电话机已走了千家万户,成为家用电器中又一新成员。由于电话机生产厂家众多,电话机型号、品种、功能繁多,所以它们的电路图数量很多,较复杂的如无绳电话说明书不附电路图,即使有电路图,要在它的双面电路板上的贴面元件上,去找损坏元件的型号也是件难事。 Telephone has gone tens of thousands of households, becoming a new member of household appliances. Due to the large number of telephone manufacturers, telephone models, varieties, functions, so a large number of their circuit diagram, more complicated, such as cordless phone manual does not attach the circuit diagram, even if there is a circuit diagram, to be in its double-sided circuit board affixed Surface elements, to find the type of damaged components is a difficult thing.