Beneview T5 Service Manual Rev 1.0 Jan 2007

Intellectual Property Statement SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD. (hereinafter called Mindray) owns the intellectual property rights to this product and this manual. This manual may refer to information protected by copyrights or patents and does not convey any license under the patent rights of Mindray, nor the rights of others. Mindray does not assume any liability arising out of any infringements of patents or other rights of third parties. Mindray intends to maintain the contents of this manual as confidential information. Disclosure of the information in this manual in any manner whatsoever without the written permission of Mindray is strictly forbidden. Release, amendment, reproduction, distribution, rent, adaption and translation of this manual in any manner whatsoever without the written permission of Mindray is strictly forbidden.

,

and

are the registered trademarks or trademarks owned

by Mindray in China and other countries. All other trademarks that appear in this manual are used only for editorial purposes without the intention of improperly using them. They are the property of their respective owners. Contents of this manual are subject to changes without prior notice.

I

FOR YOUR NOTES

II

Preface Manual Purpose This manual provides detailed information about the assembling, dissembling, testing and troubleshooting of the equipment to support effective troubleshooting and repair. It is not intended to be a comprehensive, in-depth explanation of the product architecture or technical implementation. Observance of the manual is a prerequisite for proper equipment maintenance and prevents equipment damage and personnel injury. This manual is based on the maximum configuration; Therefore, some contents may not apply to your monitor. If you have any question, please contact our Customer Service Department.

Intended Audience This manual is for biomedical engineers, authorized technicians or service representatives responsible for troubleshooting, repairing and maintaining the patient monitors.

Revision History This manual has a revision number. This revision number changes whenever the manual is updated due to software or technical specification change. Contents of this manual are subject to change without prior notice. „

Revision number: 1.0

„

Release time:

January 2007

© 2007 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. All rights reserved.

III

Abbreviations Abbreviations used in this manual are: MPM

multi-parameter module

SMR

satellite module rack

CMS

central monitoring system

Passwords A password may be required to access different modes within the monitor. The passwords are listed below: „

User maintenance:

888888

„

Factory maintenance:

332888

„

Demo mode:

2088

IV

Contents

Contents 1 Safety ... 1-1 1.1 Safety Information ... 1-1 1.1.1 DANGER ... 1-2 1.1.2 Warnings... 1-2 1.1.3 Cautions ... 1-2 1.1.4 Notes ... 1-3 1.2 Equipment Symbols ... 1-3 2 Theory of Operation ... 2-1 2.1 Introduction... 2-1 2.2 System Connections ... 2-2 2.2.1 Mounting the Patient Monitor ... 2-2 2.2.2 Connectors for Peripheral Devices... 2-3 2.3 Main Unit ... 2-4 2.3.1 Input System ... 2-5 2.3.2 Output System... 2-6 2.3.3 Processing and Communications System... 2-8 2.3.4 Power Management System ... 2-10 2.3.5 Equipment Interface System ... 2-13 2.4 Parameter Module ... 2-15 2.4.1 Module Communication Board... 2-15 2.4.2 Module Power Board ... 2-15 2.4.3 Module Button Board... 2-15 2.4.4 Parameter Board... 2-15 2.5 SMR ... 2-16 3 Testing and Maintenance... 3-1 3.1 Introduction... 3-1 3.1.1 Test Report ... 3-2 3.1.2 Recommended Frequency ... 3-2 3.2 Visual Test ... 3-3 3.3 Power On Test ... 3-4 3.4 Module Performance Tests... 3-4 3.4.1 Mainstream CO2 Tests... 3-4 3.4.2 Sidestream and Microstream CO2 Module Test ... 3-5 3.4.3 ECG Tests... 3-6 3.4.4 Resp Performance Test... 3-7 3.4.5 NIBP Tests... 3-8 1

