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Schiller DEFIGARD HD-7 Service Manual

Defibrillator/monitor
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DEFIGARD HD-7
Defibrillator/monitor
DEFIGARD HD-7 PADDLES (1-130-98XX)
DEFIGARD HD-7 PADS (1-130-99XX)
Service manual
Article no.: 0-48-0364 Ver: b

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Summary of Contents for Schiller DEFIGARD HD-7

  • Page 1 DEFIGARD HD-7 Defibrillator/monitor DEFIGARD HD-7 PADDLES (1-130-98XX) DEFIGARD HD-7 PADS (1-130-99XX) Service manual Article no.: 0-48-0364 Ver: b...
  • Page 3 SCHILLER has an international network supplying customer and sales services and agencies providing advice. Please contact your nearest SCHILLER subsidiary to obtain details of your local representative. A complete list of all the representatives and subsidiaries can be found on our Website: http://www.schiller.ch...

  • Page 5: Table Of Contents

    Service manual Table of contents Safety instructions .......... 3 Responsibilities of the user entity ..........3 Symbols ..................4 Introduction ............ 7 Overview of versions/compatibility .......... 7 Operation ............. 10 Display and controls ..............10 Operation ................... 12 Defibrillation procedure ............13 Maintenance ..........
  • Page 6 1 Safety instructions Service manual 6.12 WSM0256A: ADULT/CHILD PADDLES DETECTOR ....67 Technical data ..........68 See instructions for use ............68 Index ............69 Article no.: 0-48-0364 Ver: b Page 2...

  • Page 7: Safety Instructions

    The supply of this manual does not in any event constitute permission or approval to modify or repair a device.  SCHILLER agrees to supply all the spare parts for a period of ten years.  All rights reserved for the devices, circuits, processes and names appearing in this manual.

  • Page 8: Symbols

    1 Safety instructions Service manual 1.2 Symbols 1.2.1 Symbols used in the manual Hazard levels are classified according to standard ANSI Z535.4. Below are the safety symbols and pictograms used in this technical manual. The terms Danger, Warning and Important featuring in this manual draw attention to risks and indicate the corresponding degree of hazard.

  • Page 9: Symbols Used On The Device

    Safety instructions 1 Service manual Symbols used on the device BF type signal input, protected from defibrillation CF type signal input, protected from defibrillation CE marking number (G-MED) Follow the descriptive manuals provided! Comply with the instructions for use Do not dispose of with household waste Manufacturer information Date of manufacture Device with optional Wi-Fi or GSM...
  • Page 10 1 Safety instructions Service manual 1.2.2 Symbols used on electrode packaging • Unbutton clothing • Open the electrode packaging • Remove the protective film • Placing of electrodes For single use only; not to be reused Do not fold the packaging Storage temperature range Expiry date of defibrillation electrodes Read the instructions before use...

  • Page 11: Introduction

    2 Introduction 2.1 Overview of versions/compatibility 2.1.1 DEFIGARD HD-7 DEFIGARD HD-7 is available in 22 versions, including 11 with paddle electrodes (PADDLES) and 11 without paddle electrodes (PADS). Item nos of versions with paddles They all have the basic functions: Manual defibrillation, AED, Printer, Wi-Fi, 6-lead ECG and paddle electrodes.
  • Page 12 (additional equipment and accessories) + NIBP (additional equipment accessories) capnography (additional equipment accessories). 1-130-9816 DEFIGARD HD-7 PADDLES AED PACE SPO2 NEL NIBP ETCO2 Basic version + pacer function (configurable) + Nellcor SPO2 function (additional equipment and accessories) + NIBP (additional equipment accessories) capnography (additional equipment accessories).
  • Page 13 Introduction 2 Service manual 1-130-9916 DEFIGARD HD-7 PADS AED PACE SPO2 NEL NIBP ETCO2 Basic version + pacer function (configurable) + Nellcor SPO2 function (additional equipment and accessories) + NIBP (additional equipment accessories) capnography (additional equipment accessories). Article no.: 0-48-0364 Ver: b...

