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ISO1050的端口损坏原因

Other Parts Discussed in Thread: ISO1050

使用1050TIISO1050DUBR,已全部投入生产,目前成品控制器有几百台进入市场,各大整车厂家在测试样机。近期退回2台控制器。

问题:连上控制器不通讯,经过我们技术用万用表测量,确定是ISO1050的端口损坏了,请分析下,尽快给出回复