微机彩显电源开关管屡损原因与检修

Damaged causes of power switch tube of microcomputer colour display

较全面详尽地分析了微机彩显中的关键且易损的元件———电源开关管(或厚模块)的过电压、过电流和过功耗等损坏的原因,并给出了相应有效检修方法.

The reasons that cause damages of power switch tube-thick incdule,including over-voltage,over-current,over-power waste etc,were analysed .The effective methods for maintenance was proposed.