●一只山城牌石英钟,运行一年半后停走,更换新电池上去也无效。拆开盖壳,取出机芯电路板,检测有关外围元件都正常,后在台灯下烘烤约半小时,重新安装好,走时正常,但一天后又停走了。加温烘烤后能正常运行,说明机芯电路部分是好的,只是由于某个元件受潮,造成电 ● a mountain brand quartz clock, stop running after a year and a half to replace the new battery is also invalid. Open the cover, remove the movement of the circuit board, testing the external components are normal, after baking in the table lamp about half an hour, re-installed, go normal, but a day later stopped. Heating bake to normal operation, indicating that the movement of the circuit part is good, but due to a component damp, resulting in electricity