When I turn my Bose onto any source, it has started turning the sound off after a few seconds. If I turn it off and on again, I get sound again for a few seconds. Sometimes it seems to stay on for a couple of hours after I turn it off and on enough times, but I can't understand what is happening. If I turn it off again I am back to square one, and the same thing seems to happen if I alter the volume - though I am not certain about that, it may be coincidence. Any ideas please?
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I have had this happen several times now. Unplug the Bose power plug for a few minutes, then plug the power back in and turn the Bose back on. It has reset the Bose unit everytime and the audio is back.
1) Switch the unit off completely, using the powerswitch on the back of the bass box.
2) Switch the unit back on via de switch on the bass box.
3) The display should read BOSE 321 and than be dark.
4) Insert a CD and switch the unit on with the remote by selecting the CD/DVD mode.
5) When the sound is now OK, it means that you need to contact Bose to ask them for the latest software update for your unit. After updating your system. The problem will not reoccur.
6) in case the problem continues and at start-up using a CD, no improvement of sound is heard, the system should go into repair. Contact Bose in your country and ask for return instructions.
It sounds like that fuse is supplying power to more than just the amp and is being shorted out in the START mode. Normally I would think the power to the sound system would be cut off by the ignition switch in the START mode. Try to find out what else that fuse supplies power to. You can disconnect suspected trouble areas to see if that helps locate the source of the fault.
It could be bad soldering joints inside the unit. If the unit is moved and comes back on then it will be definitely that!
Otherwise it could be some device which is heating up due to failure and shuts down when it gets to much. When it cools down it starts working again.
It sounds like the speakers are either peaking and shutting down or they are dodgy. Check the volume going into the speakers and turn it down see if that works, otherwise take the speakers back. It might be worth trying a different set of speakers as well
This was posted a while ago, so I'm sure it's probably been solved by now.
For anyone with audio issues using this or any other Lifestyle system:
If you experience audio problems (no audio, intermittent audio) from more than just 1 source (especially if it involves internal sources like DVDs or the radio) then just reset this by unplugging the power for about 30+ seconds from the bass module and the media center DC power. Check the audio input cable (multi-pin din going from the media center to the bass module) for bent pins.
If this doesn't solve the problem, you could try replacing the input cable, but those are usually pretty robust. You could call Bose at 800-367-4008 for tech support or to set up a repair if this fails.
Hi, best practice when troubleshooting a no-sound Bose Lifesytle system is to first begin with the internal sources (i.e. the AM/FM). Bose Lifestyle system when connected properly (media center and bass box via the data cable) should show a steady green light underneath the bass module. Begin by simply playing AM/FM tuner and try to increase the volume till 45 (normally the sound becomes audible at this level). If the system still has no sound, then try to check if the bass module is steady green. When you see a blinking green LED (slow green) then do kindly check the DIP siwtch (red latch switch with white mini switches) just beside the Light and data connection. All of the switches should be in "ON" position (basically toggled upwards with the arrow marking indication). Before changing DIP switch settings do ensure that the bass module is not connected to the electrical power. after ensuring that all DIP switch are in the "ON" position, connect the data cable firs and then power up the bass module. Then you should see the bass module blink green twice and once you turn on the nedia center, the green blinking should turn steady green. That should sort out your problem.
Also do note tha this procedure applies only to Series II Lifesytle System and does not include the Series IV (with the smaller bass module).
If all still fails, there is an internal problem with the bass module which would require servicing.