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User disc due to disc of deviation from the center position, put into discs are crowded at the top of the casing and a three disc tray and forced to turn for a moment, hear the sound not to stop the machine immediately, their own open shell, the deformation discs taken out and try machine appeared with a box action, but tray out, press the play button. The tray turn a non-stop phenomenon.NvDservice manual download site
After the airport, remove the disc tray, find a white plastic micro switch is off in the machine on a plastic soleplate, re install, according to the state out of the box, let a dish of in, disc 2 in principle, the installation of three disc tray after. The machine back to normal.
Analysis of failure may be due to squeeze three disc tray by the disc, the micro switch off. The opposite of a three disc tray has six convex head, six convex head and the micro switch turn a week hit six times, a dish of position touch a, the microswitch is switched on again, the second disk position touch second, three disc position touch three times are shown in Figure 2, the information will be transmitted to the microprocessor. Because of the micro switch off, the microprocessor is not normal, issued a directive to let the motor spinning, detect dish, of course, can not enter the state of play and users to install their own dish tray when I do not know the principle and wrong or did not lead to the out of the box.
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