SonoScape S6 Service manual

S6
Portable Digital Color Doppler Ultrasound System
Service Manual
May 5, 2010
S6 Portable Digital Color Doppler Ultrasound System
Service Manual
P/N: 4720-0034-01A
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S6 Portable Digital Color Doppler Ultrasound System
Service Manual
1 Introduction 1-1
1.1 Intended Users . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 Contact Information . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.3 Software Updates . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
2 Safety Considerations 2-1
2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 Symbol Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3 Electrical Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.4 Mechanical Safety . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.5 Human Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
3 Description of the System 3-1
3.1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 System Configuration . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
3.4 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3.5 Combined Modes . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3.6 Scanning Modes . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3.7 Adjustable Parameters . . . . . . . . . . . . . . . . . . . . . . . 3-6
3.7.1 B Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3.7.2 Spectral Doppler (PW/CW) . . . . . . . . . . . . . . . 3-7
3.7.3 Color Doppler and Power Doppler . . . . . . . . . . . 3-7
3.7.4 Archive and Backup . . . . . . . . . . . . . . . . . . . . 3-8
3.8 Measurements and Calculations . . . . . . . . . . . . . . . . . 3-8
4 Principle of the S6 System 4-1
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . 4-1
4.3 Principle of Probes . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.4 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.5 Functional Boards/Units of the S6 System . . . . . . . . . . . 4-3
4.5.1 Functional Block Diagram . . . . . . . . . . . . . . . . 4-4
4.5.2 Explanations of the System Functions . . . . . . . . . 4-4
4.6 Part List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
5 S6 Disassembly Instructions 5-1
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5.1 Bottom Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.2 Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5.3 Motherboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5.4 KEAA board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5.5 HDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.6 Voltage Conversion Board . . . . . . . . . . . . . . . . . . . . . 5-10
5.7 Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5.8 MPC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.9 Ultrasound Module Assembly . . . . . . . . . . . . . . . . . . . 5-12
5.9.1 Ultrasound Metal Shield . . . . . . . . . . . . . . . . . 5-13
5.9.2 Ultrasound Module . . . . . . . . . . . . . . . . . . . . 5-14
5.10 Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
5.11 Keyboard Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
5.12 LCD assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
6 Wiring Instructions 6-1
6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2 Wiring in the System Level . . . . . . . . . . . . . . . . . . . . 6-2
6.3 Detailed Connection Instructions . . . . . . . . . . . . . . . . 6-4
6.3.1 Control Cable for Keyboard Unit (3520-0501) . . . . 6-4
6.3.2 Connection wires for keyboard small board (3520-
0502) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6.3.3 Connection wires for trackball (3520-0503) . . . . . 6-4
6.3.4 Connection cable for loud speakers (3520-0504) . . . 6-5
6.3.5 Signal Transmission cable for keyboard (3520-0505) 6-5
6.3.6 SATA cable for HDD (3520-0506) . . . . . . . . . . . . 6-6
6.3.7 LVDS Signal Cable (3520-0507) . . . . . . . . . . . . . 6-6
6.3.8 Cables Connecting Keyboard and motherboard (3520-
0508) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6.3.9 Connection wires for system fan(3520-0509) . . . . . 6-7
6.3.10 DBF USB Signal Cable (3520-0510) . . . . . . . . . . 6-7
6.3.11 USB Cable for µ-Scan Dongle(3520-0511) . . . . . . 6-8
6.3.12 Power Supply Cable for Voltage Inversion Board (3520-
0512) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
6.3.13 ECG internal connection cable (3520-0513) . . . . . 6-9
6.3.14 Foot Switch Cable (3520-0514) . . . . . . . . . . . . . 6-9
6.3.15 Composite Video BNC Cable (3520-0515) . . . . . . . 6-9
6.3.16 Main power cables from SMPS (3520-0520) . . . . . 6-10
7 Install and Update the System Software 7-1
7.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.2 Applicable Models . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
7.3 Update Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
7.4 Non-kernel Level Update Instructions . . . . . . . . . . . . . . 7-3
7.4.1 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.4.2 Non-kernel Level Software Update Procedures . . . . 7-4
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7.5 Upgrade Kernel and Software . . . . . . . . . . . . . . . . . . 7-5
7.5.1 Upgrade Using USB Boot-up Disk . . . . . . . . . . . . 7-5
7.5.2 Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
7.5.3 Upgrade Procedures . . . . . . . . . . . . . . . . . . . . 7-5
7.5.4 Activate the Micro-SCAN function . . . . . . . . . . . 7-10
8 System Functionality Tests 8-1
8.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.2 Testing Software . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8.2.1 Speaker Test . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8.2.2 System memory . . . . . . . . . . . . . . . . . . . . . . 8-2
8.2.3 TFC test . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8.2.4 ECFIFO . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8.2.5 Receive bus . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8.2.6 Detector to FIFO . . . . . . . . . . . . . . . . . . . . . . 8-2
8.2.7 ADC Test (Rx on) . . . . . . . . . . . . . . . . . . . . . 8-2
8.2.8 Probe ID, HV and Temp . . . . . . . . . . . . . . . . . . 8-3
8.2.9 ADC Test (Rx off) . . . . . . . . . . . . . . . . . . . . . 8-3
8.2.10 Receive Channel Test . . . . . . . . . . . . . . . . . . . 8-3
8.2.11 Single Element Test . . . . . . . . . . . . . . . . . . . . 8-3
8.3 Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
8.3.1 Run Test 8.2.1 (Speaker Test) . . . . . . . . . . . . . . 8-4
8.3.2 Run Tests from 8.2.2 and 8.2.9 . . . . . . . . . . . . . 8-5
8.3.3 Run Tests from 8.2.10 to 8.2.11 . . . . . . . . . . . . . 8-5
8.4 Key Simulation Test . . . . . . . . . . . . . . . . . . . . . . . . 8-6
8.5 Real-time Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
9 Supported Peripherals 9-1
9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.2 Thermal Printer Installation . . . . . . . . . . . . . . . . . . . 9-1
9.3 Network Printer Installation . . . . . . . . . . . . . . . . . . . 9-2
9.3.1 Supported Models (Not Exhaustive) . . . . . . . . . . 9-2
9.3.2 Configurations . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.3.3 Network Connection with PC . . . . . . . . . . . . . . 9-7
10 System Troubleshooting 10-1
10.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.2 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.3 Functional Check . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.3.1 Basic Functional Tests . . . . . . . . . . . . . . . . . . . 10-2
10.3.2 Functional Test for Critical Parts . . . . . . . . . . . . 10-3
10.4 Common Problems and Service Instructions . . . . . . . . . . 10-4
10.4.1 Repairing Procedures . . . . . . . . . . . . . . . . . . . 10-5
10.4.2 Problem Analysis . . . . . . . . . . . . . . . . . . . . . 10-6
11 System Maintenance 11-1
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11.1 Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.2 Host Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11.3 Probe Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
11.4 Cleaning and Disinfecting Probes . . . . . . . . . . . . . . . . 11-4
11.4.1 Cleaning Probes . . . . . . . . . . . . . . . . . . . . . . 11-4
11.4.2 Disinfecting Probes . . . . . . . . . . . . . . . . . . . . 11-4
A Make a Bootable USB Key A-1
A.1 Make bootable key directly through PC . . . . . . . . . . . . . A-1
B Cables & Wires Inside the System B-1
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Chapter 1

Introduction

This manual describes the information for servicing and maintaining of the S6 Portable Digital Color Doppler Ultrasound System. Please read the Service Manual carefully before servicing/maintaining the equipment. Pay special attention to chapter 2 which is on safety issues.

1.1 Intended Users

The intended users of this manual are the Service Engineers trained and authorized by SonoScape Co., Ltd.
Warning!
Only Service Engineers trained and authorized by SonoScape can perform service and repairs for the equip­ment.

1.2 Contact Information

SonoScape values the customer’s feedback, please feel free to contact us.
Contact Information:
Address: 4/F., Yizhe Building, Yuquan Road, Shenzhen,
P.R. China
Zip Code: 518051 Tel: 400–678–8019 Fax: 86–755–26722850 Website: http://www.sonoscape.com E-mail: service@sonoscape.net
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1.3 Software Updates

SonoScape may provide software updates to enhance the performance of the system. The Service Manual will be updated accordingly, please contact our service department to get the latest edition.
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Chapter 2

Safety Considerations

2.1 Introduction

This chapter describes the safety precautions that must be observed dur­ing all phases of operation, service and repair of the equipment. For hu­man safety, please read this chapter carefully before using or servicing the equipment.
Warning!
Please pay due attention to the items with this warning icon. Dismissing these warnings may cause serious personal injury or even endanger human life.
Attention!
The items with this caution icon describe the precautions necessary to protect the system. Failure to observe these precautions may cause system damage.
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2.2 Symbol Used

SSI-8000 Mobile Digital Color Doppler Ultrasound System
Service Manual
Off (Mains power switch OFF)
SSI-8000 Mobile Digital Color Doppler Ultrasound System
Service Manual
Off (Mains power switch OFF)
On (Mains power switch ON)
SSI-8000 Mobile Digital Color Doppler Ultrasound System
Service Manual
Off (Mains power switch OFF)
On (Mains power switch ON)
Protective earth/ground connection.
SSI-8000 Mobile Digital Color Doppler Ultrasound System
Service Manual
Off (Mains power switch OFF)
On (Mains power switch ON)
Protective earth/ground connection.
Potential equilibrium connection
SSI-8000 Mobile Digital Color Doppler Ultrasound System
Service Manual
Off (Mains power switch OFF)
On (Mains power switch ON)
Protective earth/ground connection.
Potential equilibrium connection
AC
S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Symbol
Description
Insulated patient application part (Type BF)
Dangerous electric voltage Warning! Follow these instructions to avoid personal injury or system damage.
Attention! Follow these instructions to avoid system damage.
Off (Mains power switch OFF)
On (Mains power switch ON)
Protective earth/ground connection.
Potential equilibrium connection AC
Table 2.1: Table of Symbols
These symbols (icons) listed in table 2.1 are used with the equipment and/or within this manual. They serve as warnings, or for marking con­nections and etc.

2.3 Electrical Safety

• The equipment conforms with the following regulations for electrical safety,
– IEC 60601-1: 1988+A1:1991+A2:1995, Medical Electrical Equip-
ment Part 1: General Requirements For Safety, Class I, BF, con­tinuous operation
– IEC 60601-2-37: 2001 + A1:2004 + A2:2005, Medical Electri-
cal Equipment Part 2-37: Particular Requirements For The Safety Of Ultrasonic Medical Diagnostic And Monitoring Equipment
• The equipment conforms with the following EMC/EMI standards: IEC60601-1-2: 2001+A1: 2004, Class A (CE)
• Degrees of protection against harmful liquid: IPX0 for the S6 system and IPX7 for the accompanying probes.
Please comply with the following rules for safety considerations:
• Properly grounding the system can prevent potential electric shock, ensure that the three-conductor AC power cord equipped with the system is plugged into an electrical outlet/receptacle marked with hospital grade. The equipment has an extra grounding point (located
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at the lower rear panel). To avoid loss of image quality, it is compul­sory to connect this point to ground (earth).
• Potentially hazardous electrical voltage exists inside the equipment. Unauthorized personnel DONOT attempt to open the cover of the equipment.
• The equipment must not be used in the presence of inflammable gases (e.g. anesthetic gases and nitrous oxide) to avoid explosion hazard.
• Devices must be powered from a receptacle marked "hospital grade" before being connected to the system directly. In case "hospital grade" receptacles are not available, use isolation transformers instead.
Warning!
Electrostatic discharge (ESD) may cause electric shock or damage the equipment. Observe the following precautions:
1. Prior to repairing or cleaning the equipment, ensure that the system has been turned off and the power ca­ble unplugged.
2. The equipment must be grounded correctly during op­eration. Use anti-ESD spray on the ground if possible.
• The leakage current of the entire system including all auxiliary equip­ments must not exceed the limit as stated in IEC 60601-1.
• The equipment may interfere with or be interfered by other high fre­quency devices (e.g. medical lasers). Extra safety measures must be taken if other HF devices have to be used nearby.
• Use the couplant shipped with the equipment or any other couplant recommended by SonoScape. Use any unrecommended couplant may damage the probe and void the warranty.

