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近日修理一台54 cm(21英寸)快乐HC2136A细管径彩电(管子型号为A51JAR90X),其故障为全屏红色,经查,确系显像管红枪碰极损坏。手头有一只粗管(管子型号为A51JSY63X13),查阅有关参数资料,基本符合,着手代换,其步骤如下: 第一步:拆下原视放板上的细管座,粗管座有9个引脚,其中按管座上标的第④、⑿脚剪去不用,留下其余7个引脚,在原视放板上用电钻扩钻二个引脚洞,按
Recently repaired a 54 cm (21 inches) happy HC2136A thin-tube color TV (pipe model A51JAR90X), the failure of full-screen red, the investigation, the Department of the CRT was indeed touched the red pole is damaged. The hand has a thick tube (pipe model A51JSY63X13), access to the relevant parameter information, the basic line, proceed with the substitution, the steps are as follows: The first step: Remove the original board on the thin tube seat, thick tube seat 9 Pin, which according to the standard superscript ④, not cut off the needles, leaving the remaining seven pins in the original board on the board with the drill drilling two pin holes, press