATA Output Recorder Data Line 16 HDSHUT...

Страница 77: ...g Remote Mark Ground Table 4 10 Fetal Acoustic Stimulator FAST Jack PH3 Pin Number Description Inner Conductor FAST Mark Input Line Outer Ring Mark Ground Table 4 11 FECG MECG Jack PH1 Pin Number Description Tip Conductor 1 FECG 80 dB Output Line Center Conductor 2 MECG 60 dB Output Line Outer Ring Ground Table 4 12 Legplate Connector J1 Pin Number Description 1 LA 2 ECG Common RL and RA 3 ECG Com...

Страница 78: ... internal timers is used externally for the ECG audio pin 113 of U33 For communications one USART is used for the Corolan interface and the other two are used for external RS 232C communication The address decoder consists of a 7032 PLD U20 which basically divides up the four programmable chip selects CS0 CS3 from the processor into all of the board selects The processor U33 is programmed such tha...

Страница 79: ...0 RTS line when ACD is inactive QUIET LINE Both the transmit and the receive clocks are provided by the 7960 The address detection circuitry consists of a buffer U17 series resistors R30 R35 and capacitors C120 C125 for static protection and address checking logic in U29 The address checking is done by reversing the GND and pull up voltages through the TEST line and reading back all 1s if lines ar...

Страница 80: ...he rest of the lines on the DSP connector route the ultrasound audio FECG80dB MECG60dB and the telemetry lines to the options interface communications connector and rear panel jacks RS 232C lines for the MSpO2 and FSpO2 modules are also present connects to channel C and B of 68C94 QUART on the DSP connector The front panel interface section is just part of the general processor interface data addr...

Страница 81: ...bling the external counter when a strobe line is turned on and automatically disabling the strobes and enable HDSHUT lines after a 6 1 ms timeout A buffer is also present which allows the paper out POUT and paper low PLOW lines to be read Logic for the QUART reset line ORs in U38 the system reset with the control latch reset to form a positive reset output to the QUART RS 232C Communications Secti...

Страница 82: ...30C52 DSP processor U27 32k x 16 system RAM U10 U11 128K x 16 flash ROM U8 U9 and two address decoder PALs U18 and U19 Decoder PAL U19 selects the RAM flash ROM and the front end control status locations BCS0 BCS3 RAM is decoded using DS data strobe flash ROM is decoded using PS program strobe and the remaining lines are decoded using IS I O strobe Pal U18 selects the I O for the status control se...

Страница 83: ...front end Twelve data clocks are then issued from the A D clocking in the 12 bit result The shift register clock for U16 and U17 is delayed through R12 C10 and U15 to provide the latch clock for U16 and U17 Data is then read by the processor through the IUP chip select line As a second function the clock signal is also used to clock serial mode and status information across the isolation barrier f...

Страница 84: ...zero The horizontal waveform is generated off the counter by decoding 320 The horizontal high time is then 20 words and off time one word The output of the horizontal counter clocks the vertical counter chain A decode of 262 is created to form the vertical pulse as well as clear the vertical counter A count of 262 was used instead of 256 to meet the EL panel specification for frame rate 72 Hz maxi...

Страница 85: ... Output Status Control Bus Chip Select 0 5 CS1 Output Status Control Bus Chip Select 1 6 CS2 Output Status Control Bus Chip Select 2 7 CS3 Output Status Control Bus Chip Select 3 8 5V Output 5 V Logic Supply 9 BRD Output Status Control Bus Read Line 10 BA1 Output Status Control Bus Address Line Bit 1 11 RESDSP Output DSP Board Reset Line 12 RESFR Output Unused 13 144KHZ Input Ultrasound 144 kHz Ou...

Страница 86: ...t Ultrasound Envelope CH1 40 AGND2 Output Analog Ground 41 No Connection Isolation Barrier 42 No Connection Isolation Barrier 43 No Connection Isolation Barrier 44 No Connection Isolation Barrier 45 No Connection Isolation Barrier 46 No Connection Isolation Barrier 47 GNDI Output Ground Input for Isolated Power Supply 48 GNDI Output Ground Input for Isolated Power Supply 49 20I Output 20 Volts Inp...

Страница 87: ... RTS Line To MSpO2 Module MSpO2 CTS 65 GND Output Digital Ground 66 5V Output 5 V Logic Supply 67 GND Output Digital Ground 68 GND Output Digital Ground 69 PACER Input Pace Maker Detection Signal 70 RXDB Input Main Motherboard RXD Line for FSpO2 Module 71 RESFSP02 Output Reset Line for Fetal Oximeter 72 No Connection Reset Line for Fetal Oximeter 73 15V Output 15 V Supply 74 15V Output 15 V Supply...

Страница 88: ...Barrier Pins 92 No Connection Isolation Barrier Pins 93 No Connection Isolation Barrier Pins 94 No Connection Isolation Barrier Pins 95 No Connection Isolation Barrier Pins 96 No Connection Isolation Barrier Pins 97 GNDI Output Ground Input for Isolated Power Supply 98 GNDI Output Ground Input for Isolated Power Supply 99 20I Output 20 Volts Input for Isolated Power Supply 100 20I Output 20 Volts ...

Страница 89: ...t Mode Select Line 2 TRST Input Test Reset Line 3 TDI Input Test Data Input Line 4 GND Output Power Ground 5 5V Output Presence Detect Line 6 No Connection Connector Key 7 TDO Output Test Data Output Line 8 GND Output Power Ground 9 TCK RET Output Test Clock Return Line 10 GND Output Power Ground Line 11 TCK Input Test Clock Input Line 10 MHz typical 12 GND Output Power Ground 13 EMU0 I O Emulatio...

Страница 90: ...ED Drive Output 7 HR2VOLDN HR2 Volume Down Switch Input 8 RECLED2 Recorder LED Drive Output 9 TEST Test Switch Input 10 GND Power Ground 11 UA REF UA Reference Switch Input 12 GND Power Ground 13 MARK Recorder Mark Input Signal 14 A Trim Knob Quadrature Switch Input Line 15 PADV Paper Advance Switch Input 16 B Trim Knob Quadrature Switch Input Line 17 RECON Recorder On Switch Input 18 ALRM CAN Ala...

Страница 91: ...ription 1 12EL 12 Volt Power 2 GNDEL Ground 3 GND Ground 4 No Connection 5 5V 5 Volt Supply 6 GNDEL Ground 7 VSYNCB Vertical Sync Line 8 GNDEL Ground 9 HSYNCB Horizontal Sync Line 10 GNDEL Ground 11 VCKB Video Clock 12 GNDEL Ground 13 VDATAB0 Video Data 14 GNDEL Ground 15 VDATAB1 Video Data 16 GNDEL Ground 17 VDATAB2 Video Data 18 GNDEL Ground 19 VDATAB3 Video Data 20 GNDEL Ground ...

Страница 92: ...switch When enabled 5 V flows through each of seven parallel high intensity amber LEDs and accompanying series current limiting resistors to provide a light above the strip chart recorder Table 4 17 EL Panel Connector J5 for 11888 Board Pin Number Signal Name Signal Description 1 12V 12 Volt Power 2 12V 12 Volt Power 3 5V 5 Volt Power 4 5V 5 Volt Power 5 GND Power Ground 6 GND Power Ground 7 GND P...

Страница 93: ... the A D converter and processor AC Amplifier and Filter The output of the 18 Hz low pass filter also provides the input to a two stage high pass filter U13 with gain and baseline restoration Both stages are composed of a 0 7 Hz R C high pass filter buffered by a non inverting amplifier The first stage buffer amplifier has a gain of 82 6 and the second stage operates at unity gain This filter chai...

Страница 94: ...l X2 and the internal PLL circuitry of the controller Power on reset is provided by a Maxim MAX707 chip U4 With the exception of the six I O port lines used for MUX selection and the AC signal clamps other control functions of devices like the valves and pump are done through the NBP ASIC U9 The processor accesses this device through the 8 bit data bus Host communications are provided by the SCI i...

Страница 95: ...roprocessor has an internal clock divider that divides down the 9 216 MHz crystal controlled clock to 4 608 MHz One section of U6 also divides down the clock to provide 2 304 MHz to analog to digital A D converter U4 Memory consists of 64k x 8 EPROM U2 and 8k x 8 bit RAM U3 Decoding of the processor s address lines is performed by U8 U9 U10 and U11 which select the EPROM RAM A D pump and valve dri...

Страница 96: ...ents the static pressure in the cuff The other channel has higher gain and represents the cuff pressure changes caused by arterial volume changes The outputs of the instrumentation amplifier are sent to the processor The processor can disable the high gain channel during cuff deflation to prevent signal distortion Valves Valves V1 and V2 vent the cuff s pressure to atmosphere Two valves are requir...

Страница 97: ... U3 pin 7 U3 pin 10 and U4 pin 7 level shift and invert the signal providing a 10 V signal for a programmed value of zero and 10 V signal for a programmed value of FF The final output is filtered and protected by series resistors The HR1 and HR2 outputs use DAC U5 The output of the first stage U7 pin 1 and U7 pin 16 range from 0 V to 10 V with a programmed value of zero to FF respectively From thi...

Страница 98: ...processor clears the IBF latch This gives the processor time to read the data and activate the INVLD line if the nibble was bad before the next nibble is sent Control information is sent to the keyboard via three lines from latch U6 A KBDRST line resets the keyboard a KBDBUSY tells the keyboard to put up a busy message due to recorder being off or busy printing previous message and a KBDINVLD tell...

Страница 99: ...15 Volts Low Current 6 No Connection 7 HR1 Output Heart Rate One Analog Out 8 BAUD2OUT Output Ultrasound Audio CH1 9 BAUD1OUT Output Ultrasound Audio CH2 10 No Connection 11 No Connection 12 5V Output 5 Volts Low Current 13 No Connection 14 FMD1 Output Fetal Movement Detection CH1 15 FMD2 Output Fetal Movement Detection CH2 16 No Connection 17 HR1MODE Output HR1 Analog Mode Line 18 CHK PAPER Outpu...

Страница 100: ...eyboard when Monitor is Busy 5 KBDINVLD Output Sent to Keyboard when Monitor Receives Invalid Message 6 KBDRST Output Resets Keyboard 7 KBDMARK Input Mark Signal from Keyboard 8 KBDIN Input Keyboard Asserts this Line to Indicate its Presence 9 KBD0 Input LSB of Keyboard Data 10 KBD1 Input Bit 1 of Keyboard Data 11 KBD2 Input Bit 2 of Keyboard Data 12 KBD3 Input Bit 3 of Keyboard Data 13 KBD4 Input...

Страница 101: ...t Active Low 3 TFECGEN Input Telemetry FECG Enable Active Low 4 TMECG Input Telemetry MECG 5 TECG Input Telemetry ECG Analog 6 TTOCO Input Telemetry TOCO Analog 7 AGND Output Analog Ground 8 TELMAUDIO Input Telemetry Audio 9 DGND Output Digital Ground 10 TMECGEN Input Telemetry MECG Enable Active Low 11 TTOCOEN Input Telemetry TOCO Enable Active Low 12 TUSEN Input Telemetry US Enable Active Low 13...

Страница 102: ...igned to provide multiple regulated DC outputs from an AC source of supply The power supply assembly is manufactured by Power Controls Inc The power supply incorporates direct rectification and filtering of the mains voltage after fusing in rush limiting and noise filtering are accomplished An external selector switch is provided to choose between 120 V or 240 V operation The input AC voltage need...

Страница 103: ... of 80 pixels per inch The pixel aspect ratio is 1 1 A pixel is defined as the intersecting area between the column and row electrode The Controller Power Unit contains an integrated dc to dc converter which accepts the Vcc1 and Vcc2 supply voltages from the DSP Board Voltage Vcc1 5 V is used for the logic on the two display boards Voltage Vcc2 12 V generates the high voltage section not to exceed...

Страница 104: ... ultrasound envelope is sent to the DSP Board for heart rate processing The center frequency of the transmitted carrier is 1 151 MHz with a pulse repetition frequency of 4 kHz single channel use or 2 kHz per channel dual channel use The total transmit and receive process is 250 µs which is broken down as follows 90 µs transmit pulse wave Doppler 40 µs wait state 90 µs receive reflected signals 30 ...

Страница 105: ... is ignored if only one channel A or B is selected When A and B are both active the state change of USMODE every 1024 clock cycles will alternately activate signals PIN1 and PIN2 Signals PIN1 and PIN2 are used to control the pin diode switches which in turn selects which of the two channels is active for transmitting and receiving The signal TRANS is a gated square wave with a frequency of 1 151 M...

Страница 106: ...biased by the current through R1 The anode of D2 must then be at ground potential due to the 600 mV at its cathode The current through D2 will be approximately 15 mA since the 6V applied to the anode of D2 is through a 402 Ω resistor R3 6V 402 14 9 mA D3 and D4 will be off at this time since their cathodes are at 6 V and their anodes are at 0 V The 15 mA flowing through D1 and D2 stores charge in ...

Страница 107: ...s doubled but the noise adds in quadrature The output load of the pre amplifier at the collector of Q5 consists of inductor L1 and capacitor C14 which forms a parallel resonant tank circuit with an impedance of approximately 10 kΩ Transistor Q6 splits the pre amplifier s output providing a 0 degree and 180 degree differential output to switch U11 Diodes D6 and D7 protect Q7 and clamp the voltage a...

Страница 108: ... A shall apply to Channel B as well Main Filters The main filters for Channel A are band pass filters consisting of four stages two 2 pole low pass two 2 pole high pass of U3 and associated components The 3 dB points are at 100 Hz and 300 Hz with rolloffs of 24 dB octave for both high and low frequencies A variable resistor R37 is used to set the overall gain between the detector output and TP1 to...

Страница 109: ...lar signal which follows the low frequency amplitude variations or envelope of the output from the AGC chip The filter is biased for an output of 10 V with a no input signal condition This provides the 10 V to 10 V input required by the A D converter on the DSP Board The US1 ENV output from this filter connects to the DSP Board for heart rate processing Fetal Movement Filters The input to the Chan...

Страница 110: ...e but opposite polarity which causes the output of the resistors to be 0 V Common mode signals however are of the same polarity and add together at the output This common mode voltage from the resistor network is buffered by the first stage of U11 This voltage is inverted and integrated by the second stage of U11 which is fed back to the patient as the right leg drive signal The 332 kΩ output resi...

Страница 111: ...d low pass filter from two sections of U22 a 12 bit serial A D converter U9 and a precision 4 V bridge power supply from another section of U22 The differential output from the IUP or TOCO bridge is amplified by the instrumentation amplifier U12 which has a gain of 100 The output of U12 is additionally amplified by a stage of U22 with a gain of 15 making the total gain of the UA front end 1500 Aft...

Страница 112: ...d from the A D and from U7 serial data transferred from the unisolated circuitry by opto isolator U7 is clocked into U8 which also shares the common serial clock After the data has been shifted into the shift register section of U8 the next convert pulse to the A D will transfer the shift register outputs to the output latch section of this part The latched outputs of U8 provide control signals fo...

Страница 113: ...TREF 4 V Reference Ground 6 BRGEXCIT 4 V Reference 7 PRESS Negative Input to Pressure Amplifier 8 STRAIN GAUGE IUP Mode Enable 9 AGND Analog Ground 10 FRA Fetal Right Arm Input 11 No Connection 12 B EN Mode Input Unused 13 FECG ENABLE FECG Mode Enable 14 MECG2 ENABLE Model 116 MECG Mode Enable 15 AGND Analog Ground 16 PRESS Positive Input to Pressure Amplifier 17 TOCO TOCO Mode Enable 18 SENSE Spa...

Страница 114: ...ontrol Bus Chip Select 2 7 CS3 Status Control Bus Chip Select 3 8 5V 5 V Logic Supply 9 BRD Status Control Bus Read Line 10 BA1 Status Control Bus Address Line Bit 1 11 RES Reset Line 12 RESFR Unused 13 No Connection 14 72KHZ 72 kHz Sync Clock 15 5V 5 V Logic Supply 16 No Connection 17 5V 5 V Logic Supply 18 IUP CLK IUP Clock 19 CVRT IUP Start Conversion Line 20 IUP DATA IUP Serial Data 21 AGND An...

Страница 115: ...No Connection 46 No Connection 47 No Connection 48 15VISOL 15 V Isolated Supply 49 ISOGND Isolated Ground 50 15VISOL 15 V Isolated Supply 51 5V 5 V Supply 52 BD0 Status Control Data Bus Bit 0 53 BD1 Status Control Data Bus Bit 1 54 BD2 Status Control Data Bus Bit 2 55 BD3 Status Control Data Bus Bit 3 56 BD4 Status Control Data Bus Bit 4 57 BD5 Status Control Data Bus Bit 5 58 5V 5 V Supply 59 BWR...