2.4 Mechanical Safety

1. Prior to using the equipment, place it horizontally and lock the wheels.
2. Take care when moving the equipment. Failure to follow the pre­cautions listed below could result in injury, uncontrolled motion and costly damage.
Take the following precautions before transporting the system:
1) Ensure that the system is powered off and with power cable un­plugged.
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2) Disconnect all the probes from the system and place them in their carrying case.
3) Ensure that all the peripherals and auxiliary devices have been disconnected from the system.
4) If you are moving the docking cart together with the S6 system, unlock the wheels.
5) Now you can hold the handle and push the system to the des­tined place.
If the system is to be transported for long distance, take the fol-
lowing precautions as well:
6) It’s highly recommended to backup the critical data (e.g. patient data and images) to a DVD/CD or hardcopy.
7) Ensure that the system is well prepared and packed in its original packaging before transporting.
8) Place the system upwards, and ensure that it is firmly secured while inside the vehicle during transport.
Warning!
Avoid collisions and excessive vibrations to prevent data loss or system malfunction.
Never move the equipment which is still operating.
Environmental Conditions for Transportation:
Relative Humidity: 20% to 90%, no condensation Temperature: -20°C to 55°C Barometric Pressure: 700 to 1060hPa

2.5 Human Safety

Modern diagnostic ultrasound system has been proved to be safe for daily diagnostic usage, however, only the well trained/educated medical person­nel should operate the equipment. The ALARA (As Low As Reasonably Achievable) principle must be observed. The following are some more de­tailed guidelines on safety use of the equipment.
• Keep the power levels and the exposure time as low as possible, as long as a satisfactory diagnosis has been achieved.
• Use the freeze function or move the probe away from the patient while not scanning.
• Do not rest the transducer on the skin surface when not scanning.
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• The imaging system of S6 is based on Doppler and Color Doppler Imaging. The output power of the ultrasound is lower than the limits as required by the standard IEC 60601-1.
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Chapter 3

Description of the System

3.1 Product Description

The S6 is a professional, general purpose portable color Doppler diagnostic ultrasound system. It employs digital technology and fully exploits the potential of integrated circuits. The software is based on Linux system, which enhances the stability and efficiency while maintains the portability. The user interface has been optimized for ease of use. The imaging system can be adjusted during the scanning process; while for advanced users, the system configurations can be changed quite intuitively. A wide range of probes make the system suitable for many applications. To keep the system up to date, the software updates are provided regularly. To enhance the system performance even more, users may also take the hardware upgrade service provided by SonoScape. There are a variety of upgradeable options available.
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S6 Portable Digital Color Doppler Ultrasound System
3.2 System Configuration
Overview of the S6 System
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Front View
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Side View
S6 Portable Digital Color Doppler Ultrasound System
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1 Audio Out 2 S-Video Socket 3 Two USB Ports 4 Ethernet Port 5 VGA Port
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Rear View
1 2
3 4
5 6 7
8
9
S6 Portable Digital Color Doppler Ultrasound System
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1 Probe Connection Port 1 6 ECG Port 2 Probe Connection Port 2 7 Equipotential point (earth) 3 Video Printer Controller Port 8 Power Switch 4 Foot Switch Socket 9 Power Input Socket 5 Video Out

3.3 Applications

The S6 system, with a wide range of probes available, is extremely versa­tile. This section introduces the applications that the S6 system is suitable for.
6
Small organs (breast, thyroid, testicle and etc.)
6
Vascular
6
Abdomen (liver, spleen, cholecyst, kidney and etc.)
6
Obstetric
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6
Gynecology and fertility
6
Cardiology
6
Urology
6
Musculoskeletal
Note: The application fields are dependent on the probe in use.
Warning!
The S6 system is not intended for ophthalmic use or any use
causing the acoustic beam to pass through the eye.

3.4 Operating Modes

6
B Mode
6
B FLOW
6
Tissue Harmonic Imaging (THI)
6
M Mode
6
Color Doppler Imaging (CDI or CFM)
6
Power Doppler Imaging (DPI)
6
Directional Power Doppler Imaging (DDPI)
6
Pulsed Wave Doppler Imaging (PW)
6
Continuous Wave Doppler Imaging (CW)
6
Tissue Doppler Imaging (TDI)

3.5 Combined Modes

The system provides the following Duplex modes with some in dual display format.
Notations: Left means left screen, Up means upper screen. Similar for Right and Down, e.g., Left B+COLOR, Right B implies that the left screen is of duplex mode, B and CFM, and the right screen is of B mode.
6
Left B, Right B
6
Left B+COLOR, Right B;
6
Left B+COLOR, Right B+COLOR
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S6 Portable Digital Color Doppler Ultrasound System
6
Up B, Down M
6
Up B, Down PW/CW (real time)
6
Up B+COLOR,Down PW/CW
6
Up B+COLOR, Down PW/CW (real time)
6
Up B+COLOR, Down PW/CW (real-time refreshing)
6
Color+M

3.6 Scanning Modes

6
Electronic linear array scanning
6
Sector curved array (convex) scanning
6
Sector phased array scanning
Service Manual
6
Trapezoid linear scanning

3.7 Adjustable Parameters

Users can change these parameters during the scanning process to get the best image quality.

3.7.1 B Mode

Image Parameters:
6
Bandwidth: 1 to 15MHz
6
Maximum Depth: 32.9cm
6
Sector Width/Angle: 10 to 193 degrees
6
Sector Position: adjustable in imaging area
6
Zoom: magnification factor>10
6
Power: 1% to 100%
6
2D Gain Range: 1 to 255
6
TGC: adjustable for 8 different depth
6
Sound Volume Adjustable
6
Focal Zones: 1 to 9 focal zones may be chosen, with focal distance adjustable.
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S6 Portable Digital Color Doppler Ultrasound System
6
Persistence range: from 0 to 95, may vary with the probes
6
Line Density: 3 level adjustable (high/medium/low)
6
Chroma: 13 different colors available
6
Adaptive Image Fusion: 6 level adjustable
6
Tissue Characteristic Index: adjustable from 1400 to 1700
6
Image Orientation: flip vertically and/or horizontally

3.7.2 Spectral Doppler (PW/CW)

Image/Video Parameters
6
Video inversion
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6
Flow Inversion
6
Sweep Speed: 4 level adjustable
Signal Processing
6
Dynamic Range: 5 level adjustable
6
Chroma: 5 different colors available
6
D Gain: adjustable from 1 to 255
6
Doppler Angle Correction: adjustable from -80 to 80 degrees
6
Sound Volume Adjustable

3.7.3 Color Doppler and Power Doppler

Signal Processing
6
D Gain: adjustable from 1 to 255
6
Persistence Range: 0 to 80 (also depends on the probe in use.)
6
Color Mapping: 4 options available
6
B-Reject Range: from 0 to 255
6
Baseline: 31 level adjustable.
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S6 Portable Digital Color Doppler Ultrasound System

3.7.4 Archive and Backup

6
160G HDD (Hard Disk Drive)
6
Image/Video Format: The system supports local format (PPM and CIN) and PC format (JPEG, BMP, TIF, AVI and WMV) and offers the function of conversion from local format to PC format.
6
Cine Playback: More than 1 minute video supported.
6
Accessing local cine files remotely through Ethernet is supported.
6
Data storage using external disks (USB and DVD/CD) is supported.
6
Video output: S-VIDEO/ VGA

3.8 Measurements and Calculations

Service Manual
Measurements Functionality
6
Measurements can be performed either during real-time scanning or in freeze mode.
Measurements and Calculations for 2D Image
6
Length measurements: straight line, ellipse and perimeter of any other arbitrary shapes
6
Area measurements: ellipse, rectangular and area of any other arbi­trary shapes
6
Volume measurements
6
Doppler area
6
Calculation and measurement in gynecology and fertility applications.
6
LV (Left-Ventricular) measurements and calculations
Available LV Calculation Methods:
Single Plane Ellipse
Biplane Ellipse
Bullet
Simpson
Cube
Teichholz
Gibson
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S6 Portable Digital Color Doppler Ultrasound System
M Mode
6
Distance
6
Time
6
Slop
6
HR (Heart Rate)
6
LV (Left-Ventricular) measurements and calculations
Available LV Calculation Methods:
CUBE
TEICHHOLZ
GIBSON
Mitral Valve
Service Manual
Aortic Valve
4D Analysis Software
Doppler Image
6
Length measurements: straight line, perimeter of ellipse and any other arbitrary shapes.
6
Area measurements: area of rectangular, ellipse and any other arbi­trary shapes.
6
Blood flow velocity and acceleration
6
Time
6
Cardiac measurements: Mitral Valve, Aortic Valve, Tricuspid Valve, Pulmonary Valve, TEI index
Report Functionality
6
Cardiac
6
OB/GYN
6
Fetal
6
Vascular
6
Urology
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S6 Portable Digital Color Doppler Ultrasound System
Service Manual
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S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Chapter 4

Principle of the S6 System

4.1 Introduction

This chapter provides the functional explanations of the electronics of the S6 system.

4.2 System Block Diagram

Figure 4.1: Block Diagram of the S6 System
The DBTR board has the following functionalities: Control the timing and band width of the emitted ultrasound; Amplify the variable gain of the echoes; Adjust the electronic focus position, TGC, dynamic filtering, loga­rithmic compression, demodulation and other signal processing functions.
The echo signals are transmitted to the computer and the DBF board. The DBF board serves for extracting the Doppler signals from the echo sig­nals, and sends the output signals to the computer system. After processed
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Service Manual
through the computer system, the signals are sent to the graphics card and then to the display (e.g. LCD monitor).
The computer system is the core control unit of S6. Following user in­structions from the keyboard, it controls the operating modes and adjusts the status of the system. The computer system is also responsible for the display of diagnostic data, calendar, time and etc.

4.3 Principle of Probes

The transducer provides conversions between ultrasonic and electronic sig­nals. At the start of a scanning process, the probe first converts the elec­tronic excitation signals to ultrasonic vibrations. The ultrasonic vibrations (or ultrasound) propagate into the body of the patient; and the echoes are picked up by the probe. Electronic signals converted from these echoes are sent back to the computer system or the DBF board for further processing. The acousto-electric conversion efficiency and the ultrasound focusing abil­ity are the key features that are vital to the system’s performance, such as resolution, maximum scanning depth.

4.4 Operating Modes

This section gives brief explanations of the principles of the scanning modes of the S6 system.
M Mode
Primarily applied in cardiology, M mode provides Time and Motion echo information derived from a stationary ultrasound beam. It records moving anatomical structures and produces subtle patterns of motion.
2D/B Mode
B mode image, also called 2D image, provides a cross sectional view of tissues. The ultrasound image is derived from the tissue echoes that re­ceived by the probe. Each echo’s intensity is mapped to a shade of gray; and the location that the echo occurs is mapped to a unique point on the screen. Except for linear array probes which produce rectangular images, most probes produce fan shaped images.
Spectral Doppler(PW/CW)
The spectral Doppler mode detects the movements of red blood cells based on the Doppler principle. The moving cells reflect the ultrasound sent by the probe. The echoes are frequency shifted (phase shift are detected for PW mode) as a result of Doppler Effect. The spectral distribution of the echoes reveals details of the blood flow: red (blue) shift implies flow away from (towards) the probe head. The pulsed wave mode (PW) is normally applied at detecting low flow velocity, while the continuous wave mode (CW) is normally for measuring high speed blood flow.
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Service Manual
Color Flow Mode (CFM)
CFM (Color Flow Mode) is also called CDI (Color Doppler Mode) some­times. CFM combines 2D grayscale imaging with color imaging. The 2D imaging gives information on tissues; the color imaging, which uses the Doppler principle, gives information on blood flow. The output is the color image overlaid with the 2D grayscale image.
Power Doppler (DPI)
The color image in Power Doppler Imaging (DPI) is in principle different from that in CFM. DPI analyzes amplitude shift, while CFM analyzes fre­quency shift. The color image is overlaid onto the 2D grayscale image which gives information on tissues. DPI is capable of detecting low speed blood flow.
A high pass filter (wall filter) is used to remove the signals from stationary or slowly moving structures. Tissue motion is discriminated from blood flow by assuming that blood is moving faster than the surrounding tissue, although additional parameters may also be used to enhance the discrimi­nation. The power in the remaining signal after wall filtering is then aver­aged over time (persistence) to present a steady state image of blood flow distribution.

