GE LOGIQ A1 - Page 6

GE MEDICAL SYSTEMS LOGIQ A1 BASIC SERVICE MANUAL
REV 2 5176463-100
4
3-3-2 Electrical socket requirement..................................................................26
3-4 Storage and operating requirements..................................................................26
3-5 Options.............................................................................................................27
CHAPTER 4 FUNCTIONAL CHECK .........................................................................28
4-1 Overview...........................................................................................................28
4-2 Procedures of Functional Check .......................................................................28
4-2-1 Monitor Display after turning on ............................................................28
4-2-2 Basic control ...........................................................................................29
4-2-3 Tissue-imitated ultrasonic phantom examination ...................................30
4-3 Diagnosis...........................................................................................................31
4-3-1 Keyboard Test .........................................................................................31
4-3-2 Image Memory Test ................................................................................31
4-4 Maintenance and Adjustment............................................................................31
CHAPTER 5 SYSTEM ARCHITECTURE ..................................................................32
5-1 Circuit Boards ..................................................................................................32
CHAPTER 6 PERIODIC MAINTENANCE.................................................................33
6-1 Overview..........................................................................................................33
6-2 Periodic Maintenance........................................................................................33
6-3 Procedure .........................................................................................................33
6-3-1 Visual inspection.....................................................................................33
6-3-2 Cleaning ..................................................................................................34
6-3-3 Testing.....................................................................................................35
6-4 Trackball maintenance......................................................................................35
6-4-1 Removal of the retainer ring of trackball................................................36
6-4-2 Cleaning the trackball .............................................................................36
6-4-3 Fixing the trackball and retainer ring.....................................................36