Страница 116: ... 75 AGND Analog Ground 76 15US 15 V Supply 77 15V 15 V Supply 78 AGND Analog Ground 79 No Connection 80 10REF 10 V Reference 81 AGND Analog Ground 82 AGND Analog Ground 83 No Connection 84 MECG 60DB MECG 60 dB Analog 85 AIN1 Spare MUX Input Channel 1 86 AIN2 Spare MUX Input Channel 2 87 AIN3 Spare MUX Input Channel 3 88 AIN4 Spare MUX Input Channel 4 89 AIN5 Spare MUX Input Channel 5 90 AGND Analo...

Страница 117: ...oard 93 No Connection 94 No Connection 95 No Connection 96 No Connection 97 No Connection 98 15VISOL2 15 V Isolated Power Supply 99 ISOGND2 Isolated Ground 100 15VISOL2 15 V Isolated Power Supply Table 4 22 Front End Motherboard Connector J3 Continued Pin Number Signal Name Signal Description ...

Страница 118: ... 1 7 SEL2 MECG Lead Select Bit 2 8 PACEMAKER ON Pacemaker Enable Line 9 15ISOL 15 V Isolated Power Supply 10 15VISOL 15 V Isolated Power Supply 11 AGND Analog Ground 12 No Connection 13 TEST PULSE MECG Test Waveform 14 BOARD INSTALLED MECG Board Installed 15 5VISOL 5 V Isolated Power Supply 16 No Connection Table 4 24 MECG Board Connector J6 PIN NUMBER SIGNAL NAME SIGNAL DESCRIPTION 1 MECG1 MECG A...

Страница 119: ... 10 V reference levels In conjunction with the series 1 kΩ resistors these diodes will limit the input to the remaining circuitry to 10 V Capacitors C5 C10 are used to dampen the voltage variation to the 10 V diode references caused by the high amplitude short duration waveforms normally associated with defibrillators Input Lead Switching Lead switching is accomplished by a pair of dual analog mul...

Страница 120: ...oltages of the feedback diodes 9 9 V and the maximum voltage at pin 13 the output must reach 10 5 V before the limiting diodes conduct and short out R38 making U6 a unity gain amplifier Both the input limiter and the feedback limiter are used to reduce the overload recovery time of amplifier U6 from pacemaker spikes or other large signals With the pacemaker rejection turned off the output of U6 co...

Страница 121: ...the ECG waveform The high pass function from C28 and R50 attenuates the ECG while allowing the pacemaker pulses to pass through with only minimal reduction in amplitude The output of the differentiator is buffered by a section of U5 which is configured as a unity gain non inverting amplifier The buffered output connects to two comparators formed from two op amps of U5 one with a positive threshold...

Страница 122: ...R69 and capacitor C39 The output of the limiter is buffered by a unity gain non inverting amplifier from an op amp of U6 The output of this buffer connects through FET switch U2 to a single pole 97 Hz low pass filter composed of resistor R65 and capacitor C37 This filter is buffered by the common output stage from the op amp of U6 that provides the output of the ECG amplifier When the pacemaker de...

Страница 123: ...of detection relies on the right leg drive providing a saturated output to the patient The right leg drive past limiting resistor R14 is buffered for detection by a unity gain non inverting amplifier from one section of op amp U10 If the right leg drive itself is the disconnected lead it will also provide a saturated output trying to cancel the common mode input voltage The actual leads off detect...

Страница 124: ... the LED photodiode pair within its linear operating range A stage of U6 along with current driver Q3 drives the LED section of the opto isolator with the divided input signal C44 in the feedback of U6 limits the slew rate of the op amp to prevent oscillations caused by feedback delays associated with the opto isolator The anode of the LED connects to the emitter of Q3 which can sink current to th...

Страница 125: ... resistor divider R133 and R134 to accommodate the input range of U15 a switched capacitor notch filter Using a standard 3 579545 MHz color burst oscillator crystal X1 this filter can provide a selectable 40 dB notch at either 50 or 60 Hz by the simple grounding of one pin The 50 60 Hz selection is done through Q4 which is controlled by circuitry on the FECG UA Board The supplies for U15 are gener...

Страница 126: ...ower Supply 3 AGND Analog Ground 4 PACEMAKER DET Pacemaker Detection Signal 5 LEADSOFF Leads Off Detection Signal 6 SEL1 MECG Lead Select Bit 1 7 SEL2 MECG Lead Select Bit 2 8 PACEMAKER ON Pacemaker Enable Line 9 15ISOL 15 V Isolated Power Supply 10 15VISOL 15 V Isolated Power Supply 11 AGND Analog Ground 12 No Connection 13 TEST PULSE MECG Test Waveform 14 BOARD INSTALLED MECG Board Installed 15 ...

Страница 127: ...CG1 MECG Analog 2 15V 15 V Supply 3 15V 15 V Supply 4 AGND Analog Ground 5 50 60HZ MECG 50 60 Hz Filter Control Bit 6 15V 15 V Supply 7 15V 15 V Supply 8 AGND Analog Ground Table 4 27 MECG Patient Input Connector J7 Pin Number Signal Name Signal Description 1 MECG SHIELD Isolated Ground 2 MRL Maternal Right Leg Drive 3 MLA Maternal Left Arm Drive 4 MRA Maternal Right Arm Drive ...

Страница 128: ... B 2015590 001 Theory of Operation Oximeter Carrier Board Oximeter Carrier Board Optical isolators provide the RS 232C interface between the Front End Motherboard and the MSpO2 Board The Isolated Power Supply Board provides the 15 V and 5 V signals ...

Страница 129: ...our Corometrics Service Representative for information about repair exchange of the module LED Driver Circuitry This circuitry controls the on and off pulsing of the infrared and red LEDs at the measurement site Signals REDLED and IRLED alternately close FET switches U4A and U4B respectively The LED drive voltages are developed by dual DAC U1 The LEDs operate in a four phase sequence as follows 18...

Страница 130: ...If COMPARE2 exceeds 10 V the modules s microprocessor reduces U13A gain The microprocessor may also reduce LED drive for one LED if necessary The SAT signal is finally coupled to the synchronous detector comprised of U10B U14A and associated resistors When the positive input of U14A is grounded by U10B the device is an inverting amplifier with a gain of one When this input is not grounded the devi...

Страница 131: ...2 voltage or the analog pulse waveform IR ADC from the infrared filter amplifier channel These selections are determined by the configuration of quad FET switch U24 Switching is controlled by the signal RESISTORS The output bit serial stream multiplexing of U20 is determined by logic signal ADCCHN which determines the channel present on the ADCDATA line The ADCDATA line is coupled directly to micr...

Страница 132: ...ypoxia studies The Masimo SET MS 5 pulse oximeter assumes that arterio venous shunting is highly variable and that fluctuating absorbance by venous blood is the major component of noise during the pulse MS 5 decomposes S 660 and S 940 into an arterial signal plus a noise component and calculates the ratio of the arterial signals without the noise S 660 S1 N1 S 940 S2 N2 R S1 S2 Again R is the rati...

Страница 133: ...g figure where R corresponds to SpO2 97 The DST plot has two peaks the peak corresponding to the higher saturation is selected as the SpO2 value This entire sequence is repeated once every two seconds on the most recent four seconds of raw data The MS 5 SpO2 therefore corresponds to a running average of arterial hemoglobin saturation that is updated every two seconds ...

Страница 134: ...ill be totally off duty cycle 0 Above 0 9 volts the switch will turn on at each oscillator cycle then tun off when the switch current reaches a trip level set by the Vc voltage The control loop frequency compensation is performed by R2 and C6 The VFB feedback pin of U4 is the inverting input to a single stage error amplifier The non inverting input to this amplifier is internally tied to a 1 244 v...

Страница 135: ...page requirements of I E C 601 1 Its breakdown voltage is 3000 VAC 1 minute primary to secondary The primary inductance is 30 µH at 1 kHz At the supplies maximum load the peak primary current is approximately 5 9 A The output rectifiers are D7 9 They are silicon ultra fast switching rectifiers with a maximum peak reverse voltage of 100 V The main 15 V outputs 15VISO 15VISO and the secondary 15 V o...

Страница 136: ...n of U4 wants to be at 1 244 V to close the loop R10 and R11 divides down the main 15 V unregulated output to 1 245 V U1 and R9 source current into the IRLED R12 and the internal PIN photodiode of U2 close the loop around U1 C21 provides some high frequency roll off for amplifier U1 VR4 and C19 provide a steady 5 Vdc supply that is used by the isolated PIN photodiode of the linear optocoupler and ...

Страница 137: ...ioned above this circuit limits the amount of current the supply can dump into the output filter capacitors during power up thus reducing the overall in rush current Input Filter Isolation Barrier An LC filter C1 L3 is placed between the 20VDC input supply and the 20I voltage that powers the switching supply This filter prevents noise from the switching supply from getting out on the 20VDC supply ...

Страница 138: ...GNDI Power Ground earth 8 GNDI Power Ground earth 9 GNDI Power Ground earth 10 GNDI Power Ground earth 11 GNDI Power Ground earth 12 GNDI Power Ground earth 13 GNDI Power Ground earth 14 GNDI Power Ground earth 15 GNDI Power Ground earth 16 GNDI Power Ground earth 17 GNDI Power Ground earth 18 GNDI Power Ground earth 19 GNDI Power Ground earth 20 GNDI Power Ground earth 21 RESET Sync Clock Disable...

Страница 139: ... 15VISO2 Isolated 15 Vdc 2 7 No Connection 8 No Connection 9 15VISO Isolated 15 Vdc 1 10 15VISO Isolated 15 Vdc 1 11 ISOGND Return for Outputs 1 12 ISOGND Return for Outputs 1 13 15VISO Isolated 15 Vdc 1 14 15VISO Isolated 15Vdc 1 15 No Connection 16 15MSPO2 MSpO2 15 Vdc 17 No Connection 18 GNDMSPO2 Return for Maternal SpO2 15 Vdc 19 No Connection 20 15MSPO2 MSpO2 15 Vdc 21 No Connection 22 No Con...

Страница 140: ...ter R2 This output powers the heating elements in the thermal printhead Since printheads very in average resistance this voltage is calibrated to the value required by the particular printhead installed A variety of safeguards shut down the printhead heating element supply VHD under various conditions to protect the printhead When the 5 V supply to the logic circuitry is low diode D1 will not be f...

Страница 141: ...umber Signal Name Signal Description 1 5VM 5 Volt Supply for Motor 2 5VM 5 Volt Supply for Motor 3 GNDM Motor Ground 4 GNDM Motor Ground 5 GNDH Ground for Head Regulator 6 GNDH Ground for Head Regulator 7 GNDVR Ground for Logic 8 5VR 5 Volt Supply for Logic 9 22VH 22 Volt Supply for Head Regulator 10 22VH 22 Volt Supply for Head Regulator ...

Страница 142: ...Return 5 STRB4 Strobe Line for 4th Set of 256 Dots 6 STRB3 Strobe Line for 3rd Set of 256 Dots 7 GNDVR Logic Ground 8 5VR 5 V for Logic 9 No Connection 10 No Connection 11 STRB2 Strobe Line for 2nd Set of 256 Dots 12 STRB1 Strobe line for 1st set of 256 dots 13 CK Ground 14 LDD Recorder Load Line 15 BEOB Head Data Enable Line Active High 16 DATA Recorder Data Line 17 GNDH VHEAD Supply Ground Retur...

Страница 143: ...ut pin 2 PC Motor Phase 3 3 PD Motor Phase 4 4 VM 5 V 5 No Connection 6 PB Motor Phase 2 7 PA Motor Phase 1 8 VM 5 V Table 4 33 Paper Low Sensor Connector J5 Pin Number Signal Name Signal Description 1 OPTOA LED 2 GNDVR LED 3 GNDVR Emitter 4 OUTPUT Collector Table 4 34 Paper Out Sensor Connector J6 Pin Number Signal Name Signal Description 1 OPTOA LED 2 GNDVR LED 3 GNDVR Emitter 4 OUTPUT Collector...

Страница 144: ...r Signal Name Signal Description 1 No Connection Key 2 PLOAD Collector of Sensor 3 LED LED of Sensor 4 GND Ground Table 4 36 Test Connector J9 Pin Number Signal Name Signal Description 1 VH Head Supply Voltage 2 HGND Head Supply Ground 3 POUT Paper Out Test Point 4 PLOW Paper Low Test Point 5 DGND Digital Ground 6 PLOAD Paper Tray Sensor Test Point ...

Страница 145: ...the 120 Series Monitor as well as information about tailoring the monitor to meet the individual needs of the hospital This section contains the following information Loading Strip Chart Recorder Paper 5 2 Mounting a Strain Gauge for IUP Monitoring 5 5 User Setup Screens 5 6 FSpO2 Setup Screen 5 19 Service Mode Screens 5 25 Hardware Switches 5 34 ...

Страница 146: ...ces particle build up on the printhead and facilitates opening the recorder door To protect against paper jams the 120 Series recorder contains a paper loading sensor which detects if the paper has been incorrectly loaded When the recorder detects a paper load error condition the recorder will not print the Record indicator flashes on and off every second three short chimes sound every three secon...

Страница 147: ...own on the latch on the right side of the strip chart recorder door Pressing this latch causes the recorder door to open 2 Fan the pack of Z fold paper on all sides to loosen any folds and to ensure proper feed of the paper through the recorder 3 Hold the package of paper so that the black squares are on the bottom of the pack and the Corometrics logo and page numbers are on the left side of the p...

Страница 148: ...Setup Procedures Loading Strip Chart Recorder Paper NOTE The paper is marked This side up for 120 Series 4 Unfold two sheets from the top of the package so that they extend toward you 5 Place the pack in the drawer so that the pack is laying flat in the recorder ...

Страница 149: ...0 001 Setup Procedures Mounting a Strain Gauge for IUP Monitoring 6 Slowly close the strip chart recorder door being careful not to skew the paper Mounting a Strain Gauge for IUP Monitoring To mount a strain gauge post refer to the manufacturer s directions ...

Страница 150: ...FSpO2 MECG or PULSE To access the Master Alarm Setup screen or the General Setup screen rotate the Trim Knob control until the bar cursor highlights the ALARMS softkey or the SETUP softkey respectively on the bottom of the screen 2 Press the Trim Knob control once to display the selected setup screen 3 While the screen is displayed rotate the Trim Knob control until the desired field is highlighte...

Страница 151: ...yed only an audio alarm if enabled is issued Upon exiting the setup screen the visual alarm indication is shown Example If the NBP Setup screen is displayed the primary labor parameters continue to be displayed as well as the maternal NBP area of the screen Under an alarm condition that affects NBP both a visual and audible if enabled alarm will be issued Under an alarm condition that affects MSpO...

Страница 152: ...m FECG This works in conjunction with the four front panel Volume pushbuttons FHR Alarm Limits These fields adjust the high and low alarm limits for FHR NOTE The FHR1 and FHR2 alarm limits are set independently of each other FHR Audio Alarm This field enables disables the audio alarm function for FHR when derived from FECG On Visual and audible indications are provided during an FHR alarm conditio...

Страница 153: ...te Offset This field is used to shift the secondary FHR trend 20 BPM to facilitate viewing overlapping trends This field provides an alternative to using the front panel Mark Offset button On Shifts the secondary FHR trend 20 BPM 10 Min Shifts the secondary FHR trend 20 BPM After 10 minutes the trend automatically returns to the unshifted position Off Returns the secondary FHR trend to the unshift...

Страница 154: ... This field works in conjunction with the front panel Volume buttons FHR Audio Alarm This field enables disables the audio alarm function for FHR when derived from US US2 On Visual and audible indications are provided during an FHR alarm condition Off Only a visual indication is provided during an FHR alarm condition Alarm Volume This field controls the alarm volume for Ultrasound alarms ...

Страница 155: ...r example if the monitor is configured for manual mode and one hour has elapsed since the last reading the continuous display of the old NBP reading may cause confusion Mode This field alternates between the manual and automatic monitoring modes for maternal blood pressure For auto mode this field also sets the interval time in minutes between automatic blood pressure determinations This interval ...

Страница 156: ...Alarm Limits These fields adjust the high and low alarm limits for maternal systolic diastolic and mean arterial pressures as well as for MHR P in increments of 5 mmHg or 5 BPM Audio Alarm This field enables disables the audio alarm function for blood pressure On Visual and audible indications are provided during an alarm condition Off Only a visual indication is provided during an alarm condition...

Страница 157: ...eraging period and is least affected by patient movement When this setting is selected dashes replace the pulse value displayed in the MHR P area Normal Uses a 5 to 7 second averaging period and is recommended in cases where the patient is relatively inactive Fast Uses a 2 to 3 second averaging period and is most affected by patient movement Sensitivity Masimo Module Only This menu option appears ...

