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长虹CK53A型彩电接收不到有线电视增补频道的节目。要接收有线增补频道,需将原机的高频头(型号:TDQ—2)更换为增补高频头TDQ—CATV(最好是连续频率 47～870MHz)。由于TDQ—CATV与TDQ—2引脚排列顺序,波段选择3个引脚工作电压及体积等各不相同,故不能直接代换。可对原线路稍作改动便能代换,且其接收的电视节目要比使用B/C转换板代换效果更好些。需
Changhong CK53A color TV can not receive cable television programs to add channels. In order to receive the cable supplement channel, it is necessary to replace the original tuner (Model: TDQ-2) with the additional tuner TDQ-CATV (preferably continuous frequency 47 ~ 870MHz). As TDQ-CATV and TDQ-2 pinout order, the band selection of three pins voltage and volume vary, it can not be directly replaced. Can change the original line a little change can replace, and its reception of television programs than the use of B / C conversion board substitution effect better. need