论文部分内容阅读
1.显像管衰老修复经验 电视机收看十几年后,关键部件显像管会渐渐老化,屏幕出现显光慢、亮度暗、图像模糊的现象;实践证明采用下述应急修复方法十分有效。①对14in黑白管灯丝,把其电位从12V提高到16V,可提高亮度与清晰度;②也可适当提高加速极电压,如将100V提到200V,降低阴极对栅极的电压,以提高亮度,即延长其使用时间;③若有的显像管使
1. CRT aging repair experience TV watching a dozen years later, the key components of the CRT will be aging, the screen appears slow light, dark, blurred images; practice proved the following emergency repair method is very effective. ① 14in black and white tube filament, the potential raised from 12V to 16V, can increase the brightness and clarity; ② may also be appropriate to accelerate the acceleration voltage, such as 100V mentioned 200V, reducing the voltage on the cathode to the gate to increase the brightness , That is, to extend its use of time; ③ if some CRT make