Contents 3.4.6 IBP Tests...3-11 3.4.7 SpO2 Test... 3-13 3.4.8 C.O. Test... 3-13 3.4.9 Temp Test ... 3-13 3.4.10 BIS Test ... 3-14 3.4.11 RM Test ... 3-14 3.4.12 ICG Test ... 3-15 3.4.13 AG Tests ... 3-15 3.5 Nurse Call Relay Performance Test ... 3-18 3.6 Analog Output Performance Test ... 3-18 3.7 Electrical Safety Tests ... 3-19 3.7.1 Enclosure Leakage Current Test... 3-20 3.7.2 Earth Leakage Current Test... 3-20 3.7.3 Patient Leakage Current Test ... 3-21 3.7.4 Patient Auxiliary Leakage Current Test ... 3-21 3.8 Touchscreen Calibration... 3-22 3.9 Recorder Check... 3-22 3.10 Factory Maintenance... 3-23 3.10.1 Accessing Factory Maintenance Menu... 3-23 3.10.2 Drawing Waves ... 3-23 3.10.3 Recorder ... 3-23 3.10.4 Software Version ... 3-24 3.10.5 Monitor Information... 3-24 3.10.6 Calibrate NIBP ... 3-24 3.11 Program Upgrade ... 3-25 4 Troubleshooting... 4-1 4.1 Introduction... 4-1 4.2 Part Replacement ... 4-1 4.3 Patient Monitor Status Check... 4-1 4.4 Software Version Check ... 4-2 4.5 Technical Alarm Check ... 4-2 4.6 Troubleshooting Guide... 4-2 4.6.1 Power On/Off Failures ... 4-2 4.6.2 Display Failures ... 4-3 4.6.3 Module Rack Failures ... 4-5 4.6.4 Alarm Problems... 4-7 4.6.5 Button and Knob Failures ... 4-8 4.6.6 Recorder Failures ... 4-8 4.6.7 Output Interface Failures... 4-9 4.6.8 CF Card Problems ... 4-10 4.6.9 Power Supply Failures ... 4-10 4.6.10 Network Related Problems... 4-12 4.6.11 Software Upgrade Problems... 4-13 2

Contents 5 Repair and Disassembly ... 5-1 5.1 Tools... 5-1 5.2 Preparations for Disassembly... 5-1 5.3 Disassembling Procedure ... 5-2 5.3.1 Separating the Front and Rear Housing ... 5-2 5.3.2 Removing the Power Switch & LED Board ... 5-4 5.3.3 Removing the Knob Encoder ... 5-4 5.3.4 Removing the Button Board... 5-5 5.3.5 Removing the LCD Assembly... 5-6 5.3.6 Removing the Alarm LED Board... 5-8 5.3.7 Removing the Fan Assembly... 5-9 5.3.8 Removing Battery Compartment Assembly... 5-9 5.3.9 Removing the Integral Module Rack ... 5-10 5.3.10 Removing the CF Card Assembly ...5-11 5.3.11 Removing the Main Board ... 5-13 5.3.12 Removing the Speaker ... 5-15 5.3.13 Removing the Power Module Assembly ... 5-16 5.3.14 Removing the Main Support ... 5-18 5.3.15 Removing the Interface Board Assembly... 5-18 5.3.16 Removing the Recorder... 5-21 5.4 Removing the SMR Assembly ... 5-25 5.5 Disassembling Modules ... 5-29 5.5.1 Disassembling the ICG Module ... 5-29 5.5.2 Disassembling CO2 Module ... 5-33 6 Parts ... 6-1 6.1 Introduction... 6-1 6.2 Main Unit ... 6-2 6.2.1 Exploded View ... 6-2 6.2.2 Parts List ... 6-2 6.3 Front housing Assembly... 6-3 6.3.1 12” LCD with Anti-glare Screen ... 6-3 6.3.2 12” LCD with Touchscreen... 6-5 6.4 Main Unit ... 6-7 6.4.1 Main Unit Assembly ... 6-7 6.4.2 Battery Compartment Assembly ... 6-9 6.4.3 Power Module assembly ... 6-10 6.4.4 Interface Board Assembly ...6-11 6.4.5 Main Board Assembly... 6-12 6.4.6 Integral module rack ... 6-13 6.4.7 Main Support Assembly ... 6-14 6.4.8 Rear Housing Assembly ... 6-15 6.4.9 CF Card Assembly ... 6-16 6.4.10 Recorder Assembly ... 6-17 3

