Question about Sangean ATS 818 AM/FM/SW Radio

4 Answers

ATS 818 Inoperative

Appears to be "locked up"; key image on top of display but lowering the LOCK switch on the side of the radio doesn't help. Using ac adapter for power - display light works so power seems OK.. House power off for a while, then on so may have been power surge ? Where can I get a schematic ?

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  • Manny  De Guzman, Jr.
    Manny De Guzman, Jr. Apr 21, 2008

    I need a schematic diagram too for the Sangean ATS 818 (a.k.a Realistic DX 390). I have a unit with very weak receive. There's few documentation of this shortwave radio. I searched also under Realistic DX 390, and got a fix: replace the front end FET transistor Q1 (2SK30A, unavailable replaced it with an MPF102). It works but still is static prone, and after a while the FET was blown again. Unfortunately, I got the board and foil burnt out due to constant replacement of that part, and the surface mount devices already fall off. I need the schematic to reconstruct the circuit board. Or if anybody can post a good schematic for a RF amp for reception on Shortwave and AM, that might work in place of the front end.

    Thanks a lot!

    mannydeguzmanartist
    MANNY DE GUZMAN, JR.
    SoundMagik Home Studio
    Manila, Philippines
    Site Creator, TEEN MODELS 2007
    http://teenmodels2007.wetpaint.com/

  • bearrug Jun 27, 2008

    I have a sangean ats818 radio,when i push the power button it just flashes the E,When i try it with new batterys it does the same thing even if i unplug the power cord and just use batterys.

  • Manny  De Guzman, Jr.
    Manny De Guzman, Jr. Oct 12, 2008

    I guess that's the right schematic for the ATS 818 front end. Thanks
    for the post, but I can't read it, the image resolution is too small.
    Can you please send me the link of the image instead so I could the
    high resolution copy?



    Thank you very much for your assistance!





    "mannydeguzmanjartist"



    MANNY DE GUZMAN, JR.

    SoundMagik Home Studio

    Manila Philippines

    Site Creator, TEENMODELS2007
    http://teenmodels2007.wetpaint.com/

  • wade_97 Jan 09, 2009

    Sangean ATS 818 radio worked fine. Now Power Button does nothing. The clock and the light work fine. Any fix? thanks.

  • Manny  De Guzman, Jr.
    Manny De Guzman, Jr. May 11, 2010

    I guess that's the right schematic for the ATS 818 front end. Thanks for the post, but I can't read it, the image resolution is too small. Can you please send me the link of the image instead so I could the high resolution copy?

    Thank you very much for your assistance!


    "mannydeguzmanjartist"

    MANNY DE GUZMAN, JR.
    SoundMagik Home Studio
    Manila Philippines
    Site Creator, TEENMODELS2007
    http://teenmodels2007.wetpaint.com/

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Unplug AC adapter from radio. Remove ALL batteries. Wait 15 min. Reinstall batteries

Posted on Sep 06, 2009

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I believe this is what you are looking for.

ATS 818 Inoperative - 8206eb1.jpg

Posted on Oct 11, 2008

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Replace the Q1 diode on printed ctrcuit board

Posted on Mar 30, 2008

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If they have them Sangean will sell a schematic. You can e-mail the service people by going to their contact page and in the subject choose Service.

Posted on Mar 20, 2008

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