Caresono PadScan HD 5 Service Manual
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Caresono PadScan HD 5 Service Manual

Bladder scanner
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Summary of Contents for Caresono PadScan HD 5

  • Page 1 PadScan HD 5 Bladder Scanner Service Manual...
  • Page 2 Caresono Technology Co., Ltd. All rights reserved. Product Information: Product Name：Bladder Scanner Model：HD 5 Issued Date of this manual：2012-05 Version：1.1...
  • Page 3 Caresono, nor the rights of others. Caresono does not assume any liability arising out of any infringements of patents or other rights of third parties.
  • Page 4 Responsibility on the Manufacturer Party Contents of this manual are subject to changes without prior notice. All information contained in this manual is believed to be correct. Caresono shall not be liable for errors contained herein nor for incidental or consequential damages in connection with the furnishing, performance, or use of this manual.
  • Page 5 Caresono or repairs by people other than Caresono authorized personnel.
  • Page 6 Customer Service Authorization (Caresono) number. The Caresono number must appear on the outside of the shipping container. Returned shipments will not be accepted if the Caresono number is not clearly visible. Please provide the model number, serial number, and a brief description of the reason for return.
  • Page 7 Safety Precautions 1. Meaning of Signal Words Please read operation manual and this service manual before maintenance. In this operation manual, the signal word “warning” is used regarding safety and other important instructions. The signal words and their meanings are defined as follows. Please understand their meanings clearly before reading this manual.

  • Page 8: Table Of Contents

    Contents CHAPTER1 GENERAL DESCRIPTION ..............1 1.1 INTRODUCTION ................... 1 1.2 PREPARATION FOR REPAIR ..............3 1.3 SCHEMATIC DIAGRAM ................4 CHAPTER2 STRUCTURE OF THE COMPLETE MACHINE & DISASSEMBLY.5 2.1 STRUCTURE OF THE COMPLETE MACHINE ......... 5 2.1.1 The appearance view of the main unit ..........5 2.1.2The exploded drawing of the complete machine……………………...6 2.1.3 The base assembly ................
  • Page 9 3.1.12 Probe ....................21 3.1.13 Printer ....................21 3.1.14 Base ....................21 3.1.15 The description of the hardware ............22 CHAPTER4 TROUBLESHOOTING ................. 28 4.1 Can not power on or power off…………………..…………………………28 4.2 No image display…………………………………………………………..29 4.3 No Response from the touch screen……………………………………….. 30 4.4 Can not measure the volume….

  • Page 10: Chapter1 General Description

    Chapter1 General Description 1.1 Introduction The Pad Scan HD 5 is a device that applies ultrasonic imaging and measure theory and provides non-invasive volume measurement of the bladder. Pad scan adopt 3D Mechanical sector scanning probe to proceed with ultrasonic scan of the bladder, and translate the scanned information of the bladder into many 2D type B ultrasonic images, acquired many cross-sectional area of the bladder after complicated image processing and projected to be 3D image, finally figured out the...
  • Page 11 2. Rear view Figure 1-2 Rear view 3. Right view power interface USB interface probe interface Figure 1-3 right view...

  • Page 12: Preparation For Repair

    4. Bottom view Charging interface air inlet Figure 1-4 bottom view 1.2 Preparation for Repair The needed tools and measurement devices are shown as followed: Table 1-1 Tools and Devices for Repair Tool Model Manufacturer Spec./Standard Screwdriver (various sizes and Unspecified types) Unspecified...

  • Page 13: Schematic Diagram

    disinfection 1.3Schematic Diagram Figure 1-5 Schematic Diagrams...

  • Page 14: Structure Of The Complete Machine

    Chapter2 Structure of the Complete Machine & Disassembly 2.1 Structure of the Complete Machine 2.1.1 The appearance view of the main unit Figure 2-1 the appearance view of the main unit 2.1.2 The exploded drawing of the complete machine 2.1.2.1 The exploded drawing of the complete machine...

  • Page 15: 2The Exploded Drawing Of The Complete Machine

    Figure 2-2 the exploded drawing of the complete machine 2.1.2.2 Parts of each assembly 1. Front cover 2. Touch screen 3. LCD SCREEN 4. LCD screen fixing board 5. Print driver board 6. touch screen driver board 7. the main board 8.

  • Page 16: The Base Assembly

    2.1.3 The base assembly 2.1.3.1 Assembly and outline drawing of the base Figure 2-3 assembly drawing of base（1） 2.2 Disassembly 2.2.1 Disassembly of the main unit 1. Power on the mainframe...

