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fei yue pai wei bo lu bu jia re gu zhang xiu li
Author(s): 
Pages: 26
Year: Issue:  8
Journal: Family Electronics

Keyword:  微波炉 磁控管 控制电路 控制继电器 主要元件 判断故障 阻值 故障修理 发现问题 高压二极管;
Abstract: <正> 一台飞跃牌WP600型电脑微波炉,通电后显示正常,各功能键输入也正常,但不能加热食物。首先检查磁控管,测灯丝电阻为0,9Ω正常,测磁控管各极对炉体(地)的阻值均正常。查高压电容以及高压二极管等主要元件都未发现问题,判断故障可能在控制电路。查+12V电压正常,检测功率控制继电器K1正常,于是拔
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