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当用我国制式PAL-D的电视机驨看NV-370-EN录象机重放的节目时,会出现只有图象而没有伴音的现象。这是因为370录象机射频输出信号的图象信号与伴音副载频之差仅为
When watching a program replayed by the NV-370-EN video cassette recorder using a PAL-D TV in our country, there is a phenomenon of only images without sound. This is because the 370 video recorder RF output signal of the image signal and audio only the difference between the carrier frequency