DC-7 and DC-7T Service Manual V11.0 June 2016

Table of Content Table of Content ... i Revision History... I Intellectual Property Statement ... II Responsibility on the Manufacturer Party... II Warranty ... III Safety Precautions ... V

1

2

System Overview ... 1-1 1.1

System Characteristics ... 1-1

1.2

Environmental Conditions... 1-1

System Structure... 2-1 2.1

System Appearance ... 2-1 2.1.1

2.2

3

System Appearance ... 2-1

LCD Monitor ... 2-3 2.2.1

Contrast and Brightness Buttons ... 2-4

2.2.2

Up/down Adjusting Lever ... 2-4

2.2.3

Lock Lever of Upper Support Arm ... 2-5

2.3

I/O Panel... 2-6

2.4

Power Supply Panel ... 2-7

2.5

ECG & PCG Panel ... 2-8

2.6

Control Panel ... 2-8 2.6.1

Main Control Panel ... 2-8

2.6.2

Keyboard... 2-12

2.6.3

Touch Screen ... 2-13

System Principle ... 3-1 3.1

Electric Principle ... 3-1

3.2

Principle of Boards ... 3-2 3.2.1

Probe Board ... 3-2

3.2.2

Transmission Board ... 3-5

3.2.3

Amplifier Board ... 3-5

3.2.4

Beamformer Board... 3-6

3.2.5

Digital Board ... 3-7

3.2.6

System Motherboard... 3-11

i

3.2.7

CW Board ... 3-13

3.2.8

I/O Backplane ... 3-14

3.2.9

ECG&PCG Board ... 3-17

3.2.10 4D&TEE Drive Board ... 3-18 3.2.11 Control Panels and Keyboard ... 3-19 3.2.12 Power Output Control Board... 3-21 3.2.13 Touch Screen ... 3-22 3.2.14 LCD Monitor ... 3-23 3.3

3.4

4

Power Supply Principle ... 3-24 3.3.1

Power Supply System ... 3-24

3.3.2

Power Boards Principle ... 3-27

System Software Principle... 3-31 3.4.1

Structure... 3-31

3.4.2

Principle ... 3-32

Structure and Assembly/ Disassembly ... 4-1 4.1

System Explosion Diagram ... 4-1

4.2

Field Replaceable Unit ... 4-3

4.3

Disassembly and Replacement ... 4-19 4.3.1

Disassembling LCD Monitor ... 4-20

4.3.2

Replacing the Spring Damper ... 4-23

4.3.3

Disassembling Main Control Panel Assembly ... 4-27

4.3.4

Disassembling Minor Control Panel Assembly ... 4-29

4.3.5

Replacing Trackball... 4-30

4.3.6

Replacing Main Control Panel PCBA ... 4-31

4.3.7

Replacing Minor Panel Encoder Board... 4-32

4.3.8

Replacing Touch Screen ... 4-34

4.3.9

Replacing Keyboard Assembly ... 4-36

4.3.10 Replacing Light Control PCBA... 4-37 4.3.11 Replacing Keyboard Slide Tracks ... 4-38 4.3.12 Replacing Snap-close (Lock head & Lock seat) ... 4-40 4.3.13 Replacing Position Limit Switch (with Cable) ... 4-41 4.3.14 Disassembling System Boards ... 4-42 4.3.15 Disassembling 4D Assembly ... 4-47 4.3.16 Disassembling HDD ... 4-48 4.3.17 Disassembling DVD-R/W Assembly ... 4-49

ii

4.3.18 Disassembling ECG Assembly ... 4-51 4.3.19 Disassembling Probe Board & Probe Control Board ... 4-56 4.3.20 Replacing Air Inlet Screen ... 4-64 4.3.21 Disassembling Isolation Transformer... 4-65 4.3.22 Disassembling Power Fan Assembly... 4-66 4.3.23 Replacing Casters... 4-69 4.4

