Philips M2540 User Manual Page 96
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M2540-92000-01 A M2540 Ultrasound System Field Service Manual Page 96
Performance Tests: Electrical Safety Tests
5. Take ECG lead leakage current measurements with both normal and reverse polarity. Check
that the highest value is within the limit specified for Normal condition in Figure 6-3 on
page 95.
6. Take ECG lead leakage current measurements in open ground condition, with both normal
and reverse polarity. Check that the highest value is within the limit specified for Single Fault
condition in Figure 6-3. Write down the highest value; this is the value for the first single fault
condition.
7. Take ECG lead leakage current measurements in open neutral condition, with both normal
and reverse polarity. Check that the highest value is within the limit specified for Single Fault
condition in Figure 6-3. Write down the highest value; this is the value for the second single
fault condition.
8. Record the highest current value measured in step 6 and step 7. Check that the highest value
is within the limit specified for Single Fault condition in Figure 6-3.
Failure to meet the specified limits may indicate a fault with the isolation of the Physio module.
ECG Lead
Isolation
Leakage
Current Test
This test checks ECG leads by applying voltage from the mains to the ECG leads, to check that
the system is isolated from such voltages. Figure 6-4 on page 97 shows the basic electrical
concept of the ECG Lead Isolation Leakage Current test. Use a safety analyzer and complete the
procedure that follows the figure.
- M2540 Ultrasound System 1
- Field Service Manual 1
- Audience 2
- Conventions 3
- Service Manual 3
- Questions or 3
- Comments 3
- Customer 4
- Assistance 4
- 1 General Information 6
- Description 7
- System Monitor 8
- Functions 10
- Keyboard 11
- Equivalencies 11
- Specifications 12
- 2Specifications 13
- Physical 14
- Dimensions 14
- 129.5 cm (51 in) 15
- 147.5 cm (58 in) 15
- 53.5 cm (21 in) 17
- 53.45 cm (21 in) 18
- Electrical 19
- Connection 21
- Physio Port 23
- Audio/Video 23
- External Video 24
- Video Output 25
- Tr a n s m it 27
- (Acoustical) 27
- Acoustic 27
- Exposure 27
- AIUM/NEMA 28
- Display 28
- Standard 28
- Automatic 29
- Index Selection 29
- Explosive 30
- Warnings 31
- Peripheral 31
- Connections 31
- Glutaral 32
- Moving the 32
- Safety: Moving the System 33
- Transporting 34
- Compatibility 35
- Restrictions 36
- Electrosur 37
- 4 Theory of Operation 38
- TR Boards 40
- BPAP Board 42
- Demodulator 43
- APIO Board 43
- Physio Module 43
- Primary 44
- Connectors 44
- I/O Panel 45
- Functional 47
- Diagrams 47
- Functional Block 49
- Token Ring Cable 50
- Safety Testing: 52
- Test Setup 52
- 7ASW030-1 53
- 7ASW030-2 55
- 7ASW030-3 56
- 7ASW030-4 56
- 7ASW030-5 57
- 5 Installation 59
- Monitor Signal 62
- Installation: System Startup 63
- Configuration 64
- Localization 65
- Figure 5-4 Top Border Window 66
- Options 71
- Installation 71
- Network 73
- 2. Click Service 75
- ➤ Adding Server Information 77
- Hardware 83
- ➤ Assigning Option Buttons 84
- 2. Click Keyboard 84
- VCR configuration 85
- Configuring for printers 87
- Training 88
- 6Performance Tests 89
- Chassis to 90
- Resistance Test 90
- Ground Wire 92
- Leakage 92
- Current Test 92
- ECG Lead 94
- (Source) 94
- Isolation 96
- Tr a n s du c er 98
- Diagnostics 105
- Checkit Pro 106
- Resident Self 107
- User Interface 108
- System Information 109
- Information 109
- Ty p e s 109
- Hardware Information 110
- Available Tests 111
- Te s t i n g O p t i o n s 112
- Test Results 113
- Service Log 113
- Test Modules 117
- Ultrasound Application Log 119
- RST Test Log 121
- RST Log Codes 122
- Test Result Details 123
- System Log 124
- Using the 125
- 7 Adjustments 127
- Navigating the OSD Menus 128
- Adjusting VGA 128
- Ver ti ca l S ize 128
- Changing the 130
- Boot Sequence 130
- 8 Preventive Maintenance 131
- Preventive Maintenance: 132
- 9 Troubleshooting 134
- Printer 136
- Problems 136
- Electromag 137
- Interference 137
- 10 Service Procedures 138
- Service 140
- Rear Service 141
- Front Service 141
- Side Panels 141
- PC Service 142
- The Setup window opens 144
- 4. Click the Floppy Disk tab 144
- PC Components 147
- Service Procedures: E-box 151
- Power Supply 154
- Transducer 156
- Connector 156
- Monitor 157
- Tw i v e l 158
- Control Panel 158
- Support and 160
- Front Panel 160
- System Control 161
- Panel and 161
- Monitor Cables 161
- Service Procedures: Cables 162
- Service Procedures: Cart 163
- Lift Column 165
- Preparation 165
- Gas Spring 166
- Mechlok and Cable 167
- 11 Cabling 171
- Cabling: 172
- 12 Configuration 174
- VCR Switch 175
- Settings 175
- Sony B/W 176
- Printer Dip 176
- 13 Parts 177
- Assemblies 178
- Internal PC 180
- Parts: Internal PC 181
- Parts: e-box and Power Supply 184
- Assembly 185
- Parts: Lower Assembly 186
- Parts: Lift Column Assembly 191
- Parts: Upper Assembly 194
- To p S h e l f 196
- Parts: Top Shelf 197
- VCR Option 198
- Software 198
- Physio Option 199
- Exchange Part 200
- Optional 201
- Peripherals 201
- Accessories 202
- Supplies and 202
- 14 Transducers 205
- 15 Glossary 206
- Glossary: 207
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