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故障现象:打开电源开关,伴音正常,但屏幕上一开始无光栅,几分钟后才逐渐出现暗淡的光栅和模糊不清的图象。大约过了二十分钟后才能看到正常的光栅和清晰的图象,同时机器也能一直稳定可靠的工作。这时如果关掉电源开关,几秒钟内重新开机一切均为正常,但关机数小时后重新打开电源开关就出现上述故障现象。分析检修:上述故障现象说明,该机需要通电二
Symptom: Turn on the power switch, sound normal, but the beginning of the screen without grating, a few minutes after the gradual emergence of dim grating and blurred images. It took about twenty minutes to see normal rasters and clear images, and the machine was always stable and reliable. At this time if you turn off the power switch, reboot within a few seconds everything is normal, but after a few hours off the power switch to reopen the above symptoms. Analysis and maintenance: The above symptoms, the aircraft needs electricity two