Страница 158: ... seconds These averaging selections are most affected by patient movement Print Interval This setting determines the time interval for printing the MSpO2 values on the strip chart paper O2 Trace This setting enables or disables the printing of the MSpO2 trend on the bottom grid of the strip chart paper On The MSpO2 trend prints in grey and is annotated with MSpO2 Off The MSpO2 trend is not printed...

Страница 159: ...lity and use in the following order MECG MSpO2 then NBP If a source is not available the next available source is automatically selected IMPORTANT WAVEFORM The MHR P Source field is independent of the waveform selected on the normal operating screen For example you can select MECG as the MHR P source yet display the MSpO2 plethysmograph waveform Or you can select MSpO2 as the source and display ME...

Страница 160: ...ff Only a visual indication is provided during an MHR P alarm condition Alarm Volume This field controls the alarm volume MECG Lead This field selects the ECG lead configuration The lead can also be selected from the MECG Lead Softkey on the normal operating screen Lead I refers to the potential between the left arm and the right arm Lead II refers to the potential between the right arm and left l...

Страница 161: ... be displayed and may be included in the heart rate calculation On Use this setting for a patient who has a pacemaker The monitor rejects the pacer spike from the heart rate calculation and replaces the actual pacer spike with a pacer event mark in addition the letter P is displayed prior to the waveform speed Figure 5 7 shows an example of an MECG waveform with the MECG pacer ON Response Time Fig...

Страница 162: ...ded for an alarm On Both visual and audible if enabled indications are provided for an alarm condition Re Alarm When an audio alarm is cancelled using the Alarm Silence pushbutton the audible indication is removed However for MECG and MSpO2 monitoring and during a paper load error condition an alarm will be re issued if the alarm state continues after a specified amount of time This field adjusts ...

Страница 163: ...ond to changes in fetal oxygen saturation Slow The FSpO2 display responds to step changes in the fetal saturation with approximately 120 accepted pulses or in about 50 seconds at 150 BPM Fast The FSpO2 display responds to step changes in the fetal saturation with approximately 30 accepted pulses or in about 11 seconds at 150 BPM The factory default setting is SLOW When signal quality is poor the r...

Страница 164: ...e waveform area which would otherwise display about 4 seconds of information is reduced to show approximately 2 5 seconds of waveform data Refer to Figure 6 5 FSpO2 Status Icons A status icon may appear above the FSpO2 value to provide additional information Usually the message area will be blank however the icons representing Sensor Unplugged Sensor Lifted or Searching for Fetal Pulse can appear ...

Страница 165: ...l Pulse Oximetry Figure 5 12 Simultaneous Display of Fetal and Maternal Pulse Oximetry 165 172 30 47 FSpO2 EXIT US FECG TOCO RESPONSE TIME SLOW PRINT INTERVAL 5 MIN O2 TRACE OFF FSpO2 SETUP MODE FSp02 165 US 172 30 89 130 97 US2 25mm s 02 15 03 22 45 HBC FMD MECG PRINT FREEZE ALARMS SETUP VSHX NBP MECG TOCO MSpO2 85 II 2X 53 ...

Страница 166: ... the date on your monitor prior to initial use The month field has a range from 01 12 the range for the day field varies according to the selection for month and year the year field has a range of 00 99 A long lasting battery maintains the date even when the monitor is unplugged from AC power Song Player You can activate a song to be played from the monitor s speaker to celebrate each birth Song P...

Страница 167: ...is field enables disables an audible tone to indicate a low paper or out of paper condition Recorder Light This field turns the recorder light on and off This light permits the room lights to be dimmed without sacrificing visibility of the strip chart recorder A patient can remain resting without the disturbance of overhead lights while a nurse or physician checks the strip chart IMPORTANT RECORDE...

Страница 168: ...ds MSpO2 Print Interval This field sets the time interval for printing MSpO2 values received from an external maternal pulse oximetry monitor FSpO2 Print Interval This field sets the time interval for printing FSpO2 values received from an external fetal pulse oximetry monitor FSpO2 Trace This field enables disables FSpO2 trend trace printing of data received from an external fetal pulse oximetry ...

Страница 169: ...ss the remaining service screens A password is required to prevent unauthorized users from accessing the service mode screens To display the Service Lock screen 1 Select the SERVICE softkey from the General Setup screen 2 The Service Lock screen appears and the access code is displayed as 0 0 0 0 3 Use the Trim Knob control to set the access code to the current month and day For example April 23 i...

Страница 170: ...nable disable Corolan address checking circuitry enable disable the heartbeat coincidence feature enable disable the Smart BP feature select between real time and chart style vital signs history intervals select the recorder font size select between fetal alerts and alarms if the Spectra Alerts option is installed enable disable the alert suspend feature if the Spectra Alerts option is installed p...

Страница 171: ...tor is turned on again Current Last Used Settings If you monitor intermittently and configure the monitor for each patient the CURRENT option may be right for you This option causes the monitor to power up with the last used settings stored in battery backed memory Hospital Defaults The NEW HOSPITAL option allows your hospital to configure its own set of preferences to be used each time the monito...

Страница 172: ...heart rate values are printed on the strip chart paper without regard to previous rates Scaling This field is used to set the heart rate scale for the strip chart paper Use the Trim Knob control to alternate between 30 240 BPM cm and 50 210 BPM cm The monitor is factory set for the country in which it is being used The MSpO2 trend expanded scale is also affected by this setting When the heart rate...

Страница 173: ... the operator s manual for information about activating the heart rate offset mode Default TOCO Reference This field sets the default uterine activity pressure reference for the tocotransducer Use the Trim Knob control to cycle through the available settings 5 10 15 20 or 25 relative units The factory default setting is 10 relative units When using a tocotransducer momentary depression of the UA R...

Страница 174: ...ionship for equal to or greater than 60 of the detected beats for about 60 seconds the cessation of coincidence is indicated when the phase relationship is inconsistent for greater than 40 of the detected beats for about seven seconds When heartbeat coincidence detection is enabled the acronym HBC appears to the right of the FHR2 mode title Smart BP Models 128 and 129 have a Smart BP feature which...

Страница 175: ...sabled users are unable to suspend audio alerts On enabled users can manually activate de activate the function Printing System Setup Information Use the Trim Knob control to select the PRINTALL softkey on the bottom of the Install Options screen to see an overall summary of the monitor s setup screens A screen capture of each system setup screen user and service is printed on the strip chart pape...

Страница 176: ... 120 Series Maternal Fetal Monitor Revision B 2015590 001 Setup Procedures Service Mode Screens Figure 5 16 shows a portion of a sample printout Figure 5 16 Install Options Portion of System Setup Printout ...

Страница 177: ...rim Knob control to cycle through the available settings 600 1200 2400 4800 9600 and 19 200 bps Each port is factory set to 2400 bps Refer to Chapter 11 Peripheral Devices for more information about configuring this field Mode This field selects the mode for communication with an external device Use the Trim Knob control to cycle through the available settings NELLCOR FACTORY CRITIKON 1371 1371 NO...

Страница 178: ...20 Series Monitor and disconnect the power cord from the monitor 2 Remove the nine screws which secure the monitor top cover Four screws are located on the bottom of the monitor and five screws are located in the back 3 Remove the cover by sliding it toward the rear of the monitor 4 Set the switches according to Table 5 1 5 Replace the monitor top cover and secure with all nine screws 6 Re connect...

Страница 179: ...elf Test Routine 6 3 Front Panel Pushbutton Test 6 5 Connecting the Simulator 6 6 MECG Test 6 7 FECG Test 6 11 Ultrasound Test 6 16 Fetal Movement Detection Test 6 19 Ultrasound Transducer Test 6 21 Uterine Activity Test 6 22 Tocotransducer Test 6 25 Strain Gauge Transducer Test 6 26 Pattern Memory Test 6 27 Dual Heart Rate Test Non Pattern 6 28 Alarm Test 6 32 MSpO2 Test 6 35 NBP Test 6 35 Preven...

Страница 180: ... described in this section This procedure should be completed prior to initially placing the monitor on a patient when monitor performance needs to be verified on a semi annual basis or more frequently as dictated by your equipment maintenance and management policies Equipment Required The following items are necessary for performing any of the tests in this procedure Corometrics Model 325 Simulat...

Страница 181: ... All display pixels illuminate for one second and then all are extinguished for one second Afterwards a vertical line moves across the screen from left to right followed by a horizontal line moving from top to bottom The display then remains black The yellow Record indicator illuminates The message TEST ARE ALL DOTS PRINTED is printed followed by two vertical lines which should appear continuous D...

Страница 182: ...shbutton was depressed NOTE To disable the test depress the Test pushbutton or open the recorder door NOTE If the simulated fetal heart rate trends do not appear in the correct positions on the strip chart recorder paper ensure the monitor s vertical scale setting matches the type of paper being used i e 30 BPM cm or 20 BPM cm Refer to Install Options Screen on page 5 26 Figure 6 1 120 Series Self...

Страница 183: ... manual The recorder prints the messages CARDIO INOP and UA INOP indicating that no ultrasound ECG or uterine activity transducers are plugged into the front panel US US2 FECG MECG or UA connectors The recorder prints the message 1 CM MIN indicating the selected chart speed 5 Depress and hold the monitor s front panel Paper Advance pushbutton and verify that the recorder paper advances at a rate o...

Страница 184: ...n the rear panel of the simulator plug the other end of the power cord into a properly grounded wall outlet of appropriate voltage 3 Ensure the 120 Series Monitor Power switch is in the off position 4 Connect the simulator interconnect cable s 50 pin end to the simulator s Fetal Monitor connector 5 Insert the green plug of the FECG MECG adapter cable cat no REF 1442AAO into the monitor s FECG MECG...

Страница 185: ...he MHR heartbeat indicator flashes at a rate of 30 times per minute The UA mode is TOCO 6 Access the Install Options screen and note the default TOCO reference value 7 Press the monitor s front panel UA Reference pushbutton 8 Verify the following on the monitor The UA value is referenced to the default value The recorder prints a continuous line at the default value on the bottom grid of the strip...

Страница 186: ...monitor The MHR value oscillates by 15 BPM The MHR heartbeat indicator flashes for each input signal The ECG beep is heard from the rear panel speaker the volume can be adjusted on the MHR P Setup screen The recorder prints an oscillation of 15 BPM between 115 and 130 BPM on the top grid of the strip chart paper Refer to Figure 6 3 14 Repeat step 13 for rate values of 22 and 27 The results should ...

Страница 187: ...on Disconnect the ECG simulator sub cable from the monitor s y adapter cable Verify the following on the monitor The MHR P value and mode are both blank The recorder stops printing maternal heart rate data on the strip chart paper The recorder prints the message CARDIO INOP on the center margin of the strip chart paper after approximately 30 seconds 16 Set the simulator s ECG Mode switch to the OF...

Страница 188: ...6 10 120 Series Maternal Fetal Monitor Revision B 2015590 001 Functional Checkout Procedure MECG Test Figure 6 3 MECG Oscillation ...

Страница 189: ... heartbeat indicator flashes at a rate of 30 times per minute The UA mode is TOCO 6 Depress and hold the monitor s UA Reference pushbutton and release when the UA value shows 10 relative units Verify the following on the monitor The UA value is referenced to 10 relative units The recorder prints a continuous line at 10 relative units on the bottom grid of the strip chart paper The recorder prints ...

Страница 190: ... Verify the following on the monitor The FHR1 value oscillates by 15 BPM The FHR1 heartbeat indicator flashes for each input signal The ECG beep is heard from the rear panel speaker The recorder prints an oscillation of 15 BPM between 115 and 130 BPM on the top grid of the strip chart paper Refer to Figure 6 5 13 Repeat step 12 for rate values of 22 and 27 The results should be the same except tha...

Страница 191: ...Set the simulator s ECG Rate switch to the 27 position Verify the following on the monitor The FHR1 value oscillates by 27 BPM The FHR1 heartbeat indicator flashes for each input signal The ECG beep is heard from the rear panel speaker The recorder does not print any oscillation 18 Access the monitor s Install Options service mode screen and set the ECG Artifact Elimination back to OFF 19 Set the ...

Страница 192: ...6 14 120 Series Maternal Fetal Monitor Revision B 2015590 001 Functional Checkout Procedure FECG Test Figure 6 4 FECG Ramp ...

Страница 193: ...Revision B 120 Series Maternal Fetal Monitor 6 15 2015590 001 Functional Checkout Procedure FECG Test Figure 6 5 FECG Artifact Elimination ...

Страница 194: ...level The recorder prints a continuous line at 120 BPM on the top grid of the strip chart paper The recorder prints the message US on the center margin of the strip chart paper after approximately 20 seconds 5 Use the simulator s Manual Adjustment knob to increase the heart rate value by less than 13 BPM from the 120 BPM baseline Verify the following on the monitor The FHR1 value immediately refle...

Страница 195: ...ntinuous line at the respective value 3 BPM on the top grid of the strip chart paper 9 Repeat step 4 through step 8 using the second ultrasound channel The mode will show US2 10 Place the simulator s US Mode switch in the OFF position Verify the following on the monitor The FHR1 value and mode are both blank The recorder stops printing the fetal heart rate trace The recorder prints the message CAR...

Страница 196: ...6 18 120 Series Maternal Fetal Monitor Revision B 2015590 001 Functional Checkout Procedure Ultrasound Test Figure 6 6 Ultrasound Ramp ...

Страница 197: ...onitor The FHR1 value is 120 BPM The FHR1 mode is US The FMD indication displays in between the FHR1 and FHR2 mode title locations The FHR1 heartbeat indicator flashes at a rate of 120 times per minute Ultrasound audio volume from the rear panel speaker can be increased or decreased using the left pair of Volume pushbuttons Set the volume to the desired level The recorder prints a continuous line ...

Страница 198: ...6 20 120 Series Maternal Fetal Monitor Revision B 2015590 001 Functional Checkout Procedure Fetal Movement Detection Test Figure 6 7 Fetal Movement Detection ...

Страница 199: ...on the center margin of the strip chart paper after approximately 20 seconds 4 Gently rub each crystal of the ultrasound transducer rhythmically There are nine crystals Eight are arranged around the circumference of the transducer one is in the center Verify the following Good sensitivity is apparent The monitor s FHR1 value follows the input rate The recorder follows the input rate The FHR1 heart...

Страница 200: ...recorder prints the messages TOCO and UA REF on the strip chart paper 6 Press and hold the UA Reference pushbutton on the monitor to cycle through the available selections for UA reference 5 10 15 20 or 25 relative units Test each of these reference settings Verify that the UA value is displayed accordingly and that the recorder prints a continuous line at the corresponding value on the uterine ac...

Страница 201: ...that the UA value measures between approximately 0 and 100 mmHg and that the recorder prints a ramp between the same values Refer to Figure 6 8 11 Disconnect the Model 325 simulator s uterine activity sub cable from the UA input receptacle on the front panel of the monitor Verify the following on the monitor The UA value and mode are both blank The recorder stops printing the uterine activity trac...

Страница 202: ...6 24 120 Series Maternal Fetal Monitor Revision B 2015590 001 Functional Checkout Procedure Uterine Activity Test Figure 6 8 Uterine Activity Ramp ...

Страница 203: ...efore pressing the UA Reference pushbutton If the monitor is off you must wait at least 10 seconds from the time the monitor is powered on 13 Access the Install Options service mode screen and note the default TOCO reference setting 14 Momentarily depress the monitor s UA Reference pushbutton Verify the following The UA value shows the default setting The UA mode shows TOCO The recorder prints the...

Страница 204: ...ode is IUP for intrauterine pressure The recorder prints the message IUP on the center margin of the strip chart paper after approximately 20 seconds 3 Depress the monitor s UA Reference pushbutton and verify the following on the monitor The UA value is 0 mmHg The recorder prints a continuous line at 0 mmHg on the strip chart paper The recorder prints the message UA REF on the bottom two lines of ...

Страница 205: ...s functional checkout procedure To check any of the mode combinations listed above 1 Connect the appropriate simulator sub cables to the corresponding receptacles on the monitor 2 Enable the modes on the simulator 3 Set the simulator s Pattern Memory switch to the ON position 4 If not already on depress the monitor s Record pushbutton 5 Verify the following on the monitor Each heart rate area FHR1...

Страница 206: ... depress the monitor s Record pushbutton 6 Verify the following on the monitor The FHR1 value reads 120 BPM The FHR1 mode reads FECG The FHR1 heartbeat indicator flashes at a rate of 120 times per minute The FHR2 value varies between approximately 50 and 210 BPM The FHR2 mode reads US The FHR2 heartbeat indicator flashes at a rate consistent with the value The recorder prints the messages FECG and...