4.5 Functional Boards/Units of the S6 System

Besides the probes, the S6 system consists of the following critical func­tional boards/units.
6
MPC board: Also called probe board. Two probes can be connected at the same time and one of them active (scanning).
6
DBTR board: It has an emitting pulse synthesizer and a receiving signal preamplifier/TGC. The DBTR sends electronic signals to drive the probes and pre-amplifies the echoes.
6
DBF board: It converts analog signals to digital signals and sends the signals for digital beam forming (DBF). DBF board also has scan controller, front end controller, demodulation unit and USB ports.
6
DBHV board: It provides the high voltages for the pulse generator and the low voltages for other system units. The ECG and 4D motor units are also on this board.
6
PC Motherboard: It is the core data processing unit of the S6 system.
6
Power supply: ATX SMPS power supply. It provides stable power supply to the whole system (probes, host and LCD monitor).
6
User Keyboard: hard keys, trackball, flip switches and knobs.
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S6 Portable Digital Color Doppler Ultrasound System
DBF Board
7500-0821-XX
DBTR Board
7500-0820-XX
DBHV Board
7500-0822-XX
KEAA board
7500-3039-XX
Motherboard
2101-0008
Power Supply HDD
Monitor
KBD board
7500-0813-XX
USB Cable
Power Calbe
IDE Cable
PS2 Cable
S
A
TA
C
a
b
l
e
P
o
w
e
r
Ca
b
l
e
Printer
Loudspeaker
Cable
Printer Cable
F
o
ot
S
w
i
t
ch
C
ab
l
e
Loudspeakers
Foot Switch
VGA Cable
Voltage
Conversion Board
P
o
w
e
r
C
a
b
l
e
Fan
P
o
w
e
r
C
a
b
l
e
VIDEO
OUT
D
a
t
a
C
a
b
l
e
ECG
D
a
t
a
C
a
b
l
e
Power Cable
P
o
w
e
r
C
a
b
l
e
6
Monitor: 15 inch LCD
6
Loudspeakers: Serve as Doppler audio device.

4.5.1 Functional Block Diagram

Service Manual
Figure 4.2: Functional Block Diagram

4.5.2 Explanations of the System Functions

The electronic pulse signals are sent to the DBTR board from the RAM of the DBF board. After processing, DBTR sends the HV signals to drive the piezo oscillator in the probe. The probe emits the ultrasonic sounds to­wards patient, and also picks up the echoes. The signals are then processed by the front end amplifier and the TGC, both on the DBTR board. At the same time, the DBF board converts the analog signals to the digital signals, utilizes the digital dynamic receive focusing and dynamic tracing technolo­gies, and then demodulates. With some further processing, the signals carrying image information are transmitted to the computer through high speed USB2.0 connection. The computer processes the image data, and the tissue and/or blood flow information is displayed on the screen. The computer also takes user inputs from the keyboard, and sends the control signals to the DBF board through USB2.0 port. Peripherals and Ethernet ports are available on the Motherboard. The switching power supply for medical use provides 12V and 5V DC outputs to other system units/boards. The DBHV board supplies 90V DC and the low voltages for other digital and analog circuits.
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4.6 Part List

S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Part No. Name
7500-0826 MPC 7500-0820 DBTR
7500-0821 DBF
7500-0822 DBHV
7500-0815 KBD
7500-3039 KEAA
2101-0008 PC Motherboard
2101-0152 HDD
3900-0012 LCD Monitor
NA
Voltage Inversion Board
Quantity
1 1
1
1
1
1
1
1
1
1
Description
Probe connection PCB board Emission/Reception PCB board PCB board for receiving digital beam forming and signal pro­cessing PCB board providing high volt­ages Keyboard PCB board KEAA board serves as a hub for interconnecting other PCB boards. It is the central control unit for data processing and video/audio output. 160G hard disk drive Designed exclusively for medical use Provides high voltage source for LCD.
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Service Manual
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S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Chapter 5

S6 Disassembly Instructions

This chapter contains step-by-step instructions on how to disassemble the S6 system for servicing. The flowchart (Figure 5.1, page 5-2) gives a graphic representation on the disassembly sequence and instructs the units that need to be removed during servicing. Additionally you can find infor­mation on connecting different parts inside the system in chapter 6.
Refer to table on page 4-5 to find the part numbers of the PCB boards. Refer to the contents table on page 6-1 to find the part num­bers of the wires/cables . Connector identification numbers, normally in the form of ‘J#’, are marked on the corresponding PCB boards. Connectors on the motherboard are indicated in figure 6.1 on page 6-3. It is recommended to follow procedures in the flowchart to re­place the faulty component.
Contents
5.1 Bottom Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.2 Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5.3 Motherboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5.4 KEAA board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5.5 HDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.6 Voltage Conversion Board . . . . . . . . . . . . . . . . . . . . . 5-10
5.7 Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5.8 MPC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
5.9 Ultrasound Module Assembly . . . . . . . . . . . . . . . . . . . 5-12
5.9.1 Ultrasound Metal Shield . . . . . . . . . . . . . . . . . 5-13
5.9.2 Ultrasound Module . . . . . . . . . . . . . . . . . . . . 5-14
5.10 Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
5.11 Keyboard Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
5.12 LCD assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
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S6 Portable Digital Color Doppler Ultrasound System
Power
Supply
Voltage Inversion
Board
MPC board FansMotherboard
μ-SCAN
Dongle
Monitor
HDD
Back
Cover
Bottom
Cover
Keyboard
Cover
KEAA Board
Ultrasound Module
DBTR
DBHV DBF
Side IO Panel
MPC Metal
Shield
KBD Board
Silicone Rubber
Keypads
LoudspeakerTrackball
Service Manual
Figure 5.1: S6 Disassembly Procedure Flowchart
Warning!
Servicing should be performed by personnels autho­rized by SonoScape only.
Any other personals without written permission from SonoScape DONOT attempt to disassemble the system.
Before removing any parts, ensure that the system has been turned off and the mains power cord is un­plugged.
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5.1 Bottom Cover

Instructions
Remove all the two pan head screws (M3×6) and four round head screws (M3×6) from the system, and pull the bottom cover away from the system to remove it.
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5.2 Back Cover

1
2
3
4
5
6
S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Item Description Quantity
16 M3×6 screws 6
Instructions
Note: Screws 14 are covered by rubbers. You need tweezers to remove them before removing the screws.
Remove all the 6 screws shown in the picture above.
Continued on next page . . .
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S6 Portable Digital Color Doppler Ultrasound System
Press
Press
Pull
Pull
I. Loosen the back cover from the bottom side
II. Loosen the back cover from the top side
Service Manual
Note: Two hooks locks the back cover and the front frame together. I. Loosen the back cover from the bottom side, II. then apply force as indi-
cated in the picture below to loosen the back cover from the top side. Remove the back cover by pulling it at the bottom side.
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5.3 Motherboard

Connect
Micro-Scan
dongle
here
123
4 5
6
12
11
10
7
8
9
S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Figure 5.2: Motherboard
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S6 Portable Digital Color Doppler Ultrasound System
1 2 3
4
Service Manual
Item Description Item Description
1 HDD SATA cable (3520-0506)
SATA1
3 USB cable shield 4 Audio cable (3520-0508, CN4)
5 USB cable for DBF board
(3520-0510) USB2
7 LVDS cable (3520-0507) JC2 8 Composite video BNC cable
9 LVDS shield 10 Power cable for CPU (for connection
11 Power cables for motherboard (for
connection refer to Sec. 6.3.16
2 Keyboard cable (3520-0508, CN2)
EKBM1
SOUT1
6 USB cable for µ-SCAN dongle
(3520-0511) USB3
(3520-0515) JC3
refer to Sec. 6.3.16)
12 Power switch wires (3520-0508,
CN3) J3
Instructions
Disconnect all the cables shown in the picture. Remove the four screws fastening the motherboard.
Note for installation:
The two USB wires (56) should be connected in the correct order.
Refer to chapter 6 and the schematic diagram in appendix B to connect power cables/wires.

5.4 KEAA board

Figure 5.3: KEAA Board
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S6 Portable Digital Color Doppler Ultrasound System
15
16
11
12
1314
Figure 5.4: Cables Connected to KEAA Board
Item Description Item Description
14 Countersunk head screws
M3×6
11, 16 Keyboard data cables
(3520-0505) J2 & J3
13 Power wires for fans
(3520-0509) J1
15 Power wires for KEAA
board (refer to Sec.
6.3.16) XS1
510 Combination screws M3×6
12 KEAA main cables (3520-
0508) XS2
14 Foot switch and video
printer control cables (5320-0514) XS3
Service Manual
Instructions
Remove the four screws (14), and remove the plastic IO panel. Remove the four screws (58). Note that screws 5 and 8 are at symmetrical positions. Disconnect the wires 914, and remove the KEAA board together with the metal frame.
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5-8

5.5 HDD

S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Item Description
1 &2 HDD SATA and power cables
34 Combination screws M3×6
Instructions
Remove the SATA and power cables (12).
Remove screws (34), and pull the HDD horizontally along the arrow di­rectioin to remove it.
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S6 Portable Digital Color Doppler Ultrasound System

5.6 Voltage Conversion Board

Service Manual
Item Description
14 Combination screws M3×6
5 Power connector for voltage conversion board
69 LCD power wires
1011 Plastic screws
Instructions
Remove the four screws (14). Remove the power connector (5) and remove the metal cover. Remove the power wires (69). Unfasten the plastic screws (1011) and remove the voltage conversion board.
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5.7 Fans

Instructions
There are three interconnected fans (only two are shown in the picture) inside the system. In order to remove them, you first need to remove these combination screws (M3×6) as indicated in the pictures, and remove the metal cover.
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5.8 MPC board

S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Instructions
I. Unfasten and remove the twelve combination screws (M3×6) from the metal shield. Remove eight pan head screws from the metal shield (indicated by trian­gles). II. Remove the four combination screws (M3×6) and take care to remove the MPC board.