Contents 6.5 SMR ... 6-18 6.5.1 SMR Assembly... 6-18 6.5.2 SMR Inside Assembly... 6-19 6.6 Parameter Modules... 6-20 6.6.1 MPM Module ... 6-20 6.6.2 C.O. Module... 6-21 6.6.3 RM Module ... 6-23 6.6.4 ICG Module ... 6-24 6.6.5 AG Module... 6-26 6.6.6 BIS Module ... 6-27 6.6.7 IBP Module ... 6-29 6.6.8 Mindray CO2 Module... 6-30 6.6.9 Oridion CO2 Module ... 6-31 6.7 Replaceable Parts ... 6-33 6.7.1 Main Unit ... 6-33 6.7.2 SMR ... 6-35 6.7.3 Parameter Modules... 6-35

4

1 Safety 1.1 Safety Information

DANGER z

Indicates an imminent hazard that, if not avoided, will result in death or serious injury.

WARNING z

Indicates a potential hazard or unsafe practice that, if not avoided, could result in death or serious injury.

CAUTION z

Indicates a potential hazard or unsafe practice that, if not avoided, could result in minor personal injury or product/property damage.

NOTE z

Provides application tips or other useful information to ensure that you get the most from your product.

1-1

Safety

1.1.1 DANGER There are no dangers that refer to the product in general. Specific “Danger” statements may be given in the respective sections of this manual.

1.1.2 Warnings

WARNING z

All installation operations, expansions, changes, modifications and repairs of this product are conducted by authorized personnel.

z

There is high voltage inside the equipment. Never disassemble the equipment before it is disconnected from the AC power source.

z

When you disassemble/reassemble a parameter module, a patient leakage current test must be performed before it is used again for monitoring.

z

The equipment must be connected to a properly installed power outlet with protective earth contacts only. If the installation does not provide for a protective earth conductor, disconnect it from the power line and operate it on battery power, if possible.

z

Dispose of the package material, observing the applicable waste control regulations and keeping it out of children’s reach.

1.1.3 Cautions

CAUTION z

Make sure that no electromagnetic radiation interferes with the performance of the equipment when preparing to carry out performance tests. Mobile phone, X-ray equipment or MRI devices are a possible source of interference as they may emit higher levels of electromagnetic radiation.

z

Before connecting the equipment to the power line, check that the voltage and frequency ratings of the power line are the same as those indicated on the equipment’s label or in this manual.

z

Protect the equipment from damage caused by drop, impact, strong vibration or other mechanical force during servicing. 1-2

Safety

1.1.4 Notes NOTE z

Refer to Operation Manual for detailed operation and other information.

1.2 Equipment Symbols Attention: Consult accompanying documents (this manual).

CIS connector

Danger: High-voltage

Network connector

Alternating current(AC)

Defibrillator connector

Power ON/OFF

Connector for satellite module rack

Battery indication

Video output

Zero key

Auxiliary output connector

Calibrate key

USB connector

Measure/Standby

Equipotential terminal

Check sensor

ESD warning symbol for Electrostatic sensitive devices.

Type CF applied part. Defibrillator-proof protection against electric shock.

Type BF applied part. Defibrillator-proof protection against electric shock.

1-3

Safety

FOR YOUR NOTES

1-4

2 Theory of Operation 2.1 Introduction This patient monitor is designed to monitor a fixed set of physiological parameters including ECG, heart rate (HR), respiration (Resp), temperature (Temp), SpO2, pulse rate (PR), non-invasive blood pressure (NIBP), invasive blood pressure (IBP), cardiac output (C.O.), carbon dioxide (CO2), oxygen (O2), anesthetic gas (AG), impedance cardiograph (ICG), bispectral index (BIS) and respiration mechanics (RM) of single adult, pediatric and neonatal patients The patient monitor also: „

Provides audible and visual alarm indications in case of patient or equipment problems.

„

Enables displaying, reviewing, storing and transferring of real-time data.

„

Incorporates multiple input devices such as buttons, knob, touchscreen, keyboard and mouse.

„

Interfaces a clinical information system or central monitoring system.

„

Enables program upgrade over the network.

2-1

Theory of Operation

2.2 System Connections 2.2.1 Mounting the Patient Monitor The patient monitor can be mounted on a wall bracket or on a trolley support. The wall bracket or trolley support can be ordered optionally. Each type of mounting bracket is delivered with a complete set of mounting hardware and instructions. Refer to the documentation delivered with the mounting hardware for instructions on assembling mounts.