  • Page 17: Disassembly Of The Main Board And The Printer

    Figure 2-4 the disassembling drawing of the mainframe A. Remove the six M3*15 fixing screws of the rear cover B. Apart the front cover and rear cover, remove the associated lines，as figure 2-5 Figure 2-5 the disassembling drawing of the mainframe 2.2.2.

  • Page 18: 3Disassembly Of The Front Coever Part

    2．Four m3x8 self-tapping screws 3．Two m3x8 self-tapping screws，two m2.5x8 self-tapping screws，two m3x8 mechanical screws A. Before disassembling the main board, first remove the nuts outside the probe connector, and then remove six screws as shown in the figure. B. Remove the four m3x8 fixing screws, and then take out the printer and the printer driver board.

  • Page 19: 4Disassembly Of The Base

    2.2.4 Disassembly of the base Figure 2-8 the bottom of the base A.Remove the four cushions, and then remove four m3x28 locking screws 2.2.5 Disassembly of the power board Figure 2- Disassembly drawing of the power board...
  • Page 20 A. take out the power supply board by uplifting the PCB board from the side of power input connector. B. then weld the line of power supply board...

  • Page 21: Chapter3 Description Of The Principle

    Chapter3 Description of the Principle 3.1 The Principle of the Hardware 3.1.1 The connection diagram between the main board and boards Figure 3-1 HD 5 the connection diagram of main frame includes ： 1.main board(HD-DGV-1.4) ， 2.USB This device interface board(HD-PG-JK1.0)、3.

  • Page 22: The Main Board（Hd-Pg V-1.4

    the main board (HD-DGV-1.4) of the mainframe. USB interface, uploading computer interface circuit, and external power spare interface are installed on the USB interface board (HD-PG-JK1.0). The printer and fan are fixed on the rear cover. Display screen and touch screen are fixed on the rear cover. Power scanning socket board （HD-DG-FJ-03) is fixed in the base(in the power adapter).
  • Page 23 The control processor accepts different key commands of the screen, issuing different series of commands and signal, which coordinate with the whole unit based on different key requests. The specific implementation: adopting FPGA and its kernel, programming control realizes this function. Issuing directive controls the whole unit working orderly(Producing corresponding control signal).
  • Page 24 Average, enhancement, gamma correction, digital zoom, logarithmic compression, smoothing interpolation and band pass of images, harmonic imaging and other series of are all finished in DSC. The final image displayed on the screen. The deposited information will be stored into memory by the imaging processor. The information will be sent to the screen when the information is read out from the memory.
  • Page 25 implantation: adopting FPGA and its kernel, programming control realizes this function. 3.1.2.1.5 Transmission circuit According to the command of the control processor, the transmission circuit generates transition pulse with natural frequency of the probe to the probe chip. 3.1.2.1.6 Receiving amplification circuit According to the command of the control processor, the receiving amplification circuit receives the signal of the probe and amplifies the signal.
  • Page 26 Table 3-1 the specifications for the power board outputs Load Voltage Rated Voltage Rated Adjust item Adjustment ment Voltage Precision Load Rate Rate 80MA Analog circuit A＋70V (Transmission) D+14V System powers supply Digital analog circuit －5V 0.2A Analog circuit ± 5% <2% <5% +3.3V...

  • Page 27: U Disk Interface Board (Hd-Pg-Jk1.0)

    Figure3-2 Power principle diagram 3.1.3 U disk interface board (HD-PG-JK1.0) U disk interface board：Contains the USB signal conversion circuit, and the circuit will convert the signal of the mainframe into digital signal of USB2.0 interface protocol. It also includes the USB2.0 interface. U disk interface board is the signal conversion board connected to the mainframe computer, and the board is connected through the socket JP1of the board and the socket JP1 of the motherboard.

  • Page 28: Display Screen Signal Switching Driver Board（Hd-Led Power V1.2

    information through switching the XS3 interface of USB interface board to the external computer workstation. Note: XS1 interface of interface board is the input interface of spare mainframe power Interface XS5 of the interface board connects with the fan. (the supplying power of the fan is +5V).

  • Page 29: Battery Interface Board（Hd-Dg-Fj-04A

    power DC+14V outputted by the base to the socket XS1 of this board. Then through the socket XS2 of this board the power is outputted the socket JP3 of the main board to supply power to the main frame. 3.1.7 Battery interface board （ HD-DG-FJ-04A ） Both battery power supplying the mainframe and mainframe charging the battery are through connecting this board.

