LORAD AFFINITY Series, Руководство по обслуживанию

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P/N 9-500-0255 B-1
Service Manual
Appendix B: Technical References
Introduction
Appendix B: Technical References
1.0 Introduction
This Appendix provides tables used for identifying test points, LED indications, fuse identification and location,
jumpers, and accessory identification sensor combinations (image receptors) in the Affinity Series System.
2.0 Test Points
Warning: Service engineers must take appropriate radiation safety measures when testing (or
maintaining) the unit.
Caution: Be aware of the damage static electricity can inflict on electronic components. Always wear a
grounded electrostatic discharge strap when handling static sensitive components.
Use the following test point tables as an aid for troubleshooting the Affinity.
• Table B-1 - Filament Protect Board (PN 1-003-0289).
• Table B-2 - Power Control Board (PN 1-003-0445).
• Table B-3 - C-arm Safety Board (PN 1-003-0440).
• Table B-4 - Display Microprocessor Board (PN 1-003-0428).
• Table B-5 - Tubehead Control Board (PN 1-003-0403).
• Table B-6 - AEC Position Compression Display Microprocessor (PN 1-003-0471).
• Table B-7 - AEC Position Compression Display Board, Right (PN 1-003-0472).
• Table B-8 - Auxiliary Power Distribution Board (PN 1-003-0489)
• Table B-9 - Communications Interface Board (PN 1-003-0434)
• Table B-10 - Host Microprocessor Board (PN 1-003-0493)
• Table B-11 - HV Control Filament Board (PN 1-003-0485)
Table B-1: Filament Protect Board (PN 1-003-0289) Test Points
Test Point Voltage/Signal Function
TP1 GRID -5 V factory set
TP2 MA 1 V = 100 mA
TP3 GND ---
TP4 SM 2.7 V to 5 V
TP5 LG 2.7 V to 5 V