CAUTION z

Use mounting brackets we supply or approve. If other compatible mounting bracket is used, be sure it can be safely used on the patient monitor.

z

The mounting bracket should be installed by our qualified service personnel, or engineers who have adequate knowledge on it.

z

If other mounting solution is used, the installation personnel and the customer should verify if it can be safely used on the patient monitor, and the customer assume the responsibility for any risk resulting from that.

2-2

Theory of Operation

2.2.2 Connectors for Peripheral Devices On the back of the patient monitor you will find all connectors for peripheral devices.

1

2

4 3

5

6

9

8

7 1.

AC Power Connector: used to connect an AC power source (100 to 240 VAC, 50/60Hz).

2.

Equipotential Terminal: used to connect the equipotential terminal of other equipment, eliminating potential difference between different pieces of equipment.

3.

Defibrillator Connector: It is a RJ11 connector used to connect a defibrillator.

4.

CIS Connector: It is a RJ45 connector used to connect a CIS and output 12V DC power supply.

5.

Video Output: It is a DVI-D connector used to connect a secondary display.

6.

Auxi Output Connector: It is a BNC connector used to output analog signals and nurse call signals.

7.

Network Connector: It is a RJ45 connector used to connect an ethernet network or a PC.

8.

USB Connector: used to connect any USB-compatible peripheral device.

9.

SMR Connector: It is used to connect the SMR and outputs a 12V DC.

2-3

Theory of Operation

2.3 Main Unit The patient monitor consists of: „

Input system: button board, knob, touchscreen, power switch and LED board

„

Output system: LCD panel, alarm LED board, recorder and speaker

„

Processing and communications system: main board and integral module rack assembly.

„

Power management system: battery, battery interface board and power module

„

Equipment interface system: USB_Hub interface board, DVI interface board and CF card assembly

Additionally, the patient monitor can also connect a satellite module rack (SMR), parameter modules, mouse, keyboard, etc. The following diagram illustrates the structure of the patient monitor

2-4

Theory of Operation

2.3.1 Input System Button board The button board, located at the lower part of the monitor’s front panel, contains 6 keys and provides connections for the following components to the main board: „

Knob

„

Power switch & LED board

„

Touchscreen control board

„

Alarm LED board

„

Inverter

The following diagram shows the button board connections.

Knob The knob can be pressed, or rotated both clockwise and counter-clockwise. It is connected with the button board.

Touchscreen The touchscreen enables touch operations and can be calibrated. It is connected with the touchscreen control board and main board.

Power switch & LED Board The power switch & LED board controls the power supply for the main unit. It has three LEDs, which respectively indicate the AC power status, battery status and monitor power on/off status. It is connected with the button board.

2-5

Theory of Operation

2.3.2 Output System LCD panel The patient monitor adopts a high-resolution LCD panel. The LCD panel is connected with the backlight board and the main board. It runs on power from a DC source, which originally comes from the main board, and then goes to the backlight board through the button board, and finally is delivered to the LCD panel by the backlight board.

Alarm Lamp The patient monitor has two alarm lamps: physiological alarm lamp and technical alarm lamp. The alarm LED board converts electric signals into visual signals and then sends the visual signals to the front panel through the light guiding post. Physiological alarm lamp lights either red or yellow whereas technical alarm lamp lights blue only.

Recorder The recorder receives data form the main board and then sends them to the thermal printhead for printing. The recorder has a hardkey (starting/stopping recordings) and a green LED on its front panel. It is connected with the mother board. The following diagram shows its operating principle.

Module

Description

Power interface

Introduces a DC from the main board.

Recorder power module

Converts the input power into voltages that fit each module and then forwards them to each module. 2-6

Theory of Operation Recorder CPU

Controls the communications between modules.

Signal interface

Controls the communications between the main board and the recorder CPU.

Motor drive circuit

Receives the control signals from the CPU and then forwards them to the step motors

Button board & indicator interface

Sends key commands to the CPU and receive commands controlling the indicators from the CPU.

FPC interface

Sends the thermal printhead information to the CPU and receives the commands controlling the thermal printhead from the CPU.

Speaker The speaker provides sound for alarms, key strokes, heart beats and pulse, and allows PITCH TONE and multi-level tone modulation. It is connected with the main board which provides sound signals.

2-7