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故障现象:伴音极小,把耳朵紧贴喇叭才能听到伴音。分析与检修:分析该机电路图(见图1所示):N240(TDA8362)的⑦脚输出解调后的中频信号,经V246射极
Symptoms: minimal sound, the ear close to the speaker to hear the sound. Analysis and Maintenance: Analysis of the circuit diagram (see Figure 1): N240 (TDA8362) ⑦ pin output demodulated IF signal by the V246 emitter