GE730 abdominal ultrasound fault repair

I. Introduction to GE730 Abdominal Ultrasound:

The GE730 abdominal ultrasound is a mid-range ultrasound system that utilizes computer software to achieve the functions of the original ultrasound hardware. The operating system is a simplified version of Win2000. Specialized software is used to perform real-time imaging, display, and measurement on images acquired by the image acquisition workstation. Images can also be stored and burned to disc.

II. Precautions for Using GE730 Abdominal Ultrasound:

Due to the inherent instability of the Win2000 system and user error, the system often fails to start normally. For example, if users save a large number of images on the machine, occupying significant memory, this can lead to insufficient computer memory and cause the system to fail to start or operate unreliably. Users should be reminded to regularly back up valuable images to disc or copy them and delete saved images to free up memory and ensure the normal operation of the Win2000 system.Users should be reminded to regularly back up valuable images to disc or copy them and delete saved images to free up memory and ensure the normal operation of the Win2000 system.

GE730 Abdominal Ultrasound Troubleshooting and Repair:

III. Common Troubleshooting Cases for GE730 Abdominal Ultrasound:

Case Study One

1. Fault Phenomenon: After powering on, the image display is normal, but some keys on the control panel are unresponsive when performing certain operations, and the mouse movement is not responsive during measurements.

2. Fault Analysis and Handling: Since the imagedisplay is normal, indicating that the machine's acquisition and post-processing functions are normal, the problem should first be considered to be with the control panel itself. Opening the control panel reveals a significant amount of fluffy dust between the keys and the trackball. Using a hot air blower and a small brush, the inside of the panel is cleaned. Then, the trackball is opened, the fluff is removed, and the ball is wiped with a relatively dry damp cloth. After cleaning, the trackball and control panel are restored, and the machine is restarted; the fault is resolved. This fault is caused by the operator giving the patient some dry tissue paper after checking each patient, causing some paper scraps to fall into the control panel. Another cause is that the operator may accidentally spill coupling agent on the panel, causing the keys and the trackball to malfunction and causing some operations to fail.

Case Study Two

1. Fault Phenomenon: The system fails to start normally after powering on.

2. Fault Analysis: After turning on the power, the system enters the DOS system, and the Win2000 system fails to boot normally. First, the software fault is ruled out, and the system is reinstalled. First, reinstall the Win2000 system. The GE730 has a backup of Win2000 and the dedicated 730 software on the hard drive. The specific steps are as follows: After powering on, when the Boot screen appears, press Ctrl+L+Enter simultaneously to enter BootL. After pressing Enter, enter the Password. After pressing Enter, the Win2000 and the dedicated 730 software system are automatically reinstalled, and activated after reinstallation. After restarting, the operating interface can be entered, and the Win2000 system is restored. At this point, only Win2000 and the dedicated 730 software have been reinstalled; the dedicated software still needs further activation. The specific steps are as follows: After powering on and entering the operating interface, click the touchscreen systemsetup to enter Password input. After entering the dedicated Password, each function can be activated. This dedicated Password can be viewed and recorded when the machine is operating normally by clicking systemsetup, so that it can be entered when the system is reinstalled.

Case Study Three

1. Fault Phenomenon: When using the small organ probe, irregular interference signals appear in the image, while the image is normal when using the abdominal probe or intracavitary probe.

2. Fault Analysis and Handling: Because the image is normal when using the other two probes, the fault should first be considered to be with the small organ probe itself. When this probe is placed on an ultrasound machine of the same Model, the image is normal, and no interference occurs. Therefore, this fault is a problem with the GE730 abdominal ultrasound itself.

First, check for problems with the machine's software. After reinstalling the system software, the interference does not change, ruling out software problems. Open the machine and check the image acquisition processing board, refasten it, and restart the machine; the fault is resolved. Due to the loosening of the image acquisition processingboard, noise is generated for a certain frequency band during the image acquisition and processing, appearing as interference on the screen.

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