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Chapter 4: Diagrams

Advisor

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Service Manual

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Chapter 4: Diagrams

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Summary of Contents for Advisor

Page 1: ...Advisor Vital Signs Monitor Service Manual English Catalog Number 1887R Version 2 June 2008 2008 Smiths Medical family of companies All rights reserved ...

Page 2: ......

Page 3: ...d Notes 1 8 Oximetry Warnings Cautions and Notes 1 8 Non invasive Blood Pressure Warnings Cautions and Notes 1 10 Invasive Blood Pressure Warnings Cautions and Notes 1 11 Temperature Warnings Cautions and Notes 1 11 Capnograph Warnings Cautions and Notes 1 12 Chapter 2 Routine Maintenance 2 1 General Cleaning 2 1 Performance and Safety Checks 2 1 System Cables and Cords Inspection 2 1 Non invasive...

Page 4: ...Interface Optional 3 5 Main Board Communications Port Optional and Smart Media Interface 3 6 Main Board Front Panel Interface 3 6 Main Board Critical Failure Alarm System 3 6 Main Board Digital Signal Processor Isolated Side 3 7 Main Board Patient Signal Acquisition Isolated Side 3 7 Main Board ECG Isolated Side 3 7 Main Daughter Board Impedance Respiration Option Isolated Side 3 8 Main Daughter B...

Page 5: ...Schematics App 1 The serial autocorrelation technology in the monitor is covered by U S Patent No 5 558 096 BCI Advisor and the Smiths design mark are trademarks of the Smiths Medical family of companies The symbol indicates the trademark is registered in the U S Patent and Trademark Office and certain other countries All other names and marks mentioned are the trade names trademarks or service ma...

Page 6: ...Table of Contents iv Advisor Service Manual This page is intentionally left blank ...

Page 7: ...t Rev 1 October 2006 Added new Patient Safety checks to Chapter 2 Ground Resistance Check Enclosure Leakage Current Patient Leakage Current and Dielectric Withstand Hi pot Test Updated HILO Calibration section in chapter 2 Updated Line Art Updated patent and trademark statements Moved Warranty and Service Information from Chapter one to new section Updated Proprietary Notice in Warranty Section Up...

Page 8: ...Revision History vi Advisor Service Manual This page is intentionally left blank ...

Page 9: ... OF LAW OR OTHERWISE INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Seller disclaims responsibility of the suitability of the Product for any particular medical treatment or for any medical complications resulting from the use of the Product This disclaimer is dictated by the many elements which are beyond Seller s control such as diagnos...

Page 10: ...l packing material including foam inserts If you need to ship the device use only the original packaging material including inserts Box and inserts should be in original condition If original shipping material in good condition is not available it should be purchased from Smiths Medical PM Inc Damages occurred in transit in other than original shipping containers are the responsibility of the ship...

Page 11: ...s of these Instructions For Use including Warnings and Cautions before using the Advisor Vital Signs Monitor Failure to properly follow warnings cautions and instructions could result in death or serious injury to the patient Replacing Components When replacing components always use parts with the same or better tolerance factors For example do not replace a 1 tolerance resistor with a 5 tolerance...

Page 12: ...f type CF equipment g Attention see instructions for use 1 Dangerous voltage 7 Refer servicing to qualified service personnel D Output 0 Loudspeaker w Fuse y Date of Manufacture Catalog Number Serial Number IPX1 Drip Proof 1 Non AP Device t Graphical Recorder 8 Use by x On Off Q IBP Zero All h NIBP Start Stop F Print Start Stop B Alarm Silence X AC Power LED M Battery Charge LED International Symb...

Page 13: ... EU national or local regulations concerning waste disposal must take precedence over the above advice Keyword Definition Warning Tells you about something that could hurt the patient or hurt the operator caution Tells you about something that could damage the monitor note Tells you other important information General Warnings Cautions and Notes WARNING Do not use this device in the presence of fl...

