Question about Bose Lifestyle 12 System

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Bose Lifestyle 12 version 1

My display is dead. I got no audio. This unit has sat in a box for the last 5 plus years. I just want to get this thing working again. Do you think its possible woth out spending $300.00? What do you think it is? I understand that you are the pro.

Thank You for your help

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  • kevinarr Jan 31, 2009

    Thank You David, I do not get any sound no matter what. Not even from the head phone jack. Do you think the processor is gone and activated all of the system mutes? What do you think?
    I check the fuse inside of the base module and it is still good.


  • Anonymous Feb 16, 2009

    have same system 12 same problem display gone out a while ago but system still worked but now nothing works including additional AUX ATTATCED CD PLAYER was wonder if it could be the AC adapter model number PS51 or could it be amp in base box.

    captn@ cox.net

  • mednicks Mar 18, 2009

    I have the same problem. Display went out long ago, but system worked.
    Now, no audio from speakers or headset jack. The CD player spins, so the unit has power. Where do you get the repair parts?


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Hi, The dead display is possibly down to a capacitor problem, see fixes already covered by me, it's a 33uF capacitor either on the display board or if a newer unit on the main pcb, these cost less than $1 there is only one just change it.
The no audio may be a simple fix, do you have sound from the head set socket?, if yes then look for one of my other fixes on changing a resistor near the control socket, if no then I need to have a think... If the unit has no sound or display after changing the capacitor it could be a power supply fault. Fix the display first and let me know.
Dave

Posted on Jan 29, 2009

  • David_77 Jan 31, 2009

    Hi, I think we need to take this a step at a time. If you are not getting any sound even from the audio socket, the problem will be in the head unit (CD 5) and not the Accoustimass module.

    Does the display now work after changing the capacitor C19 33uF 63v? if no, does the CD spin? if no it could be a power supply fault. Let me know. and then we can take the next step.

    Dave

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