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  1. #41
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    Almost same situation here.
    G73SW plugged in, charging but 0mW Charging rate and both batteries never charge.
    It goes like this since a pair of weeks ago.

    I tested the AC Adapter and it actually provides an output of 19,20V.

    I checked the motherboard and nothing is apparently burnt in the charging circuitry.

    When the laptop is on AC, the pinout voltage of the battery bay is the following:

    pin 1: 0V
    pin 2: 0V
    pin 3: 3.3V
    pin 4: 3.3V
    pin 5: 3.3V
    pin 6: 0V
    pin 7: 0V
    pin 8: 0.2V
    pin 9: 0.2V

  2. #42
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    Hi, guttenflax,

    your situation looks pretty similar, yep...

    Please let me know if you'll find any info about more similar cases...

    I’m still not sure, whether voltages you’ve provided were measured with battery attached or detached.
    My pinout voltages (battery detached):
    pin 1: 0V
    pin 2: 0V
    pin 3: 3.06V
    pin 4: 3.35V
    pin 5: 3.35V
    pin 6: 0V
    pin 7: 0V
    pin 8: 1V - 0V )
    pin 9: 1V - 0V (same thing)
    Concerning pins 8-9: 1V immediately after unplugging the battery, decreasing to 0.2V in ~20 seconds and slowly decreasing to zero after it (~2 minutes). Though, sometimes, after I detach the battery, I’ve got 0.2V there.

    I've measured all this with battery detached. Of course, voltages may change once it's attached.
    Last edited by Lezz; 06-14-2013 at 05:49 AM.

  3. #43
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    Update:

    Now most suspects go on the AC adapter.
    Since two days ago, if you plug it to the computer but not to the wall AC socket, it receives 14V from the notebook battery and the green led turns on!

    I opened it and checked a pair of diodes inside but everything is regular apart from a general smell of overheat.

  4. #44
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    I don't have anything like this. For now, it's just because battery voltage is zero. But AC adapter's LED wasn't turning on when battery was only half-dead...

    Though, just by the way, I've got another "phantom power" effect - my active USB hub seem to miss diodes on +5V bus.. So, some laptop LED's are on even if neither AC,nor battery is connected - only those USB hub.

    (Of course, this is not affecting battery charging)

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