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Repair case:Philips IU22 ultrasound device has no display

Fault phenomenon
After pressing the power button, the screen of the Philips IU22 ultrasound device does not display an image.

Fault analysis and Troubleshooting
The device's non-display failure is roughly divided into two categories: the display or the display cable is faulty; the computer host fails to start normally. After the device is turned on, you can feel the vibration of the host when it is running. Press the shutdown button to shut down normally and judge the host computer to be normal. The fault may be a fault in the monitor or the monitor power cord.

Remove the device monitor, connect a computer monitor with DVI interface, the image display is normal, and finally determine the monitor failure. Disassemble the monitor, detect that the high-voltage board of the monitor is burnt out, and the front-level power supply of the driver board burns through, and the equipment is used normally after maintenance.

Summary
The failure of the display can be easily detected by the replacement method. It should be noted that the resolution of the current computer display is relatively high, the hardware of the ultrasound device does not support it, and a compatibility error will be reported after booting. When replacing, you can connect the original monitor to boot, unplug the video cable and connect to the new monitor.
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