1。
i repaired the hp 6710 the problem was with the charging ic bq24703 and the kbc1070-nu was chort also. now there is power and everything ok.
but the dell b130 come on for a while and goes off in 3 seconds .i changed the cpu core and also the south bridge the resisteance of northbridge seems ok also voltage any idea on this
2。
the dell dk1 board the moment i switch on the power comes on and goes off in 5second the voltages are all normal except the std voltage 3 and 5 come after we switch on laptop.
thanks again作者: 会员152004 时间: 2009-11-3 11:21
意思大致如下:
1,HP 6710的充电芯片bq24703与KBC 1070-nu 都有短路,已经修复,现在上电正常,但是DELL B130(这个是什么芯片?)开始工作以后3秒内就自动关闭了。我更换了CPU核心供电芯片和南桥。。。北桥的阻值和电压看来似乎都正常。
2,DELL DK1的主板,触发后5秒掉电,所有电压输出正常,待机的3V和5V在按下开关后才出现。作者: 心在飞翔 时间: 2009-11-3 11:27
DELL B130是一款在北美发售的笔记本型号作者: 王宏钧 时间: 2009-11-3 11:41 本帖最后由 王宏钧 于 2009-11-3 14:56 编辑