Ohmeda

OHMEDA Neonatal Care

Giraffe Infant Scale Service Manual Aug 2004

Service Manual

40 Pages

Table of Contents 1/Functional Description 1.0 General ... 1-1 1.1 Scale Assembly ... 1-1 1.2 Load Cell Transducer ... 1-1 1.3 Cable and connector ... 1-1 1.4 Weighing and Interface Electronics... 1-2 1.41 Differential Signal Amplification ... 1-2 1.42 Additional Amplification and Signal Filtering ... 1-2 1.43 Analog and Digital Conversion ... 1-3 1.44 DC Power Supplies ... 1-4 1.45 Microcomputer and Support Circuits... 1-5 1.46 Interface to Giraffe Data Bus ... 1-6 1.5 SR and SC display ... 1-8 1.6 Specifications ... 1-9 2/Checkout Procedures 2.1 Mechanical check ... 2-1 2.2 Center weight check ... 2-1 2.3 Off center weight check ... 2-1 3/Maintenance and Calibration 3.1 Maintenance schedule ... 3-1 3.2 Service Tools ... 3-1 3.3 Calibration procedure ... 3-1 4/Troubleshooting 4.1 Error Codes ... 4-1 4.2 Troubleshooting Table ... 4-1 4.3 Service screen ... 4-3 4.4 Indicator lamp array check ... 4-3 5/Repair Procedures 5.1 Scale Top Frame Removal ... 5-1 5.2 Scale Top Frame Attachment ... 5-1 5.3 Circuit Board Removal ... 5-1 5.4 Circuit Board Replacement ... 5-1 5.5 Cable Assembly Removal ... 5-2 5.6 Cable Assembly Replacement- Plastic Frame Units ... 5-2 5.7 Cable Assembly Replacement- Metal Frame Units ... 5-2 5.8 Load Cell Removal ... 5-4 5.9 Load Cell Replacement ... 5-4 6/Illustrated Parts 6.1 Service Parts ... 6-1 6.2 Wiring Diagrams ... 6-3 6600-0372-000  08/13/04  i
File Type: PDF
File Size: 1.2 MB
File Name: giraffe_infant_scale_service_manual_aug_2004.pdf

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