5.9 Ultrasound Module Assembly

In order to remove the ultrasound module, the metal shied must be re-
moved first.
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5.9.1 Ultrasound Metal Shield

Service Manual
Figure 5.5: Remove the screws fastening the ultrasound metal shield
Instructions
Unfasten and remove all the seventeen combination screws (M3×6) and four pan head screws (M3×6) indicated above. Remove the metal shield.
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5-13

5.9.2 Ultrasound Module

S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Figure 5.6: Remove the cables attached to the ultrasound module
Instructions
Refer to Figure 5.6 to remove the wires/cables attached to the ultrasound module. Refer to Figure 5.7 to remove the two combination screws (M3×6, indicated by triangles) and the four pan head screws (M3×6, indicated by circles). Take the ultrasound module (three PCBs: DBTR, DBF,DBHV are stacked in order) out from the ultrasound module bracket.
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S6 Portable Digital Color Doppler Ultrasound System
Viewed from switching power supply side
Viewed from HDD side
Service Manual
Figure 5.7: Remove the six screws
P/N: 4720-0034-01A
5-15

5.10 Power Unit

S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Instructions
Remove the eight combination screws (M3×6) indicated in the above pic­tures. Note that the two pictures at the lower half are the view from the bottom; the power supply (the gray box) and the mains power switch are to be removed as one unit.
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S6 Portable Digital Color Doppler Ultrasound System
Viewed from underneath
J10
J11

5.11 Keyboard Assembly

Service Manual
Instructions
Lift off and remove the keycaps indicated in the picture. Remove the four screws (indicated with triangles) from the keyboard cover.
Note: These screws are covered by rubbers. You need tweezers to remove them before removing the screws.
Tilt the monitor to keep a 120○angle between the monitor and the key­board. Carefully lift the keyboard up (apply force at the black arrow posi­tions), and disconnect the keyboard data and power wires.
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5.12 LCD assembly

HDD
Ultrasound
Bracket
LCD Signal Cable
Instructions
I. Remove the 2 Coun­tersunk head screws (M3×8) from the ultrasound module bracket.
S6 Portable Digital Color Doppler Ultrasound System
Service Manual
II. Remove the 20 combination screws (M×6) fastening the ultrasound module bracket. Carefully detach the front frame from the ultrasound mod­ule bracket.
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III. To detach the
LCD Signal
Cable
IV
LCD Panel
ultrasound module bracket from the LCD, remove the 4 pan head screws (M3×4).
IV. Gently lift up the LCD, and pull the LCD signal ca­ble out through the ultrasound module bracket.
S6 Portable Digital Color Doppler Ultrasound System
Service Manual
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Service Manual
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S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Chapter 6

Wiring Instructions

6.1 Introduction

This chapter contains information for wiring inside the system. Section 6.2 gives the general information and precautions for connecting miscellaneous parts/units. Section 6.3 includes details on how to make each connection in the correct way.
Contents
6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2 Wiring in the System Level . . . . . . . . . . . . . . . . . . . . . 6-2
6.3 Detailed Connection Instructions . . . . . . . . . . . . . . . . . 6-4
6.3.1 Control Cable for Keyboard Unit (3520-0501) . . . . 6-4
6.3.2 Connection wires for keyboard small board (3520-
0502) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6.3.3 Connection wires for trackball (3520-0503) . . . . . . 6-4
6.3.4 Connection cable for loud speakers (3520-0504) . . . 6-5
6.3.5 Signal Transmission cable for keyboard (3520-0505) 6-5
6.3.6 SATA cable for HDD (3520-0506) . . . . . . . . . . . . 6-6
6.3.7 LVDS Signal Cable (3520-0507) . . . . . . . . . . . . . 6-6
6.3.8 Cables Connecting Keyboard and motherboard (3520-
0508) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6.3.9 Connection wires for system fan(3520-0509) . . . . . 6-7
6.3.10 DBF USB Signal Cable (3520-0510) . . . . . . . . . . 6-7
6.3.11 USB Cable for µ-Scan Dongle(3520-0511) . . . . . . 6-8
6.3.12 Power Supply Cable for Voltage Inversion Board (3520-
0512) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
6.3.13 ECG internal connection cable (3520-0513) . . . . . 6-9
6.3.14 Foot Switch Cable (3520-0514) . . . . . . . . . . . . . 6-9
6.3.15 Composite Video BNC Cable (3520-0515) . . . . . . . 6-9
6.3.16 Main power cables from SMPS (3520-0520) . . . . . 6-10
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Service Manual

6.2 Wiring in the System Level

Please also refer to the schematic diagram attached in appendix B of this service manual for connection.
Refer to table on page 4-5 to find the part numbers of the main PCB boards . Refer to the contents table on page 6-1 to find the part numbers of the wires/cables . Connector identification numbers, normally in the form of ‘J#’, are marked on the cor­responding PCB boards. Connectors on the motherboard are indicated in figure 6.1 on page 6-3.
Warning!
ã Connect the DBF board and the USB port on the Moth-
erboard:
Incorrect connection may lead to burning the DBF
board!
Ensure that the connectors are attached firmly.
ã The two connectors of the power switch must be
plugged into the correct sockets on the motherboard. It’s highly recommended to take note of the positions before removing the two connectors. Incorrect con­nection will lead to system startup failure.
ã The connectors on the KEAA board are complex. Some
ports or connectors look alike and can be easily mixed up. It’s highly recommended to take note of the posi­tions before removing these connectors. Bad connec­tions will lead to system malfunction.
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S6 Portable Digital Color Doppler Ultrasound System
DIMM1
DIMM2
J3
ATX1
ATX12V1
EKBM1
SATA2
SATA1
JC2
(LVDS1)
JC3
(TV2)
USB3
USB2
SOUT1
LVDS
GND
USB GND
Service Manual
Figure 6.1: Connectors on the PC motherboard (2101-0008)
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S6 Portable Digital Color Doppler Ultrasound System
Service Manual

6.3 Detailed Connection Instructions

6.3.1 Control Cable for Keyboard Unit (3520-0501)

CN1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CN2 28 26 24 22 20 18 16 14 12 10 8 6 4 2
Connection Instructions:
There are two identical control cables, both of them are connected in the same way. Connect CN1 to XS1 or XS2 on the KBD board. Connect CN2 to keyboard small board which is attached to the KBD board with screws. Make sure to plug in connectors firmly to avoid keyboard malfunction.

6.3.2 Connection wires for keyboard small board (3520-0502)

Color Yellow White Black Red
Signal CLK DAT GND VCC
CN1 1 2 3 4 CN2 1 2 4 3
Connection Instructions:
Connect CN1 to the keyboard small board through soldering. Plug CN2 to J12 on the KBD board.

6.3.3 Connection wires for trackball (3520-0503)

Signal VCC GND TBPS2DATA TBPS2CLK SET ESC GND NC NC
Color Brown Green White Orange Yellow Red Black
CN1 8 1 7 6 3 2 5 CN2 1 2 3 4 5 6 7 8 9
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S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Connection Instructions: Connect CN1 to XS3 on the keyboard. Connect CN2 to the trackball (keep the white wire upwards.) Avoid inserting the connectors by force.

6.3.4 Connection cable for loud speakers (3520-0504)

Color Red Black Red Black
CN1 1 2 CN2 1 2 CN3 + ­CN4 + -
Connection Instructions:
Connect CN1 and CN2 to J13 and J14 respectively. Connect CN3 and CN4 to the loudspeaker sockets on the keyboard assembly.

6.3.5 Signal Transmission cable for keyboard (3520-0505)

Signal VCC VCC VCC GND GND GND +12V +12V
Color Red Red Red Shield Shield Shield Yellow Yellow
CN1 1 2 3 4 5 6 7 8 CN1 1 2 3 4 5 6 7 8
Signal GND Laudio Raudio GND GND PRT CTRL PRT BUSY GND FSW1 FSW2
Color Black Blue Orange Black Black Brown White Black Green Green
CN3 1 2 3 4 5 6 7 8 9 10 CN4 1 2 3 4 5 6 7 8 9 10
Signal GND PowerSWL PowerSWR GND KBPS2DATA KBPS2CLK GND TBPS2DATA TBPS2CLK GND
Color Black Green Green Black Brown White Black Blue Orange Black
CN3 11 12 13 14 15 16 17 18 19 20 CN4 11 12 13 14 15 16 17 18 19 20
Connection Instructions:
Connect CN1 and CN3 to J2 and J3 respectively on the KEAA board. Con­nect CN2 and CN4 to J10 and J11 respectively on the KBD board. Make sure to attach these connectors tight.
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To PC motherboard
SATA1
To HDD
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6.3.6 SATA cable for HDD (3520-0506)

Connection Instructions:
Connect CN1 to the SATA socket on the motherboard. Connect CN2 to the SATA socket on the HDD. To disconnect CN1, press the metal tab and re­lease the connector gently. Be careful when handling the SATA connectors, they can be easily damaged.

6.3.7 LVDS Signal Cable (3520-0507)

Signal Color CN1 CN2
VCC red/black 1 1
VCC red/blue 2 2 GND pink/black 7 3 GND pink/black 8 4 Rx0- orange/white 11 5
Rx0+ orange 9 6
GND green/black 13 7 Rx1- violet 17 8
Rx1+ violet/white 15 9
GND green 19 10 Rx2- blue/black 23 11
Rx2+ blue 21 12
GND red 25 13
CK- yellow/red 5 14 CK+ yellow/blue 3 15 GND red 26 16 Rx3- brown 29 17
Rx3+ brown/white 27 18
GND black/white 14 19 GND black 20 20
Connection Instructions:
Connect CN1 to LVDS1 on the motherboard. Connect CN3 to ground pin on the motherboard. Connect CN2 to the monitor.
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6.3.8 Cables Connecting Keyboard and motherboard (3520-0508)

Signal GND Audio L Audio R GND POWSWL POWSWR GND KBDATA KBCLK GND
Color Black Violet Brown NC Green Green NC Blue Orange Black
CN1 14 13 12 11 10 9 8 7 6 5 CN2 1 4 2 CN3 1 2 CN4 2 1 4
Connection Instructions:
Connect CN1 to XS2 on the KEAA board. Connect CN2 to EKBM1 on the motherboard. Connect CN3 to the 9th and the 10th pins of J3 on the motherboard. Connect CN4 to SOUT1 on the motherboard.

6.3.9 Connection wires for system fan(3520-0509)

Signal +12V GND +12V GND +12V GND
Color yellow black yellow black yellow black
CN1 1 2 3 4 5 6
Connection Instructions:
Attach CN1, CN2 and CN3 to their corresponding designated brackets hold­ing the fans. Connect CN4 to J1 on the KEAA board.

6.3.10 DBF USB Signal Cable (3520-0510)

Signal +5V D- D+ GND NC GND
Color red white green black no pin shield
CN1 1 3 5 7 10 CN2 1 2 3 4 Metal shell CN3 GND pin
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Connection Instructions:
Connect CN1 to USB2 on the motherboard. Make sure to connect in the correct direction: the vacant hole on CN1 corresponds to the single-pin side of USB2. Connect CN3 to the GND pin on the motherboard. Connect CN2 to the DBF board.
6.3.11 USB Cable for µ-Scan Dongle(3520-0511)
Signal +5V D- D+ GND N/C GND
Color red white green black no pin shield
CN1 1 3 5 7 10 CN2 1 2 3 4 Metal shell CN3 GND pin
Connection Instructions:
Connect CN1 to USB3 on the motherboard. Make sure you get the correct direction: the vacant hole on CN1 should correspond to the single-pin side on USB3. Connect CN3 to ground on the motherboard. Fasten CN2 to the motherboard bracket, and connected it to the µ-Scan Dongle.
6.3.12 Power Supply Cable for Voltage Inversion Board (3520-
0512)
Signal Vcc Vcc Vcc GND GND GND
Color red red red green white black black black
CN1 1 2 3 4 5 6 7 8 CN2 8 7 6 5 4 3 2 1
Connection Instructions:
Connect CN1 to the voltage inversion board. Connect CN2 to P5 on the DBHV board.
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6.3.13 ECG internal connection cable (3520-0513)

Signal RA LA LL GND
Color shield green brown red black yellow
CN1 1 2 3 4 5 6 CN2 6 4 5 3 1 2
Connection Instructions:
Connect CN1 to J14 on the DBF board and CN2 to the ECG connector on the back panel.

6.3.14 Foot Switch Cable (3520-0514)

Signal GND FSW2 FSW1 GND GND PRT-BVSY PRT-CTRL GND
Color NA red black/white shield shield black/white red NA
CN1 8 7 6 5 4 3 2 1 CN2 CN3 2 3 1,4
Connection Instructions:
Connect CN1 to XS3 on the KEAA board. Connect CN2 and CN3 to the printer socket and the foot switch socket respectively on the rear IO panel.

6.3.15 Composite Video BNC Cable (3520-0515)

Color Core Shield
CN1 Core BNC shell CN2 1 2
Connection Instructions:
Connect CN1 to JC3 on the motherboard. Attach CN2 to the back panel as VIDEO-OUT port.
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6.3.16 Main power cables from SMPS (3520-0520)

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Chapter 7

Install and Update the System Software

7.1 Introduction

The software design takes a significant part in the development of the whole system. The S6 system utilizes Linux platform, and the programs are written in C. Thanks to innovative algorithms employed in the system, most of the complicated tasks, such as data acquisition and data manage­ment, are performed through software. The performance of the system can be improved even more by upgrading the software.
For normal software upgrade, SonoScape will send the upgrade files, through either email or CD, to the authorized personals of regional Service Center or Representative. The authorized personal should copy these files to a USB
2.0 removable disk (USB flash drive or removable hard drive), and follow the instructions in the following sections to upgrade the S6 system.
Attention!
The upgrade files are model-dependent. Ensure that
these files match with the system model number before upgrading.
The hard disk drives for different models are not inter-
changeable.
Backing up patient and image data is recommended
before kernel-level upgrading (section 7.5).
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7.2 Applicable Models

Instructions in this chapter are applicable to the models of S6 series and S6 series.