5

5.2

Installing B/W Video Printer ... 4-70

4.4.2

Installing Color Video Printer ... 4-72

4.4.3

Installing VCR ... 4-76

Tools Required... 5-1 5.1.1

Tools, Measurement Devices and Consumables ... 5-1

5.1.2

Standard Configuration of Tools and Consumables ... 5-2

Maintenance Personnel ... 5-3

Checking ... 6-1 6.1

6.2

6.3

6.4

7

4.4.1

Maintenance Requirements ... 5-1 5.1

6

Installing Peripherals ... 4-70

System Status Checking ... 6-1 6.1.1

Checking Plan ... 6-1

6.1.2

Confirmation before Checking ... 6-1

Function Checking ... 6-2 6.2.1

Checking Flow ... 6-2

6.2.2

Content ... 6-3

Safety Checking ... 6-3 6.3.1

Electrical Safety ... 6-3

6.3.2

Mechanical Safety... 6-4

Image Checking... 6-6 6.4.1

B/W Image Phantom Data Checking and Image Recording ... 6-6

6.4.2

Checking Phantom Data ... 6-7

6.4.3

Final Operation Checking and Image Archiving ... 6-7

6.4.4

Color Flow Image Checking ... 6-8

System Maintenance ... 7-1 7.1

Cleaning ... 7-1 7.1.1

Cleaning Flow ... 7-1

7.1.2

Content ... 7-1

iii

7.2

8

Software Maintenance ... 7-3 7.2.1

Setup Data Backup and Restore ... 7-3

7.2.2

Patient Data Backup and Restore ... 7-4

7.2.3

Software Upgrade ... 7-5

7.2.4

System Recovery ... 7-6

7.2.5

Install/Uninstall the Optional Devices Software ... 7-8

7.2.6

Monitor Test ... 7-9

7.2.7

Selftest ... 7-10

7.2.8

Maintenance and Processing of dump File ... 7-16

Troubleshooting ... 8-1 8.1

Troubleshooting for Power ... 8-1

8.2

Troubleshooting during Power-on Process ... 8-1

8.3

Troubleshooting during Operation ... 8-2

8.4

Troubleshooting for Probe Board ... 8-3

8.5

Troubleshooting for Control Panels and Keyboard ... 8-3

8.6

Troubleshooting for PC System... 8-5

8.7

Troubleshooting for the LCD ... 8-8

8.8

Troubleshooting for the 8.4 Inch Monitor ... 8-9

8.9

Troubleshooting for Touch Screen... 8-9

8.10 Troubleshooting for the 4D&TEE Functions ... 8-10 8.11 Troubleshooting for Physiological Module (ECG, PCG) Related Functions ... 8-11

Appendix A

Spare Part List ... A-1

Appendix B Interface Definition and Function in System Maintenance... B-1 Appendix C

To Enter Windows from Doppler ... C-1

Appendix D

Security Protection ... D-1

Appendix E

Printer Driver Senior Installation ... E-1

Appendix F

Login as Service ...F-1

Appendix G

Electrical Safety Inspection ... G-1

iv

Revision History Mindray may revise this publication from time to time without written notice. Revision

7.0

Date

2012.5.15

Reason for Change 1.

Increase the principle description of probe board (double 4D sockets) in 3.2.1.2

2.

Increase the dissembly method of probe board (double 4D sockets) in 4.2.27

3.

Increase “4.2 Field Replaceable Unit” list with pictures and important information.

1.

Add “The attentions to the assembly/disassembly, otherwise the hard disk will be damaged” to Chapter 4.3.24. Delete the PHV voltage which is the input voltage of CW board in Figure 1 of Chapter 3.1; delete the A±100V voltage which is the input voltage of CW board in Figure 10 of Chapter 3.1.

8.0

2013.6.24

2.

9.0

2014.1.15

Add the OrderNumber and disassembly of 17-inch monitor assembly

10.0

2014.2.27

Add the OrderNumber and picture of new 17-inch monitor support arm assembly

I

©2009-2016 Shenzhen Mindray Bio-Medical Electronics Co., Ltd.

