看了1999年第10期第8页“彩管”管座引起的特殊故障,本人前段时间也遇到过两例(同型号),都是因管座引起的。现象为刚开机时图像模糊,数十分钟后图像才清晰,可以肯定是管座引起。于是换上新管座,开机,发现屏幕为蓝色,带有回扫线,略有较暗的图像。此时,作出两种分析:一是显像管有不同之处(此型号为 Looked at 1999 No. 10 Page 8 “CPT” socket caused by a special fault, I have also encountered two cases (same model), are due to the tube seat. The phenomenon is blurred just after boot up, after a few minutes the image was clear, it can be sure is caused by the socket. So put the new tube seat, boot, found the screen is blue, with a retrace line, a slightly darker image. At this point, made two kinds of analysis: First, there are differences between tubes (this model is