引言:多年维修中,笔者遇到过几例特殊光栅,产生特殊光栅原因,多数是电源电路或行电路故障引起。由于这些部位电压高、电流大,维修时极易造成元器件损坏或使故障扩大。为此,笔者愿把这些故障的产生原因及维修经验介绍给大家,供大家参考借鉴,使大家在以后维修类似故障时,少走弯路。 Introduction: For many years of maintenance, I encountered a few special grating, resulting in a special raster reasons, most of the power circuit or line fault caused. As these parts of the high voltage, current, maintenance can easily cause damage to components or to expand the fault. To this end, I would like to introduce the causes of these failures and maintenance experience introduced to you for your reference, so that we in the future maintenance of similar failures, less detours.