All rights Reserved.

For this Operator’s Manual, the issue date is 2016-06.

Intellectual Property Statement SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD. (hereinafter called Mindray) owns the intellectual property rights to this Mindray product and this manual. This manual may refer to information protected by copyright or patents and does not convey any license under the patent rights or copyright of Mindray, or of others. 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, rental, adaptation, translation or any other derivative work of this manual in any manner whatsoever without the written permission of Mindray is strictly forbidden. ,

,

,

,

,

BeneView,

WATO, BeneHeart, are the trademarks, registered or otherwise, of Mindray in China and other countries. All other trademarks that appear in this manual are used only for informational or editorial purposes. They are the property of their respective owners.

Responsibility on the Manufacturer Party Contents of this manual are subject to change without prior notice. All information contained in this manual is believed to be correct. Mindray shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual. Mindray is responsible for the effects on safety, reliability and performance of this product, only if: z

all installation operations, expansions, changes, modifications and repairs of this product are conducted by Mindray authorized personnel;

z

the electrical installation of the relevant room complies with the applicable national and local requirements; and

z

the product is used in accordance with the instructions for use.

II

Upon request, Mindray may provide, with compensation, necessary circuit diagrams, calibration illustration list and other information to help qualified technician to maintain and repair some parts, which Mindray may define as user serviceable.

Note This equipment is not intended for family usage. This equipment must be operated by skilled/trained medical professionals.

Warning It is important for the hospital or organization that employs this equipment to carry out a reasonable service/maintenance plan. Neglect of this may result in machine breakdown or injury of human health.

Warranty THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.

Exemptions Mindray's obligation or liability under this warranty does not include any transportation or other charges or liability for direct, indirect or consequential damages or delay resulting from the improper use or application of the product or the use of parts or accessories not approved by Mindray or repairs by people other than Mindray authorized personnel. This warranty shall not extend to: z Any Mindray product which has been subjected to misuse, negligence or accident; z Any Mindray product from which Mindray's original serial number tag or product identification markings have been altered or removed; z Any product of any other manufacturer.

Safety, Reliability and Performance Mindray is not responsible for the effects on safety, reliability and performance of the product if: z

Assembly operations, extensions, re-adjusts, modifications or repairs are carried out by persons other than those authorized by Mindray.

III

z

Personnel unauthorized by Mindray repairs or modifies the instrument.

Return Policy Return Procedure In the event that it becomes necessary to return this product or part of this product to Mindray, the following procedure should be followed: 1.

Obtain return authorization: Contact the Mindray Service Department and obtain a Customer Service Authorization (Mindray) number. The Mindray number must appear on the outside of the shipping container. Returned shipments will not be accepted if the Mindray number is not clearly visible. Please provide the model number, serial number, and a brief description of the reason for return.

2.

Freight policy: The customer is responsible for freight charges when this product is shipped to Mindray for service (this includes customs charges).

3.

Return address: Please send the part(s) or equipment to the address offered by Customer Service department

Company Contact Manufacturer: Address:

Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Mindray Building, Keji 12th Road South, Hi-tech Industrial Park, Nanshan, ShenZhen 518057, P. R. China

Tel:

+86 755 26582479 26582888

Fax:

+86 755 26582934 26582500

EC-Representative: Address:

Shanghai International Holding Corp. GmbH(Europe) Eiffestraβe 80, Hamburg 20537, Germany

Tel:

0049-40-2513175

Fax:

0049-40-255726

IV

Safety Precautions 1.

Meaning of Signal Words

In this operator’s manual, the signal words

DANGER,

WARNING,

CAUTION and NOTE are used regarding safety and other important instructions. The signal words and their meanings are defined as follows. Please understand their meaning before reading this manual. Signal words

Meaning

DANGER

Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury.

WARNING

Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury.

CAUTION

Indicates a potentially hazardous situation that, if not avoided, may result in minor or moderate injury. Indicates a potentially hazardous situation that, if not avoided, may result in property damage.

