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The Advanced® Model BR2 Service Manual

Summary of Contents for Bilirubin Stat-Analyzer BR2

Page 1: ...The Advanced Bilirubin Stat Analyzer Photometer Models BR2 and BR2E for Neonatal samples Service Manual BR25SM Rev8 082416...

Page 2: ......

Page 3: ...on 17 BR2950 Display Board Description 19 Design Changes 20 Replacement Parts 21 Supplies Accessories 21 3 Maintenance Optical Lamp 25 Optical Filters 25 4 Troubleshooting Internal Self Diagnosis Volt...

Page 4: ...4 The Advanced Model BR2 Service Manual Notes...

Page 5: ...1 Introduction...

Page 6: ......

Page 7: ...libration Less than 0 2 mg dL 24 hr after 30 minute warm up Performance Over Operating Conditions Hemolysis No interference from HbO2 levels up to 600 mg dL Turbidity Negligible interference from turb...

Page 8: ...ced Instruments Product Service Call 800 225 4034 toll free within the USA and Canada after normal business hours dial extension 2191 Call US 781 320 9000 elsewhere Or fax 781 320 3669 When calling Ad...

Page 9: ...ended to alert the user to the presence of a specific component that could be damaged by static electricity This symbol indicates the presence of alternating current AC This symbol indicates the prese...

Page 10: ...rvice for any of the following reasons unplug the product from the electrical outlet and refer service to a qualified service technician The power cord extension cord power strip or power input module...

Page 11: ...ithin your institution To avoid injury or fire hazard do not oper ate this product in an explosive atmos phere Regulatory Notices This product has been designed and manu factured in accordance with U...

Page 12: ...ance certifi cate shipped with the product if required for the latest update Regulatory approval type Description Regulatory approval type Description EC Declaration of This product does not meet the...

Page 13: ...2 General Overview...

Page 14: ......

Page 15: ...ng Internal components may be damaged by static electricity CAUTION Improper connections may cause damage to the instrument 1 Turn off the power and unplug the instru ment 2 Remove the four screws A f...

Page 16: ...om right to left passes through the clear not the ribbed sides Close the cuvette chamber cover against extraneous light 3 Adjust the readout to 00 0 with the Zero knob 4 Add 30 L of calibration standa...

Page 17: ...18 mV 0 1 mV at the end of R41 TP 454 nearest R42 Module IC7 is a log ratio converter which performs the electrical analogy of the mathe matical equation The electronic circuits in the BR2 are con ta...

Page 18: ...the Total LD At that point the operator may elect either to complete a total bilirubin test or switch to Direct for a direct bilirubin test see Bilirubin Test Instructions Pressing the Direct button...

Page 19: ...the left center of the Main board as instructed in the Troubleshooting section below CAUTION Be sure to return S2 to NOR MAL and S3 to the far right 15 position as soon as this test is finished NOTE B...

Page 20: ...below list the major changes made at each revision of the Model BR2 Design Changes No suffix Original model released February 1980 Serial Suffix A November 1994 Serial Suffix B Updated to carry the CE...

Page 21: ...sable B2A800 Total Bilirubin Test Kit Reagents and Cuvettes for 100 determinations B2A101 Total and Direct Test Kit Reagents and Cuvettes for 100 determinations B2A102 Power Cord specify voltage and c...

Page 22: ...22 The Advanced Model BR2 Service Manual Notes...

Page 23: ...3 Maintenance...

Page 24: ......

Page 25: ...internal circuitry about every two years Optical Filters Two optical filters are employed as shown in the block diagram below Both filters have optical coatings that will degrade over time resulting...

Page 26: ...Notes...

Page 27: ...4 Troubleshooting...

Page 28: ......

Page 29: ...r screws from both sides of the BR2 and pull the instrument cover straight up and off 3 Plug in and power the instrument careful ly so that you do not contact the AC line voltage between the fuse hold...

Page 30: ...30 The Advanced Model BR2 Service Manual Notes...

Page 31: ...Diagnosis Voltage Checks Troubleshoot further as indicated in the chart in section Internal Self Diagnosis Voltage Checks As indicated 3 No display a See 1 above b Power switch S1 in the left side of...

Page 32: ...6 of IC4 for 1 V with S2 in the NORMAL position and its arm temporarily grounded If no S2 short jumper wire at S2 a Replace I1 IC1 Q1 or D4 b Replace IC5 c Replace IC6 d Replace IC7 R48 or J1 J2 ribbo...

Page 33: ...10 of IC3 for a high for Direct check pin 11 of IC3 for a high Replace IC3 J1 J2 ribbon cable I3 I4 S4 S5 Q4 Q5 or Q6 RL1 Replace RL1 13 Direct Timer time is not two minutes 10 seconds a Try resetting...

