Compaq cq60 need help

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  • ry x hunter
    Senior Member
    • Jun 2013
    • 184
    • philippines
    #1

    Compaq cq60 need help

    Hi guys! I received this laptop yesterday for repair the problem is when you press power button power comes on but after a few seconds it turn off automatically and power up again automatically and it bacome stable power but no display on the screen. I try several first aid to isolate the problem but suddenly it doesnt work..

    Ill check input voltage and 18.5 volts is present.. 3v,5v are present..

    After i check some of the component on the mainboard i notice that
    u25 pin 1,2 are fluctuating.. I upload the screen shot of schematic..
    Thanks to all..
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