... switch circuit defect；开关电路故障 switch circuit fault；开关电路故障 switch collar；开关安装环[卡圈] ...
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The working principle of colour TV supply source circuit and fault analysis were described. Some maintenance examples are helpful for repairing other switch supply source circuits.
介绍了彩显电源电路的基本原理及故障的分析和维修实例，对维修其它开关电源电路具有借鉴作用。
The principle, structure, common troubles, solving fault about thermo-switch are introduced and thermo-switch related circuit diagram as well as general inspecting flow for failures are analyzed.
介绍热敏开关的工作原理、结构形式、常见缺陷模式、解决措施，分析热敏开关相关电路和常见故障的查找过程。
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