i
CONTENTS
1
General Description .............................................................................. 1-1
1.1
System Characteristics ........................................................................................... 1-1
1.2
Applicable Scope .................................................................................................... 1-1
2
System Overview .................................................................................. 2-1
2.1
System Appearance ............................................................................................... 2-1
2.1.1 Complete System with CRT Monitor ........................................................................ 2-1
2.1.2 Complete System with LCD Monitor ........................................................................ 2-3
2.2
LCD Monitor ........................................................................................................... 2-4
2.2.1 Brightness and contrast buttons............................................................................... 2-5
2.2.2 Up/down adjusting lever ........................................................................................... 2-6
2.2.3 Lever of upper support arm ...................................................................................... 2-7
2.3
I/O Panel ................................................................................................................. 2-8
2.4
Power Panel ........................................................................................................... 2-9
2.5
ECG Panel............................................................................................................ 2-10
2.6
Control Panel ........................................................................................................ 2-11
2.6.1 Main panel .............................................................................................................. 2-11
2.6.2 Minor panel ............................................................................................................. 2-14
2.6.3 Keyboard ................................................................................................................ 2-15
2.7
Symbols ................................................................................................................ 2-18
3
Principle Description ............................................................................ 3-1
3.1
Electric Principle of the System .............................................................................. 3-1
3.2
Principle of Boards ................................................................................................. 3-2
3.2.1 Transducer Board ..................................................................................................... 3-2
3.2.2 Transmission board .................................................................................................. 3-3
3.2.3 Amplifier board ......................................................................................................... 3-3
3.2.4 Beamformer board ................................................................................................... 3-4
3.2.5 DSP board ................................................................................................................ 3-5
3.2.6 System motherboard ................................................................................................ 3-7
3.2.7 CW board ................................................................................................................. 3-8
3.2.8 Built-in PC module ................................................................................................... 3-9
3.2.9 IO module ............................................................................................................... 3-12
3.2.10 ECG module ......................................................................................................... 3-13
Summary of Contents for DC-6
Page 1: ...DC 6 DC 6T DC 6Vet Diagnostic Ultrasound System Service Manual...
Page 2: ......
Page 20: ...2 1 2 System Overview 2 1 System Appearance 2 1 1 Complete System with CRT Monitor...
Page 23: ...System Overview 2 4 2 2 LCD Monitor...
Page 26: ...System Overview 2 7 2 2 3 Lever of upper support arm...
Page 66: ...4 1 4 System Structure and Assembly Disassembly 4 1 Exploded View of Complete System...
Page 101: ...System Structure and Assembly Disassembly 4 36 Power boards Card detacher...
Page 191: ...P N 2105 20 40473 V10 0...