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随着彩电、空调、影碟机等家用电器的普及,红外遥控发射器的数量日渐增多,长期使用难免出现各种故障,现把检修遥控发射器常见故障的一些方法,介绍如下。1.送修的遥控发射器要问清遥控器是否受外力碰撞,若有应将遥控器打开仔细检查,观查有无元件脱落,印刷电路板是否断裂。一般只要仔细检查,这类故障不难排除。若无外力碰撞,应检查电池电压是否
With the popularity of home appliances such as color television sets, air conditioners and DVD players, the number of infrared remote control transmitters is increasing day by day, and various faults are inevitable in long term use. Now, some methods for troubleshooting common remote transmitters are described below. 1 repair remote transmitter to ask whether the remote control by external collision, if the remote control should be opened carefully check to see if there are components off, the printed circuit board is broken. As long as the general inspection, such failures are not difficult to rule out. If there is no external collision, the battery voltage should be checked