ii
1.1 Product Overview .....................................................................................................................................118
1.2 Technical Specifications .......................................................................................................................... 120
2 Product Principle ........................................................................................................ 122
2.1 General Structure of Hardware System ................................................................................................... 122
2.2 Main Board .............................................................................................................................................. 123
2.3 Probe Board ............................................................................................................................................. 126
2.4 4D/TEE/CW ............................................................................................................................................ 127
2.5 Magnetic Connection Board and IO Interface Board .............................................................................. 127
2.6 Control Panel ........................................................................................................................................... 127
2.7 Main Display Unit ................................................................................................................................... 129
2.8 Probe Expansion Board ........................................................................................................................... 130
2.9 ECG Module ............................................................................................................................................ 130
2.10 Trolley Power Supply ............................................................................................................................ 131
2.11 Power-up Process of the Main Unit ....................................................................................................... 135
3 Probe and Needle-guided Bracket............................................................................. 137
3.1 Probe ........................................................................................................................................................ 137
3.2 Needle-guided Brackets ........................................................................................................................... 143
4 Field Replaceable Unit ................................................................................................ 160
4.1 Explosive View ........................................................................................................................................ 161
4.2 Assembly Explosive View ....................................................................................................................... 162
5 Structure and Assembly/Disassembly ...................................................................... 175
5.1 System Structure ...................................................................................................................................... 175
5.2 Assembly/Disassembly of the Main Unit ................................................................................................ 176
5.3 Disassembling the Trolley ....................................................................................................................... 198
6 Function and Performance Check ............................................................................. 219
6.1 Description .............................................................................................................................................. 219
6.2 Checking System Status .......................................................................................................................... 219
6.3 General Check ......................................................................................................................................... 220
6.4 Function Check ........................................................................................................................................ 222
6.5 Performance Test ..................................................................................................................................... 229
Part III Appendix ......................................................................... 236
1 Electrical Connection Diagram .................................................................................. 237
2 Description of Self-Test Items.................................................................................... 238
2.1 Z0101 Test of Communication Between PC Module and MF FPGA ..................................................... 238
2.2 Z0102 CPU Temperature Test ................................................................................................................. 238
2.3 Z0201 DDR Full-Space Read/Write Test ................................................................................................ 239
2.4 Z0202 FPGA Pressure Test ...................................................................................................................... 240
2.5 Z0203 AFE Test Mode Test ..................................................................................................................... 240
2.6 Z0204 Power Management Module Communication Test ...................................................................... 240
2.7 Z0205 Power Status Test ......................................................................................................................... 241