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无论是修理比较复杂故障的彩电,或者是改装各种制式的老式彩电,特别是近两年来,市场上经营了很多二手N制彩电,不少人将这些单N制彩电升级改装为PAL/NTSC双制式彩电。在改装中根据机型的不同,需要接入各式各样的电视附加板,例如制式转换板、中放板、解码板、行、场振荡板、场频识别板等,这些板中最重要的是全电视信号(VID)的取点。在没有图纸资料的情况下,尤其是有些老式N制彩电,满肚子
Whether it is to repair complicated color TV sets or to retrofit old-style TV sets of various formats, especially in the past two years, many second-hand N-color TV sets have been put on the market. Many people have upgraded these single N color TV sets to PAL / NTSC Dual mode color TV. In the conversion according to different models, you need to access a wide range of TV add-on boards, such as the standard converter board, in the board, decoding board, line, field oscillation board, field frequency identification board, the most important of these boards The full TV signal (VID) take point. In the absence of drawings and materials, especially some old N color TV, full of belly