7.3 Update Files

Two update files, a main file (adata file) and a control file (asecure file), are sent by the R&D department of SonoScape. Copy them to the root path of a USB disk or a removable hard dirk drive.
Attention!
The main file and the control file are named as adata_*.*.*.*.tgz and asecure respectively. The four digits (*.*.*.*) in the file names should be identical for the two files and consistent with the current software version. The six consecutive digits ( in the asecure file represent a control number. This control number must be consistent with that on the system to be upgraded. Example: For the two files: adata_2.0.0.12.tgz and
asecure200008_2.0.0.12.tgz, 2.0.0.12 stands for the current software version, 200008 stands for the control num­ber.
******_*.*.*.*
.tgz
******
)
You can find the control number for the system with either of the fol­lowing two methods:
Method 1:
1. Turn on and start up the system.
2. Press MENU key at the EXAM screen, this will lead you to the system menu.
3. Select System Information by moving the trackball.
4. Press Set key to enter the system information submenu. The control number and the current software version number are shown (refer to Figure 7.1).
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Figure 7.1: System Information Window
Method 2:
The control number is also the serial number of the DBF board. You will need to disassmeble the system to find it, so use this method only if you are unable to start up the system.

7.4 Non-kernel Level Update Instructions

7.4.1 Precautions

1. Ensure that the USB disk you are using is accessible on the ultrasound system. Here is a simple way to check for this: try to copy some files from the ultrasound system to the USB disk.
2. Ensure that the files are consistent with the system by checking the software version and the control number.
3. Do not change the file formats or the file names after transferring them to the USB disk.
4. Change date/time to the correct values if they are displayed incor­rectly on the ultrasound system.
Attention!
If the files are sent through email, their names might change unexpectedly. If this is the case, correct their names before upgrading using these files.
E.g.: Change the file name from
asecurexxxxxx.tar.gz(1) to asecurexxxxxx.tar.gz.
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7.4.2 Non-kernel Level Software Update Procedures

1. Plug the USB disk drive with update files into the USB port of the system.
2. Boot up the system, wait until the EXAM screen appears.
3. Press these keys successively: Shift, E and Menu. The system will require a password to continue:
4. Enter the correct password (the default password is HH77 for year
2009), the update confirmation dialogue is shown as below.
5. Select [GO] and press SET key to continue (Press Exam key will can­cel the update process).
6. The system will show this message: “Please wait. . . ”.
7. Wait until the message “Shut Down System” is displayed on the screen. Press Exam key, remove the USB disk and restart the system to com­plete the update.
Note:
1. The password used in the update process is provided to authorized service/maintenance personals by SonoScape. The password is NOT case sensitive.
2. If the message, “Check the USB”, pops up, reinsert the USB disk or use the other USB port.
3. Do not plug in any removable disks into it while the system is starting up to avoid any interruption.
4. The above update process will not change the local cine files or the patients data.
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7.5 Upgrade Kernel and Software

7.5.1 Upgrade Using USB Boot-up Disk

Use the USB boot-up disk to upgrade the system if either of the following two cases is true:
1. The system is to be upgraded from versions older than 2.0.0.16 to
2.0.0.16 or later. In this case, the kernel and the software are to be updated at the same time.
2. The data on the hard disk drive has been corrupted and the whole system needs to be reinstalled.

7.5.2 Notes

1. The user data (cine files and patients data) on the hard disk drive may be erased during kernel upgrade process. Ensure that you have backed up these files before upgrading.
2. Ensure that the USB disk has the latest kernel inside. Refer to Ap­pendix A for details.
3. Unzip/Extract the update files (adata and asecure files) into the update directory in the USB disk. Create it if the file folder "update" does not exist.
4. Use the "safely remove" function in MS Windows to disconnect the USB disk safely.
5. Unless otherwise stated, the following conventions are assumed for configuring BIOS: Use the arrow keys to highlight and select item; Press Enter key to confirm the selection and enter a submenu or a dialogue box. Press Freeze key to exit current submenu and return to previous menu.

7.5.3 Upgrade Procedures

7.5.3.1 Entering Bios
Plug the USB boot up disk containing the update files into the USB port on the system.
Boot up the system, and press the DEPTH key downwards and hold it in position until a password dialogue box pops up. Type "service" and press Enter key. This leads to the BIOS setup window.
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BIOS SETUP UTILITY
v02.61 (C) Copyright 1985-2006, American Megatrends, Inc.
Main Advanced PCIPnP Boot Security Chipset Exit
Boot
Boot Settings
Boot Settings Configuration
Boot Device Priority
Hard Disk Drives
Specifies the Boot Device Priority Sequence
Select Screen ↓↑ Select Item
Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit
CD/DVD Drives
BIOS SETUP UTILITY
v02.61 (C) Copyright 1985-2006, American Megatrends, Inc.
Main Advanced PCIPnP Boot Security Chipset Exit
Boot
Hard Disk Drives
1st Drive
[USB:Kingston DataTraveler]
Specifies the boot sequence from the available devices.
Select Screen ↓↑ Select Item
Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit
2nd Drive [SATA:3M-HT5541689G ]
SATA:3M-HT5541689G
USB:Kingston DataTraveler
Disabled
Options
7.5.3.2 BIOS Setup
1) Select Hard Disk Drives under Boot tab.
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2) Change the first drive to the target USB drive.
3) Press the Freeze key to return to the Boot tab window, and select Boot Device Priority.
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BIOS SETUP UTILITY
v02.61 (C) Copyright 1985-2006, American Megatrends, Inc.
Main Advanced PCIPnP Boot Security Chipset Exit
Boot
Boot Settings
Boot Settings Configuration
Boot Device Priority
Hard Disk Drives
Specifies the Boot Device Priority Sequence
Select Screen ↓↑ Select Item
Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit
CD/DVD Drives
BIOS SETUP UTILITY
v02.61 (C) Copyright 1985-2006, American Megatrends, Inc.
Main Advanced PCIPnP Boot Security Chipset Exit
Boot
Hard Disk Drives
Specifies the boot sequence from the available devices.
Select Screen ↓↑ Select Item
Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit
SATA:3M-HT5541689G
USB:Kingston DataTraveler
Disabled
Options
A device enclosed in parenthesis has been disabled in the corresponding type menu.
Boot Device Priority
1st Boot Device
2nd Boot Device [Disabled]
[USB:Kingston DataTraveler]
4) Set the first boot device to the USB drive.
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4) Go to Exit tab Save & Exit.
7.5.3.3 Install the updates
1. After saving and exiting BIOS setup, the system automatically re­boots. Linux will perform power on self test (POST). Do not press any keys during this process. Wait until the following information in figure 7.2. Type "y" followed by Enter key to continue. Or alterna­tively, type "forcekill" followed by Enter key to continue.
Issueing the "forcekill" command will reformat the HDD. So be sure to back up your essential data first.
Warning!
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Figure 7.2: Upgrade dialog
2. The installation starts immediately. It will take 7 to 10 minutes to complete.
Attention!
If the installation fails double check the following prerequi­sites:
• All boot up files and the kernel files should be intact.
• The update files are correctly extracted, and have been put into the update folder in the root directory of the USB disk.
• The data and power cables of the hard disk drive are attached firmly.
Make sure the above prerequisites have been fulfilled. Restart the installation process, type "forcekill" instead of "y" at the prompt screen (refer to step 1). If the problem persists, it is very likely that the USB disk or the hard disk drive has been damaged. Replace it and restart the installation.
3. Press Enter to turn off the system as "Press Enter Key to shutdown:" appears on the screen.
4. Remove the USB disk and turn on the system. The blue screen will be shown for a while, during when some software will be installed automatically. The system will auto restart twice, and enter the EXAM screen. After writing in config (see instructions below), the system is ready to use.
7.5.3.4 Writing in aconfig file
Note: Writing in "aconfig" file is required only when upgrading/reinstalling
kernel.
Procedures:
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a. Copy the aconfig file consistent with the ultrasound system into the
USB disk from PC.
Note: To be consistent means that the 6 digits in the name of the aconfig file must be exactly the same as the control number of the system. Refer to section instructions on page 7-2 if you do not know how to find the control number for your system.
b. Start up the S6 system, plug in the USB disk when the EXAM screen
appears.
c. Press these keys successively: Shift, E and Menu. The system will
prompt for a password.
d. Enter the correct password (the default password is "HH77" for year
2009), the update confirmation dialogue shows on the screen:
e. The system will show this message on the screen: "Please wait. . . ". Wait
until the message "Shut Down System" is displayed on the screen. Press Exam key, remove the USB disk and restart the system to complete the update.
Note:
1. If the writing in process fails, press SET key to restart the process.
2. If the problem persists, ensure that, the aconfig file has the correct control number (refer to the note above), and the aconfig file is located at the root directory of the USB disk. Restart the writing in process.
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7.5.4 Activate the µ-SCAN function
Attention!
In order to use the µ-SCAN function, any external USB disk drives should be removed before the system startup.
a. Insert the µ-SCAN dongle into the designated USB connector (refer to
section 5.3 to connect).
b. Copy the Keypass file from PC to the root directory of a USB disk.
c. Remove any removable USB drives if any, start up the S6 system.
d. Plug in the USB disk drive with Keypass file when the EXAM screen
appears.
e. Enter engineer mode by pressing these keys successively: Shift, E and
Menu, and then type in the monthly engineer password.
f. Move the cursor above IN button, and press SET key to write in the
Keypass file. After successfully writing in, press EXAM key to exit.
g. Re-entering engineer mode, select Engineer Config. Press ‘I’ button to
activate Keypass. The successful activation will lead to the following screen. (If the activation fails, check whether the Keypass file is con­sistent with the µ-SCAN dongle and located at the root directory of the USB disk.)
h. Remove any removable USB drives, restart the system. Enter a diag-
nostic mode and press MENU key, the µ-SCAN functionality should be activated.
Note: If the µ-SCAN function has not been enabled up till now, ensure that the µ-SCAN dongle is correctly plugged in and repeat procedures from step d above. In order to use the µ-SCAN function, no external USB drives
should be connected during system startup.
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Chapter 8

System Functionality Tests

8.1 Introduction

After upgrading/updating or reinstalling the system, a series of system functionality tests should be performed to ensure that the system will work normally. In case of that any test fails, re-service the machine or reinstall the software and perform the system functionality test afterward.
Warning!
Only Service Engineers/Representatives trained to re-
pair the S6 system and authorized by SonoScape should perform the system functionality tests.
DONOT remove or replace any circuit boards while the
system is powered on. ñ Danger of personal injury and system damage!
DONOT remove the system’s insulation unit. ñ Potential
hazardous voltage inside!

8.2 Testing Software

The system has built-in testing software which can be utilized to test the performance and functionality of the system hardware. The software sup­ports both in-factory and field tests. After the system passed all the neces­sary functionality tests, service personal should reset and restart the system before handing it to the user for normal usage.
The test results will be shown in one of the following three cases:
1. A red mark means the system fails the corresponding test. The system needs service and be tested afterward.
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2. A green mark means the corresponding test is a success. You may either quit or continue with the next test if necessary.
3. An illustration of data tables which reveal information on how the tested part is working.
Available tests are listed below.

8.2.1 Speaker Test

It checks the normal functionality of the loud speakers on the system.

8.2.2 System memory

Test all accessible registers and memories in the scanning unit.

8.2.3 TFC test

Test the connection between the DBF board and the DBTR board. A red mark implies there is connection error.
8.2.4 ECFIFO
Test the FIFO functionality of the DBF board. A red mark implies connec­tion error.

8.2.5 Receive bus

Test the connection of receive bus on the DBF board. A red mark implies connection error.

8.2.6 Detector to FIFO

Test the functionality between demodulation circuit and FIFO circuit on the DBF board.