  • Page 14: Operation

    3 Operation This section provides a brief description of device operation. For more details, please refer to the operating instructions. 3.1 Display and controls 3.1.1 Front panel of DEFIGARD HD-7 Battery charge and mains on indicators Status or alarm LED...

  • Page 15: Indicator Lamps

    Operation 3 Service manual 3.1.2 Rear of DEFIGARD HD-7 ISA exhaust Sidestream module Hook for fixing on rail Equipotential bonding connector 2.5 AT fuse Battery compartment Mains connector 3.1.3 Indicator lamps The indicators provide the following information: (1) Flashes when the battery is being charged (2) The device is connected to the mains 3.1.4 Paddle electrodes...

  • Page 16: Operation

    3 Operation Service manual 3.2 Operation DEFIGARD HD-7 is a portable external in-hospital defibrillator including a patient monitor. The device may be used for automated or manual defibrillation. It operates on the mains, but has a rechargeable battery. It has a system for monitoring the ECG, oxygen saturation (SpO2), non- invasive blood pressure (NIBP), EtCO2 gas measurement and an external cardiac pacer system (pacer).

  • Page 17: Defibrillation Procedure

    Operation 3 Service manual 3.3 Defibrillation procedure DEFIGARD HD-7 is a defibrillator with pulsed biphasic pulses. The device is factory set to switch automatically from the synchronised defibrillation mode to non-synchronised defibrillation, or the mode can be modified manually using the Sync button.

  • Page 18: Maintenance

    Service manual 4 Maintenance 4.1 Maintenance frequency The DEFIGARD HD-7 is an emergency response device which must be kept in perfect operational condition at all times. The device must therefore undergo regular maintenance. Inspections and part replacements may be carried out as part of a...
  • Page 19 Maintenance 4 Service manual Definition of tests BATTERY_MAIN : main battery level • main battery present • voltage > 10V • percentage > 5% BUTTON_CELL : button cell level • status OK according to the SOOR DEVICE_TEMP : device temperature •...
  • Page 20 4 Maintenance Service manual Daily/weekly 5 weeks Factory Manual LOGROTATE DEFI_CAPACITOR MEMTEST BUTTON_SHOCK BUTTON_CHARGE BUTTON_SHOCK_PADDLES BUTTON_CHARGE_PADDLES BUTTON_ PADDLES_DOCKER BUTTON_ PADDLES_CHILD Article no.: 0-48-0364 Ver: b Page 16...

  • Page 21: Cleaning And Disinfecting

    4.4 Troubleshooting This section describes the procedure for troubleshooting in the event of any malfunctioning of DEFIGARD HD-7. If you have trouble locating or correcting the problem, contact the after-sales service department of SCHILLER. When an error message is displayed, please remember to note the...
  • Page 22 4 Maintenance Service manual Error - observation Possible cause Solution  Check the fuses 1. Problem with fuses  Activate the button cell. 2. Button cell on CPU not activated The device does not start 3. SOOR error  Reset the SOOR 4.

  • Page 23: Replacement Of Parts

    Replacement of parts Service manual 5 Replacement of parts 5.1 Device disassembly 5.1.1 Disconnect the mains cable and remove the battery. To remove the battery: - Unscrew the 6 screws (Torx T10) from the battery cover at the rear of the device.
  • Page 24 5 Replacement of parts Service manual - Disconnect the tube connected to the EtCO2 module. - The SpO2, ECG and EtCO2 functions can be found on the left-hand side. Depending on the device version, these functions are installed or absent. 5.1.3 Remove the right-hand side Screw cover (x6) - Take off the 6 screw covers (e.g.
  • Page 25 Replacement of parts Service manual - disconnect the NIBP cable - The NIBP function can be found on the right-hand side. Depending on the device version, this function is installed or absent. Separate the front from the rear of the device - Unscrew the 7 M3x10 screws (Torx T10).
  • Page 26 5 Replacement of parts Service manual - separate the front of the device from the rear. - if the device has paddle electrodes, disconnect the connector connected to the paddle detection button. 5.1.4 Disconnect the high-voltage capacitor cables This procedure relates to the high-voltage capacitor (64 µF - 2.5 kV), which can be charged to a fatal voltage.
  • Page 27 Replacement of parts Service manual View of front of device Article no.: 0-48-0364 Ver: b Page 23...
  • Page 28 5 Replacement of parts Service manual View of rear of device, ELP version View of rear of device, EC version Article no.: 0-48-0364 Ver: b Page 24...
  • Page 29 Replacement of parts Service manual View of right-hand side Representation of side in the most complete version; also available without NIBP. View of left-hand sides Representation of sides in the most complete version, also available without EtCO2 or SPO2 or both. - Left-hand side with EtCO2 and Masimo SPO2 - Left-hand side with EtCO2 and Nellcor SPO2 Article no.: 0-48-0364 Ver: b...

