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Simple fault inquiry
- Categories:LCD TECHNOLOGY
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- Time of issue:2019-08-23 13:28
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(Summary description)In order to find out the fault of the liquid crystal display device during use, you can use the pointer multimeter R=10kΩ resistor to search. This is a high-resistance file, which can check various on-off and off-state conditions that affect the display, because it has The DC voltage of 9-15v can drive the display of the liquid crystal display device to judge whether the display device is normal or not from the display state. However, since the multimeter outputs a DC voltage, it is preferable not to delay the detection for a long time to avoid an electrochemical reaction. You can use the following tricks to reduce the damaging effect of DC, that is, hold a test pen in your hand, then hold the liquid crystal display back electrode with your fingers, and then use another test lead to detect the remaining segments of the electrode. The internal resistance of the external power supply is greatly increased, thereby reducing the damage of the DC component.
Simple fault inquiry
(Summary description)In order to find out the fault of the liquid crystal display device during use, you can use the pointer multimeter R=10kΩ resistor to search. This is a high-resistance file, which can check various on-off and off-state conditions that affect the display, because it has The DC voltage of 9-15v can drive the display of the liquid crystal display device to judge whether the display device is normal or not from the display state. However, since the multimeter outputs a DC voltage, it is preferable not to delay the detection for a long time to avoid an electrochemical reaction. You can use the following tricks to reduce the damaging effect of DC, that is, hold a test pen in your hand, then hold the liquid crystal display back electrode with your fingers, and then use another test lead to detect the remaining segments of the electrode. The internal resistance of the external power supply is greatly increased, thereby reducing the damage of the DC component.
- Categories:LCD TECHNOLOGY
- Author:
- Origin:
- Time of issue:2019-08-23 13:28
- Views:
Information
In order to find out the fault of the liquid crystal display device during use, you can use the pointer multimeter R=10kΩ resistor to search. This is a high-resistance file, which can check various on-off and off-state conditions that affect the display, because it has The DC voltage of 9-15v can drive the display of the liquid crystal display device to judge whether the display device is normal or not from the display state. However, since the multimeter outputs a DC voltage, it is preferable not to delay the detection for a long time to avoid an electrochemical reaction. You can use the following tricks to reduce the damaging effect of DC, that is, hold a test pen in your hand, then hold the liquid crystal display back electrode with your fingers, and then use another test lead to detect the remaining segments of the electrode. The internal resistance of the external power supply is greatly increased, thereby reducing the damage of the DC component.
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