Page 34: ...34 The Advanced Model BR2 Service Manual Notes...

Page 35: ...5 Adjustments...

Page 36: ......

Page 37: ...the paper strip reduce and focus Note that as the spot comes into focus it appears oblong not round Rotate the lamp by its leads until the long axis of the light spot i e the fil ament is vertical 9...

Page 38: ...tiometer next to the large square IC7 near the left center of the Main board Adjust R38 for a voltmeter read ing of 18 0 1 mV Move the voltmeter lead from R37 to the end of R41 TP 454 nearest 454 GAIN...

Page 39: ...rner of the Main board for 0 100 V measured at the end of R36 nearest IC5 located in the same area Remove the light blocking object from the cuvette chamber 7 Fill a cuvette about half full of water a...

Page 40: ...wer transformer 4 Rotate the ten turn Zero control knob all the way either clockwise or counterclock wise then exactly five turns back to the center 5 Make sure that toggle switch S2 if installed is a...

Page 41: ...6 Replacement Instructions...

Page 42: ......

Page 43: ...ff 3 Remove the large cap screw A from each end of the filter block located in the left front corner of the instrument base 4 Lift the filter block enough for access to the retaining screws holding th...

Page 44: ...ff any finger prints with a clean cotton swab before mounting 7 Make sure one O ring is in place Using two retaining screws reinstall the 454 sensor assembly on the filter block 8 Remove the two retai...

Page 45: ...rner of the instrument base Pull the old lamp gently by its leads straight out to the right 5 Plug in the instrument and turn on the power CAUTION Be careful to avoid the AC line voltage between the f...

Page 46: ...e top of the lamp block so that the lamp is held securely in position but not crushed CAUTION Tightening the lamp setscrew too much will either destroy the lamp immediately or cause it to burn out ver...

Page 47: ...entry mod ule Carefully pry the fuse holder from the power entry module 3 Dislodge the old fuses and reinstall the new fuses by placing them in the fuse holder brackets 4 Slide the indicator pin into...

Page 48: ......

Page 49: ...7 Schematics...

Page 50: ......

Page 51: ...BR2003 Schematic THIS DESIGN DRAWING AND PRINTS ARE THE PROPERTY OF ADVANCED INSTRUMENTS REPRODUCTION OF ANY KIND IS PROHIBITED EXCEPT WITH SPECIFIC PERMISSION OF ADVANCED INSTRUMENTS...

Page 52: ...R2100 Main Board Assembly Drawing THIS DESIGN DRAWING AND PRINTS ARE THE PROPERTY OF ADVANCED INSTRUMENTS REPRODUCTION OF ANY KIND IS PROHIBITED EXCEPT WITH SPECIFIC PERMISSION OF ADVANCED INSTRUMENTS...

Page 53: ...2950 Display Board Assembly Drawing THIS DESIGN DRAWING AND PRINTS ARE THE PROPERTY OF ADVANCED INSTRUMENTS REPRODUCTION OF ANY KIND IS PROHIBITED EXCEPT WITH SPECIFIC PERMISSION OF ADVANCED INSTRUMEN...

Page 54: ...Appendix A Symbol Definitions...

Page 55: ......

Page 56: ...errupt Test Start Stop Record Review Setup Calibration Cancel Delete Functional Arrow Printer Enter RS232 Bar Code Attention Symbol Definitions Caution Hot Surface Dangerous Voltage Lifting Hazard Cal...

Page 57: ...Use European Conformity Temperature Limit See Instructions Lot Number Manufacturer Use By Expiration Date Authorized Representative Part Number Sufficient for x Tests Open Here Low Fluid Level Keep Ha...

Page 58: ...Appendix B Product Disposal and Recycling...

Page 59: ......

Page 60: ...lace or dispose of this product Contact the supplier who sold you the product Whether this was Advanced Instruments itself or one of its author ized dealers this supplier should be knowledgeable about...

Page 61: ...Notes The Advanced Model BR2 Service Manual...

Page 62: ...Appendix C Service Log...

Page 63: ......

Page 64: ...Manual Service Log To call for Service 781 320 9000 or 800 225 4034 after normal business hours dial extension 2191 FAX 781 320 0811 Model Number BR2 Serial Number Symptoms Repairs Replacements or Pr...

Page 65: ...Symptoms Repairs Replacements or Problems or Changes Serviced by The Advanced Model BR2 Service Manual...

Page 66: ...Index...

Page 67: ......

Page 68: ...Display board 19 21 E Errors 16 F Fuse 7 10 17 21 29 I Instrument Specifications 7 L Lamp 17 21 25 37 39 Lamp circuit 17 M Main Board 17 21 Maintenance 25 O Optical lamp 17 25 29 P Parts Replacement...

Page 69: ...Notes The Advanced Model BR2 Service Manual...

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