  • Page 30: Replacing The High-Voltage Capacitor

    This operation relates to an essential component of the high- voltage part. It may only be performed by specially authorised personnel who have been trained in repairing DEFIGARD HD-7 devices. A test of the energy discharged is required.

  • Page 31: Replacement Of The Button Cell

    Replacement of parts Service manual 5.3 Replacement of the button cell The button cell is soldered to the CPU board located in the front part of the device; you will need a soldering iron to replace it. 5.3.1 Replacing the CPU board The CPU board is located in the front part of the device and is accessible when the two parts, rear and front, have been separated.

  • Page 32: Assembling The Device

    5 Replacement of parts Service manual 5.4 Assembling the device To assemble the device, carry out the procedure in reverse order, paying particular attention to the comments below. Do not forget to connect the various cables. During reassembly, check that cables are placed correctly, and will be safe from flattening when the housing is closed.

  • Page 33: Replacement Of Parts

    After each part replacement, the device must undergo a full inspection based on the recommendations of Schiller. To order a new part from SCHILLER, please state the type of device and serial number provided underneath the device. Then specify the part number of the part to be replaced.

  • Page 34: Exploded Views Of The Device

    5 Replacement of parts Service manual 5.6 Exploded views of the device Article no.: 0-48-0364 Ver: b Page 30...
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  • Page 46: Technical Explanations

    Service manual 6 Technical explanations 6.1 Overall description 6.1.1 Overall description of the devices DEFIGARD HD-7 is divided into four main subassemblies from the technical standpoint: • The front, which includes the main CPU + Defibrillator board bearing the different functions of digital processing, analogue...

  • Page 47: Power Sources

    Technical explanations 6 Service manual • A USB connector for communicating with different peripheral devices. • A USB connector dedicated to CPR. • An RFID circuit to identify the type of defibrillator electrodes used • A slot for an SD card to record the data relating to a procedure (sound, ECG, etc.) or update the software.
  • Page 48 6 Technical explanations Service manual 1~20 1~20 1~20 1~20 FASTON 6.3x0.8 RECEP MASIMO NELLCOR MASIMO MOLEX MICROFIT 3.0 MOLEX PASS-THROUGH MICROFIT 3.0 MOLEX MICROFIT 3.0 SAMTEC FTSH GPIO_DEBUG_0 GPIO_DEBUG_1 UART_DEBUG_TX UART_DEBUG_RX 1~30 3-10-0262 1~50 1~50 Article no.: 0-48-0364 Ver: b Page 44...

