Eternal power supply stopped charging battery. Laptop continued to work till battery drained. External power supply is fine 19 volt. Removed Mother Board and found that the +19 volt travels from the input jack immediately to a printed circuit board device marked EC-51 but the power stops there. My question is what is this device. Is it a fuse, diode, or other electronic device and can I replace it or jump it out? If I connect the battery to the Mother Board it powers up fine.
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Re: Acer Aspire 5740-6025
Can you post a picture from that.The Night Drop Down, I Will Keep Try Until..., You Never know.
Dushi Kòrsou, Nos Tei. -
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Re: Acer Aspire 5740-6025
Here are a few pictures of that fuse or diode, hope you can tell.
Attached FilesComment
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Re: Acer Aspire 5740-6025
its not diode or fuse. its ceramic capacitor
the schematic is suitable for your board? if so, then try check D10, U28,U29 if them shorted. check it with DMM in diode mode without power adapter and batteryLast edited by meritosari; 06-17-2015, 06:02 PM.Comment
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Re: Acer Aspire 5740-6025
Thanks, I'll check those items.Comment
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Re: Acer Aspire 5740-6025
Sometimes a pic can make the difference.The Night Drop Down, I Will Keep Try Until..., You Never know.
Dushi Kòrsou, Nos Tei.Comment
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