NOTE

2.

Meaning of Safety Symbols

Symbols

Description Type-BF applied part The ultrasound transducers, ECG and PCG modules connected to this system are Type-BF applied parts. "Attention" indicates the points that you should pay attention to. Be sure to read the operator’s manual concerning these points before using the system.

V

3.

Safety Precautions

Please observe the following precautions to ensure patient’s and operator’s safety when using this system.

DANGER:

WARNING:

Do not use flammable gasses, such as anesthetic gas or hydrogen, or flammable liquids such as ethanol, near this system, because there is danger of explosion.

1. Do connect the power plug of this system and power plugs of the peripherals to wall receptacles that meet the ratings indicated on the rating nameplate. If adapters or multifunctional receptacles are used, it may cause the leakage current to exceed the safety requirement. In addition, please connect the video printer to the special auxiliary power outlet of this system, and use the cable provided with this system to connect the printer. Other cables may result in electric shock. 2. Connect the grounding conductor before turning ON the system. Disconnect the grounding cable after turning OFF the system. Otherwise, electric shock may result. 3. For the connection of power and grounding, follow the appropriate procedures described in this operator’s manual. Otherwise, there is risk of electric shock. DO NOT connect the grounding cable to a gas pipe or water pipe; otherwise, improper grounding may result or a gas explosion may occur. 4. Before cleaning the system, disconnect the power cord from the outlet. System failure and electric shock may result. 5. This system is not water-proof. DO NOT use this system in any place where water leakage may occur. If any water is sprayed on or into the system, electric shock may result. If water is accidentally sprayed on or into the system, contact Mindray Customer Service Department or sales representative. 6. DO NOT use a transducer that has a damaged, scratched surface, or exposed wiring of any kind. Immediately stop using the transducer and contact Mindray Customer Service Department or sales representative. There is risk of electric shock if using a damaged or scratched transducer. 7. DO NOT allow the patient to contact the live parts of the ultrasound system or other devices, e.g. signal I / O ports. Electric shock may occur.

VI

8. DO NOT use an aftermarket transducer other than those specified by Mindray. The transducers may damage the system, causing a profound failure, e.g. a fire in the worst case. 9. DO NOT subject the transducers to knocks or drops. Use of a defective transducer may cause an electric shock. 10. DO NOT open the covers and front panel of the system. Short circuit or electric shock may result when the system hardware is exposed and powered on. 11. DO NOT use this system when any digital device such as a high-frequency electrotome, high-frequency therapeutic device or defibrillator is applied already. Otherwise, there is a risk of electric shock to the patient. 12. Only use the ECG leads and PCG transducer provided with the physiology module; otherwise, electric shock may be resulted. 13. When moving the system, you should hold the handle, otherwise, damage may be resulted by abnormal force. DO NOT push the system from the left/right side, otherwise, it may be toppled over. 14. The auxiliary power output outlet in the system is used to supply power for the recommended peripheral devices. DO NOT connect other devices to the outlet, otherwise, the rated output power may be exceeded and failure may be resulted. Maximum output power of the outlet is 330VA. 15. Accessory equipment connected to the analog and digital interfaces must comply with the relevant IEC standards (e.g., IEC 60950 information technology equipment safety standard and IEC 60601-1 medical equipment standard). Furthermore, all configurations must comply with the standard IEC 60601-1-1. It is the responsibility of the person, who connects additional equipment to the signal input or output ports and configures a medical system, to verify that the system complies with the requirements of IEC 60601-1-1. If you have any questions regarding these requirements, consult your sales representative. 16. Prolonged and repeated use of keyboards may result in hand or arm nerve disorders for some individuals. Observe the local safety or health regulations concerning the use of keyboards.