Страница 207: ...kout Procedure Dual Heart Rate Test Non Pattern Table 6 6 Dual Heart Rate Test Non Pattern Simulator Settings Section Switch Setting FECG MECG Main RATE Rate 120 BPM Mode FECG QRS Amplitude 50 µV QRS Polarity ULTRASOUND FMD Mode US Level MED Rate RAMP GENERAL Pattern Memory OFF ...

Страница 208: ...6 30 120 Series Maternal Fetal Monitor Revision B 2015590 001 Functional Checkout Procedure Dual Heart Rate Test Non Pattern Figure 6 9 Dual Heart Rate FECG and US ...

Страница 209: ... shows US The FHR2 mode shows US2 The FHR1 value shows three steady dashes The FHR2 value shows three steady dashes The recorder prints the messages US and US2 on the center margin of the strip chart paper 3 Use your finger to rub the face of the ultrasound transducer connected to the monitor s US input receptacle try to maintain a steady rate and verify the following on the monitor The FHR1 value...

Страница 210: ...up screen 11 Set the re alarm time to 30 seconds 12 Exit the setup screen 13 Set the switches on the Model 305 Input Simulator according to Table 6 7 14 Using the simulator s Manual Adjustment knob input an MECG signal of 119 bpm as indicated on the monitor Verify that there is no alarm tone sounding from the monitor s rear panel speaker 15 Using the simulator s Manual Adjustment knob increase the...

Страница 211: ...nt knob input an MECG signal of 61 bpm Verify that there is no alarm tone sounding from the rear panel speaker 22 Using the simulator s Manual Adjustment knob decrease the MECG rate to 60 bpm Again verify that there is no alarm tone sounding from the rear panel speaker 23 Using the simulator s Manual Adjustment knob decrease the MECG rate to 59 bpm Verify the following on the monitor The alarm ton...

Страница 212: ...gain emitted from the rear panel speaker The MECG value flashes again 26 Depress the monitor s front panel Alarm Silence pushbutton again 27 Use the simulator s Manual Adjustment knob to decrease the MECG signal to 60 bpm Verify the following on the monitor The alarm tone is silenced The MECG value no longer flashes After 10 seconds the two above conditions are still true ...

Страница 213: ...e Masimo cable to a Masimo pulse oximetry simulator connect the other end to the monitor s MSpO2 connector 6 Allow the monitor a few seconds to obtain a steady reading 7 Turn on the recorder and allow data to collect for at least five minutes Verify the following on the monitor The correct waveform appears on the display The MSpO2 display value is 81 2 The MSpO2 pulse amplitude indicator shows a f...

Страница 214: ... customers permission to reproduce pages 6 36 through 6 39 of this manual for the purpose of servicing the equipment Digital Multimeter Static Free Work Surface Plastic Alignment Tool Mild Soap Water Solution Standard Hand Tools Isopropyl Alcohol Leakage Current Tester E278 06 or equivalent Baum Manometer for Models 128 128F 129 129F only Leg plate 2608DAO 1 FECG MECG Adapter 1442AAO Model 325 Sim...

Страница 215: ...Actual Pass Fail N A page 7 3 Verify the power supply voltages on the Main Board page 7 4 Verify the power supply voltages on the Isolated Power Supply Board page 10 6 Adjust the printhead page 10 12 Adjust the photosensors on the Recorder Board Electrical Safety Tests Page Description Complete Max Actual Pass Fail N A page 9 12 AC Line 120 V 10 300 mΩ page 9 12 Ground Impedance 300 mΩ Lead to rea...

Страница 216: ...50µA page 9 24 Patient to Ground leakage for US2 50µA page 9 25 Patient to Line leakage for US2 50µA page 9 25 Ground Continuity Perform Functional Checkout in Chapters 6 8 of this Manual Page Description Complete Max Actual Pass Fail N A page 8 3 Monitor Selt Test page 6 5 Front Panel Button Test page 6 7 MECG Test page 6 11 FECG Test Leg Plate Test Follow Manufacturer s Directions page 6 16 Ultr...

Страница 217: ...des page 6 32 Alarm Test page 6 35 MSp02 Test page 9 9 Manometer Pressure Check annual See Table 9 1 on page 9 10 page 9 11 Pneumatic Pressure Check annual page 8 12 Recorder Calibration Test page 8 17 Corolan Address Check Remote Marker if used refer to instructions that accompanied this accessory 2116 Keyboard if used refer to instructions that accompanied this accessory Page Description Complet...

Страница 218: ...6 40 120 Series Maternal Fetal Monitor Revision B 2015590 001 Functional Checkout Procedure Preventative Maintenance Inspection Report For your notes ...

Страница 219: ...ubleshooting guide to be used in conjunction with other information supplied throughout this service manual It is important to mention this section of the manual is not intended as a substitute for proper professional training or familiarity with the 120 Series Monitor Only qualified service personnel should attempt servicing the 120 Series Monitor This chapter contains the following information B...

Страница 220: ...er Also the following equipment will be needed in order to carry out the procedural steps Digital Voltmeter Fluke 8020A or equivalent Plastic Alignment Tool Oscilloscope Handling Precautions The following guidelines should be followed when handling circuit boards or assemblies containing circuit boards Following these procedures helps resist damage that can be caused by static electricity Discharg...

Страница 221: ... a digital voltmeter measure and verify the power supply voltages using the J14 connector on the Main Board Refer to Table 7 1 NOTE There are no adjustments for these voltages Table 7 1 Main Board Power Supply Voltages J14 ON 11619 Signal Name Voltage Level Pin 1 12EL 12 Vdc 0 5 Vdc Pin 2 20I 20 Vdc 0 5 Vdc Pin 3 15BP 15 Vdc 0 5 Vdc Pin 4 15V 15 Vdc 0 5 Vdc Pin 5 15V 15 Vdc 0 5 Vdc Pin 6 12A 12 Vd...

Страница 222: ...ital voltmeter to TP7 on the Isolated Power Supply Board 2 Connect the negative lead to TP8 isolated ground 3 Adjust R7 for a reading of 16 50 Vdc 0 15 Vdc on the digital voltmeter Isolated FECG UA Board Voltages This procedure performs an adjustment on the FECG UA Board 1 Connect the positive lead of a digital voltmeter to TP1 on the FECG UA Board 2 Connect the negative lead to TP2 or TP3 isolate...

Страница 223: ...rder Board connect the negative lead to J9 pin 2 5 Adjust R31 for a reading of 150 mVdc 2 mVdc on the digital voltmeter NOTE If you open and then close the recorder door the reading may vary 5 10 mV due to the loss of tension in the paper This is acceptable and you do not need to re adjust 6 Open the door and verify that the reading on the digital voltmeter is greater than 4 75 Vdc 7 Re load the p...

Страница 224: ...tension in the paper This is acceptable and you do not need to re adjust 6 Open the door and verify that the reading on the digital voltmeter is greater than 4 75 Vdc 7 Turn off the recorder Adjusting the Paper Loading Sensor 1 Load paper in the recorder Ensure that there are no black squares showing to indicate a paper low condition You must load at least nine sheets of paper 2 Using a digital vo...

Страница 225: ...bout repair exchange of the entire display assembly WARNING HIGH VOLTAGE The 120 Series Monitor display generates potentially dangerous voltages capable of causing personal injury high voltage pulses up to 195 VAC Do not touch the display electronics during operation CAUTION ELECTROSTATIC DISCHARGE The 120 Series Monitor display uses CMOS and MOS FET components These components are electrostatic s...

Страница 226: ...Attach the positive lead to J4 pin 3 on the DSP Board Leave the negative lead attached to ground Verify a reading of 5 Vdc 0 25 Vdc This checks for the presence of the Vcc1 signal 8 Using an oscilloscope attach the negative lead to J5 pin 16 ground on the DSP Board Attach the positive lead to J5 pin 11 Verify the output of a periodic waveform This checks for the presence of the HS signal 9 Attach ...

Страница 227: ...rd at J2 Leave the other end connected to the Main Motherboard 6 Disconnect the Power Supply cable harness from the Recorder Board at J1 7 Disconnect the ribbon cable from the membrane switch panel Leave the other end connected to the DSP Board 8 Remove the four screws which fasten the front bezel to the monitor two on each side 9 Gently tilt the bezel forward until it lays flat Be careful not to ...

Страница 228: ... the display assembly Install the display assembly on the four studs 6 Apply Loctite 242 to the top of each stud then secure the display assembly with four standoffs 7 Re attach the display cable to J1 on the display Controller Power Unit 8 Replace the display shield and secure with four screws 9 Ensure the front end harness cable ferrite beads are inserted in the corresponding clips 10 Replace th...

Страница 229: ...onnect cable from the DSP Board at J5 6 Disconnect switch panel ribbon cable from the DSP Board at J4 7 Disconnect the recorder output ribbon cable from the Recorder Board at J2 Leave the other end connected to the Main Motherboard 8 Disconnect the recorder power supply cable harness from the Recorder Board at J1 9 Disconnect the main switch power harness from the connector at the top of the divid...

Страница 230: ... is installed in the monitor disconnect the blood pressure tubes from the nipples located at the divider to the recorder cavity Use masking tape to label the tubes top and bottom Free the blood pressure tubes from the notch at the top of the DSP Board and drape them over the rear panel of the monitor 25 Remove the two screws securing the DSP Board to the chassis 26 Remove the DSP Board from the Ma...

Страница 231: ...errite bead in the retaining clip 17 If FSp02 is installed in the monitor connect the front panel FSp02 harness cable to the FSp02 board at J1 Snap the bushing in place in the enclosure Mount the cable s ferrite bead in the retaining clip on the enclosure Ensure that the second ferrite bead is mounted on the back of the display shield 18 Replace the hold down cover for the front end boards and sec...

Страница 232: ...J5 A MATER Sp FECG M U US U J6 J4 J10 J1 J7 J2 J1 J2 J9 J1 Connector for main power switch harness Connector for recorder power cable Connector for recorder output cable Connector for switch panel cable Connector for display cable Notch in DSP Board Nipples for BP tubes Clip for MSpO2 ferrite bead if MSpO2 installed ...

Страница 233: ...nstalled Clip for FECG MECG ferrite beads Ferrite bead is moun clip attached to back display shield on fro if FSpO2 installed Clip for FSpO2 ferrite bead if FSpO2 installed Clip for MECG ferrite bead if MECG installed Clip for FECG ferrite bead FSpO2 ferrite bead mounts to clip attached to back of display shield on front bezel if FSpO2 installed Clip for MSpO2 ferrite bead if MSpO2 installed BP tu...

Страница 234: ...Bezel Testing CAUTIONS Following completion of the procedure LEAKAGE TEST Perform a leakage and dielectric test on the 120 Series Monitor per applicable standards FUNCTIONAL TEST Perform a functional test of the overall monitor following the instructions provided in Chapter 6 Functional Checkout Procedure ...

Страница 235: ...he negative lead attached to ground Verify a reading of 5 Vdc 0 25 Vdc This checks for the presence of the Vcc1 signal 8 Using an oscilloscope attach the negative lead to J5 pin 20 ground on the DSP Board Attach the positive lead to J5 pin 9 Verify the output of a periodic waveform This checks for the presence of the HSYNCB signal 9 Attach the positive lead to J5 pin 7 on the DSP Board Leave the n...

Страница 236: ...interconnect cable from the DSP Board at J5 5 Disconnect the ribbon cable from the Recorder Board at J2 Leave the other end connected to the Main Motherboard 6 Disconnect the Power Supply cable harness from the Recorder Board at J1 7 Disconnect the ribbon cable from the membrane switch panel Leave the other end connected to the DSP Board 8 Remove the four screws which fasten the front bezel to the...

Страница 237: ...e 6 Re position the display assembly in the front bezel with the gasket lying flat against the bezel Ensure the shoulder fits into the bezel opening 7 Apply Loctite 242 to the top of each stud then secure the display assembly with four standoffs 8 Re attach the display cable to J1 on the display Controller Power Unit 9 Replace the display shield and secure with four screws 10 Ensure the front end ...

Страница 238: ... the circuitry in the Trimline Tocotransducer there is a stabilization time of approximately two seconds for any output voltage After adjusting a potentiometer verify that the output has stabilized prior to taking a voltage reading 1 Remove the nameplate and sealing tape from the top cover of the Trimline Tocotransducer 2 Set the GAIN and ZERO CTR potentiometers in the tocotransducer fully counter...

Страница 239: ... through step 11 until the change in voltage between the WEIGHT ON and WEIGHT OFF conditions falls into specification 13 Torque seal all potentiometers Re seal with waterproof sealing tape and re install the nameplate CAUTION REPEAT MEASUREMENTS Due to offset voltages induced by the circuitry in the Trimline Tocotransducer it is necessary to adjust the change in voltage between the WEIGHT ON condi...

Страница 240: ...otransducer Calibration Figure 7 4 CMR Test Jack Figure 7 5 Trimline Tocotransducer Potentiometer Locations P P 4 V REF Pin 1 Pin 2 Pin 4 Pin 6 475 W Front Panel UA Connector CW C W C W G A IN ZE R O C TR ZE R O TR IM CW C W C W G A IN ZE R O C TR ZE R O TR IM Loop Style Button Top Style ...

Страница 241: ...nitor 7 23 2015590 001 Calibration Nautilus Tocotransducer Calibration Nautilus Tocotransducer Calibration Calibrating a Nautilus Tocotransducer requires a Calibration Kit Refer to Chapter 14 Nautilus Tocotransducer to order the correct kit ...

Страница 242: ...Adjustment Tool 52 5 gram weight NOTE You will need a specific weight to calibrate the Nautilus Tocotransducer Refer to Chapter 14 Nautilus Tocotransducer for part number information Torque Seal Loctite Adhesive 454 recommended Anti Static Wristband Static Free Work Surface Calibrated 120 Series Monitor Figure 7 6 Sealing Screw Caps Figure 7 7 Nautilus Tocotransducers Cover Removed Flat Screw Cap ...

Страница 243: ...ack into the monitor s UA connector 5 Measure the voltage across the test points and record the value 6 Replace the CMR Test Jack with the transducer to be calibrated 7 Place the tocotransducer on a flat surface so that the button is face up then center the 52 5 gram weight on the pressure sensitive button 8 Adjust the Offset R6 potentiometer so that the voltage matches the reading recorded in 5 0...

Страница 244: ...urface so that the button is face up then center the 52 5 gram weight on the pressure sensitive button 9 Adjust the Offset R5 and Offset Trim R6 potentiometers so that the voltage matches the reading recorded in 6 0 04 V This voltage is referred to as the weight on voltage The Offset R5 potentiometer provides course adjustment The Offset Trim R6 potentiometer provides fine adjustment 10 Remove the...

Страница 245: ...t until all screws are torqued to 48 in oz 3 Apply one drop of Loctite adhesive in the hole for the flat screw cap Figure 7 6 Insert flat screw cap and press into place 4 Apply one drop of Loctite adhesive in the hole for a curved screw cap Insert the curved screw cap being careful to align it according to the curvature of the case top prior to pressing into place Repeat for the remaining three cu...

Страница 246: ... Maternal SpO2 Calibration The 120 Series Monitor automatically calibrates the pulse oximetry module upon power up whenever a new sensor is attached and at periodic intervals during use The intensity of the sensor s LEDs are also automatically adjusted to compensate for differences in tissue density ...

Страница 247: ...ed to enhance verification of the unit s internal circuitry This section of the manual is not intended as a substitute for proper professional training or familiarity with the 120 Series Monitor Only qualified service personnel should attempt servicing the 120 Series Monitor This chapter contains the following information Power On Diagnostic Tests 8 2 Monitor Self Test 8 3 Error Log Screen 8 5 Dia...

Страница 248: ...switch to the on I position the tests run for approximately two seconds If all tests pass the monitor enters the normal operational mode If a test fails you will see one of the following error messages centered in the display SYSTEM FAULT ROM SYSTEM FAULT RAM SYSTEM FAULT DSP The first two errors indicate a problem on the Main Motherboard The last error indicates an error on the DSP Board If the m...

Страница 249: ...lay pixels illuminate for one second and then all are extinguished for one second Afterwards a vertical line moves across the screen from left to right followed by a horizontal line moving from top to bottom The display then remains black The yellow Record indicator illuminates The message TEST ARE ALL DOTS PRINTED is printed followed by two vertical lines which should appear continuous Discontinu...

Страница 250: ...n the Test pushbutton was depressed NOTE To disable the test depress the Test pushbutton or open the recorder door NOTE If the simulated fetal heart rate trends do not appear in the correct positions on the strip chart recorder paper ensure the monitor s vertical scale setting matches the type of paper being used i e 30 BPM cm or 20 BPM cm Figure 8 1 120 Series Self Test ...

