Respironics bilichek Service Manual
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Respironics bilichek Service Manual

Non-invasive bilirubin analyzer
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  • Page 1 Service Manual...
  • Page 2 This BiliChek system is the subject of U. S. Patent #US patent 5.353.790 5,792,049 5,860,421 5,924,981 6.002.482 6,045,502 6,192,734 and patents pending. BiliChek is a trademark of Respironics, Inc. BiliChek Service Manual 1014988...
  • Page 3 ® accordance with the product specifications for a period of one year from the date of sale by Respironics. If the product fails to perform in accordance with the product specifications, Respironics will repair or replace -at its option - the defective material or part.

  • Page 4: Table Of Contents

    Theory of Operation ......... 6 11.4 HHU Error Code List ......... 29 Warnings and Precautions ....... 8 12.0 Routine Operator Cleaning ........33 Description of the BiliChek System....9 ® 13.0 Maintenance and Repair/Replacement ....33 13.1 HHU Measurement Bulb Replacement ..33 System Specifications ........

  • Page 5: Symbols

    • Symbol for “Catalog Number” Symbol for “Date of Manufacture” Mfd: • • Symbol for “Storage Conditions” Denotes this system is ETL Listed and conforms to ANSI/UL STD. 2601. Certified to CAN/CSA C22.2 STD. NO. 601.1. BiliChek Service Manual 1014988...

  • Page 6: Purpose Of The Device

    For example, melanin has a near- linear absorption spectrum in the visible spectrum and, like the The BiliChek works by directing white light into the skin of the scattering phenomenon, there is greater absorption of photons newborn and measuring the intensity of the specific wavelengths with shorter wavelengths than in the red region of the spectrum.
  • Page 7 Each of these components have also been considered in the The light reflected from the skin of neonates and collected by development of the algorithm by which the BiliChek Non- the BiliChek Non-Invasive Bilirubin Analyzer is analyzed with Invasive Bilirubin Analyzer computes the bilirubin measurement.

  • Page 8: Warnings And Precautions

    • The BiliCal Individual Calibration Tip should not be • The BiliChek Hand-Held Unit is to be operated only in exposed to light for extended periods of time. Keep conjunction with Respironics approved charger base, BiliCal Tip in package prior to use.
  • Page 9 5.0 Description of the BiliChek System ® The BiliChek System (REF B809 or B801) consists of a hand-held unit (REF B800-13) and the following items: Quantity Description REF Number Rechargeable Battery Packs B800-20 Charger Base B800-21 Power Supply (International) B800-17...

  • Page 10: System Specifications

    ♦Width ..........3.5cm ♦Weight ..........147g ♦Voltage ............6V Environmental Conditions for Use: BiliChek System and BiliCal Individual Calibration Tip may ♦Capacity ............. 700mA Hrs be stored at -40°C to 60°C (-40°F to 140°F) with ♦Measurements per full charge ....Minimum 100...

  • Page 11: Functional Description

    The charge base contains two wells, A and B, which set-up, changing time and date etc. recharge the battery pack in the BiliChek HHU and a spare battery pack, respectively. The two small lights on the BiliCal Individual Calibration Tip - This tip serves five...
  • Page 12 Calibration Tip in progress. Replace the battery Bad battery pack in the Red Flashing pack. If the problem charger base. is still present with a new battery pack, the charger base itself has malfunctioned and requires service. BiliChek Service Manual 1014988...

  • Page 13: Initial Set-Up

    After installing one of the battery packs into the charger base. The Battery Status Indicator (BSI) lights BiliChek hand-held unit, insert the hand-held unit into the will flash red, green, amber, and then off (approxi charger base well “A”, as shown on page 12 of this manual.

  • Page 14: Set-Up Mode

    Set the current time an error code message. Select the date format (MO/DA or DA/MO) ♦ NOTE: The BiliChek hand-held unit does not have an OFF ♦ Set the current date switch. The power will automatically shut off if it is left idle for a specified period of time (60 or 120 Seconds).
  • Page 15 The system will display time in either the 12 hour or 24 hour µmol/L will The display will read SET, and either mg/dL or format. be displayed NOTE: The 12 hour format is the default setting. NOTE: The default value is mg/dL. BiliChek Service Manual 1014988...
  • Page 16 Press F1 to accept and the date will be saved and the display will return to the home screen. Selecting the date format The unit will display the date in the Month/Day format or the Day/Month format. NOTE: the Month/Day format is the default setting. BiliChek Service Manual 1014988...

  • Page 17: Operation Of The Device

    ♦ Press and release the TRIGGER button. The unit is ♦ Firmly press the BiliCal tip onto the BiliChek hand- now activated and ready to take a measurement. held unit to ensure proper seating of the Tip. Gently press the tip against the infant’s forehead. The ♦...

  • Page 18: Troubleshooting

    (see Section 14.1 for instructions) and retry. If the error is still present, the HHU has malfunctioned and requires service. Call Respironics or your distributor. Patient measurement is unacceptable. Press and release F1 and F2 at the same time. Take another measurement.