VII

CAUTION:

1. Precautions concerning clinical examination techniques: This system must be used only by qualified medical professionals. This operator’s manual does not describe clinical examination techniques. The clinician should select the proper examination techniques based on specialized training and clinical experience. 2. Malfunctions due to radio wave: If a radio wave emitting device is used in the proximity of this system, it may interfere with operations. DO NOT use or take any devices transmitting RF signals (such as cellular phones, transceivers and radio controlled products) in the room placing the system. If a person brings a device that generates radio waves near the system, ask him / her to immediately turn OFF the device. 3. Precautions concerning moving the system: Please install the system on a flat plane with the four casters locked. Otherwise, damage may result by accidental moving. DO NOT move the system laterally, which may result in damage in case of toppling. Move the system slowly on the slope by two people, otherwise, damage may result in case of unexpected sliding. DO NOT sit on the system, which may result individual falling in case of system moving. Object placed on the monitor may fall and injure an individual. Fasten and fully secure any peripheral device before moving the system. A loose peripheral device may fall and injure an individual. When move the system on the steps, please take care to prevent the system from toppling. 4. If the circuit protector is tripped, it indicates that the system or a peripheral device was improperly shut down and the system is unstable. You can’t repair the system under this circumstance and must call the Mindray Customer Service Department or sales representative. 5. There is no risk of high-temperature burns during normal ultrasound examinations. It is possible for the surface temperature of the transducer to exceed the body temperature of a patient due to environmental temperature and exam type combinations. DO NOT apply the transducer to the same region on the patient for a long time. Apply the transducer only for a period of time required for the purpose of diagnosis.

VIII

6. DO NOT use the system to examine a fetus for a long period of time. 7. The system and its accessories are not disinfected or sterilized prior to delivery. The operator is responsible for the cleaning and disinfection of transducers and sterilization of biopsy brackets according to the manuals, prior to the use. All items must be thoroughly processed to completely remove harmful residual chemicals, which will not only harmful to the human body, but also damage the accessory. 8. It is necessary to press <End Exam> to end the current scan that is in progress and clear the current Patient Information field. Otherwise, new patient data may be combined with the previous patient data. 9. DO NOT connect or disconnect the system’s power cord or its accessories (e.g., a printer or a recorder) without turning OFF the system power first. This may damage the system and its accessories or cause electric shock. 10. If the system is powered off improperly during operation, it may result in data damage of the system’s hard disk or system failure. 11. DO NOT use a USB memory device (e.g., a USB flash drive, removable hard disk) which has unsafe data. Otherwise, system damage may result. 12. It is recommended to only use the video devices specified in this manual. 13. DO NOT use gel, disinfectant, transducers, transducer sheath or needle-guided brackets that are not compatible with the system. 14. The applied contrast agents should be compliant with the relevant local regulations. 15. Read the Acoustic Output Principle in the operation manual carefully before operate this system on clinical examination. 16. The cover contains natural rubber that can cause allergic reactions in some individuals. 17. Please use the ultrasound gel compliant with the relevant local regulations.

NOTE:

1. DO NOT use the system in the vicinity of strong electromagnetic field (such as a transformer), which may affect the performance of the system. 2. DO NOT use the system in the vicinity of high-frequency radiation source, which may affect the performance of the system or even lead to failure. 3. When using or placing the system, keep the system horizontal to avoid imbalance.

IX

4. To avoid damaging the system, DO NOT use it in following environment: z

Locations exposed to direct sunlight;

z

Locations subject to sudden changes in environmental temperature;

z

Dusty locations;

z

Locations subject to vibration;

z

Locations near heat generators;

z

Locations with high humidity.