Страница 251: ...e detected by the monitor The Error Log is comprised of multiple pages with up to 20 error codes per screen Each screen displays three columns The Error ID column lists the error code The codes are defined in Table 8 1 The Count column lists the number times the error code has occurred The Data column lists other information associated with the error code This column is for factory use only Figure...

Страница 252: ...e strip chart recorder 8 Use the CLEAR softkey to clear all the error log from the battery backed RAM Table 8 1 Error Codes Error Description 0 50 Mailbox overflows correspond to mailbox IDs 51 54 Reserved for future use 55 Corolan address test failed 56 61 Reserved for future use 62 SCC1 HDLC length error Corolan 63 SCC2 framing error J109 64 SCC3 framing error J110 65 SCC1 HDLC non octet alignme...

Страница 253: ...M test failed 97 DSP Error 7 Power up data RAM test failed 98 DSP Error 8 Run time CPU utilization exceeded 100 99 DSP Error 9 Supply voltages voltage reference or A D invalid 100 DSP Error 10 DSP MAIN data queue nearly full 101 DSP Error DSP MAIN data queue full data is being lost 102 DSP Error Power supply warning 103 DSP warm start 104 DSP reserved for future use 105 DSP reserved for future use...

Страница 254: ...gnal saturated 134 CAS Error 14 Pneumatic leak 135 CAS Error 15 System failed 136 CAS receive error 137 CAS reset error 138 CAS message type error 139 CAS timeout error 140 NPB MSpO2 Internal error 141 NPB MSpO2 RAM error 142 NPB MSpO2 ROM error 143 NPB MSpO2 Checksum error 144 NPB MSpO2 Write error 145 NPB MSpO2 Range error 146 NPB MSpO2 Calibration failed 147 NPB MSpO2 Calibration on error 148 N...

Страница 255: ...PB FSpO2 Watchdog timer error 180 NPB FSpO2 Internal errors 181 199 Reserved for future use 200 CPU Watchdog timer error 201 CPU RAM error 202 CPU ROM error 203 CPU CRC fault 204 CPU Processor exception fault 205 CPU Bus error 206 CPU Address error 207 CPU Instruction error 208 CPU Battery RAM error 209 CPU Event fault 210 Task 0 timeout 211 Task 1 timeout 212 Task 2 timeout 213 Task 3 timeout 214...

Страница 256: ...sts Error Log Screen 220 Task 10 timeout 221 Task 11 timeout 222 Task 12 timeout 223 Task 13 timeout 224 Task 14 timeout 225 Task 15 timeout 226 229 Reserved for future use 230 Power fault 231 239 Reserved for future use Table 8 1 Error Codes Continued Error Description ...

Страница 257: ...lan address check softkey to access J102 test screen and softkey to perform a memory dump Figure 8 3 Diagnostic Control To access the Diagnostic Control screen 1 Select the SERVICE softkey from the General Setup screen 2 The Service Lock screen appears 3 Enter the correct access code the Install Options screen displays 4 Select the TESTS softkey from the Install Options screen 5 The Diagnostic Con...

Страница 258: ... horizontal lines at 0 mmHg 30 bpm and 240 bpm The recorder prints a vertical line spanning across both grids every 3 16 inch Refer to Figure 8 4 2 Use this test while performing the adjustments in Chapter 10 Strip Chart Recorder Servicing The test will continue to print the lines until you cycle power on the monitor or set the calibration field on the Diagnostic Control screen back to OFF Figure ...

Страница 259: ...nce the field was cleared The time is displayed in hours minutes and seconds To clear this field reset the timer activate the CLEAR softkey to the right of the recorder time field NOTE The CLEAR softkey also resets the monitor run time field Main Board SW1 Switch Settings This area of the display allows you to see the hardware switch settings SW1 on the Main Motherboard No 11619 without removing t...

Страница 260: ...2 Main Board SW1 Switch Settings Switch Description On 0 Position Off 1 Position State Display Notation State Display Notation 8 MECG Option Disabled Enabled MECG 7 MSpO2 Option Disabled Enabled MSPO2 6 NBP Option Disabled Enabled NBP 5 FSpO2 Option Disabled Enabled FSPO2 4 Clock Speed 16 MHz 16 MHz 20 MHz 3 Unused 2 J102 Output Levels Corometrics CORO Hewlett Packard 1 Factory Test Disabled Enabl...

Страница 261: ... devices have automatically been taken offline WAS OFFLINE Contact GE Service Representative HAD DISC ADDRESS CRC ERROR UNKNOWN PACKET TYPE RECENT ADDRESS CONTENTION A monitor has just been turned on using the same wallplate address as another monitor If the situation continues this message will change to OFFLINE ADDRESS CONTENTION Disconnect both monitors from wallplate Check wallplate addresses ...

Страница 262: ...ER RUNNING SLOW AWAITING FIRST PACKET DATA Fifteen seconds have elapsed since monitor was first turned on Data is usually sent in 15 second packets NO I FRAME FORMATTED YET Contact GE Service Representative TRANSMIT ON NEXT POLL The monitor has received data and will respond on the next poll from the master device e g QS Server IN RE TRANSMIT DELAY Contact GE Service Representative TRANSMISSION RE...

Страница 263: ...tor is connected to a Corolan network and if so provides the wallplate address If the monitor is not connected to a Corolan network or if there is a wallplate address error and the monitor is automatically taken offline the message NO ADDRESS appears at the bottom left of the screen If the monitor is connected to a Corolan network the wallplate address is identified in the bottom left of the scree...

Страница 264: ...vate the J102 softkey at the bottom of the screen The J102 Analog Output Connector screen displays see Figure 8 5 3 The Range and Voltage fields can be displayed using a decimal point or a comma as a separator Each activation of the DECIMAL softkey at the bottom of the screen alternates between using a decimal and a comma 4 Use the Trim Knob control to cycle through the available settings for each...

Страница 265: ...and FMD2 Use the Trim Knob control to alternate between ON and OFF NOTE Signal names followed by an asterisk or slash are active low Calibration For calibration you must use the specific values listed in Table 8 4 Corometrics output levels or Table 8 5 Hewlett Packard output levels This tests the high and low ranges for the HR1 HR2 and UA signals If a measured value does not fall within the given ...

Страница 266: ...1 J102 pin 7 1 2 V 10 mV R18 240 BPM 1 2 V 10 mV R20 HR2 J102 pin 22 1 2 V 10 mV R27 240 BPM 1 2 V 10 mV R29 UA J102 pin 2 0 relative units 1 2 V 10 mV R42 100 relative units 1 2 V 10 mV R44 Table 8 5 DAC Output Voltages and Adjustment Points for Hewlett Packard Central Station Outputs Analog Signal Measurement Site Service Screen Setting Expected Voltage Adjustment Site HR1 J102 pin 7 240 BPM 2 4...

Страница 267: ...r Table 8 6 lists the signal description for each pin Testing the Port s 1 Access the Communications Setup screen see Figure 8 7 2 Insert a loopback test connector into each communications port being tested 3 Set the mode field on the Communications Setup screen to LOOPBACK Notice that the word OFF displays to the right of the mode 4 Verify that after a few seconds the status LOOPBACK OK displays ...

Страница 268: ...al Monitor Revision B 2015590 001 Self Tests RS 232C Connector Loopback Test Figure 8 7 Communications Screen 5 TXD 6 CTS Table 8 6 J109 J110 and J111 Communications Ports Connector Pinout J109 J110 Or J111 Pin Signal Description ...

Страница 269: ...ning instructions for the 120 Series Monitor and its accessories CAUTION BEFORE YOU START Unplug the monitor from the AC power source and detach all accessories from the monitor Do not immerse accessories in any liquid Do not use abrasive cloth or cleaners on monitor or accessories This chapter describes the following Cleaning 9 2 Main Board Battery 9 5 Maternal Blood Pressure Tests 9 6 Electrical...

Страница 270: ...tions Cleaning the Monitor Exterior 1 Wipe any fluids from the surface of the monitor 2 Dampen a cloth or paper towel with isopropyl alcohol and gently rub soiled area until clean Cleaning the Electroluminescent Panel 1 Dampen a soft cloth with water The cloth should be free of grit or other particles that may cause abrasion CAUTION CLEANING AGENTS Do not use isopropyl alcohol 2 Rub lightly in a c...

Страница 271: ...and cables from the monitor IMMERSION Only Nautilus Tocotransducers may be immersed Other transducers and cables may not be immersed or held under running water 1 Dampen a cloth or paper towel with one of the following products then wring out until only slightly wet Sodium Hypochlorite 5 25 Bleach diluted 10 1 Cidex Sporicidin Soap and water 2 Rub soiled area until clean taking care not to excessi...

Страница 272: ...nector of the transducer in the cleaning solution at any time Examine the outer sheath of the cable for perforations If the outer covering is damaged in any way do not immerse the cable in the cleaning solution this may result in moisture entering the transducer case which is vented through the cable WARNING LIQUIDS If liquids enter the electrical connector check the resistance between the electri...

Страница 273: ... 4 Remove the hold down screws securing the NBP Board 14582 to the chassis 5 Slide the NBP Board out of the card cage only enough to lay it on top of the front end board cover Use care not to disconnect the NBP tubes at either end 6 Use a small screwdriver to remove U30 from the socket on the Main Board CAUTION BATTERY DISPOSAL Follow the battery manufacturer s recommendations or your hospital pol...

Страница 274: ...2 Select the SERVICE softkey from the General Setup screen to display the Service Lock screen Figure 9 2 The access code is displayed as 0 0 0 0 NOTE The correct date and time must be set on the General Setup screen or you will not gain access to the service screens 3 Use the Trim Knob control to set the access code to the current month and date You can enter the date followed by the month or the ...

Страница 275: ... 2 Service Lock Screen EXIT PAPER SPEED 3 CM MIN LIGHT ON PAPER CHIME OUT ONLY VOLUME 5 SERVICE GENERAL SETUP TIME 12 01 00 DATE 01 JUN 2003 PLAY SONG OFF VOLUME 5 SPO2 SCALE 0 100 RECORDER SETUP EXTERNAL MONITOR SETUPS MSPO2 PRINT INTERVAL 5 MIN FSPO2 PRINT INTERVAL 5 MIN FSPO2 TRACE OFF SERVICE LOCK ENTER ACCESS CODE 0 0 0 0 CPU V3 52 DSP 03 07 EXIT ...

Страница 276: ...ENGLISH NBP 1 MIN INTERVAL OFF HR OFFSET 10 MIN DEFAULT TOCO REFERENCE 10 FM REMOTE MARK ON COROLAN ADDRESS CHECKING OFF HBC OFF SMART BP OFF VS PRINT INTERVAL REAL TIME RECORDER FONT SIZE SMALL FETAL ALERT ALARM OFF ALERT SUSPEND OFF PRINTALL LOG COMM TESTS EXIT J102 MEM DUMP EXIT DIAGNOSTIC CONTROL NBP MODE PATIENT RECORDER CALIBRATION OFF STATUS RELAY OFF CPU V3 00 DSP 03 07 RUN TIME 72 41 58 R...

Страница 277: ...atic hose 3 Connect the appropriate end of the T connector to the inflation bulb 4 Connect the remaining end of the T connector to the manometer tubing 5 Use the Trim Knob control to set the NBP mode on the Diagnostic Control service mode screen to MANOMETER 6 Verify that the cuff pressure in the NBP display area is 0 mmHg 7 Using the inflation bulb manually pump up the pressure to 200 mmHg 1 mmHg...

Страница 278: ...ssure reading is not within the specified tolerance contact your Service Representative Do not use this monitor to perform blood pressure readings until the problem is corrected 11 Access the Diagnostic Control service mode screen and configure the NBP mode to PATIENT Table 9 1 Calibration Check Pressure Levels MAnometer Pressure Level 120 Series Monitor Pressure Level 0 mmHg 1 mmHg 0 mmHg 1 mmHg ...

Страница 279: ...turn Ensure that the plug is securely connected 2 Use the Trim Knob control to set the NBP mode on the Diagnostic Control service mode screen to PNEUMATIC 3 You will hear the motor running and see the cuff inflation value in the NBP area of the display If the test passes the cuff deflates and the NBP area is blank If the test fails you will see one of the following messages REPAIR CHECK CUFF LEAK ...

Страница 280: ...ion of mV to µA In other words on this text fixture 1 mV 1 µA IMPORTANT 220 230 240 VAC POWER CORD For 220 230 240 VAC testing use only P N 600034 line cord to power the E278 06 test fixture Initial Conditions 1 Attach the monitor power cord to the leakage test fixture 2 Verify that the leakage test fixture s main AC power cord is attached AC Line F Voltage measurement from 100 240 V Ground Impeda...

Страница 281: ...using the monitor s power switch 3 Verify the following F 300 µA 100 120 220 230 or 240 VAC monitors 4 Record the primary leakage for the following conditions Table 9 2 Unit to Primary Leakage Conditions Neutral Ground Power Polarity Closed Closed Normal Closed Open Normal Closed Open Reversed Closed Closed Reversed Open Closed Normal Open Open Normal Open Open ________ Reversed Open Closed Revers...

Страница 282: ...embly leakage cable and you are testing a Model 129 129F Monitor you must test both FECG and MECG 2 Set the fixture s Leakage switch to Patient 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 3 Patient to Ground Leakage Conditions for ECG Neutral Gro...

Страница 283: ...n be the assembly leakage cable 2 Set the fixture s Leakage switch to Line 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 4 Patient to Line Leakage Conditions for ECG Neutral Ground Power Polarity Closed Closed Normal Closed Closed Reversed Open Clo...

Страница 284: ... foil or the assembly leakage cable 2 Set the fixture s Leakage switch to Patient 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 5 Patient to Ground Leakage Conditions for IUP Neutral Ground Power Polarity Closed Closed Normal Closed Open Normal Clo...

Страница 285: ...r wrapped in aluminum foil or the assembly leakage cable 2 Set the fixture s Leakage switch to Line 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 6 Patient to Line Leakage Conditions for IUP Neutral Ground Power Polarity Closed Closed Normal Closed...

Страница 286: ... test body 2 Set the fixture s Leakage switch to Patient 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 7 Patient to Ground Leakage Conditions for MSpO2 Neutral Ground Power Polarity Closed Closed Normal Closed Open Normal Closed Open Reversed Close...

Страница 287: ... leakage cable for the test body 2 Set the fixture s Leakage switch to Line 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 8 Patient to Line Leakage Conditions for MSpO2 Neutral Ground Power Polarity Closed Closed Normal Closed Closed Reversed Open ...

Страница 288: ... test body 2 Set the fixture s Leakage switch to Patient 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 9 Patient to Ground Leakage Conditions for FSpO2 Neutral Ground Power Polarity Closed Closed Normal Closed Open Normal Closed Open Reversed Close...

Страница 289: ...leakage cable for the test body 2 Set the fixture s Leakage switch to Line 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 10 Patient to Line Leakage Conditions for FspO2 Neutral Ground Power Polarity Closed Closed Normal Closed Closed Reversed Open ...

Страница 290: ...pped in aluminum foil 2 Set the fixture s Leakage switch to Patient 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 11 Patient to Ground Leakage Conditions for US Neutral Ground Power Polarity Closed Closed Normal Closed Open Normal Closed Open Rever...

Страница 291: ...asound transducer wrapped in aluminum foil 2 Set the fixture s Leakage switch to Line 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 12 Patient to Line Leakage Conditions for US Neutral Ground Power Polarity Closed Closed Normal Closed Closed Revers...

Страница 292: ...pped in aluminum foil 2 Set the fixture s Leakage switch to Patient 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Table 9 13 Patient to Ground Leakage Conditions for US2 Neutral Ground Power Polarity Closed Closed Normal Closed Open Normal Closed Open Reve...

Страница 293: ...kage switch to Line 3 Turn ON the monitor using the monitor s power switch 4 Verify the following F 50 µA 100 120 220 230 or 240 VAC monitors 5 Record the patient to ground leakage for the following conditions Ground Continuity F Use an ohmmeter to confirm continuity between the monitor s AC receptacle inlet ground pin and the unit s chassis Table 9 14 Patient to Line Leakage Conditions for US2 Ne...

Страница 294: ... Pot Tests CAUTION POWER OFF Turn OFF the monitor prior to performing any of the hi pot tests Patient to AC Line Using DC Voltage for One Minute Connect the monitor to the hi pot tester as shown in Figure 9 5 NOTE The hi pot tester voltage is 5 656 kVdc Figure 9 5 Patient to AC Line Using DC Voltage for One Minute 5 656 kVdc ...

Страница 295: ...sure the voltage breakdown F pass F fail MSpO2 Connect an MSpO2 test body to the monitor s front panel MSpO2 input The MSpO2 test body can be a MSpO2 cable and sensor wrapped in aluminum foil or the assembly leakage cable Measure the voltage breakdown F pass F fail FSpO2 Connect an FSpO2 test body to the monitor s front panel FSpO2 input The FSpO2 test body should be an FSpO2 cable and sensor wrap...

