Good day to all. I need some help finding fault on this laptop. The unit wont turn on. When I attach charger, light indicator on both charger and laptop blinks.
I suspect a short. I removed the nec tokin capacitor because I suspect the short came from there. After changing to 4 tantalum caps, laptop turns on for a couple of seconds and becomes short again. I've checked and removed tantalum caps and found 3 of the tantalum capacitors became short.
After removing tantalums caps, I checked pads and found no unusual reading on meter diode mode. I press power button laptop turns on but ISL95831 is getting hot, this is without tantalum caps.
I removed 2 coils (L2 and L3 not sure) laptop turns on and ISL95831 is not heating up.
Up to this point I'm at dead end. Its hard to trace because motherboard has no label on it. Its possible to do this by a having a boardview which I could not find on the net.
As of now I will try to remove 4 fets at a time (Q513, Q512, Q515 and Q514) This is just my guess. Hope to hear from you guys, Thanks.
I suspect a short. I removed the nec tokin capacitor because I suspect the short came from there. After changing to 4 tantalum caps, laptop turns on for a couple of seconds and becomes short again. I've checked and removed tantalum caps and found 3 of the tantalum capacitors became short.
After removing tantalums caps, I checked pads and found no unusual reading on meter diode mode. I press power button laptop turns on but ISL95831 is getting hot, this is without tantalum caps.
I removed 2 coils (L2 and L3 not sure) laptop turns on and ISL95831 is not heating up.
Up to this point I'm at dead end. Its hard to trace because motherboard has no label on it. Its possible to do this by a having a boardview which I could not find on the net.
As of now I will try to remove 4 fets at a time (Q513, Q512, Q515 and Q514) This is just my guess. Hope to hear from you guys, Thanks.
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