一、引言对一般黑白/彩色电视机从业人员来说,在维修各种电视机时,每每因缺少所需的零件或资料而大伤脑筋。万一碰到显象管本身出故障,就更感到束手无策。据统计,70％以上的显象管往往由于衰老和碰极而出现故障。虽然电视机的售价日渐降低,但显象管价格并不便宜,所以,修理有毛病的显象管仍然是值得的。 First, the introduction of the general black and white / color TV practitioners, in the maintenance of a variety of TV sets, often due to the lack of the necessary parts or information and big headache. In case of hitting the CRT itself is a failure, even more feel helpless. According to statistics, more than 70% of CRTs often fail due to aging and touch. Although the price of television set is decreasing day by day, the price of the tube is not cheap, so it is still worthwhile to repair the faulty tube.