Category: Home Appliances

Question:
my family is always a recent issue of TV toot sound (sound bigger)
TV bought four years, is not the end of life a, there are still electromagnetic interference?
In short, please help! Thank you!!

Answer:
this noise is not a big illnesses, such as not to signal overmodulation
1, AGC in the weeks mismatch, the signal over modulation, tone look, or a change in the new 1.5 per
2, Audio frequency discriminator circuit in weeks detuning. tone look, or a change in the new 1.5 per
good repair, manual fee price should be mentioned 30 yuan less

Answer:
television signal transmission may be a problem.

电视机的问题

分类:家电

问题:
我家的电视机最近总是发出"嘟"的声音(声音比较大)
电视机买了4年了,是不是该报废了,还是有电磁干扰?
总之,请大家帮忙! 谢谢!!

回答:
这种噪声不是大毛病,如不是来的信号过调制
一,AGC中周失谐,使信号过调制,调一下或换个新的1.5元
二,伴音鉴频电路中的中周失谐.调一下或换个新的1.5元
很好修的,手工费价格应讲到30元以内

回答:
有可能是电视信号传播有问题.2007-03-30