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Service Common Problem
Possible reasons: the host computer to the extension of the 2 video is broken. Processing method: check 2 line is broken, can be replaced with the model of the host test.
Date: 2016 - 08 - 12
Views:3
Possible reasons: the host to the extension of the line 2Processing method: check the host machine to the extension of the 2 line is broken, can be replaced with the model test.
Date: 2016 - 08 - 12
Views:3
Possible reasons: the line is short and broken, the host is bad.Processing method: check the host and extension of the P.V.G number line, any one of the short circuit and fault are no images, the replacement of the same model test.
Date: 2016 - 08 - 12
Views:3
Possible reasons: the voltage is not enough;Processing method: check whether the visual power on the extension is 18V.Possible reasons: the image signal line does not lead to weak synchronization;Processing method: check the video line contact is good, the extension to the power distance is too far, the power cord is standard.
Date: 2016 - 08 - 12
Views:6
Possible reasons: the signal is too weak, the impedance mismatch or contrast is not goodProcessing method: plug in the extension of the back 75 ohm impedance short circuit block.Video amplifier device can be added on main line.On the contrast, brightness is not good, can adjust the potentiometer to improve the image effect.
Date: 2016 - 08 - 12
Views:5
Possible reasons: check whether the wrong will be 18V video power received on the door, causing the camera overheating;Processing method: the correct wiring.
Date: 2016 - 08 - 12
Views:4
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