Page 14: ...by an alternative method and then check the monitor for proper functioning WARNING This monitor will not operate effectively on patients who are experiencing convulsions or tremors WARNING Do not autoclave ethylene oxide sterilize or immerse the monitor and other accessories in liquid Evidence that liquid has been allowed to enter the monitor voids the warranty WARNING Any monitor that has been dr...

Page 15: ...tions of equipment must be in compliance with IEC 60601 1 1 systems requirements Anyone connecting additional equipment to the signal input port or signal output port configures a medical system and therefore is responsible that the system complies with the requirements of the system standard IEC 60601 1 1 WARNING Disconnect the AC power supply from the outlet before disconnecting it from the moni...

Page 16: ...th local or federal guidelines Smiths Medical PM Inc cannot dispose of this battery CAUTION Pressing front panel keys with sharp or pointed instruments may permanently damage the keypad Press the front panel keys only with your finger CAUTION Blocking the ventilation holes on the monitor s rear panel can prevent air circulation inside the monitor possibly resulting in damage to the monitor Leave a...

Page 17: ...overshoots WARNING Reliable monitoring of pacemaker patients can only occur with PACE DETECT on WARNING The pacemaker pulse marker shape and size is not to be diagnostically interpreted WARNING Keep pacemaker patients under close observation Rate detection in the software may continue to count the pacemaker rate during cardiac arrest and or arrhythmia conditions Therefore do not rely solely on rat...

Page 18: ... attaching sensors with Microfoam tape do not stretch the tape or attach the tape too tightly Tape applied too tightly may cause inaccurate readings and blisters on the patient s skin lack of skin respiration not heat causes the blisters WARNING Using a damaged sensor may cause inaccurate readings possibly resulting in patient injury or death Inspect each sensor If a sensor appears damaged do not ...

Page 19: ...a blood pressure cuff or extremes in systemic vascular resistance may cause an inability to determine accurate SpO2 and pulse rate readings WARNING Remove fingernail polish or false fingernails before applying SpO2 sensors Fingernail polish or false fingernails may cause inaccurate SpO2 readings WARNING Failure to carefully route the cable from the sensor to the monitor may allow the patient to be...

Page 20: ... unit remains in calibration perform a calibration verification on a yearly basis CAUTION Extremity and cuff motion should be minimized during blood pressure determinations CAUTION Proper blood pressure cuff size and placement are essential to the accuracy of the blood pressure determination CAUTION Any blood pressure recording can be affected by the position of the patient his or her physiologic ...

Page 21: ...IBP1 and IBP2 waveforms must be visible and adjacent in order to be overlaid NOTE When IBP1 and IBP2 are overlaid the scale settings for IBP1 and IBP2 are changed to the higher of the two scales NOTE Dual channel simulators may affect verification of IBP operation Use only single channel simulators NOTE All specified transducers were tested for immunity to radiated radio frequency electromagnetic ...

Page 22: ...not covered by the factory warranty Disconnect the ETCO2 sample line from the patient circuit or power off during medication delivery NOTE All user and patient accessible materials are non toxic NOTE During the auto zero calibration autocal sampling the CO2 waveform and digits will disappear for 1 5 seconds After this breath detection restarts This should happen only during extreme temperature cha...

Page 23: ...ter the monitor voids the warranty Performance and Safety Checks Recommended Maintenance Frequency Instructions General Cleaning As needed Inspect the system cables and cords Before use See page 2 1 Safety checks in accordance with IEC 60601 1 Annually See page 2 7 Non invasive Blood Pressure calibaration verification Annually See page 2 2 ECG calibaration verification Annually See page 2 3 CO2 HI...

Page 24: ...s password protected To enter your password Turn the rotary knob to access the password box and push the knob to select the first character field a Turn the rotary knob to highlight the desired character and push the knob to select The factory b installed password is ADVISOR Push the knob to select the next character field c Turn the rotary knob to highlight the desired character and push the knob...

Page 25: ... rotary knob on the monitor to move the cursor Highlight the ECG parameter box name and a push the knob to access the ECG parameter menu Highlight RATE SRC and push the knob to select b Choose ECG and push the knob to select c Highlight MAIN MENU and push the knob to select d Select 3 LEAD ECG processing 4 On the main menu at the bottom of the display highlight SETUP and push the knob to select a ...