8.2.7 ADC Test (Rx on)

While Rx is on (the receive channel is on), it tests AD converter, and also signal channels on the DBF board by examining amplitude and phase. The normal functionality of AD conversion requires that both system memory and receive bus are functional, so either Receive bus test or System memory test fails implies that ADC Test (Rx on) fails.
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8.2.8 Probe ID, HV and Temp

This test includes three elements:
1. Identify the probe ID; 255 is displayed if no probe is connected.
2. It tests the functionalities of HV generator and HV regulator.
3. It checks the temperature of HV generator.
Refer to DBHV test for the pass/fail standard of this test.

8.2.9 ADC Test (Rx off)

Run this test only if the DBTR board is not installed and receive channel is off (Rx off)! Refer to 8.2.7 for ADC test details.

8.2.10 Receive Channel Test

It displays illustration of the functionality of the 64 ADC channels on DBF board. This test requires the normal operation of the back ends (demodula­tion and scanning units). So the illustration is also an indication of whether the back ends work normally.

8.2.11 Single Element Test

Test the output signal channels from probe to demodulator. The probe for this test has an input either from echoes (by submerging the probe head into a cup of water) or from external ultrasound generator. An illustration will be displayed after running the single element test. The cause of the error, if any, can be identified from this illustration to be the probe board, the array elements or the DBTR board.
Note: In the Service Center, a simulation probe may be used instead. The simulation probe is a probe with a simulative load and is connected to an oscilloscope. By observing the test results from the oscilloscope, the problem of the output signal channels from probe to demodulator can be identified.

8.3 Test Procedures

At the EXAM screen, enter the System Configuration window by pressing MENU key. Select System Information and press SET key. The system information will be shown as below,
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Figure 8.1: System Information Window
The Control Number shown hereis a unique number which varies from equipment to equipment; Software Version indicates the current version number which will be updated with system upgrade.
Select DIAGNO and press SET key. Type in the correct password followed by Enter key, and this brings to the test interface, or test mode (see below.)
Figure 8.2: Test Interface
The test interface consists of five parts: system test, real-time test, key simulation, screen pattern and ezNetwork configuration.
Note: The correct password is required to enter the test mode. Authorized personals may request for this password from SonoScape.

8.3.1 Run Test 8.2.1 (Speaker Test)

a) Move the cursor to the check box next to “Speaker Test” and press SET
key. (A cross symbol in the check box indicates that the corresponding item has been selected.)
b) Click PLAY button to execute Speaker Test. The screen will display
“Left Channel (1000Hz) Press any key to continue. . . ” The left chan­nel should produce a sound at 1,000Hz if it’s working properly. Press any key (excluding trackball, left and right cursor keys) to continue the test in turn with Right Channel (1000Hz), Left Channel (500Hz), Right Channel (500Hz), Left Channel (125Hz) and Right Channel (125Hz).
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8.3.2 Run Tests from 8.2.2 and 8.2.9

a) Move the cursor to the check box next to “System Memory", or any other
test items mentioned from 8.2.2 to 8.2.9, and press SET key. You can also check the “Select all” check box to test all these items at the same time.
b) Click PLAY button to execute the tests selected. It automatically stops
if the Repeat check box is not selected.
c) The testing status will be updated on the information panel on the
screen during the test process. All the reports will be saved as log files on the hard disk drive at the end of the tests.
d) To browse the log file, click (LOG) button and use and keys to
select. (Click the LOG button again to return to test mode.)
e) Click Exit button to exit from the test mode to the system menu.

8.3.3 Run Tests from 8.2.10 to 8.2.11

a) Run Test 8.2.10 (Receive Channel Test)
b) In test mode, click Real-Time Test button, move the cursor to the check
box next to “Power Measurement”, and press SET key. This brings to the EXAM screen.
c) Select a linear array probe, and enter the first diagnostic mode (carotid).
d) Press “PRINT” key, the Power Measurement menu pops up.
e) Check the box next to "ADCT" by pressing ENTER key. A signal is sent
to the 64 channels on the RBF board, a white mask is overlaid onto the diagnostic window. You may control the signal frequency with the left and right arrow keys.
f) The system will display 128 white lines (192 lines for high density
probe). The ADC channels are considered as working properly if either of the follow two is true:
• These white lines are evenly distributed.
• Some of these lines are distorted slightly, i.e. line density varies slightly at different parts. The system has passed the ADC test (Rx on) at 8.2.7.
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8.4 Key Simulation Test

After clicking the Key Simulation button, the system enters the key simu­lation test. The interface simulates the user keyboard (refer to the figure below). All keys, flip switches and TGC sliders can be tested.
When a hard key/flip switch is pressed, the corresponding key on the screen will be highlighted with a blue dot. Move the cursor to the Exit button, press SET key to exit the key simulation.
Contact our service center if either
1. Any key fails the key simulation test.
2. Certain keys have passed the simulation test, but are not responsive during the ultrasound diagnosis.

8.5 Real-time Test

Force probe ID: Force the system to change the ID of the selected probe
to another ID. The system will assume another probe with this new ID is connected. Use left and right arrow keys to switch among different IDs. You might want to use this function if no applicable probes exist during the test of 8.2.10 or 8.2.11.
Key record: If this function is enabled, all key/flip switch/trackball activ-
ities together with the dates can be recorded. During the real time diag­nosis, press ELLIPSE key to start recording, press this key again to exit recording. Press TRACE key to replay the keyboard activities at the key simulation interface.
Power Measurement: This function must be enabled to run the tests of
8.2.10 and 8.2.11. Refer to 8.3.3 for details.
ezNetwork: If Ethernet is enabled but no static IP address has been set,
the system will always try to search for an IP address during startup. This normally consumes extra startup time. If there is no available network,
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it is recommended to turn off the Ethernet by setting ezNetwork to off to reduce startup time.
Notes: The network setting can also be configured at the DICOM setting interface (under the system menu).
Attention!
If network printer or computer is to be connected, Ethernet function must be enabled.
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Chapter 9

Supported Peripherals

9.1 Introduction

The S6 system currently supports the following peripherals:
Service Manual
A. Network printer
B. PC with Windows XP (SP2/SP3) installed
C. USB 2.0 removable disk
D. Thermal printer
When connecting the device A or B to the S6 system, both the device and the ultrasound system must be properly configured before they are opera­tional. Other devices listed above are ready to use after being connected to the S6 system, no configuration is required.
The S6 system currently only supports network printers and thermal print­ers . Some supported printer models are listed in the section 9.3. It’s rec­ommended to consult the service center of SonoScape if the user intends to use a printer model not in the support list. SonoScape will test the printer models based on market demand and extend the range of supported printer models for the S6 system.
The user can access the cine files (images or videos) on the S6 system remotely using a PC which has been connected through Ethernet.

9.2 Thermal Printer Installation

Thermal printer (or video printer), may be connected to the ultrasound system directly with the BNC or S-VIDEO cable provided. The printer con-
troller should be connected to the printer controller port on the ultra­sound system. The printer is ready to use immediately after connection, with no configuration required. SONY UP-20 color-video and UP 895MD
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black & white thermal printers have been tested to be fully functional when working with the S6 system.

9.3 Network Printer Installation

9.3.1 Supported Models (Not Exhaustive)

Printer Model S6 system software version
HP 5850 2.0.0.12 or higher HP 6840 2.0.0.12 or higher HP 6848 2.0.0.12 or higher
HP K5400DN 2.0.0.12 or higher
HP CP1515N 2.0.2.0 or higher
9.3.2 Configurations
Before using the network printer, both the printer and the S6 system must be properly configured through the printer setting interface on a PC and/or printer control panel. This section gives instructions on how to install HP K5400DN and HP CP1515N printers, installations for other models should follow similarly.
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8 Printheads
9 Printhead latch
10 Top cover
For more information about interpreting control-panel lights, see Control-panel lights
reference.
(continued)
S8 Portable Digital Color Doppler Ultrasound System
Service Manual
9.3.2.1 HP K5400DN Installation Procedures
Figure 9.1: HP K5400DN Control Panel
1 Ink cartridge lights
2 Printhead lights
3 Configuration Page button
4 Cancel button
Service Manual
1. Install printer driver on the computer.
2. Connect the printer to the computer with an Ethernet cable. Turn the printer on and wait for a while (about 3 minutes), press Configuration Page button on the printer, the printer information together with its current IP address (allocated randomly) will be printed out. (Refer to figure on page 9-4) In this example the IP address is 169.254.103.148.
3. Change this randomly allocated IP address to a fixed address,
192.168.254.183, by following these steps (also refer to figure 9.3),
(a) Set the computer’s IP address to 169.254.103.55.
(b) Type the IP address printed out in step 2, i.e., 169.254.103.148
in our example, into the address bar of the IE explorer and press the Enter key. This leads to the printer setting page.
(c) Click "Connection" on top left of the window, and then click
"Wired",
5 Resume button and light
6 Power button and light
and the manual subnet mask to 255.255.255.0.
(d) Select "Manual IP Address". Set the IP address to 192.168.254.183,
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Figure 9.2: Printer configuration page
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Figure 9.3: K5400 Printer setting window
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9.3.2.2 HP CP1515N Installation Procedures
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Figure 9.4: HP CP1515N Control Panel
Configuring the printer
Note: Also refer to HP CP1515N’s User Guide for more detailed operation instructions.
1. Connect the printer to the S6 system, turn on the printer.
2. On the control panel menu, press OK.
3. Use the or buttons to select Network config, and then press OK.
4. Use the or buttons to select TCP IP Config and press OK.
5. Use the or buttons to select Manual and press OK.
6. An IP address is displayed. Change it to 192.168.254.183 if it is not so. Use the control panel buttons to change and press OK to confirm.
7. After setting the IP address, press OK to continue configuring the subnet mask. Set the subnet mask to 255.255.255.0 if it’s not so.
8. Press OK to configure default gateway, set it to 192.168.254.183, and press OK.
Install the printer driver on the S6 system
1. Copy the driver file, which is provided by SonoScape and should have the filename "deskjet.ppd", into the directory of a USB drive. Use this USB drive in the next step.
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S8/S8 Pro
Portable Digital Color Doppler Ultrasound System
NOTE:
Do not select PC clip format here, it will slow down the system. Instead,
use system format and convert it to PC format in the File Manager. Refer
to File Manager section for detail.
¾ Date Format: Format for the date to be entered. Three types of
date format are supported right now: mm/dd/yyyy, yyyy/mm/dd, dd/mm/yyyy.
z Printer Driver: Supports HP printer driver.
z Video Invert: To save printer ink, turn this option on. It will
convert black background to white and white data image to black.
z Insert Driver: To insert new printer driver, use this option.
SonoScape
New Site
Genral Setting
Set Printer
Set Calculation Menu
Set Measurement Method
Load Default
Exit
Default HP Deskjet
OFF
Printer Driver
Vidco invert
Insert Driver
Click
2. Insert the USB drive and start up the ultrasound system. Enter System Setting, select Set Printer (see below). Move the cursor to Insert Driver using the trackball and press the SET key on the "click" button. Follow the on screen instruction to press the SET key again. The system will start installing the printer driver.
Service Manual
9.3.2.3 S6 Configuration Procedures
1. Press MENU key at the Exam screen.
2. Select DICOM and press SET key to confirm.
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3. Check the box in front of "Set fix IP address".
4. Set "Static IP" to 192.168.254.182.
Set "Net mask" to 255.255.255.0.
Set "Gateway" to 192.168.254.254.
Set "Printer IP" to 192.168.254.183.
Keep other items unchanged.
5. Select "Save Setting" to save settings and exit.
9.3.2.4 Post Installation
1. Connect the printer to a SonoScape ultrasound system, whose IP ad­dress has been configured correctly, with an Ethernet cable.
2. Test the print function on the ultrasound system.
3. If the system passed the test, put a green label on it.
4. Otherwise review the IP setting of the ultrasound system, and/or re­install the printer driver.

