Question about Bose Wave Radio

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Bose AWR1-1W older version, not Series III, no power, pop when unplugged.

I have an AWR1-1W that won't power up, makes a loud pop when unplugged. I know the fix for the newer version of this radio is the 5vdc power supply transistor. This is the older version with the 3 AA batteries for back up not the 9VDC battery. Do you have any suggestions. I can't even find the 5vdc supply in this radio, do you have a schematic. I have schematic for the series III of this radio but not the older version. If you can offer some info I'd appreciate it. Thanks

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  • 9 more comments 
  • jrsusc1 Mar 18, 2008

    I have the same problem. No power, a pop when unplugged. But mine uses a 9v battery as backup. Any suggestions/help would be appreciated.

  • NEATSIE May 17, 2008



  • tomshields99 Aug 02, 2008

    When unpluuged, short burst of audio, otherwise, seems dead when plugged in.

  • Anonymous Aug 11, 2008

    Model AWR1-1W no power ,lights, sound,makes loud pop when unpluged

  • kg4prk Aug 12, 2008

    Model AWR1-1W no power ,lights, sound,makes loud pop when unplugged...

    When unplugged, short burst of audio, otherwise, seems dead when plugged......

    Found shorted transistor TO-92 package 2SC3792 (near main transformer).

    I bought a 2N2222 transistor from Radioschack and it work's fine

  • postrow Sep 27, 2008

    I have the same problem - no power, but a pop when unplugged. I have no technical skill and would not like to try repairing it myself, but Bose wants $99.00 plus shipping to fix it for me. How much should I really have to pay?

  • cshealy Dec 04, 2008

    Where is R406 Located

  • Anonymous Jan 02, 2009

    will not power up

  • golda123 Jan 07, 2009

    I have the same problem. The Bose AWR-1W older version will not power up and when unplugged it makes a popping sound.

  • bob9517 May 12, 2009

    I do not have a 2sc3792 anywhere
    I do have a M4033G

  • charlesk May 11, 2010

    I have found U402 but do not see R406. Can you help me locate?



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I've got a simillar problem... will be looking into it this weekend. U402 is supposed to be the 5Volt regulator.
The input to U402 is U401 its a 12Volt regulator.
You should check both...

Posted on Apr 04, 2008

  • jjcicala Apr 05, 2008

    R406 (1 Ohm) acts as a fuse for the the input of U402, replaced R406, now the display works and the unit powers up.


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After some checking Q4 c3792 was shorted, Closest I had in stock was a nte85 that matched the specs. Radio works fine after replacing with nte85.

Posted on Sep 15, 2009

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Kg4prc has the right solution. 2sc3792 bad (no display, popping sound when unplugged) replace with 2n2222 or eq. Pay attention to basing diag. Located next to bridge rectifier ( only TO92 pkg xistor on board) excellent!!!

Posted on Jan 01, 2009

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Posted on Jan 02, 2017

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SOURCE: Older AWR1-1W not series III

when you have the back up what suggestion you are asking from us sir?

sir please be specific with what you want

Posted on Mar 14, 2008

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Older AWR1-1W not series III

when you have the back up what suggestion you are asking from us sir?

sir please be specific with what you want

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