Question about Sony PCG-TR3A Notebook

1 Answer

Intermittent AC charging

On my Sony laptop PCG-TR3A the battery charging with the AC adapter is intermittent. The power symbol erratically switches back and forth between "battery power" and "AC power." Replacing the battery made no difference. The AC power supply puts out a steady 16 VDC while charging, as it should. I assume the problem is in the charge controller which must be inside the laptop. I have not been able to find a service manual.
Will appreciate your help.
Berni, briechelx@gmail.com 1-831-601-9199

Posted by on

  • Berni2 Oct 19, 2008

    I don't believe that a loose connection is my problem, because the
    intermittent on/off action is the same whether I wiggle the connector
    or not. Wiggling has absolutely no influence on the erratic charging
    behavior.

    Berni

    briechelx@gmail.com

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  • Sony Master
  • 4,338 Answers

Your DC connector is loose, it needs to be resoldered.
I could not find a free manual, here is are sites that sell it:

http://www.9manuals.com/sony_sm3.htm

http://www.manualzone.com/ReWrite-SPFM-.ESI.M27834461

You may have to copy and paste the link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Posted on Oct 18, 2008

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Posted on Jan 02, 2017

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