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机型:康佳T2988P型彩电(以下相同)例3故障现象:图像与伴音正常,面板上的各功能键操作均正常,只是遥控不起作用。分析与检修:因面板上各功能键操作正常,说明CPU具有接收识别用户指令的能力,而且CPU所控制的各接口电路均正常,遥控不起作用的原因只涉及到遥控自身电路。主要包括:
Model: Konka T2988P-type color TV (the same below) Example 3 Symptom: The image and sound is normal, the panel function keys are normal, but the remote control does not work. Analysis and Maintenance: The function keys on the panel are operating normally, indicating that the CPU has the ability of receiving and recognizing user instructions, and the interface circuits controlled by the CPU are normal. The reason that the remote control does not work only involves the remote control of its own circuit. mainly include: