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三、电源及其电源控制不正常引起自动保护停机实例1 东芝 DV—98V 录像机。插入电源插头,多功能荧光显示屏能正常闪亮,电源指示灯也能正常闪亮,有时能正常装带,但当执行重放操作时,自动保护停机;有时无法装带。根据多功能荧光显示屏与电源指示灯均能正常指示这一特点,可知开关稳压电源的主电路基本正常,而造成不能装带或装带后保护停机的可能原因为:
Third, the power and power control is not properly caused by automatic protection Shutdown Example 1 Toshiba DV-98V VCR. Plug in the power plug, multi-function fluorescent screen can be normal flashing, the power indicator light can be normal, and sometimes can be properly loaded, but when the implementation of replay operation, automatic protection down; sometimes can not be loaded. According to multi-function fluorescent display and power indicator light can indicate this feature can be normal, the main circuit switching power supply is basically normal, and can not be caused by loading or loading with the protection downtime possible reasons: