标题: dv2000 intel [打印本页] 作者: 专业人 时间: 2009-11-3 02:16 标题: dv2000 intel hello all,
i have this dv2000 intel 945gm video.the problem is the laptop comes on but the cpu core does not trigger.I have changed the cpu chip max8736a also changed clock gen ic still no core no voltage on the cpu .all supply is okay 3.3v 5v 1.8v 1.05v all okay.one thing i have noticed one you switch on the laptop you cannot power it by the power switch. and there is no 14mhz signal osc of the clock gen ic.where can the problem be anyone please help .
thanks作者: 会员152004 时间: 2009-11-9 16:03
你这个是属于同一个问题,MAX8736A没有正常工作的话,是不会输出低电平的CLK_EN#信号的,没有这个信号,时钟芯片是不会工作的。
首先查8736A的外围工作条件。