大家好,有个问题请教一下:
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大家好,有个问题请教一下:
Zheng Xiaoping,
请问你们发现的故障,具体是什么?
I2C还可以正常通信么?
故障:CVBS图像信号输入后,转出的数字信号图像无法显示出来。示波器测试输出D0-D7,部分信号数据明显异常。
I2C可以正常通信。
Zheng Xiaoping,
能否将TVP5150的CVBS输入和外部断开,只测量输入阻抗?坏板子和好板子对比一下,看是否电阻值相差很大。
之前有客户出现过ESD打坏芯片的情况。