Mediana YM6000, Service Manual

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ii Contents
YM6000 Service Manual
System Overview
......................................................................................................................................... 83
System Block Diagram
................................................................................................................................ 83
ECG Processing
............................................................................................................................................ 89
NIBP Processing
........................................................................................................................................... 89
SpO
2
Processing
............................................................................................................................................ 91
Respiration Processing
................................................................................................................................ 93
Temperature Processing
.............................................................................................................................. 93
Invasive Blood Pressure Processing
.......................................................................................................... 94
Figures
Figure 1. Front Panel Controls and Connectors ........................................................................................................................4
Figure 2. Rear Panel Components and Symbols........................................................................................................................5
Figure 3. Right Panel Components and Symbols ......................................................................................................................6
Figure 4. Left Panel Components and Symbols .........................................................................................................................7
Figure 5. Alarm Audible Test ..................................................................................................................................................12
Figure 6. Tone Audible Test .....................................................................................................................................................13
Figure 7. Backup RAM Clear ..................................................................................................................................................14
Figure 8. Pressure Sensor Accuracy Test.................................................................................................................................24
Figure 9. Air Leakage Test .......................................................................................................................................................25
Figure 10. The access of Service Menu via Set ‐ up menu.........................................................................................................35
Figure 11. The access of Service Menu via Set ‐ up menu .........................................................................................................36
Figure 12. Service Menu .........................................................................................................................................................36
Figure 13. Firmware downloading display ..............................................................................................................................45
Figure 14. Firmware downloading display ..............................................................................................................................46
Figure 15. Disassembly Sequence Flow Chart.........................................................................................................................62
Figure 16. Battery and Handle Disassembly ...........................................................................................................................64
Figure 17. Monitor Disassembly .............................................................................................................................................65
Figure 18. Front Case Disassembly – Side connector holder and Main board.........................................................................66
Figure 19. Front case disassembly – CPU module, SpO
2
module and IBP board....................................................................67
Figure 20. Front Case Disassembly –Bracket and Key board ..................................................................................................68
Figure 21. Front Case Disassembly – sLCD and Bracket ........................................................................................................69
Figure 22. Front Case Disassembly – Knob, LCD window, Encoder assembly and Connectors .............................................70
Figure 23. Rear case disassembly – EtCO
2
module..................................................................................................................72
Figure 24. Rear case disassembly – Speaker.............................................................................................................................73
Figure 25. Rear case disassembly –SMPS case, SMPS and NIBP module..............................................................................74
Figure 26. Rear case disassembly – Printer module and AC inlet ...........................................................................................75
Figure 27. YM6000 Exploded View – Spare Parts ..................................................................................................................78
Figure 28. System Block Diagram ...........................................................................................................................................83
Figure 29. Power Unit Block Diagram ....................................................................................................................................84
Figure 30. Process Unit Block Diagram ..................................................................................................................................84
Figure 31. User ‐ Control Unit Block Diagram.........................................................................................................................84
Figure 32. Sound Unit Block Diagram....................................................................................................................................85
Figure 33. Communication Unit Block Diagram ....................................................................................................................85
Figure 34. GUI Unit Block Diagram.......................................................................................................................................85
Figure 35. Thermal Printer Unit Block Diagram ....................................................................................................................85
Figure 36. NIBP Unit Block Diagram.....................................................................................................................................86
Figure 37. EtCO
2
Unit Block Diagram ...................................................................................................................................86
Figure 38. ECG Unit Block Diagram ......................................................................................................................................86
Figure 39. Respiration Unit Block Diagram............................................................................................................................87
Figure 40. SpO
2
Unit Block Diagram......................................................................................................................................87
Figure 41. Temperature Unit Block Diagram ..........................................................................................................................87
Figure 42. IBP Unit Block Diagram ........................................................................................................................................88
Figure 43. Analog Control Unit Block Diagram .....................................................................................................................88
Figure 44. Oxyhemoglobin Dissociation Curve.......................................................................................................................92
Tables
Table 1. Required Equipment................................................................................................................................................... 11
Table 2. Parameter Alarm Limit Factory Defaults...................................................................................................................18
Table 3. Earth Leakage Current Values ....................................................................................................................................31
Table 4. Enclosure Leakage Current.........................................................................................................................................32
Table 5. Patient Leakage Current Values .................................................................................................................................33
Table 6. Patient Leakage Current Values ‐ Mains Voltage on Applied Part.............................................................................33
Table 7. Test Lead Combinations..............................................................................................................................................34
Table 8. Allowable Leakage Current.........................................................................................................................................34
Table 9. Service Menu..............................................................................................................................................................37