9.3.3 Network Connection with PC

Network connection between the S6 system and a PC can be achieved by either direct connection or indirect connection through router.
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9.3.3.1 Connection through Router
You can set up the local network and DICOM functions in DICOM setting interface.
1. Follow instructions in 9.3.2.3 to enter the DICOM setting interface window.
Attention!
Check/Uncheck the box next to the ezNetwork to en­able/disable network connection.
Network connection must be enabled in order to con­nect the S6 system with PC or network printer.
2. Connect the router to the PC with an Ethernet cable complying with T568B standard. Get instructions from the router manual to set the LAN port IP address to 192.168.254.1, subnet mask to 255.255.255.0, and turn the DHCP service on.
3. Open the computer’s network setting window. Set the PC’s IP address to 192.168.254.X. X can be any number from 1 to 255, but not 1 or 182 (The two addresses are already taken by the router and the S6 system.) Set subnet mask to 255.255.255.0. Set both default gate address and first DNS sever address to the router’s IP address (192.168.254.1).
4. Change the computer’s workgroup to "MSHOME" (Right click on My Computer icon, click Properties-Computer Name-Change.)
5. Connect the S6 system to the router with an Ethernet cable com­plying with T568B standard. Turn on the S6 system, wait until the EXAM screen appears (It takes about 5 minutes). Now open the Network Place window on the PC, the S6 system should have been shown as a computer named "SonoXXX". If it is not shown, type //:192.168.254.182 in the address bar, and press Enter, available con­tents in the S6 system will be displayed in the window.
9.3.3.2 Direct Connection
Use crossover LAN cable instead of normal Ethernet cable. The crossover cable should have pinouts as shown in Figure 9.3.3.2.
1. Follow instructions in 9.3.2.3 to enter the DICOM setting interface window. Check the box next to "ezNetwork" to enable network con­nection.
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SSI-8000 Mobile Digital Color Doppler Ultrasound System
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minutes). Now open the Network Place window on the PC, the SSI-8000 system should have been shown as a computer named “SonoXXX” . If it is not shown, type \\192.168.254.182
in the address bar, and press Enter, available contents in the SSI-8000 system will appear in the window.
9.3.3.2 Direct Connection
Use crossover LAN cable instead of normal Ethernet cable. The crossover cable should have pinouts as shown below.
Connection 1: T568A Connection 2: T568B
Pin
signal pair color signal pair color
Pins on plug face
1 BI_DA+ 3
white/green stripe
BI_DB+ 2
white/orange stripe
2 BI_DA- 3
green solid
BI_DB- 2
orange solid
3 BI_DB+ 2
white/orange stripe
BI_DA+ 3
white/green stripe
4 1
blue solid
1
blue solid
5 1
white/blue stripe
1
white/blue stripe
6 BI_DB- 2
orange solid
BI_DA- 3
green solid
7 4
white/brown stripe
4
white/brown stripe
8 4
brown solid
4
brown solid
Service Manual
Figure 9.5: Crossover Ethernet Cable Pinouts
2. Open the network setting on the PC, and set its IP address to
192.168.254.X. X can be any number from 1 to 255, but not 182 (It is already taken by the S6 system.) Set subnet mask to 255.255.255.0.
3. Change the computer’s workgroup to "MSHOME" (Right click on My Computer icon, click Properties-Computer Name-Change.)
4. Connect the S6 system to the PC with a cross over cable.
5. Turn on the S6 system, wait until the EXAM screen appears (It takes about 5 minutes). Now open the Network Place window on the PC, the S6 system should have been shown as a computer named "SonoXXX". If it is not shown, type //192.168.254.182 in the address bar, and press Enter, available contents in the S6 system will be dis­played in the window.
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Chapter 10

System Troubleshooting

10.1 Introduction

This chapter contains information for troubleshooting the S6 system. With the information provided in this chapter, the service personnel should be able to pinpoint the causes of most of the common problems and repair the faulty equipment.

10.2 Preparation

1. The user and service manuals for the S6 system should be thoroughly read before troubleshooting the equipment. All the warnings and cautions should be thoroughly read and properly understood.
2. Determine the cause of the system malfunction: Is it originated from the user’s misuse or from hardware/software failures?
3. Consider possible causes of the problems carefully: Has the system been operating continuously for too long? Any external factors (e.g. equipment drawing high power) that interfere with the normal oper­ation of the system?
4. Check these devices/places first: external power supply socket, (ex­tension) power cord, power supply outlet and fuse.
5. If an unusual problem is encountered, try to identify the cause by reproducing the problem.
6. With the testing software (chapter 8) provided and the information on the common problems introduced in the following sections, ex­perienced service engineers may diagnose and eliminate a potential problem.
7. Consider the service cost. Do not replace a component if you are unsure if it is the cause. Avoid introducing extra factors that might
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interrupt the test or cause another problem. If a certain component has been identified to be the cause of a problem, replace it but not the whole circuit board that holds it. For example, a faulty capacitor has been identified as causing a system malfunction. Replace this capac­itor, but not the PCB board that holds it. However, double check this PCB board after replacing: sometimes the problem might be caused by more than one faulty IC.
8. After repairing the equipment, perform the necessary tests to ensure that the system will operate with optimal performance.
Warnings and Precautions
Before servicing, review all the warnings and cautions in the previous chap­ters.
Warning!
Potential hazardous voltage exists inside the system! Remove any personal jewelry that contain metallic substances.
DONOT remove or replace any circuit boards while the system is powered on. => Danger of personal injury and system damage!

10.3 Functional Check

10.3.1 Basic Functional Tests

The basic functional tests with the expected results are described below.
1. Connect a probe, take L743 for example, to the S6 system.
2. The supported diagnostic modes illustrated as large icons are dis­played on the screen. Choose a diagnostic mode to start the real time scanning.
3. Enter color mode by pressing CFM key, an area of interest is shown on the screen. Adjust the D Gain from minimum to maximum, en­sure that the color flow is always randomly distributed. The color flow should cover the whole area of interest as the D Gain is set to maximum.
4. Press the FREEZE key to enter the freeze mode. Ensure that all dis­played data are correct by checking the cine replay.
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5. Press M key to enter M mode, press UPDATE key to ensure that the system is working properly in M mode. Make sure that TGC, depth and power control are adjustable. Consult the user manual, if you do not know how to adjust these parameters.
6. Press PW key to enter Power Doppler mode, press UPDATE key and ensure that the Doppler trace is updating. No noise with fixed pat­terns should appear on the screen.
7. Press THI key, and then UPDATE key, ensure that the system is work­ing properly in the harmonic imaging mode.
8. Press EXAM key to exit from diagnostic mode.
9. Remove the probe from the system.
Repeat the above steps using different probes.

10.3.2 Functional Test for Critical Parts

This system consists of several key units, i.e., keyboard, power supply, com­puter system and ultrasound module. If the equipment has been shifted more frequently than usual during usage, the electrical and mechanical connections/contacts are most likely to be the cause of problems. It is im­portant for service engineers to check the connections/contacts both before and after servicing the equipment. The following instructions provide gen­eral information on how to check some of the critical connections/contacts.
10.3.2.1 Keyboard (7500-0815)
The keyboard can be worn quickly due to heavy daily usage. Ensure that all keys (there should be no stuck keys), knobs, switches and trackball are working properly after re-installing the keyboard.
10.3.2.2 Probe Board (7500-0826)
The probe board (MPC board) serves as the important transmission channel between the probe and the front end (DBF board). J1 and J2 are two 100­pin sockets on the probe board. J1 is connected to DBTR board to transmit ultrasound signals and probe codes. J2 is connected to the power supply to provide power for the switching relay and other ICs.
Connection problems between J1 and DBTR board will most likely lead to dark bars on the diagnostic image or even failure to detect the probe.
Connection problems with J2 will lead to failure to detect the probe, or difficulty with switching to another probe connected at the EXAM screen. Power indicators D10 and D11 will probably not be illuminated also.
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10.3.2.3 Motherboard
The computer Motherboard is the central control unit of the S6 system, any faulty part or any faulty connection/contact will cause malfunction of the whole system. Ensure that all the connections/contacts with power supply, RAM, SATA connector, and etc. are good after servicing. Problems with these connections/contacts will lead to startup failure, auto shutdown, no video output, and/or other system malfunctions.
CPU ventilation fan is an easily worn out part, ensure that the paddels are rotating smoothly while the system is operating.
10.3.2.4 Ultrasound unit
Ultrasound unit (consists of DBTR board, DBF board and DBHV board) takes most duties concerning signal processing and sequence control. Good connections between these boards inside the ultrasound unit should be guaranteed. Among the connections from the Ultrasound unit to other units/parts, the following two are the most critical.
(1) USB2.0 Connection: Ultrasound unit connects to Motherboard through USB2.0 port on the DBF board. This connection is critical for the normal operation of the system. A bad connection will cause the system to crash, auto shutdown and/or other serious system failures.
(2) Power Supply Connection All the power consumed by the Ultrasound module is transferred through P3 and P4 (or P1 and P2 in some models) both on the DBHV board (7500­0822-XX). The current flowing through these connectors, therefore, are quite large. Bad connection increases the node resistance and reduces the voltage supplied to the Ultrasound unit, or even worse, it will cause the connector to burn. To avoid these problems, observe these precautions:
1) Hold the connector not the cable when disconnecting. 2) Ensure good contacts at P3 and P4 (or P1 and P2 in some models).

10.4 Common Problems and Service Instructions

Note: If the system is locked up and requires a password to continue at
startup, type the password (press Shift key to change alphabet case) and press Enter key (not SET key!), then restart the system. The password, provided by SonoScape, consists of alphabets and numbers, and is case sensitive.
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Attention!
After the system is powered on, if it shows abnormal startup screen or enters a diagnostic mode even without user’s inter­vention, it is likely that the keyboard is not working properly. Test the keyboard (all hard keys, knobs and flip switches) be­fore searching for the problem resolution elsewhere.

10.4.1 Repairing Procedures

A. Field Test
Get detailed information on the equipment from the user before testing: symptoms, working environment, frequency of the malfunction, whether the equipment has been moved frequently, and etc.
1. Understand the user’s habit of operating the equipment. (Some users turn off the power supply before the system shuts down completely, this can cause software problems.) Make necessary recommendations for the user.
2. Check the power supply: Can the outlet provide the power required by the equipment? Any high power consuming devices connected to the same outlet? . . .
3. Check the working environment: Humidity meets the operation re­quirement? . . .
4. If there is burn smell from the equipment, identify the circuit board which has burned. Check power supply and fuse first, and then DBHV board, DBTR board, DBF board, Motherboard, and other parts.
B. Identify the Cause of the Problem
1. Record the symptoms of the problem, the time that the problem oc­curs, what the user has done after the problem occurs. Make ini­tial guess on the cause of the problem based on your knowledge of the equipment and your experience (any same/similar problems hap­pened before or described in this manual). The Problem Analysis Ta­ble in this chapter provides information on some common problems and their solutions.
2. It’s recommended to check the connections first, especially the con­nectors and cables attached to hard disk drive, Motherboard, DBF board and power supply. Normally you should look for bad contacts and worn out cables.
C. Repair the Equipment
1. Replace only the part/element that causes the problem.
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2. If you are uncertain about which component causes the problem, re­place them one by one and re-test after each replacement until the problem is solved. Replacing all the components before re-test is NOT recommended. Fasten the wires/cables to the original place, if possible, to avoid introducing extra noise into the circuits.
3. Attach the connectors in the correct way: write down the arrange­ments for each connector before removing it.
4. After replacing all the necessary parts, put in all the screws, drive them tightly.
5. Never leave a free or loose screw inside the equipment.
D. Post-Service Instructions
1. After servicing the equipment, the service engineer should run the functional tests (described in section 10.3) to ensure the proper op­eration of the equipment.
2. Ensure that the system works normally in different diagnostic modes. Adjust various parameters (dynamic range, gray scale, gain, display brightness and etc) to meet the user’s requirements for the image quality.
3. ON-OFF Test: Turn on and off the equipment several times, and test various diagnostic modes while it is on. Ensure that no problem oc­curs again. Increase the ON-OFF tests number if an occasional prob­lem has just been resolved. Also check for any potential problems, if find any, resolve them also.
4. If the system has been used for a long time, it is necessary to do some clean work, e.g., clean the dust filter and keyboard (refer to chapter
11).
5. Ensure again that the external power supply meets the requirement.
6. If a workstation is connected, check whether cine images can be transferred to it from the S6 system.
7. Make a detailed record for the whole service process to assist in the future follow-up (maintenance or service). It should include descrip­tion of the problem, replaced parts and corresponding part numbers and detailed repairing procedures. A signature from the hospital di­rector on the service record is compulsory.

