论文部分内容阅读
ＢＹ－２５Ｓ电子闪光灯不闪光维修一得 最近，笔者接修了一只不闪光的ＢＹ—２８Ｓ电子闪光灯，情况稍殊，报道如下。 故障现象：有充电指示，但指示灯亮起时间明显延长，不能闪光。 检查：工作状态下数字表测量，氖泡亮起时Ｃ２（主电容）电压最高为２６０Ｖ，Ｃ３（触发电容
BY-25S flash does not flash a flash repair Recently, the author took a flash BY-28S flash, the situation is slightly, are reported below. Symptom: There charging instructions, but the indicator light significantly longer time, can not be flashing. Check: working under the conditions of digital meter measurement, neon bulb light up C2 (main capacitor) voltage up to 260V, C3 (trigger capacitor