The laptop suddenly stopped working according to the owner, Battery charges ok but the problem is laptop powers off about 5 seconds after pressing power button with no display. After disassembly and further diagnosis I realized that the cpu start getting warn immediately the charger is plugged in without pressing power button. Any ideas on where to check.
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Re: Acer aspire e1-510 power
clean the heatsink fanLast edited by comptech83; 05-24-2016, 06:01 PM. -
Re: Acer aspire e1-510 power
try to replace cpu. is v_core ok?Comment
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Re: Acer aspire e1-510 power
check cpu caps for short becoz normally cpu didt get so hot within power onComment
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Re: Acer aspire e1-510 power
I have checked all the caps and mosfets, all seems to be ok.Comment
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Re: Acer aspire e1-510 power
hi,
friend, this board is equiped with SOC chip (all in one cpu north and south) the typical fault is the usb port stop working, if you format and install new os, the laptop will not turn on again the soc chip will be damadged,
my advise is forgot this board and continue your work, do not loose time;
if you like continue reparing it, you should have; a special tools to program kbc9012 and 1.8vol adaptor for the bios chip, and buy a new SOC chip;
here the schematic diagram for your boad:Comment
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Dear all, I am trying to troubleshoot an Acer Aspire 5 A514-55 that won't power on. I'll describe the symptoms and my findings so far, and I would like to seek guidance and suggestions on possible suspects in terms of cause/component failure. My initial thoughts are battery charger IC and/or ideal diode/MOSFET (that switches between incoming DC and battery power), but I could be totally wrong on this.1) Laptop was working fine on battery, then user realised battery was running low. Plugged in AC adapter but noticed it was not charging (LED on AC adapter plug did not light). Eventually shut down... -
Dear All,
Please really2 need Help on this Acer A515-52G Motherboard Compal EH5AW LA-G521P Rev: 1A.
At first this laptop can on, keyboard light on but no display. Open the motherboard, found out the PQZ3 Mosfet and PUZ3 ic near it burn. Refer picture below. Then I replaced both. All the power rail 3.3,5,1.2, 1.35, 0.8V have power back after i turn on the laptop except for the VCC_GT rail. Voltage at Power Supply showing 0.000A before turn on, after turn on it became 0.5 0.6A. Seem cannot boot and still no display. Then I replaced the PUG1 and mosfet, but the VCC_GT still no power....
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