  • Page 19: Troubleshooting Flow Chart

    T a k e s k i n defective HHU to Respironics for repair. measurements. T he c har ger b a s e o r t h e...
  • Page 20 2. Ensure that all contacts on both the battery pack and the charger base are clean, not bent over or broken off, and free of any obstructions. BiliChek Service Manual 1014988...

  • Page 21: Drawings And Schematics

    Pin 6 to Pin 7 = 0.0 VDC NOTE: The battery packs have three (3) contacts on one end and four (4) contacts on the other end. Holding the battery pack with the contacts towards you, the contacts are numbered from left-to-right. BiliChek Service Manual 1014988...
  • Page 22 11.3.2 Charger Base Exploded Views BiliChek Service Manual 1014988...

  • Page 23: Charger Base Pcb Schematic

    11.3.3 Charger Base PCB Schematic BiliChek Service Manual 1014988...
  • Page 24 - INDICATES ITEMS NOT INSTALLED. +1.7V +0.5V RESPIRONICS THIS SCHEMATIC WAS CREATED 1.05K 1.05K Title USING ORCAD TO REPLACE THE BILICHEK CHARGER PCA SCHEMATIC DEVELOPED USING SCHEMA. THIS SCHEMATIC WAS Size Document Number R e v NOT USED FOR BOARD LAYOUT. S1014726 Date:...
  • Page 25 SEL0 DCHG MMBD914LT1 SEL1 AUX0 THERM GREEN1 PF1* AUX1 MM1* DTSEL CM1* RED1 OT1* MOLEX 3 +.05V LM393A/SO RESPIRONICS Title BILICHEK CHARGER PCA Size Document Number R e v S1014726 Date: Wednesday, October 30, 2002 Sheet BiliChek Service Manual 1014988...
  • Page 26 SEL0 DCHG MMBD914LT1 SEL1 AUX0 THERM GREEN2 PF2* AUX1 MM2* DTSEL CM2* RED2 OT2* MOLEX 3 +.05V LM393A/SO RESPIRONICS Title BILICHEK CHARGER PCA Size Document Number R e v S1014726 Date: Wednesday, October 30, 2002 Sheet BiliChek Service Manual 1014988...

  • Page 27: Charger Base Pcb Component Layout

    11.3.4 Charger Base PCB Component Layout BiliChek Service Manual 1014988...
  • Page 28 If error persists, HHU requires service. NOTE: Firware Version ≥ 2.4/3.8 Only 016384 Mean of dark scan data above threshold. Install a fully charged battery pack and try several calibrations with new BiliCal tips. If error persists, HHU requires service. BiliChek Service Manual 1014988...
  • Page 29 MSI is green. Error: E05 - BiliChek Bilirubin Measurement High BiliChek Bilirubin measurement is above the upper threshold. The BiliChek Non-Invasive Bilirubin Analyzer has an upper µmol/L set in the software. If readings are above this threshold, a blood sample must be threshold of 20 mg/dl or 340 taken to measure the TSB level.

  • Page 30: Hhu Error Code List

    0512 System RAM check failed 1024 Checksum error in boot firmware 2048 Checksum error in main firmware 4096 Firmware version in boot block not found 8912 Watchdog timer could not be initialized 16384 Watchdog timer timed-out BiliChek Service Manual 1014988...
  • Page 31 Peak pixel range > 25 0032 External reference voltage outside of limits 0064 5V analog supply below limit 0128 Programming voltage below limit 0256 Clinical error 0512 Internal system error detected during clinical testing 1024 Microspectrometer SN = 000000 BiliChek Service Manual 1014988...

  • Page 32: Routine Operator Cleaning

    Spray the cleaning agent on a soft damp cloth and wipe clean WARNING: The BiliChek Non-Invasive Bilirubin ® the BiliChek system. The same procedure can be used to Analyzer is to be used only with the approved Replacement clean the display window. Bulb Kit from Respironics. Do not over-tighten the lamp cap.

  • Page 33: Hhu Measurement Bulb Replacement

    Replacement in well. Monitor BSI for correct indication (see section 12). Reassemble the charger base. The BiliChek charger base is a micro-processor controlled The small spring-loaded battery contact pins in the “smart” charger with Deep Discharge and Recharge capabili- charger base wells can be removed and replaced in the ties.

  • Page 34: Hand Held Unit (Hhu) Repair

    Respironics or your local distributor. 13.5 Battery Pack Repair/Replacement The BiliChek battery pack contains 5 Ni-Cd batteries and is a sealed unit. Any attempt to open will destroy the pack. It is not repairable and will be exchanged at no charge during warranty.

  • Page 35: Customer Service And Product Support Contact Information

    For technical assistance contact Respironics Customer Satisfaction US and Canada Phone: 1-800-345-6443 Fax: 1-800-886-0245 International Phone: 1-724-387-4000 Fax: 1-724-387-5012 Visit respironics Home Page on the World Wide Web at: www.respironics.com or e-mail: service@respironics.com clinical@respironics.com BiliChek Service Manual 1014988...
  • Page 36 Reorder # B800-25 Revision# 1014988 DS 07/14/03...

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