Страница 296: ...ont panel ECG input The MECG test body can be a shorted MECG cable or the assembly leakage cable Measure the voltage breakdown F pass F fail IUP Connect an IUP test body to the monitor s front panel UA input The IUP test body can be a SensorTip cable wrapped in aluminum foil or the assembly leakage cable Measure the voltage breakdown F pass F fail MSpO2 Connect an MSpO2 test body to the monitor s ...

Страница 297: ...asure the voltage breakdown F pass F fail US2 Connect an US test body to the monitor s front panel US2 input The US test body should be an ultrasound transducer wrapped in aluminum foil Measure the voltage breakdown F pass F fail Mains to Chassis Using DC Voltage for One Minute Connect the monitor to the hi pot tester as shown in Figure 9 7 NOTE The hi pot tester voltage is 2 121 kVdc F pass F fai...

Страница 298: ...9 30 120 Series Maternal Fetal Monitor Revision B 2015590 001 General Maintenance Maternal Blood Pressure Tests For your notes ...

Страница 299: ...120 Series strip chart recorder This section of the manual is not intended as a substitute for proper professional training or familiarity with the 120 Series Monitor Only qualified service personnel should attempt servicing a 120 Series Monitor This chapter contains the following information Removing the Strip Chart Recorder 10 2 Installing the Strip Chart Recorder 10 3 Periodic Thermal Printhead...

Страница 300: ...g strips from the top of the front bezel to prevent damage when removing the recorder 5 Remove the two screws on the bottom of the monitor which fasten the strip chart recorder 6 Remove the two screws which fasten the right side of the front bezel to the monitor Loosen the two at the left just enough to pull the right side of the bezel away from the chassis 7 Disconnect the display ribbon cable fr...

Страница 301: ...harness to the Recorder Board at J1 4 Re connect the Main Motherboard ribbon cable to the Recorder Board at J2 5 Re connect the DSP ribbon cable to the membrane switch panel 6 Re connect the display ribbon cable to the DSP Board at J5 7 Carefully reposition the front bezel Secure all four screws 8 Install the two screws which secure the recorder to the bottom panel 9 Replace the copper grounding s...

Страница 302: ...Printhead Cleaning The thermal printhead heater elements must be cleaned at regular intervals to remove any accumulated paper dust The heater elements may be cleaned with methanol or isopropyl alcohol Care must be taken to avoid touching the heater elements with bare hands CAUTION AIR DRYING Allow to air dry completely prior to using the monitor ...

Страница 303: ...of the printhead occurs the exact cause must be diagnosed accurately and corrected prior to installation of a new printhead Servicing of any recorder parts other than the five subassemblies outlined above should be referred to the nearest GE Service Representative Stepper Motor and Harness Prior to removing replacing the stepper motor follow all instructions in the section Removing the Strip Chart...

Страница 304: ... does not fall within the specified offset range 1 Loosen the two set screws labeled A in Figure 10 1 2 Adjust hex head screw labeled C in Figure 10 2 until test trace falls within specified tolerance 3 Tighten the two set screws labeled A Horizontal Offset Adjustment Adjust the horizontal offset if any of the following symptoms are detected If skewing occurs check for other malfunctions Noticeabl...

Страница 305: ...x head screw loosened to perform a horizontal offset adjustment C Hex head screw which determines the vertical offset of a horizontal line See Figure 10 3 D Captive hex head screw which controls the horizontal offset of a vertical line on the top grid of the strip chart paper heart rate channel E Captive hex head screw which controls the horizontal offset of a vertical line on the bottom grid of t...

Страница 306: ...n and out through the recorder door with the harness still attached NOTE If you are familiar with other Corometrics monitors be assured that the four pressure springs are held captive and will not fall out 8 Remove the harness cable from the printhead and retain for use with replacement printhead Replacing the Printhead Use the following procedure for installing a 120 Series Monitor printhead 1 Tu...

Страница 307: ...ard until the reading on the digital voltmeter is within 100 mV of the VHEAD voltage stamped on the printhead 11 Access the Diagnostic Control service mode screen and run the recorder test to check the printing of vertical lines Refer to Chapter 8 Self Tests If light printing occurs refer to the instructions under Horizontal Offset Adjustment on page 10 6 12 Replace the top cover and secure all ni...

Страница 308: ...Series Maternal Fetal Monitor Revision B 2015590 001 Strip Chart Recorder Servicing Field Serviceable Assemblies Figure 10 1 Recorder Top View Figure 10 2 Recorder Right Side View J6 J5 J3 J4 J1 J2 J8 A D E A B C ...

Страница 309: ...Revision B 120 Series Maternal Fetal Monitor 10 11 2015590 001 Strip Chart Recorder Servicing Field Serviceable Assemblies Figure 10 3 Vertical Offset Adjustment Self Test Trace ...

Страница 310: ...cord the orientation of the connector for replacement later 5 Using an allen wrench remove the two socket head screws which attach the black sensor housing to the angle bracket 6 Discard the sensor and housing Replacing the Paper Low Paper Out Photosensor Use the following procedure for replacing the paper low or paper out photosensor 1 Attach the sensor and housing to the printhead support bracke...

Страница 311: ... 0 Vdc 11 Turn off the recorder Adjusting the Paper Out Photosensor 1 Load paper in the recorder Ensure that there are no black squares showing to indicate a paper low condition 2 If you haven t already re connect the power cord and turn on the monitor 3 Press the Record button to turn on the recorder Allow the paper to advance for a few seconds in order to tension the paper 4 Turn off the recorde...

Страница 312: ...sor and housing to the paper tray 5 Discard the sensor and printed circuit board Replacing the Paper Loading Sensor Use the following procedure for replacing the paper loading photosensor 1 Secure the sensor and printed circuit board to the paper tray and tighten both screws 2 Connect the sensor cable to J8 on the Recorder Board 3 Install a new cable tie to hold the cable in place NOTE Ensure that...

Страница 313: ...wer cord and turn on the monitor 3 Using a digital voltmeter connect the positive lead to J9 pin 6 on the Recorder Board connect the negative lead to J9 pin 2 4 Adjust R41 for a reading of 190 mVdc 5 mVdc on the digital voltmeter 5 Although a factory only fixture is required for this step you may wish to try it by estimating the required distance Load paper backwards paper feeding from bottom of p...

Страница 314: ...10 16 120 Series Maternal Fetal Monitor Revision B 2015590 001 Strip Chart Recorder Servicing Field Serviceable Assemblies For your notes ...

Страница 315: ...described in this section NOTE Refer to Chapter 12 Upgrading a 120 Series Monitor for more information This section discusses the following Standard Input Output Connectors 11 2 Nellcor Puritan Bennett Model N 200 Maternal Pulse Oximeter 11 5 Nellcor Puritan Bennett Model N 400 Fetal Pulse Oximeter 11 6 DINAMAP Models 1846 1846SX and 1846SX Oxytrack 8100 and 8100T11 7 Quantitative Sentinel Perinat...

Страница 316: ...about using the accessory ECG Out Connector This 3 conductor stereo phone jack permits recording of FECG or MECG trends on an external recorder FECG signals are output at 80 dB with a bandwidth of 1 0 to 100 Hz MECG signals are output at 60 dB with a bandwidth of 0 5 to 40 Hz The output level from this port is 10 V mV for FECG and 1 V mV for MECG CAUTION JACK SIZES Service personnel who are famili...

Страница 317: ...o NPB monitors therefore this connector will have to be configured for the device to which it is attached 1 Select the SERVICE softkey from the General Setup screen 2 The Service Lock screen appears 3 Enter the correct access code the Install Options screen displays 4 Select the COMM softkey on the Install Options screen 5 The Communications Setup screen appears 6 Set the baud rate and mode for ea...

Страница 318: ...l Fetal Monitor Revision B 2015590 001 Peripheral Devices Standard Input Output Connectors Figure 11 1 Communications Setup Screen EXIT COMMUNICATIONS SETUP BAUD RATE MODE J111 2400 NELLCOR J110 2400 NELLCOR J109 2400 NELLCOR ...

Страница 319: ... MSpO2 97 P 78 When the recorder is in maternal only mode a time stamp and filled diamond mark precede each reading A sample annotation looks like this 11 13 MSpO2 97 P 78 To connect the Model N 200 1 Using interface cable connect one end to an available RS 232C port J109 or J111 only on the 120 Series Monitor connect the other end to the Serial Communications port on the pulse oximeter 2 Access t...

Страница 320: ...he bottom grid of the strip chart paper the trend is printed as a beaded trace To connect the Model N 400 1 Using interface cable connect one end to an available RS 232C port J109 J110 or J111 on the 120 Series Monitor connect the other end to the Serial Communications port on the pulse oximeter 2 Access the Communications Setup service mode screen and set the baud rate and mode for the appropriat...

Страница 321: ... paper Refer to Chapter 5 Setup Procedures in this manual for more detailed information 4 Be aware of the following information specific to DINAMAP monitors The clock on the Critikon Models 1846 1846SX and 1846SX Oxytrack must be set to within 10 minutes of the 120 Series Monitor If the clocks are not within 10 minutes of each other the time will print with each blood pressure reading The clock on...

Страница 322: ...cations protocol SPW AVERAGE VARIABILITY To connect a central information system 1 Obtain an appropriate interface cable connect one end to an available RS 232C connector J109 J110 or J111 on the 120 Series Monitor connect the other end to the wallplate wired to the central information system For a Quantitative Sentinel Perinatal System the interface cable is catalog number REF 1376AAO the corresp...

Страница 323: ...15 Fetal Monitor in which it originated NOTE The baud rate must match the external computer however the recommended baud rate is 9600 Lower baud rates may result in some data loss IMPORTANT FETAL VS MATERNAL This is a fetal protocol not a maternal fetal protocol This protocol will output HR1 HR2 UA modes and message annotations including maternal vital signs This protocol will not send three heart...

Страница 324: ...sted parameters may be changed at any time by the host computer by sending a new request sequence NOTE Refer to Requested Data Format later in this document for information about the response data format The format is the same for both the 115 Update mode and the 115 Transmit Receive mode Requested Data Format The format of the data requested by the external computer from the monitor is shown in F...

Страница 325: ...data field is empty whenever the monitor s Mark pushbutton is pressed Heart Rate This data field contains two or three ASCII characters representing the value of the heart rate A value of 00 30H 30H indicates a penlift condition Heart rate data including penlift data is transmitted four times per second Uterine Activity This data field contains two or three ASCII characters representing the value ...

Страница 326: ...current status of the PAPER OUT signal low or high If the data byte is a 0 30H then the signal is low indicating paper is loaded and the recorder door is closed if the data byte is 1 31H then the signal is high indicating a paper out condition This data is transmitted once per second when active End of Text This 1 byte field contains the value 03H If this byte is sent immediately following the Mon...

Страница 327: ...gested that the external computer re transmit a request sequence Figure 11 2 Data Request Format 115 Transmit Receive Mode Only Figure 11 3 Transmitted Data Format MONITOR TYPE FIRST DATA FIELD END OF TEXT DATA FIELD S Nth DATA FIELD MONITOR TYPE RESPONSE TYPE MONITOR ID DATA FIELD END OF TEXT Table 11 2 Response Type and Data Field Type Response Type ASCII Character Hexadecimal Value Heart Rate 1...

Страница 328: ...de Hr2 Mode Ascii Character Hexadecimal Value INOP INOPa 0 30 FECG INOPa 1 31 US INOPa 2 32 US MECG 5 35 US FECG 9 39 US US2 3B FECG US 3C INOP MECG 3D INOP US2 3E a If HR2 mode is INOP and HR3 mode is MECG then HR3 mode and data are sent as HR2 mode and data Table 11 1 Uterine Activity Modes UA Mode ASCII Character Hexadecimal Value INOP 0 30 TOCO 1 31 IUP 2 32 ...

Страница 329: ...n be tied to the RTS line of the monitor If a modem is used this line should be tied to the CTS line of the modem NOTE This signal is supported by connectors J109 and J111 only This signal is not supported by connector J110 Receive Data RXD This input line provides the serial data sent from the external computer to the 120 Series Monitor Standard RS 232C Rules The following rules must be observed ...

Страница 330: ...ommunications Equipment DCE device a modem a standard normal modem cable is required as shown in Figure 11 6 Figure 11 4 RJ 11C Connector while facing the monitor s rear panel Table 11 2 J109 J110 and J111 RS 232 Port Connector Pinout J109 J110 or J111 Pin Signal Description 1 RTSa a This signal is supported by connectors J109 and J111 only This signal is not supported by connector J110 2 RXD 3 GN...

Страница 331: ...UIPMENT DTE SIDE 6 PIN SIGNAL NAME SIGNAL NAME 25 PIN 9 PIN 5 TXD TXD 2 3 2 RXD RXD 3 2 1 RTS RTS 4 7 6 CTS CTS 5 8 3 4 GND GND 7 5 GND 6 PIN 2 5 1 6 3 120 SERIES MONITOR SIDE DATA TERMINAL EQUIPMENT DTE SIDE 6 PIN SIGNAL NAME SIGNAL NAME 25 PIN 9 PIN 5 TXD TXD 2 3 2 RXD RXD 3 2 1 RTS RTS 4 7 6 CTS CTS 5 8 3 4 GND GND 7 5 GND 6 PIN 5 2 1 6 3 This signal is supported by connectors J109 and J111 onl...

Страница 332: ...d match telemetry and monitor modes The telemetry connected annotation is printed on the bottom line of the top grid of the strip chart paper upon commencement of telemetry monitoring and every 30 minutes along with the modes The telemetry disconnected annotation is printed on the strip chart paper if you unplug the telemetry receiver from the 120 Series Monitor you turn off the receiver you turn ...

Страница 333: ...s instructions for installing each kit Contact your GE Service Representative for information about purchasing a kit This section discusses the following General Information 12 2 Communications Option Upgrade Kit 12 3 Nellcor MSpO2 and NBP Option Upgrade Kit 12 7 MECG Option Upgrade Kit 12 28 Software Version 3 5 12 34 Display Upgrade 12 40 Fetal Movement Detection 12 40 ...

Страница 334: ...ore items in anti static bags or boxes Do not remove items from anti static containers until needed Equipment Required You will need the following equipment Phillips Screwdriver Universal Plastic Leaded Chip Carrier PLCC Extractor Hand Tool for software version 3 01 upgrade only Anti Static Wristband Static Free Work Surface Testing CAUTIONS Following completion of any upgrade procedure LEAKAGE TE...

Страница 335: ...the power cord from the monitor 2 Remove the nine screws which secure the monitor top cover Four screws are located on the bottom of the monitor and five screws are located in the back 3 Remove the cover by sliding it toward the rear of the monitor 4 Remove the four screws which attach the blank cover plate to the rear panel 5 Discard the cover plate and corresponding four screws 6 Remove the Comm...

Страница 336: ...s Board it is only supported in software as part of the Spectra Alerts option The board is shipped with a plug inserted in J104 14 Re connect the monitor power cord and turn on the monitor 15 Test all functions of the devices connected to the monitor 16 Fill out the Update Installation Verification Form included in the kit Be sure to include the monitor s serial number and catalog number on the fo...

Страница 337: ...120 Series Maternal Fetal Monitor 12 5 2015590 001 Upgrading a 120 Series Monitor Communications Option Upgrade Kit Figure 12 1 Top View J5 A MATER Sp FECG M U US U J6 J4 J10 J1 J7 J2 J1 J2 J9 J1 Main Motherboard ...

Страница 338: ...nal Fetal Monitor Revision B 2015590 001 Upgrading a 120 Series Monitor Communications Option Upgrade Kit Figure 12 2 Main Motherboard Figure 12 3 Rear Panel Switch Pack SW1 Communications Board Connector BP Board Connector ...

Страница 339: ...scard these plugs 3 Remove the nine screws which secure the monitor top cover Four screws are located on the bottom of the monitor and five screws are located in the back 4 Remove the cover by sliding it toward the rear of the monitor 5 Disconnect the display interconnect cable from the DSP Board at J5 Refer to Figure 12 4 6 Disconnect the ribbon cable from the Recorder Board at J2 Leave the other...

Страница 340: ... the ribbon cable from the Main Motherboard to J2 on the Recorder Board 24 Re connect the display interconnect cable to the DSP Board at J5 25 Remove the adhesive backing from the overlay label and carefully align over the front panel membrane switches Refer to Figure 12 7 26 Remove the Blood Pressure Board from its anti static container 27 Insert the Blood Pressure Board into the slot labeled J4 ...