Page 26: ...simulator to momentarily disable the oximetry reading If the ECG parameter is functioning properly an ECG waveform will be displayed and a measured value for 10 heart rate of 79 81 beats per minute bpm will appear in the ECG parameter box You can change the primary ECG lead to I II or III to verify that each waveform is accurately displayed On the ECG waveform menu turn the rotary knob to highligh...

Page 27: ... in less 7 than 30 seconds When TURN GAS OFF is displayed in the CO 8 2 parameter box close the flow control valve of the calibration gas canister When the calibration procedure is finished CAL DONE will be displayed in the CO 9 2 parameter box Change the units of measurement for CO 10 2 to percent concentration as follows Turn the rotary knob on the monitor to move the cursor On the main menu at ...

Page 28: ...to select the next character field c Turn the rotary knob to highlight the desired character and push the knob to select Repeat steps b d and c until each character in the password is selected Highlight ENTER and push the knob to select e If you correctly selected the password the service menu will appear on the lower left corner of the display If you did not select the correct password Invalid Pa...

Page 29: ... can plug into the female oximeter patient connector on the monitor Contact the service department for additional information General Requirements Test Personnel must wear a grounded wrist strap or equivalent while handling any circuit boards Anti static procedures and work areas are to be used throughout Test equipment must be calibrated and maintained to NIST traceable standards If you have ques...

Page 30: ...the instrument manufacturer CAUTION Please note there is considerable hazard in performing this test Use precautionary measures to avoid contact with the line voltage In addition any time that the ground connection has been opened do not touch the chassis or patient cable during the test Perform all of the following tests with the correct shorting plug inserted into the patient connections Connect...

Page 31: ...he unit s power cord and the black lead to the unit s enclosure shaft of the rotary encoder remove knob for test Verify that no breakdown occurs at 1500 VAC for a period not more than 1 minute 6 seconds or less than 1 3 minute Move the black lead to the shorting plug on the ECG connector 4 Verify that no breakdown occurs at 4000 VAC for a period not more than 3 seconds or less than 2 seconds 5 Rep...

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Page 33: ...d and the LCD Backlight Inverter Board and the Main Board All non standard parameters and system options are added to the Advisor Vitals Signs Monitor by way of additional circuit board assemblies The optional boards are IBP Temperature Board Impedance Respiration Board Printer Adapter Board Serial Interface Board Battery Charger Board and CO2 Module The Main Board is the largest circuit board and...

Page 34: ...rs both the presence of AC power via voltage detector U7 and the charge status or presence of the rechargeable battery connected at J4 It then determines which source will be used to power the Main Board When AC mains is present the battery charger micro controller powers the Main Board from the output of the universal AC to DC power supply via mosfet Q6 and disconnects the battery via Q7 It also ...

Page 35: ...icroprocessor has direct control of switching power to the LCD Backlight Inverter Board by way of mosfets Q6 Q7 Printer Adapter Board Printer Option When the optional graphics printer is installed a small Printer Adapter Board connects directly to the printer and is secured to the same internal mounting bracket as the printer The Printer Adapter Board also provides a ribbon cable connector for con...

Page 36: ... backup BAT1 and provides a voltage comparator that is used to signal the imminent loss of the main power source UNSW_POWER The supervisor IC and coin battery maintain a backup power source VRAM to the Static Ram SRAM trend memory U25 and the realtime clock IC U2 at all times Main Board Clocks The ARM7 microprocessor is clocked from an external 14 7456 MHz spread spectrum clock source U20 X3 but i...

Page 37: ...her signal conditioned by U72 then amplified by a class D audio amplifier U14 to efficiently drive an off board 8 ohm speaker connected to J5 The speaker is mounted to the rear half of the unit Main Board Logic Power and Patient Isolation Power The Main Board accepts DC power input on connector J10 Approximately 12 VDC is present at TP12 J10 1 3 5 regardless if the unit is on or in standby off mod...

