K3接触不良,R3或T2初、次级开路,C2开路失效或容量减小,C3击穿漏电或开路失效,闪光灯管损坏。T2可利用原铁心重绕,初级用∮0.22mm漆包线绕18~22匝,次级用∮0.08mm漆包线绕600匝。也可用普通录音机偏磁线圈作次级,另用∮0.22mm漆包线绕20匝作初级。 |
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