通常一台彩电中使用的元器件数量均达500只以上,元件损坏后,配不到原型号规格是常有的事,但维修时应该注意的是,其中许多关键元件的电参数不能人为地增减改动、随意地利用手边现有元件进行代换。这样将会导致新的人为故障发生,这不但增大了维修难度,而且可能造成更大损失。举1例说明:一台如意SGC-5403C型彩电,最初出现“三无”故障,经维修后,原故障排除,但 Usually a color TV sets used in the number of components are up to 500 or more, after the damage to components, with less than the original model specifications are common, but maintenance should be noted that many of the key components of the electrical parameters can not be artificially Change changes, free to use the existing components on hand to replace. This will lead to new man-made failures, which not only increase the difficulty of repairs, but also may cause more losses. To give an example: a wishful SGC-5403C-type color TV, the initial appearance of “three no ” fault, after maintenance, the original troubleshooting, but