Advanced Bilirubin Stat-Analyzer BR2, Service Manual, Page: 3 / 69

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The Advanced® Model BR2 Service Manual
1. Introduction
Instrument Specifications . . . . . . . . . . . .7
General Description and Purpose . . . . . .8
The Service Manual . . . . . . . . . . . . . . . .8
Service Assistance . . . . . . . . . . . . . . . . .8
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Safety/Regulatory Information . . . . . . . .9
Symbol Conventions . . . . . . . . . . . . . . .9
General Cautions . . . . . . . . . . . . . . . . . .9
Service & Maintenance Cautions . . . . .10
Hazardous Material Cautions . . . . . . . .11
Regulatory Notices . . . . . . . . . . . . . . . .11
Symbol Conventions . . . . . . . . . . . . . .11
2. General Overview
Removing the Instrument Cover . . . . .15
Calibration . . . . . . . . . . . . . . . . . . . . . .16
Circuit Description . . . . . . . . . . . . . . . .17
BR2100 Main Board Description . . . .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 Voltage Checks
.29
Troubleshooting Table . . . . . . . . . . . . .31
5. Adjustments
Lamp Adjustment . . . . . . . . . . . . . . . . .37
Measuring Circuit Adjustment . . . . . . .39
Direct Zero Adjustment . . . . . . . . . . . .40
6. Replacement Instructions
Interference Filter Set
(BR2650)
.B2P650
Lamp (BR2625) . . . . . . . . . . . . . .B2P625
Voltage Selection & Fuse
(70027/ 70028) . . . . . . . . . . . .B2P70011
7. Schematics
BR2003 Schematic
BR2100 Main Board Assembly Drawing
BR2950 Display Board Assembly Drawing
APPENDICES
A: Symbol Definitions
B: Product Disposal and Recycling
C: Service Log
Index
Table of Contents