笔者曾接修过数台赣新牌KG-5401A直遥彩电,故障现象是在屏幕上有噪点和AV字符,但无图无声。有噪点和AV字符,说明彩电已进入AV状态。因该型彩电未装配AV电路,故遥控器上的TV/AV键不应起作用,彩电不应进入AV状态。那么彩电进入AV状态的原因到底在哪里呢? 查看该机线路板.发现与微处理器N_(002)(M50436～560SP)的第(13)脚(即AVIN端)连接的印制线条较 I had to repair several new Gan card KG-5401A direct color TV, the phenomenon of failure is noise and AV characters on the screen, but no picture silent. Noisy and AV characters, indicating that TV has entered the AV state. Due to the type of color TV is not equipped with AV circuits, so the remote control TV / AV key should not work, the TV should not enter the AV state. Then the color TV into the AV state in the end where? Check the machine circuit board found that the microprocessor N_ (002) (M50436 ~ 560SP) of the first (13) feet