Страница 341: ...e 12 10 40 Connect the front panel MSpO2 harness cable to J6 on the Oximeter Carrier Board NOTE The MSpO2 harness cable is already connected to the front panel in all 120 Series Monitors 41 If FSpO2 is installed in your monitor re connect the front panel FSpO2 harness cable to J1 on the FSpO2 Board 42 Replace the hold down cover for the front end boards and secure with all four screws 43 Locate sw...

Страница 342: ...onitor Nellcor MSpO2 and NBP Option Upgrade Kit 49 Fill out the Update Installation Verification Form included in the kit Be sure to include the monitor s serial number and catalog number on the form Follow the instructions to fax the form to GE Figure 12 4 DSP Board J5 Display Connector ...

Страница 343: ...nd NBP Option Upgrade Kit Figure 12 5 Top View J5 A MATER Sp FECG M U US U J6 J4 J10 J1 J7 J2 J1 J2 J9 J1 BP Board Notch in DSP Board BP Board Connector on Main Motherboard Oximeter Carrier Board Clip for MSpO2 ferrite bead Front Panel Overlay Label Recorder Cavity Divider Recorder Board Attach BP tubing here ...

Страница 344: ... MATERNAL SpO2 FECG MECG UA US2 US J6 J7 BP Clip for FSpO2 cable ferrite bead if installed Clip for FECG MECG ferrite beads Ferrite bead is moun clip attached to back display shield on fro if FSpO2 installed Clip for FECG MECG ferrite beads Clip for FSpO2 cable ferrite bead if FSpO2 installed Ferrite bead is mounted to clip attached to back side of display shield on front bezel if FSpO2 installed ...

Страница 345: ...ellcor MSpO2 and NBP Option Upgrade Kit Figure 12 7 Front Panel Overlay Label Figure 12 8 Main Motherboard Test Volum Volum Volum Volum Alarm Silence BP Start Stop Mark Offset UA Reference Paper Advance Record Power Switch Pack SW1 Communications Board Connector BP Board Connector Switch Pack SW1 ...

Страница 346: ... 14 120 Series Maternal Fetal Monitor Revision B 2015590 001 Upgrading a 120 Series Monitor Nellcor MSpO2 and NBP Option Upgrade Kit Figure 12 9 Oximeter Carrier Board Use flat washer Use shoulder washer ...

Страница 347: ...0 Series Maternal Fetal Monitor 12 15 2015590 001 Upgrading a 120 Series Monitor Nellcor MSpO2 and NBP Option Upgrade Kit Figure 12 10 Front End Motherboard Oximeter Carrier Board Connectors UA FECG Board Connectors ...

Страница 348: ... Series Monitor Nellcor MSpO2 and NBP Option Upgrade Kit Figure 12 11 NBP and MSpO2 Areas on Display Figure 12 12 NSP MSpO2 and FSpO2 Areas on Display INOP INOP 03 22 45 ALARMS SETUP VSHX NBP PULSE INOP MSpO2 INOP INOP 03 22 45 ALARMS SETUP VSHX NBP PULSE INOP MSpO2 WaveformiArea ...

Страница 349: ...nnect cable from the DSP Board at J5 Refer to Figure 12 4 6 Disconnect the ribbon cable from the Recorder Board at J2 Leave the other end connected to the Main Motherboard Refer to Figure 12 5 7 Disconnect the Power Supply cable harness from the Recorder Board at J1 Refer to Figure 12 5 8 Disconnect the ribbon cable from the membrane switch panel Leave the other end connected to the DSP Board 9 Re...

Страница 350: ... carefully align over the front panel membrane switches Refer to Figure 12 7 26 Remove the Blood Pressure Board from its anti static container 27 Insert the Blood Pressure Board into the slot labeled J4 on the Main Motherboard Refer to Figure 12 8 28 Secure the board to the chassis using the two 6 32 x 3 8 screws provided in the kit 29 Route the blood pressure tubing through the notch at the top o...

Страница 351: ... the front panel FSpO2 harness cable to J1 on the FSpO2 Board 42 Replace the hold down cover for the front end boards and secure with all four screws 43 Locate switch pack SW1 on the Main Motherboard and set switches 6 and 7 to the OFF position See Figure 12 8 This enables the MSpO2 and Blood Pressure Boards to communicate with Main Motherboard 44 Ensure that the blood pressure tubing remains rout...

Страница 352: ...12 20 120 Series Maternal Fetal Monitor Revision B 2015590 001 Upgrading a 120 Series Monitor Nellcor MSpO2 and NBP Option Upgrade Kit Figure 12 13 DSP Board J5 Display Connector ...

Страница 353: ...ies Monitor Nellcor MSpO2 and NBP Option Upgrade Kit Figure 12 14 Top View RED BP Board Notch in DSP Board BP Board Connector on Main Motherboard Oximeter Carrier Board Clip for MSpO2 ferrite bead Front Panel Overlay Label Recorder Cavity Divider Recorder Board Attach BP tubing here ...

Страница 354: ...BP Option Upgrade Kit Figure 12 15 Partial Inside Front Panel with Bezel Removed FSpO2 MATERNAL SpO2 FECG MECG UA US2 US J6 J7 BP Clip for FSpO2 cable ferrite bead if installed Clip for FECG MECG ferrite beads Ferrite bead is mounted to clip attached to back side of display shield on front bezel if FSpO2 installed ...

Страница 355: ...Option Upgrade Kit Figure 12 16 Front Panel Overlay Label Figure 12 17 Main Motherboard Alarm Silence Volume Volume Mark Offset Record UA Reference Paper Advance Trim Knob Power Test BP Start Stop Switch Pack SW1 Communications Board Connector BP Board Connector Switch Pack SW1 Comm Board Connector BP Board Connector ...

Страница 356: ... 24 120 Series Maternal Fetal Monitor Revision B 2015590 001 Upgrading a 120 Series Monitor Nellcor MSpO2 and NBP Option Upgrade Kit Figure 12 18 Oximeter Carrier Board Use flat washer Use shoulder washer ...

Страница 357: ...0 Series Maternal Fetal Monitor 12 25 2015590 001 Upgrading a 120 Series Monitor Nellcor MSpO2 and NBP Option Upgrade Kit Figure 12 19 Front End Motherboard Oximeter Carrier Board Connectors UA FECG Board Connectors ...

Страница 358: ... Series Monitor Nellcor MSpO2 and NBP Option Upgrade Kit Figure 12 20 NBP and MSpO2 Areas on Display Figure 12 21 NSP MSpO2 and FSpO2 Areas on Display INOP INOP 03 22 45 ALARMS SETUP VSHX NBP PULSE INOP MSpO2 INOP INOP 03 22 45 ALARMS SETUP VSHX NBP PULSE INOP MSpO2 WaveformiArea ...

Страница 359: ...015590 001 Upgrading a 120 Series Monitor Masimo MSp02 Upgrade Kit Masimo MSp02 Upgrade Kit To upgrade from Nellcor MSp02 to Masimo MSp02 your monitor must be shipped to depot repair Contact your local service center to make arrangements for this upgrade ...

Страница 360: ...The UA FECG Board is the second board from the right in the front end section Refer to Figure 12 22 6 Remove the MECG Board from its anti static container 7 Mount the MECG Board onto the UA FECG Board at the headers labeled J5 and J6 Refer to Figure 12 1 8 Secure the MECG Board with the two screws provided in the kit One screw is placed at the top left the other at the bottom right See Figure 12 1...

Страница 361: ...7 18 Exit the setup screen then verify that the MECG parameter title displays Refer to Figure 12 28 19 Fill out the Update Installation Verification Form included in the kit Be sure to include the monitor s serial number and catalog number on the form Follow the instructions on the form to fax or mail the form to GE Figure 12 22 UA FECG Board J5 A MATER Sp FECG M FECG M U US U J6 J4 J10 J1 J7 J2 J...

Страница 362: ...12 30 120 Series Maternal Fetal Monitor Revision B 2015590 001 Upgrading a 120 Series Monitor MECG Option Upgrade Kit Figure 12 23 UA FECG Board Screw hole Headers to mount MECG Board Screw hole ...

Страница 363: ...ion B 120 Series Maternal Fetal Monitor 12 31 2015590 001 Upgrading a 120 Series Monitor MECG Option Upgrade Kit Figure 12 24 Front End Motherboard Oximeter Carrier Board Connectors UA FECG Board Connectors ...

Страница 364: ...Revision B 2015590 001 Upgrading a 120 Series Monitor MECG Option Upgrade Kit Figure 12 25 MECG Board Figure 12 26 Main Motherboard Connect front panel MECG harness cable here Switch Pack SW1 Communications Board Connector BP Board Connector ...

Страница 365: ... Series Maternal Fetal Monitor 12 33 2015590 001 Upgrading a 120 Series Monitor MECG Option Upgrade Kit Figure 12 27 MHR P Setup Screen Figure 12 28 MHR Area on Display MECG 15 52 58 INOP INOP INOP ALARMS SETUP VSHX ...

Страница 366: ...12 1 4 Disconnect the membrane switch panel ribbon cable from the DSP Board at J4 Refer to Figure 12 30 and Figure 12 1 5 Disconnect the blood pressure tubing from the nipples located at the divider to the recorder cavity Unthread the tubing from the notch at the top of the DSP Board Leave the other end of the tubing attached to the Blood Pressure Board Refer to Figure 12 30 6 Remove the two screw...

Страница 367: ...e display interconnect cable to the DSP Board at J5 19 Replace the top cover and secure all nine screws 20 Re connect the monitor power cord and turn on the monitor 21 Use the Trim Knob control to access the first Service screen Refer to Figure 12 32 22 Verify that the CPU version is V3 5 and the DSP version is 03 07 Refer to Figure 12 32 23 Fill out the Update Installation Verification Form provi...

Страница 368: ...590 001 Upgrading a 120 Series Monitor Software Version 3 5 Figure 12 29 Top View J5 A MATER Sp FECG M U US U J6 J4 J10 J1 J7 J2 J1 J2 J9 J1 Notch in DSP Board BP Board Display Cable Membrane Switch Panel Cable Nipples for BP Tubing Recorder Cavity Divider ...

Страница 369: ...sion B 120 Series Maternal Fetal Monitor 12 37 2015590 001 Upgrading a 120 Series Monitor Software Version 3 5 Figure 12 30 DSP Board J5 Display Connector J4 U8 U9 Membrane Switch Panel Connector Flash ROMs ...

Страница 370: ...tal Monitor Revision B 2015590 001 Upgrading a 120 Series Monitor Software Version 3 5 Figure 12 31 Main Motherboard Switch Pack SW1 Communications Board Connector BP Board Connector U U 31 32 J4 J7 Flash ROMs DSP Board Connector ...

Страница 371: ...vision B 120 Series Maternal Fetal Monitor 12 39 2015590 001 Upgrading a 120 Series Monitor Software Version 3 5 Figure 12 32 Service Screen SERVICE LOCK ENTER ACCESS CODE 0 0 0 0 CPU V3 52 DSP 03 07 EXIT ...

Страница 372: ...n Flasher is a software utility program which uses one of the monitor s RS 232 serial ports to install a purchased option such as fetal movement detection Each Flasher disk contains the software upgrade for one time use only In other words you need an individual Flasher disk for each monitor being upgraded The kit comes with an instruction manual for running the Flasher software The available kits...

Страница 373: ...001 Chapter 13 Technical Specifications 13 This section contains a detailed list of the technical specifications for the 120 Series Monitor This chapter lists specifications for the following General Monitor 13 2 Operating Modes 13 3 Strip Chart Recorder 13 8 ...

Страница 374: ...perating Storage 50 F to 104 F 10 C to 40 C 14 F to 131 F 10 C to 55 C 10 to 95 non condensing 0 to 95 non condensing 700 1060 mbar 525 795 mmHg 700 1060 mbar 525 795 mmHg 50 F to 104 F 10 C to 40 C 80 F 26 5 C 30 to 70 non condensing 45 to 65 non condensing 700 1060 mbar 525 795 mmHg 700 1060 mbar 525 795 mmHg Certification ANSI AAMI EC13 1992 UL 2601 1 CUL Complies with all areas except those li...

Страница 375: ...ins frequency 10 µV peak to peak 10 MΩ 20 MΩ 40 dB 60 µA at 254 VAC electrically isolated 4 kVAC Ultrasound Mode Technique Transducer Type Pulse Repetition Frequency Single Ultrasound Mode Dual Ultrasound Mode Pulse Duration Transmitter Frequency Spatial Peak Temporal Average Intensity Spatial Average Temporal Average Intensity Focal 20 dB Beam Area Peak Instantaneous Intensity Peak Negative Acous...

Страница 376: ...onse Time Pacemaker Detection Rejection Input Voltage Range Input Pulse Width Pulse Rise Fall Time Overshoot Undershoot Peak detecting beat to beat cardiotachometer Medtronic 1700 003 or equivalent I II and III 30 240 BPM 1 BPM 1 second average 1 update per second 0 5 mV to 5 mV peak to peak 0 5 mV RTI 0 8 x QRS amplitude 2 seconds 3 seconds 10 seconds high alarm limit at 100 BPM 300 mVdc maximum ...

Страница 377: ...c diastolic and mean pressure pulse rate Alternating 1 5 second chimes 773 Hz and 523 Hz Flashing pressure numeric or message User selectable high and low systolic diastolic and mean pressures User selectable high and low pulse rate Cuff errors connection errors insufficient signal excessive inflation or determination times overpressure hose errors excessive motion communication problem or self te...

Страница 378: ...ser selectable high and low pulse rate Sensor errors connection errors insufficient signal excessive motion communication problem internal calibration error or self test failure 1 The accuracy of a given oxygen range is valid for only 68 of the data points taken and the remaining 32 of the data points are not counted in the specification Maternal Pulse Oximetry Mode Masimo Range Saturation Sp02 Pu...

Страница 379: ...nduced hypoxia studies while performing rubbing and tapping motions at 2 to 4 Hz at an amplitude of 1 to 2 cm and a non repetitive motion before 1 to 5 Hz at an amplitude of 2 to 3 cm in induced hypoxia studies in the range of 70 100 SpO2 against a laboratory co oximeter and ECG monitor This variation equals plus or minus one standard deviation Plus or minus one standard deviation encompasses 68 o...

Страница 380: ...M 1 BPM Fetal Pulse Oximetry FSpO2 Scale Chart Width Scaling Range Resolution Domestic International 4 cm 4 cm 10 cm or 25 cm 12 5 cm or 25 cm 0 100 0 100 1 1 Uterine Activity Scale Chart Width Scaling Range Resolution Strain Gauge Tocotransducer 4 cm 4 cm 25 mmHg cm 25 relative units cm 0 100 mmHg 0 100 relative units 1 mmHg 1 relative unit Maternal Pulse Oximetry MSpO2 Scale Chart Width Scaling ...

Страница 381: ...olving field installed upgrades the revision level of a diagram or parts list in this manual may not reflect the revision level of your unit s subassemblies When discrepancies are found contact your GE Medical Systems Information Technologies Service Representative Fab drawings are not contained in this manual IMPORTANT FRUs Major sub assemblies are usually configured as FRUs field replacement uni...

Страница 382: ...AS and Marquette Technology Boards Nautilus Ultrasound Transducer Final Assembly 5700 Series Dual Ultrasound Board 14806B Nautilus Tocotransducer Final Assembly 2264 Series DSP Digital Signal Processing Front Panel Interface Board 2001903 001 Interconnect Cable for Part 11888 13076A Spacer Display Frame for Part 11888 14237AA Recorder LED Board 2002570 002 Isolated Power Supply Board 2003035 001 r...

Страница 383: ...n Board 11619F Recorder Board 2003039 001 Isolated Power Supply Board 2003035 001 Flasher Software Utility Upgrade for English monitors 1208CAO Flasher Software Utility Upgrade for non English monitors 1208DAO EEPROM Replacement Kit for English monitors 1201LAO EEPROM Replacement Kit for non English monitors 1201MAO Strip Chart Paper 4305AA0 CAO HR scale of 30 240 BPM Strip Chart Paper 4305BAO DAO...

Страница 384: ...e Kit Nellcor NBP MSpO2 non English monitors with a 3 inch x 3 75 inch display 1210BAO Upgrade Kit Nellcor NBP MSpO2 English monitors with a 3 5 inch x 4 5 inch display 1210CAO Upgrade Kit Nellcor NBP MSpO2 non English monitors with a 3 5 inch x 4 5 inch display 1210DAO Upgrade Kit Masimo 2017259 001 Contact GE Service Monitor must be shipped to depot repair to upgrade Oximeter Carrier Board Masim...

Страница 385: ...the latest revision for your monitor 3 5 inch x 4 5 inch Display Upgrade non English monitors 2009256 003 3 5 inch x 4 5 inch Display Upgrade non English monitors 2009256 004 Fetal Movement Detection English monitors 1202AAO Fetal Movement Detection non English monitors 1202BAO Assembly Leakage Cable 120 Series 2009726 001 Table 14 1 Replacement Parts Name FRU or Part No ...

Страница 386: ...1 Sealing tape 11043AA Table 14 3 CMR Jack Components Part Description Order Number Pressure Connector 6158J 475 Ω 1 8 W 1 Resistor 472127 Nautilus Transducer Type and Cat No REF Kit Cat No REF Calibration Loop Style Tocotransducer 2264 DAX EAX FAX KAX LAX MAX 2003663 001 Calibration Button Style Tocotransducer 2264 AAX BAX CAX GAX HAX JAX 2003664 001 Top Cover Loop Style Ultrasound Transducer 570...

Страница 387: ...one of the following numbers Inside the United States 1 800 558 5120 Outside the United States 1 414 355 5000 or contact your local distributor This section contains the following General Troubleshooting 15 2 Ultrasound Troubleshooting 15 3 FECG Troubleshooting 15 4 Fetal Pulse Oximetry Troubleshooting 15 5 External Uterine Activity Troubleshooting 15 8 Internal UA Troubleshooting 15 9 MECG Troubl...

Страница 388: ...nd off every second Recorder does not function the Record indicator is off the message PAPER INCORRECTLY LOADED RELOAD WITH BLACK SQUARES DOWN is shown in maternal waveform area Recorder does not function and the Record indicator is on Recorder is off out of paper or paper is incorrectly loaded Recorder is in maternal only mode Paper supply is low Paper loaded backwards Service required Press Reco...

Страница 389: ...is securely attached to monitor Wait before moving transducer FHR often returns Reposition transducer Apply more gel Replace transducer Use alternate technique Auscultate FHR Call Biomedical Engineering Department Static noise on ultrasound Active fetus Environmental noise Maternal movement Defective transducer Reposition transducer Keep sheets and gown off transducer Do not hold transducer with h...

Страница 390: ...ctrode not properly attached No FECG signal Defective electrode Defective attachment pad Service required Ensure transducer is securely attached to the monitor Secure attachment pad or legplate to patient Inspect legplate connection Check ECG paste re apply if necessary Replace electrode Auscultate FHR Replace electrode Replace attachment pad Call Biomedical Engineering Department Rate in FHR area...

Страница 391: ...ulations have been corrected appropriately for relevant variables Refer to the equation in Principles of Operation on page 6 6 of the Corometrics 120 V3 5 Series Operator s Manual for more information Observe all instructions warnings and cautions in this manual and in the 120 Series Operator s Manual Check sensor placement to ensure that it is properly positioned on the fetus Displayed FSpO2 does...

Страница 392: ...s Ensure that the displayed FSpO2 is fetal and not maternal Patient module cannot be connected Invalid fetal patient module Damaged fetal patient module Use only a Corometrics Fetal Patient Module Check for bent connector pins Replace with another Corometrics Fetal Patient Module Pulse Search icon is displayed Pulse Amplitude appears to indicate pulses but there is no FSpO2 reading displayed Fetal...

Страница 393: ...age shown in FSpO2 area of display Communication error between the built in FSpO2 module and the remainder of the monitor circuitry Contact Biomedical Engineering Department FHR slows during or immediately after sensor placement Changes in intracranial pressure due to examination could cause a reflex bradycardia stimulus Stop the exam Do not proceed with sensor placement Wait for the FHR to return...

Страница 394: ...rence pushbutton while no pressure is applied to transducer button Re apply transducer Do not overtighten belt Press UA Reference pushbutton again between contractions Flashing sign Relative pressure 100 Press the UA Reference pushbutton between contractions CHECK TOCO message is shown in UA area of the display area when the UA Reference pushbutton is pressed UA Reference pushbutton pressed before...

Страница 395: ...has fallen out of place Catheter or strain gauge not zeroed Service required Ensure transducer is securely attached to monitor Flush dome and catheter Replace dome Adjust strain gauge height Replace catheter Calibrate catheter or strain gauge Call Biomedical Engineering Department CHECK IUP message displayed in UA area of the display Blockage in fluid filled catheter Fetus pressing directly on cat...

Страница 396: ...ctrodes properly Electrode gel dried Defective MECG cable Service required Selected lead providing inadequate signal Ensure transducer is securely attached to monitor Re apply electrodes Check clip attachments Check electrodes and re apply gel if necessary Replace cable Call Biomedical Engineering Department Change lead selection on MHR P Setup screen Dashes shown in MHR P area of display Monitor ...

Страница 397: ...ent limb movement If this is not the case contact Biomedical Engineering Department Check the external cuff for kinks Perform pneumatic test LEAK message displayed in NBP area of display Pneumatic leak air leak or loose cuff Check cuff for snug fit Check cuff and hose connections for leaks COMM message displayed in NBP area of display Communication error between the built in NBP module and the rem...

Страница 398: ... sensor Excessive maternal movement Excessive ambient light Damaged sensor Check patient The patient may be experiencing shock hypotension severe vasoconstriction severe anemia hypothermia arterial occlusion proximal to the sensor or cardiac arrest Ensure that the intermediate cable is firmly attached to the monitor and to the sensor assembly Ensure sensor is not too tight Move sensor to another l...

Страница 399: ...Revision B 120 Series Maternal Fetal Monitor A 1 2015590 001 Appendix A Factory Defaults A Factory Defaults are found in the table that follows ...

Страница 400: ...imits High Low 160 120 BPM 200 140 Off 60 140 Off Audio Alarms On On Off Volume 5 1 9 FSp02 Response Time Averaging Mode Slow Slow Fast Print Interval 5 min Off 2 5 10 15 30 60 min 02 Trace On On Off NBP Display On On 1 2 3 5 10 15 30 min Mode Manual Manual Auto 1 2 3 4 5 10 15 20 30 40 45 60 90 120 min NBP Reading Done 5 0 9 Alarm Systolic Diastolic MAP MHR P High Low 160 90 mmHg 90 50 mmHg 140 5...

Страница 401: ...100 95 120 50 BPM High Low 85 100 Off 80 99 Off 100 250 Off 35 120 Off Audio Alarms On On Off Volume 5 1 9 MHR P Source Auto Auto MECG MSp02 NBP MHR P Trace Off On Off Volume 5 0 9 Alarms High Low 120 50 BPM High Low 100 250 35 120 Audio Alarms On On Off Alarm Volume 5 1 9 MECG Lead II I II III Pacer Off On Off Normal Operation Waveform Display MECG FECG MECG FSp02 MSp02 Off MECG Waveform Size 1X ...

Страница 402: ...t to current local date and time Set to current local date and time Play Song Off Off Happy Birthday Brahm s Lullaby Rock a Bye Baby All Volume 5 0 9 SpO2 Scale 0 100 Auto 0 100 Does not change Paper Speed United States 3 cm min International 1 cm min 1 3 cm min Paper Chime Out Only Off Low out Out only Volume 5 1 9 Light on recorder On On Off MSpO2 Print Interval External Monitor 5 min Off 2 5 10...

Страница 403: ...anguage Set according to shipping destination Set according to shipping destination NBP 1 Minute Interval On On Off HR Heart Rate Offset On with 10 min Auto Revert Off On 10 min Default TOCO Reference 10 relative units 5 10 15 20 25 relative units FM Fetal Movement Remote Mark On On Off COROLAN Address Checking Off On Off HBC Heartbeat Coincidence Enable On On Off VS Vital Signs Print Interval Rea...

Страница 404: ...A 6 120 Series Maternal Fetal Monitor Revision B 2015590 001 Factory Defaults Table of Defaults For your notes ...

Страница 405: ...Revision B 120 Series Maternal Fetal Monitor B 1 2015590 001 Appendix B Alarms Summary B A summary of the 120 series alarms is found in the table that follows ...

Страница 406: ...low actively being violated or Unsilenced resolved FHR limit violation the limit was violated but the FHR has since returned to the normal range before clinical acknowledgement For continuous limit violations a high alarm activates after 5 minutes a low alarm activates after 30 seconds About Latching Alarms The FHR limit alarms are latching alarms which means that a clinician must acknowledge the ...

Страница 407: ...s CHECK CUFF LEAK COMM MOTION WEAK SIGNAL or REPAIR message displays in NBP area Alternating high low tones if audio enabled MHR Pa An alarm setting audio or high low limit is turned off Alarm Defaults Audio on Volume 5 Limits High 120 BPM Low 50 BPM Re alarm 120 sec displays to the left of the MHR P mode title MHR P limit high or low actively being violated The tachycardia response time is 8 seco...

Страница 408: ...MSpO2 numeric flashes MSpO2 value and pulse rate print on the strip chart Alternating high low tones if audio enabled Malfunction with MSpO2 circuitry COMM or REPAIR message displays in MSpO2 area Alternating high low tones if audio enabled MSpO2 intermediate cable disconnected from monitor sensor assembly disconnected from intermediate cable or sensor or cable has a broken wire Dashes in place of...

Страница 409: ...Revision B 120 Series Maternal Fetal Monitor C 1 2015590 001 Appendix C Drawings C ...

Страница 410: ...C 2 120 Series Maternal Fetal Monitor Revision B 2015590 001 Drawings For your notes ...

Страница 411: ...ard Oximeter Carrier Board FECG UA Board Iso Power Supply Board EL Display Boards Recorder Board Power Supply Assembly Recorder Assembly Main CPU Front End Motherboard Analog Interface Board NBP Board DSP Front Panel Interface Board OVERALL LAYOUT 1 2 BLOCK DIAGRAM FSpO 2 Board MECG Board ...

Страница 412: ......

Страница 413: ...36 AC Input Module Internal Fan 10 Wire Front Panel Power Switch 4 Wire 4 Wire 4 Pin 20 Wire 6 Wire 3 Wire Recorder Head Recorder Motor Paper Low Sensor Recorder Module 10 Pin Power Supply Header 20 Pin Ribbon Header 20 Pin Ribbon 20 Pin Ribbon Header 8 Pin Header 4 Pin Header Recorder Board No 14085 26 Pin 26 Pin Isolated Power Supply No 13544 24 Pin Optional 100 Pin 20 Pin Front End Motherboard ...

Страница 414: ......

Страница 415: ...ols Audio Amplifier and Mixer Communication Module 1 RS 232 UART for ext MSp02 2 RS 232 UART for ext NBP 3 RS 232 UART for ext FSp02 4 Corolan Interface 5 Internal MSp02 UART 6 Internal BP UART 7 Internal FSp02 UART Audio Module To Recorder Module Main Board To Ultrasound Board US1 US2 OPTIONS INTERFACE Comm Board NBP Board DSP Front Panel Interface Spare Slot unused 1 J102 Interface 2 Keyboard 1 ...

Страница 416: ......

Страница 417: ...52 Processor 2 32k x 16 RAM 3 128k x 16 FLASH ROM 4 Address Decoder Control Status Mode Interface Buffers Transceivers Start Conversion 16 Bit Shift Register IUP Interface Buffers 10 5 V Ref Buffer A D Converter Buffer to processor bus 16 Channel Multiplexor ANALOG CONVERSION MODULE 1k X8 Shared Memory 8 bit data address control Main Board Interface Connector MUX and A D Control Status Lines 4 2 5...

Страница 418: ......

Страница 419: ...ator Address BUSY 16 Bit Data 16 Bit Data Chip Select Address Control Sync Lines Data Clock Output Latch Sync Lines Data Clock Control Latch Switch Buffers 16 Bit 16 Switch Lines LED Control INV Pattern and Stop Scan To Front Panel Board To Main Board EL Panel Interface Front Panel Switch Interface To Main Board DSP BOARD 2 2 BLOCK DIAGRAM ...

Страница 420: ......

Страница 421: ...E LOW GAIN PULSES CPU EPROM RAM PUMP VALVE VALVE Vcc DETECT CRYSTAL CLOCK DIVIDER DRIVERS VOLTAGE REFERENCE A D CONVERTER WATCHDOG OVERPRESSURE SWITCH INSTRUMENTATION AMPLIFIER PRESSURE TRANSDUCER GATED AMPLIFIER AMPLIFIER VOLTAGE REGULATOR NBP MODULE Manufactured by CAS Medical Systems Incorporated BLOCK DIAGRAM ...

Страница 422: ......

Страница 423: ...15590 001 DC Amplifier NBP MODULE Manufactured by Corometrics BLOCK DIAGRAM Valves Pump Control ASIC High Pass Filter AC Amplifier RS 232 To Main Board EPROM Proc Proce VREF Offset Amplifier VREF Pressure XDCR Cuff A D Processor Instrumentation Amplifier ...

Страница 424: ......

Страница 425: ...ceive Buffer Buffer Buffer Telemetry Input Protection Data Bus Address Control To Main Board Address Decoder and Keyboard Interface PAL HP Level Control Decodes To J102 BUSY INVLD RST TMark Telpr enables ECG TOCO US TMark Telpr enables ECG TOCO US To Telemetry IBF KBDIN MARK STB To Keyboard KB Data Keyboard Receive Data Latch COMMUNICATIONS BOARD BLOCK DIAGRAM ...

Страница 426: ......

Страница 427: ...IAGRAM 15 V 500 mA 5 V 2 8 A 5 V 600 mA 20 V 900 m A 20 V 1 25 A 15 V 750 mA 15 V 800 mA 12 V 580 mA 12 V 1 5 A 5 V Switching Regulator 15 V Linear Regulator 15 V Switching Regulator 12 V Switching Regulator Fan Synchronization Main Converter and Isolation Transformer Input Noise Filtering and Rectification 20 Vdc Sync Input ...

Страница 428: ......

Страница 429: ...ctured by Planar Systems Inc BLOCK DIAGRAM DISPLAY ELEMENT COLUMN DRIVERS ROW DRIVERS COLUMN COMPOSITE DRIVER OPTO ISOLATORS DATA SPLITTER CONTROLLER STATE MACHINE ROW COMPOSITE GENERATORS POWER SUPPLY 1 320 1 256 VH VMOD VL VID VCLK VS HS Vcc1 GND VL VH VMOD VPOSWRT VNEGWRT VPOSWRT VNEGWRT Vcc2 ...

Страница 430: ......

Страница 431: ...39 4 5 GMAX 220 G 1 G 200 MAX G 1 G 7 TO 17 G 10 AUDIO ENV F MOVE 15 39 4 5 300 100 G 7 5 72 1 55 1 G 7 5 GMAX 220 20 2 20 2 55 1 30 30 300 100 4 4 72 1 XDCR B Z 20 XDCR A Z 20 Input FET Pin Diode Switches PREAMP Ultrasound Transmitter Digital Logic TEL AUDIO US TEL AUDIO ENB A ENB B CW SYNC G 50 Series LC Tank Zin 15 ý G 4 G 5 Channel Select Analog Switches Analog Switches Fetal Movement Band Pas...

Страница 432: ......

Страница 433: ...r 90 Hz AV 100 Inst Amplifier RA LA RL HP Filter 90 Hz Amplifier AV 10 FECG OUT Control Switch MECG OUT MECG from option board FECG Section Block Diagram FECG UABoard AV 10 80 dB FECG OUT HP Filter 0 7 Hz AV 1 LP Filter 35 Hz AV 1 Amplifier AV 10 FECG BOARD BLOCK DIAGRAM HP Filter 1 Hz AV 1 ...

Страница 434: ......

Страница 435: ...P Filter AV 1 MUX Baseline Restorer Linear Opto Isolator LP Filter 90 Hz AV 1 Integrator Control Control MECG Out Control Inverting Buffer Amp Control Control RA LA RL Common Mode Signal Lead Off Detection 50 60 Notch Filter Pacemaker Rejector Slew Rate Limiter Pacemaker Detector In Out In Offset MECG BOARD BLOCK DIAGRAM ...

Страница 436: ......

Страница 437: ...Paper Out Paper Load Paper Low Head Supply Module 13 18 V Adjustable From Power Supply From Main Board P1 P4 Phases VHEAD VHGND HDSHUT GND LOAD CK DATA IN STB1 STB2 STB3 STB4 BEO LOAD CK DATA IN STB1 STB2 STB3 STB4 BEO GND Paper Out Sensor Paper Load Sensor Paper Low Sensor GND 5 V 20 V HD SHUTDOWN 5 V GND RECORDER BOARD BLOCK DIAGRAM ...

Страница 438: ......

Страница 439: ......

Страница 440: ...esentative GE Medical Systems Information Technologies GmbH Munzinger Straße 3 5 D 79111 Freiburg Germany Tel 49 761 45 43 0 Fax 49 761 45 43 233 Asia Headquarters GE Medical Systems Information Technologies Asia GE China Co Ltd 24th Floor Shanghai MAXDO Center 8 Xing Yi Road Hong Qiao Development Zone Shanghai 200336 P R China Tel 86 21 5257 4650 Fax 86 21 5208 2008 0459 gemedical com ...

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