Page 38: ...ossible long term damage may occur if an ordinary alkaline battery non rechargeable is used Replace with identical type battery The Critical Failure Alarm CFA System is a self sufficient section of circuitry on the Main Board Assembly During normal operation this circuitry maintains its own AAA rechargeable alkaline battery BAT2 monitors the ARM7 microprocessor for proper operation and monitors th...

Page 39: ...s filter follows the first low pass filter and it consists of a 110kW resistor and a 330pF capacitor The second low pass filter provides a single pole at 4 4kHz The two series 22MW resistors provide a soft pull up that will raise the input signal to 2V if an ECG electrode comes off the patient The TLC2274 op amps U44 provide a unity gain buffer stage for each signal lead The outputs of the op amps...

Page 40: ...erature Option Isolated Side The IBP Temperature board has two channels of invasive blood pressure acquisition circuitry The two circuits are independent and identical The blood pressure transducer is a bridge style strain gauge with an output sensitivity of 5mV mmHg The transducer is excited with a DC voltage of 4 096V U6 ADR292 generates the excitation voltage The excitation voltage is passed th...

Page 41: ...then regulated down to 5ISO ANA 5 ANA 5 3 3ISO and 18ISO The supply is designed to run at a constant frequency of 115kHz The non isolated side of the board generates this clocking signal Main Board Isolated Communications The analog section to digital section communications is provided across the isolation barrier using optocouplers Five data lines cross the isolation barrier they are REST SpO2_RX...

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Page 43: ...Chapter 4 Diagrams Advisor Service Manual 4 1 Chapter 4 Diagrams ...

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Page 51: ...ded by n The resulting average is the value displayed Heart Rate Meter Accuracy and Response to Irregular Rhythm Reference EC 13 Test Specifications Waveform Description Rate Figure 3a Ventricular Bigeminy 40 bpm Figure 3b Slow Alternating Ventricular Bigeminy 30 bpm Figure 3c Rapid Alternating Ventricular Bigeminy 120 bpm Figure 3d Bi directional Systoles 90 bpm Response Time of Heart Rate Meter ...

Page 52: ...ated for pace pulses with an over undershoot of 1 mV for the 700 mV pace pulses and over undershoot of 0 08 mV to 0 125 mV for 2 mV pace pulses For the over undershoot the recharge time constant was 4 ms to 8 ms For all cases the displayed HR was identical to the applied HR and all pace pulses were detected and rejected Audible Alarms An audible alarm is located at the bedside Alarm sounds and amp...

Page 53: ...SED will be displayed on the upper right side of the display The audible alarm will be re enabled if any new alarm condition occurs or in two minutes if no new alarm condition occurs To manually re enable the audible alarm press the alarm silence key B again Audible alarms may be indefinitely silenced Press and hold the alarm silence key B for about three seconds until AUDIO PAUSED is displayed on...

Page 54: ...Chapter 5 ECG Technical Reference 5 4 Advisor Service Manual This page is intentionally left blank ...

Page 55: ... Schematic A20 1 80032B1 Serial Communications Board Drawing A21 1 80032B1 Serial Communications Board Parts List A22 1 80032S1 Serial Communications Board Schematic A23 1 80033A1 Display Panel Assembly Drawing A24 2 80033A1 Display Panel Assembly Bill of Materials A25 2 80034A1 Bezel Assembly Drawing A26 1 80034A1 Bezel Assembly Bill of Materials A27 1 80035A1 Assembly Back Drawing A28 3 80035A1 ...

Page 56: ...Appendix App 2 Advisor Service Manual This page is intentionally left blank ...

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Page 58: ...d Colonial Way Watford Herts WD24 4LG UK Tel 44 1923 246434 Fax 44 1923 240273 Australian Representative Smiths Medical Australasia Pty Ltd 61 Brandl Street Eight Mile Plains QLD 4113 Australia Tel 61 0 7 3340 1300 HManufactured By Smiths Medical PM Inc N7W22025 Johnson Drive Waukesha WI 53186 1856 USA ...

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