10.4.2 Problem Analysis

The common problems, divided into categories of startup problems (page
10-7), operating problems (page 10-9) and shutdown problems (page 10-
13), and their solutions are provided in the following tables. You may take
them for reference. However, you should analyze the problem on site with care, it may be caused by a different faulty part!
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^
Startup Problems
S6 Portable Digital Color Doppler Ultrasound System
Service Manual
Problem
Unable to turn the system on
Prompt for pass­word
LILO–Keytable read/checksum error appears after startup
System freezes at 40% booting up
Unable to turn the system on
Auto shutdown
Brown screen af­ter system boot­ing up - I
POST failure
Black screen
Unable to enter Linux interface
Symptoms
There is no response after pressing the power button. The keyboard is not illumi­nated.
After POST, a prompt for password appears.
The message is displayed after POST.
The system freezes at the 40% loading screen.
Power switch and monitor LED indicator are illumi­nated. The keyboard lights flash once after the power button is pressed, the sys­tem is not turned on.
The system auto reboots at the 95% loading screen.
A brown screen, with the message: "Verification er­ror", appears after startup. Restart the system always leads to this error: "SVF: open data file error."
System fails the power on self test. Unable to turn off the system normally.
The system freezes at a black screen after startup.
The following message ap­pears on the screen after showing the logo: Mandrake Linux release
9.1 (Bamboo) for i586 ker­nel 2.6.8.1-12 mdklcustom on an i686/tty4 localhost login:"
Suggested Solutions Check the following items: the power cord is correctly connected; the mains power switch on the back panel is switched on; the input voltage level meets the requirement. Check if the fuse is blown out. If nothing abnormal is found in the previous checks, replace the power supply.
Check for any stuck keys, clean the dust on keyboard.
Check keyboard and HDD for any defects. Update software if necessary.
Most likely to be caused by a faulty DBF board.
Check for any burning smells from DBHV, DBTR, power supply and etc.
Check for the DBF board and the Mother­board malfunctions. Check for bad connections of USB and power supply.
It’s most likely caused by the DBF board mal­function.
Check if it’s caused by a faulty DBF board by disconnecting the USB cable attached to the DBF board.
Long-press the power button to turn the sys­tem off. Restart the system. If the same prob­lem occurs even after restarting several times. Reinsert the RAM or replace it if necessary.
Update the software.
continued on next page
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Startup Problems: continued from previous page
Problem
Symptoms The screen turns brown,
displaying the following messages after startup:
ID=0.2
Brown screen af­ter system boot­ing up - II
Freezes at the booting up screen
Cmd Ack Timeout Exp=3,Res=1 Command IN Ack Timeout EC Header Corrupted (255)! Swap IN pingpong 1 . .. Flag=0 Send our dummy packet... Flag=1 wap IN pingpong 2. . . Flag=0
The system freezes at the "System Booting" screen.
Blue screen appears after the system is turned on. The system is able to en-
Slow start up
ter the EXAM screen af­ter restarting three times, however, startup process may take more than 10 minutes.
Service Manual
Suggested Solutions
Restart the system several times to check if the same problem occurs. If the problem does occur again, update the software. If the problem persists, it might be caused by the DBF board malfunction.
Update the software.
Update the software. If the update fails, or the update does not solve the problem, replace the HDD with an­other one which has the updated software in­stalled in.
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Operating Problems
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Service Manual
Problem
Diagnostic mode icons are flashing.
Unable to switch probes
The probe icon does not match the actual probe connected.
Artifacts with triangular shapes appear in the near field.
Image stratifica­tion
Dark lines appear on the real time image.
Actual scan depth is less than system specification.
Blood flow is not shown
Artifacts with radiation lines’ shape
Left and right parts appear to have different brightness.
Mirror artifacts
Dark near field
Symptoms
At the EXAM screen, the di­agnostic mode icons of a probe are flashing.
Unable to switch the probes, or the switching is only "partial".
Unable to detect the probe and/or the probe icon does not match the actual probe connected.
White triangular wave liens and/or triangular dark shadows appear in the near field.
The real time image is stratified in the vertical di­rection.
The dark lines, 0th, 2nd, 4th, 64th, 66th and 68th appear on the screen when the depth is set to 241mm, the 0th and 64th dark lines are flashing. When set­ting the depth to the min­imum value, only the 2nd and 66th dark lines appear.
In the B mode, the actual scan depth is limited to the near filed; the far field may not be resolved.
Blood blow is not shown in the color mode.
Artifacts with radiation lines’ shape appear in the real time image.
Left and right parts of the real time image appear to have different brightness.
Mirror artifacts appear on the real time image.
On the real time image, the near field is totally dark.
Suggested Solutions Replace the probe or try another one. Check for bad contacts and cold soldered joints on the probe board and the DBTR board. Check for bad connections between the DBHV board and the Motherboard.
Check if the probe board works normally. Check if there are sounds when switching probes. Check the connections/contacts between the probe board and the DBTR board.
It’s most likely caused by the DBF board mal­function.
It’s most likely caused by the DBF board mal­function.
It’s most likely caused by the DBF board mal­function.
It’s most likely caused by the DBF board mal­function.
It’s most likely caused by the DBF board mal­function. However, a faulty DBHV board is also known to cause the same problem.
Check for DBF board problem, if not problem found, check the DBHV board.
It’s most likely caused by the DBF board mal­function.
It’s most likely caused by the DBF board mal­function.
It’s most likely caused by the DBF board mal­function.
Check whether the various voltages, espe­cially the HV output, on the DBHV board are normal. Check for DBTR board problem.
continued on next page
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Operating Problems: continued from previous page
Problem
System crashes frequently and gain knobs are not working.
Symptoms System crashes frequently. Sometimes gain poten­tiometers are not working in real time diagnostic mode.
The system crashes fre­quently.
System crashes frequently.
The keyboard is not re­sponsive. Small vibration can cause the system crash to a black screen.
The screen turns dark abruptly accompanied by
Dark Image
abnormal noise. Dark­ened screen appears after restart.
The diagnostic images, as­sociated with the high fre-
quency probes, are dark. Dark Image. Blood flow is poorly resolved.
The C344 and 2P1 images
are dark while in the THI
mode. The blood flow is
poorly resolved even in the
duplex modes with CFM or
DPI.
Real time image has poor resolu­tion.
No real time im­age
In a diagnostic mode the
near field information is
not shown, the far field is
poorly resolved.
No ultrasound images
sometimes.
Unable to increase the B
mode gain. The ultrasound
Dark image No color flow
image, including the near
field, is extremely dark.
Putting the system in CFM
or PW mode seems to bring
no change.
Color artifacts appear for Color artifacts
some probes: L741 and/or
2P1.
Dark bands arti­facts
Dark bands in symmetrical
pattern appear on real time
images.
No echoes No echoes detected.
Dark bands arti­facts while mov­ing probes
Dark bands appear while
moving the probes.
Service Manual
Suggested Solutions
It’s most likely caused by the DBHV board malfunction.
Check for any bad connections between the DBF board and the Motherboard. Check the cables attached to the DBHV board.
Connect an external VGA monitor. If this monitor shows darkened screen, a faulty DBHV board probably caused this problem.
It’s most likely caused by the malfunction of the DBHV board and the DBTR board.
It’s most likely caused by the malfunction of the DBHV board and the DBTR board.
It’s most likely caused by the malfunction of the DBHV board and the DBTR board.
It’s most likely caused by the malfunction of the DBHV board and the DBTR board.
It’s most likely caused by the malfunction of the DBTR board.
It’s most likely caused by the malfunction of the DBTR board. However, a faulty probe board (MPC board) is also known to cause the same problem.
If other probes are working properly on the system, replace this one.
If other probes are working properly on the system, replace this one.
continued on next page
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Operating Problems: continued from previous page
Problem
Symptoms
Only central area of about Shadows on both sides of the real time image
40 degrees is shown in the
ultrasound image; the left
and right sides of the image
are covered by shadows.
White block arti­facts
A white block appears at
the upper left near field.
The SET key is not respon-
sive.
Trackball mal­function
The UPDATA key is not re-
sponsive.
The cursor is not respond-
ing while moving the track-
ball.
Keyboard not re­sponsive
The keyboard is not re-
sponsive after the system
enters a diagnostic mode.
The keyboard is not work­Some keys are not responsive.
ing properly, some keys,
such as PW, CW, M, Depth,
are not responsive.
Freeze key malfunction:
Enter the freeze mode unexpect­edly
the system enters freeze
mode automatically during
the real time scanning, and
sometime the Freeze key is
not responsive. Images are dis-
played on the workstation through S-VIDEO
Nothing displayed on the
workstation’s monitor after
connecting the S-VIDEO. connection
The system shuts down au-
tomatically during normal
Auto shut down
operations (e.g. in the mid-
dle of measuring, inserting
USB disk, and freezing the
real time scanning.)
Service Manual
Suggested Solutions
If other probes are working properly on the system, replace this one. (Probably caused by array element failure.)
Connect another probe to the same port. If this one works properly, the previous probe should be replaced.
Turn off the system. Clean the trackball and restart the system. If problem persists, re­place the trackball.
Check if the keyboard is illuminated. Check the connections to keyboard circuit board. If nothing abnormal found, replace the key­board circuit board. (The problem is proba­bly caused by MCU data loss, reprogram the MCU will solve the problem.)
Check if the keys are stuck or filled with dust. Clean the keyboard, update the soft­ware, remove and reconnect the chassis unit, if the problem persists, replace the keyboard (the chassis unitor the faulty crystal oscillator might be the cause of the problem.)
Check if the Freeze key is stuck, or with too much dirt. If nothing abnormal found, re­place the keyboard and the silicone rubber keypad.
Check whether other output, VGA and VIDEO, are working. Check for any defects on the IO panel.
Refer to 10.5.1 Item D to perform ON-OFF Test several times. Determine if the same op­eration leads to the problem. Also record the frequency that the problem occurs and how to reproduce the problem. Send the written report back to SonoScape. Update the software.
continued on next page
P/N: 4720-0034-01A
10-11
S6 Portable Digital Color Doppler Ultrasound System
Operating Problems: continued from previous page
Problem
Distorted display
Symptoms
The displayed images gets shrunk, scaled or distorted.
The colors displayed on the system monitor change
Monitor problem
abruptly, however, the ex­ternal monitor connected at the same time works properly.
Nothing displayed on the system monitor, however,
No display
the external monitor con­nected at the same time works properly.
The printer is not working.
PC connection problem
Unable to print in color with color video printer
The printer does not re­spond to the Print key on the system.
The S6 system is not de­tected on the PC.
Unable to print in color with color video printer.
The system automatically shuts down while working,
Auto shutdown
or is turned off without showing the shutting down window.
Auto restart
Hit the hard keys will auto restart the system.
The system crashes fre­quently. Especially while switching the probes, a
System crash
blue screen appears; the system is not responding to the keyboard activities, and auto shuts down after about 5 minutes.
The system won’t shut
down after the POWER Unable to shut down
button on the side panel is
pressed. Need to use the
mains power switch to turn
off the system.
Service Manual
Suggested Solutions Test with an external VGA monitor. If no problem is shown, this implies that the moni­tor on the system is not functioning properly.
Replace the monitor on the system.
Check the cables attached to the system mon­itor. If no connection problem is found, re­place the system monitor.
Check printer power cord and data cables. Check the printer ink level. Ensure that the ezNetwork function in DICOM setting inter­face has been enabled.
Check if ezNetwork in DICOM interface has been enabled. Check if the IP address settings are correct (refer to 9.2.3).
Check for S-VIDEO connection problems and if S-VIDEO cable is too long. Replace S-VIDEO cable if necessary.
Check for any bad connections/contacts at the power supply ports. Replace the power supply if necessary.
Check for any bad contacts/connections with the power supply. Replace the power supply if necessary.
Update the software
Update the software
continued on next page
P/N: 4720-0034-01A
10-12
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