Category: audio-visual equipment, home appliances

Question:
29-inch-old color TV, the rear cover inside the “Imidacloprid Imidacloprid Imidacloprid” ground ring is similar to the current or tube sound, good noisy! CRT, or where the problem is not it?

Answer:
This is a discharge sound, if you Coudao front, but also smell a smell of ozone, which is the formation of high-voltage discharge, a cap may be at high voltage discharge, a possible is the ignition coil discharge, shall be promptly repaired, if it is for a high-pressure cap, then we’re OK, is relatively simple, if it is ignition coil at discharge, available PTFE membrane separation.

Answer:
if it is very loud crackling sound,
may be ignition coil ignition,
go and repair bar!

29寸的老彩电，后盖里面“吡吡吡”地响，是类似电流或灯管的声音，好吵！是不是显像管还是哪里出问题了？

分类:家电 视听设备

问题:
29寸的老彩电，后盖里面“吡吡吡”地响，是类似电流或灯管的声音，好吵！是不是显像管还是哪里出问题了？

回答:
这是一种放电声,如果你凑到跟前,还能闻到一种臭氧味,这是高压放电形成的,一种可能是高压帽处放电,一种可能是高压包放电,应及时修理,如果是高压帽的话换一个就好了,较简单,如果是高压包处放电,可用聚四氟乙稀薄膜隔离.

回答:
如果…