NC6400不触发,待机.006,无+3VALW,+5VALW,求解!
图是MAX1999,实用MAX8734,断开PJP1后能出+3VALW,+5VALW,电流0.26,证明电路正常,我想问地是:待机是,ON5是哪个控制的?是 KBC_PWR_ON,还是ADP_PRES? 现在是两个都为低,出KBC_PWR_ON的KBC1021换过,出ADP_PRES的B...华人论坛
图是MAX1999,实用MAX8734,断开PJP1后能出+3VALW,+5VALW,电流0.26,证明电路正常,我想问地是:待机是,ON5是哪个控制的?是 KBC_PWR_ON,还是ADP_PRES? 现在是两个都为低,出KBC_PWR_ON的KBC1021换过,出ADP_PRES的B...华人论坛