  • Page 30: Display Screen

    3.1.10 display screen According to the command of the control processor，the screen displays some of the following information pictures: ultrasound scanning image, play backing original information of database, selecting menu information. 3.1.11 touch screen The touch screen accepts operator’s key request, and send the request signal to the control processor and give instructions according to control processor’s request.

  • Page 31: The Description Of The Hardware

    3.1.15 Description of the principle of the hardware The mainframe adopts swinging (with rotation) three-dimensional ultrasound probes which is a three-phase stepper motor driving directly. Probe scanning control: there are two stepper motors in the probe: down located stepper motor do rotate motion of 1800 along the longitudinal axis, while up located stepper motor do oscillating motion of 1200.
  • Page 32 Up located stepper motor positive rotation wave diagram as following: Up located stepper motor negative rotation wave diagram as following: The specific implementation: adopting FPGA and its kernel, programming control realizes this function.Ultrasonic signal transmitting and receiving control: the transmission of the probe is based on the natural frequency of the probe. The control processor outputs transmission pulse corresponding with the pulse width to the...
  • Page 33 transmission circuit. The transmission circuit amplifies the pulse and sends it to the probe chip. The probe chip is actually an energy conversion device. Transmission is the energy conversion that changes the transmission pulse (electrical energy) to mechanical energy and then into ultrasonic energy. Receiving is the conversion that changes ultrasonic energy into mechanical energy and then into electrical energy.
  • Page 34 3.2 principle of the software 3.2.1 Functions and features of the operation system is a priority scheduling-based preemptive real-time kernel, and basic system services such as semaphores, mailboxes, message queues, memory management and interrupt management are provided in this kernel. possesses the following features: ：...
  • Page 35 The main interface Figure 3-8 the structure of the system software 3.2.2.2 Description of object functions 1. Case management Case management is the management of patients’ information, scanned images and volume value. The management content includes, patients' gender, age, ID, name, volume value, the scanned image, the name of the operator and operating time.
  • Page 36 The power management includes automatic shutdown and automatic screen saver time settings. Operation mode includes 6 images and 12 images scanning mode. Scanning mode includes easy mode and expert mode. Printing option is to select the printing images sequence. Projection selection is to guide the user to find the bladder’s right position.

  • Page 37: Chapter4 Troubleshooting

    Chapter4 Troubleshooting 4.1 can not power on or power off Check the system according to the following chart: Can not power on or power Board HD-DC14’s fault Replace board HD-DC14 Replace board Board HD-PG V-1.4’s fault HD-PGV14 Replace board HD-PG-FJ-01A...

  • Page 38: No Image Display

    4.2 No image display Check the system according to the following chart:： No display Replace board Board HD-PGV-1.4’s fault HD-PGV-1.4 Replace board Board HD-LED POWERV1.2’s fault HD-LED POWERV1.2 Replace the LCD screen...

  • Page 39: No Response From The Touch Screen

    4.3 No Response from the touch screen Check the system according to the following chart： No response from the touch screen Replace board Board SLT-TP05-RS232B’s fault SLT-TP05-R S232B Replace the touch The touch screen’s fault sreeen Replace board HD-PG V-1.4 4.4 can not measure the volume Check the system according to the following chart: Can not measure the volume normally...

  • Page 40: Printer Can Not Print

    4.5 printer can not print Check the system according to the following chart: Can not print or prints abnormally Replace Printer’s fault printer Replace board HD-PG V-1.4 4.6 U disk can not work or data can not be uploaded Check the system according to the following chart:： U disk can not work or data can not be uploaded 常...
  • Page 41 Other Faults list FAULT Cause Remark ◆check the +5V voltage  +5V power The fan doesn’t ◆replace the fan abnormal work.  The fan’s fault  Battery’s fault  Replace the battery battery can not  HD-PG V1.4’s fault  Replace the HD-PG V1.4 be charged or uncharged ...

  • Page 42: Chapter5 Maintenance And Cleaning

    Chapter5 Maintenance and Cleaning 5.1 Maintenance to Be Performed By User 5.1.1 Cleaning the system Warning:：Before cleaning the system, be sure to turn off the power and disconnect the power cable from the outlet. Cleaning the machine when the power is “On”...
  • Page 43 Cleaning and Maintenance Measures： Check category Check item Interior of the system Cleaning Peripheral devices Protective conductor resistance Electric safety Ground line leakage current Enclosure leakage current Patient leakage current I Patient leakage current II Patient auxiliary currency Mechanical The casters The caster mounting sections safety The monitor mounting mechanism...

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