DUS 60 Digital Ultrasonic Diagnostic Imaging System Service Manual
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Chapter 2 Introduction
The service provider must read and understand all the information presented in this manual
before installing or servicing a unit.
Typical users of the basic service manual:
Service personnel (installation, maintenance, etc.);
Hospital service personnel;
Contractors.
The service provider should fully read and understand the user manual before operating the DUS
60. It should also be kept near the unit for quick reference.
2.1. Safety Considerations
2.1.1. Introduction
WARNING
1. This equipment is not intended for treatment.
2. Do not pull the I / F connector in or out while the module is operating.
3. The startup voltage of backlight is approximately 1000 Volts. It may cause electrical
shock while assembling with inverter. Do not disassemble the module or insert
anything into the backlight unit.
4. If the liquid crystal material leaks from the panel, it should be kept away from the
eyes or mouth. In case of contact with hands, skin or clothes, it has to be washed
away thoroughly with soap.
CAUTION
1. The pictures and interfaces in this manual are for reference only.
2. Do not apply rough force such as bending or twisting to the LCD module during
assembly.
3. Assembling or installing the LCD module into user’s system can only be performed in
clean working areas. The dust and oil may cause electrical short or worsen the
polarizer.
4. It’s not permitted to have pressure or impulse on the module; otherwise, the LCD
panel and backlight will be damaged.
5. Do not disassemble the LCD module.
The following safety precautions must be observed during all phases of operation, service and
repair of this equipment. Failure to comply with these precautions or with specific warnings
elsewhere in this manual, violates the safety standards of the design, manufacture and intended
use of the equipment.
The standard three-pin socket should be used for power supply, and its protection terminal should
be connected with to the grounding wire. If there is no protection terminal available in the socket
or not connected with to the grounding wire of power supply, you are advised to use a spare
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