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. rspencer@sc.rr.com

  • NEATSIE May 17, 2008

    Hi

    I have the BOSE WHICH DOES NOT POWER UP. cAN YOU PLEASE TELL ME WHAT TO REPLACE IN THE SIMPLEST OF TERMS, AND HOW? i KNOW NOTHING ABOUT T HESE. tHANK YOU

  • 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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  • 13 Answers

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

2 Suggested Answers

  • 1894 Answers

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

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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4 Answers

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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