This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPS65920B VMMC1 LDO 输入电压有,输出电压没有

开始这块板卡是好的,发现串口打印会死掉,就让工厂换CPU   OMAP3520,现在测量 电源IC TPS65920B    VMMC1 LDO   输入电压有,输出电压没有。这个IC没动,其它组电压测试正常,什么原因。