  • Page 49: Wsm0240A: Cpu + Defibrillator Board

    Technical explanations 6 Service manual 6.2 WSM0240A: CPU + DEFIBRILLATOR BOARD 6.2.1 CPU Unit 6.2.1.1 General The CPU +Defibrillator board manages all the device modules and functions through its host controller (CPU i.MX28). Some functions are directly integrated into the board: •...
  • Page 50 6 Technical explanations Service manual 6.2.1.2 Connectors Wi-Fi/BT NIBP Paddles HV electrodes front antenna presence HV capacitor connector (JP18) detector Printer debug connector Loudspeaker SOOR debug Power supply SD card Battery connector Print Buzzer (JP23) (JP12) (JP14) Article no.: 0-48-0364 Ver: b Page 46...
  • Page 51 Technical explanations 6 Service manual CPR USB WSM0241 user interface board LD13 LD21 LD17 LD14 LD18 WSM0241 user interface board Article no.: 0-48-0364 Ver: b Page 47...
  • Page 52 6 Technical explanations Service manual 6.2.1.3 Main functions Wi-Fi/BT RTC cell Defibrillator module SOOR (BT1) module (U37) U1001 LD11 LD12 F2 = 10 AT Audio Printer UART F1 = 10 AT Power supply codec controller i.MX28 expander (U22) Article no.: 0-48-0364 Ver: b Page 48...
  • Page 53 Technical explanations 6 Service manual 6.2.1.4 Power supply management The device may be powered by two sources of voltage: • 230 VAC/115 VAC mains power converted into 15 VDC using an internal switched-mode power supply (via JP23). • Power supply with the rechargeable 11 VDC 6.4Ah Li-on battery (via JP14).
  • Page 54 6 Technical explanations Service manual 3V3_Bat 3V3_Bat is generated by a linear regulator TPS70933 (U54) and is present whenever the battery or external power supply voltage appears. U_BAT_CR2032 U_BAT_CR2032 is the voltage of the CR2032 button cell (BT1) present on the CPU + defibrillator board. UC_PWR UC_PWR continuously powers the SOOR and the RTC module (U35), including when the device is switched off.
  • Page 55 Technical explanations 6 Service manual • Monitoring the board power supply voltages • Managing the battery charge and its Coulomb meter • Managing the LEDs When the device is switched off, the SOOR is in standby mode and its low consumption (<5 µA) does not discharge the battery in that state, while retaining the functions required for keeping the date and for waking up.
  • Page 56 UART communication with the microcontroller STM32 of the ECG module (four-lead ECG, respiration etc.) • UART communication with the Masimo MX-5 SPO2 module or the Nellcor Nell1 SpO2 module. • UART communication with the NIBP module of Schiller AG. NIBP EXPANDER USB HUB contrast UART...
  • Page 57 Technical explanations 6 Service manual Analysis and a large part of the signal processing function are also implemented in the host. The host controls the power supply of the different modules with which it communicates in order to reduce consumption when they are not active.
  • Page 58 (max. power: 2.5W) directly connected to the loudspeaker by a JST connector B2B-PH-SM4-TB (JP6). 6.2.1.13 NIBP module This measurement is incorporated into DEFIGARD HD-7 with an OEM NIBP module from SCHILLER AG. This module is a device driver that allows access to the NIBP hardware.
  • Page 59 Technical explanations 6 Service manual 6.2.1.14 Wi-Fi/Bluetooth/Bluetooth/Bluetooth LE The Wilink WL1831MOD module (U37) is integrated directly on the CPU + Defibrillator board. It requires an external antenna connected via the Hirose U.FL connector (JP18). It communicates with the host via an SDIO interface for the Wi-Fi part, which generates a protected Wi-Fi interface (WEP, WPA, WPA2- Enterprise), and via a UART for the Bluetooth part.
  • Page 60 6 Technical explanations Service manual 6.2.2.2 Defibrillation stages Self-test: After the device has been switched on, the defibrillator conducts a self- test sequence to check that the module circuits are operating correctly. Internal discharge: During the internal discharge, the high-voltage capacitor is discharged into a safety discharge circuit;...
  • Page 61 Technical explanations 6 Service manual defibrillation shock to the patient with a Biphasic Multipulse Biowave waveform. Self-test Internal discharge intDwxcvwwxcvwxcvw Standby Charge Pre-charge Ready Shock Article no.: 0-48-0364 Ver: b Page 57...
  • Page 62 6 Technical explanations Service manual 6.2.2.3 Main components and connectors Floating part Non-floating part Floating part DEFI HV electrodes Patient IGBT module HV transformer connector insulation relay Defibrillator controller ECG amplifier HV capacitor connectors Connectors WSM0215A Stimulator board Article no.: 0-48-0364 Ver: b Page 58...

