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松下(National)TC-2173DR及TC-1873DR型等遥控彩电采用松下M15L机芯,其高频头型号为ENV-79805F2。由于上述型号的彩电高频头接收范围不包括我国有线电视台播出的增补频道,致使现在很多该型号的彩电用户无法收看到有线电视台在增补频道播出的节目。 笔者查阅了TC-2173DR及TC-1873DR型两种彩电的基本原理图,发现这两种型号彩电的高频头为C型,引脚排列与国产的TDQ-3型完全一致。于是设法购得
Panasonic (MITSEL) TC-2173DR and TC-1873DR-type remote control TV using Panasonic M15L movement, the tuner model ENV-79805F2. As the above model of the TV tuner does not include the receiving range of China’s cable television broadcast of the additional channels, resulting in many of the current model of color TV users can not watch the cable station in the additional channel broadcast programs. The author consulted TC-2173DR and TC-1873DR-type two basic principles of color TV, found that the two models of color TV tuner for the C-type, pin-out and domestic TDQ-3 type exactly the same. So managed to buy