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Advanced Bilirubin Stat-Analyzer BR2 Скачать руководство пользователя страница 38

The Advanced® Model BR2 Service Manual

12. With the half-full cuvette still in the

cuvette chamber, move the voltmeter
input lead from R36 to the end of R37
(TP 540) nearest R38 (the 540 GAIN
potentiometer 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 potentiometer R42 and
adjust R42 for a voltmeter reading of 18
±0.1 mV.

13. Complete the

Direct Zero Adjustment

Procedure

.

14. Shut off and unplug the BR2 before

replacing the instrument cover.

38

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Содержание Bilirubin Stat-Analyzer BR2

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

Страница 2: ......

Страница 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...

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

Страница 5: ...1 Introduction...

Страница 6: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 13: ...2 General Overview...

Страница 14: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 23: ...3 Maintenance...

Страница 24: ......

Страница 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...

Страница 26: ...Notes...

Страница 27: ...4 Troubleshooting...

Страница 28: ......

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 35: ...5 Adjustments...

Страница 36: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 41: ...6 Replacement Instructions...

Страница 42: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 48: ......

Страница 49: ...7 Schematics...

Страница 50: ......

Страница 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...

Страница 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...

Страница 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...

Страница 54: ...Appendix A Symbol Definitions...

Страница 55: ......

Страница 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...

Страница 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...

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

Страница 59: ......

Страница 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...

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

Страница 62: ...Appendix C Service Log...

Страница 63: ......

Страница 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...

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

Страница 66: ...Index...

Страница 67: ......

Страница 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...

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

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