Hitachi EUB-5500 Technical Manual page 3

Ultrasound diagnostic scanner
Table of Contents

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4.5
CW Doppler Unit EZU-CW4 .......................................................................................4 - 25
4.5.1
General and board description.............................................................................4 - 25
4.5.2
CW PCB circuit description .................................................................................4 - 25
Section 5
Section 5
Section 5
Section 5
Power Unit
Power Unit
Power Unit
Power Unit .................................................................................................................5 - 1
5.1
General and Circuit Description .................................................................................5 - 1
5.2
Power Unit Connectors ................................................................................................5 - 3
Section 6
Section 6
Section 6
Section 6
Monitor Unit
Monitor Unit
Monitor Unit
Monitor Unit ..............................................................................................................6 - 1
6.1
Composition ..................................................................................................................6 - 1
6.2
Specification..................................................................................................................6 - 1
6.3
Installation ...................................................................................................................6 - 4
6.3.1
Cautions in installing the monitor ......................................................................6 - 4
6.3.2
Cautions for safety................................................................................................6 - 5
6.3.3
Replacing the fuse.................................................................................................6 - 5
6.3.4
Degaussing ............................................................................................................6 - 5
6.4
Description of Operation..............................................................................................6 - 5
6.4.1
General ..................................................................................................................6 - 5
6.4.2
Brown tube (CRT) .................................................................................................6 - 5
6.4.3
Main board (AVB401) ...........................................................................................6 - 6
6.4.4
VIDEO board (AVB411) ........................................................................................6 - 7
6.4.5
Socket board (AVB421) .........................................................................................6 - 8
6.4.6
Control board (AVB451)........................................................................................6 - 8
6.4.7
Front control (AVB431).........................................................................................6 - 8
6.4.8
Block diagram .......................................................................................................6 - 9
6.5
Adjustment ...................................................................................................................6 - 10
6.5.1
List of adjusters ....................................................................................................6 - 10
6.5.2
VR adjuster layout ................................................................................................6 - 12
6.6
Troubleshooting ............................................................................................................6 - 16
6.7
Removing the Cover .....................................................................................................6 - 17
6.8
Detaching and attaching the Filter ............................................................................6 - 18
Section 7
Section 7
Section 7
Section 7
Co
Co
Connector Arrangement
Co
nnector Arrangement ............................................................................................7 - 1
nnector Arrangement
nnector Arrangement
7.1
Connector Arrangement...............................................................................................7 - 1
7.2
Connection of CN Panel Connectors ...........................................................................7 - 2
7.3
Termination of Video Signals.......................................................................................7 - 5
Section 8
Section 8
Section 8
Section 8
Signal List
Signal List
Signal List
Signal List ..................................................................................................................8 - 1
8.1
EUB-5500 Basic Unit...................................................................................................8 - 1
8.1.1
PRB PCB ...............................................................................................................8 - 1
8.1.2
AWP PCB ...............................................................................................................8 - 3
8.1.3
DBF PVB ...............................................................................................................8 - 6
8.1.4
EPI PCB.................................................................................................................8 - 10
8.1.5
MAP PCB...............................................................................................................8 - 14
8.2
BIO Unit........................................................................................................................8 - 15
8.2.1
BIO PCB ................................................................................................................8 - 15
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L1E-EA0229

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