  • Page 63: Wsm0215A: Pacer Board

    Technical explanations 6 Service manual 6.3 WSM0215A: PACER BOARD A board with a pacer function management module may be put in place on the defibrillator circuit. When the device sends pacing pulses in pacer mode, some components of the high-voltage circuit of the defibrillator are used, namely the high-voltage capacitor, the high-voltage transformer and the IGBT module.

  • Page 64: Wsm0241A: Peripheral Board

    6 Technical explanations Service manual 6.4 WSM0241A: PERIPHERAL BOARD 6.4.1 General The Peripheral Board acts as the interface between the CPU + Defibrillator board and the power supply boards of the optional EtCO2 and SpO2 modules. It also contains the ECG module located on a ground plane that is insulated from the device earth.

  • Page 65: Ecg Module

    Technical explanations 6 Service manual 6.4.3 Description of power supplies 3V3 3V3 voltage is supplied directly by the CPU + Defibrillator board WSM0240A 5V 5V voltage is supplied directly by the CPU + Defibrillator board WSM0240A 3V3_ECG 3V3_ECG is a floating voltage generated by a transformer driver LT3999 (U2) from the 3V3 voltage, then regulated by a linear regulator LP5912 (U1).
  • Page 66 6 Technical explanations Service manual 6.4.4.3 Synchronisation mode (cardioversion) This operating mode synchronises defibrillation with the patient ECG measurement. In this mode, the defibrillation shock is delivered only when the QRS segment is detected by the microcontroller of the ECG module.

  • Page 67: Wsm0245A: Button Pcb

    Technical explanations 6 Service manual 6.4.6 Optional SpO2 module An SpO2 module can optionally be added to the device, with a choice of two modules, either the Masimo MX-5 module or the Nellcore Nell1 module. These two modules allow the measurement of two physiological parameters: pulse oximetry and pulse rate.
  • Page 68 6 Technical explanations Service manual 6.5.2 Main functions and connectors Rotating button connector RFID module Connector WSM0240A LVDS + screen back Touch panel CPU + DEFI lighting connector controller BOARD (JP4) connector (JP5) Screen power supply Connector Connector WSM0252A WSM0253A HV RFID BOARD CONNECTOR ADAPTER BOARD...

  • Page 69: Keypad Interface

    Technical explanations 6 Service manual 6.5.4 RFID module The function is carried out by a 13.56MHZ RF transmitter from Texas Instruments – TRF7970A (U3). An HF emission - reception circuit is implemented on the PCB and connected to the RFID antenna located on the RFID board WSM0252A, via the connector JP3.

  • Page 70: Wsm0246A: Spo2 Board

    6 Technical explanations Service manual 6.6 WSM0246A: SPO2 BOARD This board acts as the interface between the Peripheral board via the connector JP2 and the Masimo MX-5 SpO2 module (via the connector JP1) or the Nellcor Nell1 SpO2 module (via the connector JP3). It provides galvanic insulation between the ground plane of the device and that of the module, and UART transmission between the module and the host controller.

  • Page 71: Wsm0253A: Connector Hv Adapter

    Technical explanations 6 Service manual 6.11 WSM0253A: CONNECTOR HV ADAPTER This board is used for connecting the User Interface board (JP2) to the high-voltage connector (JP1). 6.12 WSM0256A: ADULT/CHILD PADDLES DETECTOR This board contains a Hall-effect sensor that makes it possible to detect the operating mode of paddles (Adult or Child) and a connector (JP1) for connecting it to the PADDLES_APEX board.

  • Page 72: Technical Data

    7 Technical data Service manual Technical data 7.1 See instructions for use Article no.: 0-48-0364 Ver: b Page 68...

  • Page 73: Index

    Index 8 Service manual Index Battery Periodic maintenance ............. 14 Characteristics ..............49 Characteristics ..............43 Reset SOOR ................18, 53 Cleaning products to be avoided ..........17 TESTS Fuses Self-tests ................14 CPU ................48, 50 Maintenance Maintenance frequency ............ 14 Article no.: 0-48-0364 Ver: b Page 69...

This manual is also suitable for:

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