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贵刊2002年2期56页“问与答”栏目对2001年8期例5问题的解答中,几位教师就菊花C472型彩电刚开机(即冷态)时正常,收看30min(分钟)后(即热态)产生“三无”的故障,分别指出了应重点检查的元件及部位:行输出管、行输出变压器、行推动管、行推动管集电极限流电阻、行S校正电容,行偏转插座焊点虚焊。前不久,笔者检修一台长虹
In the answer to the question of Example 5 in August 2001, several teachers on the Chrysanthemum C472 color TV just boot (cold) normal, watch 30min (minutes) (Ie, hot state) to produce “three no” fault, respectively, pointed out that the key components should be inspected and parts: line output line, line output transformer, line push tube, line push tube collector current limiting resistor line S correction capacitor, Row deflection socket weld Weld. Not long ago, I overhaul a Changhong