5. Turn ON the system only after the power has been turned OFF for more than 20 seconds. If the system is turned ON immediately after being turned OFF, the system may not be rebooted properly and could malfunction. 6. Press <Freeze> key to freeze an image or turn off the power of the system before connecting or disconnecting a transducer. This can damage the system and/or transducer. 7. Remove the ultrasound gel from the face of the transducer when the examination is completed. Water in the gel may enter the acoustic lens and adversely affect the performance and safety of the transducer. 8. You should properly back up the system to a secure external storage media, including system configuration, settings and patient data. Data stored to the system’s hard drive may be lost due to system failure, improper operation or accident. 9. DO NOT apply external force to the control panel. Otherwise, the system may be damaged. 10. If the system is used in a small room, the room temperature may rise. Please provide proper ventilation and free air exchange. 11. To dispose of the system or any part, contact Mindray Customer Service Department or sales representative. Mindray is not responsible for any system content or accessories that have been discarded improperly. 12. Electrical and mechanical performance may be degraded due to long usage (such as current leakage or distortion and abrasion), the image sensitivity and precision may become worse too. To ensure optimal system operations, it is recommended that you maintain the system under a Mindray service agreement. 13. The replaceable fuse is inside the chassis. Refer replacing job to Mindray service engineers or engineers authorized by Mindray only. 14. DO NOT turn OFF the power supply of the system during printing, file storage or invoking other system operations. An interrupted process may not be completed, and can become lost or corrupted. 15. The iScape feature constructs a single extended image from a series of individual image frames. The quality of the final image is user-dependent and requires skill to efficiently apply the feature and technique. Exercise caution when measurements are performed from an iScape image. 16. Ensure that the current exam date and time are the same as the system date and time.

X

4.

Warning Labels

The warning labels are attached to this system in order to call your attention to potential hazards. The symbol

on the warning labels indicates safety precautions.

The warning labels use the same signal words as those used in the operator’s manual. Read operator’s manual carefully before using the system. The name, pattern and meaning of each warning label are described as follows:

No. 1

Warning Labels

Meaning 1) CAUTION: DO NOT sit on the system.

1) 2) Before using the system, be sure to carefully read the relevant content of this operator’s manual.

2) 2

3)

3) DANGER: There is explosion risk if the system is used in flammable anesthetics. CAUTION: DO NOT place the system on a sloped surface. Otherwise the system may slide, resulting in personal injury or the system malfunction. Two persons are required to move the system over a sloped surface. CAUTION: DO NOT open the system covers, because the high voltage inside may cause electric shock.

3

Beware of excessive stress exerted to the system.

XI

1

System Overview

1.1

System Characteristics

DC-7 product series are Color Doppler Ultrasound System designed for whole-body applications. As the Mid-range color Doppler system, they are characterized with Cardiac application. DC-7T is applicable in China only, and has no Orthopedics measurement package.

1.2

Environmental Conditions Operating Conditions

Storage & Transportation Conditions

Ambient temperature

0℃～40℃

-20℃～55℃

Relative humidity

30%～85% (no condensation)

30%～95% (no condensation)

Atmospheric pressure

700hPa～1060hPa

700hPa～1060hPa

WARNING:

Do not use this system in the conditions other than those specified.

1-1

2

System Structure

2.1

System Appearance

2.1.1

System Appearance

2-1

System Structure

No. <1>

Name Monitor

Function Displays the images and parameters during scanning.

<2>

Touch screen

<3>

Main control panel

<4>

Keyboard

<5>

DVD-R/W

DVD-R/W drive.

<6>

Video printer placing room

Used for placing B/W video printer.

<7>

Probe socket

Connect probe to the main unit.

<8>

Caster

Used for securing or moving the system.

<9>

Scroller

Used for adjusting the brightness and contrast of the touch screen.

<10>

Probe holder

Used for placing probes temporarily.

<11>

ECG & PCG Panel

Used for connecting ECG cable, PCG transducer and footswitch.

<12>

Monitor support arm

Used for adjusting position and angle of monitor

Human-machine interface, operation control.

2-2

System Structure

<13>

Color printer table

Used for placing color video printer.

<14>

Handle

Used for pushing and moving the system.

<15>

I/O Panel

Input and output interface panel.

<16>

Power Supply Panel

Electric interface panel.

<17>

USB port

Used for connecting USB devices.

<18>

MIC interface

Used for connecting a microphone.

<19>

VCR placing room

Used for placing VCR and DVD.

<20>

Power switch

Used for powering on/ off.

2.2

LCD Monitor

2-3