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Bose amplifier everything is on and we have no sound. the amplifier has a green light flashing

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No support from Bose other then a "refurb" or upgrade from them!

Posted on Jul 13, 2013

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Posted on Jan 02, 2017

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Bose lsps speaker system


First, please check that you have everything switched correctly. If you still have no audio, any functions, but the unit turns on, you may have DC Offset, meaning a damaged amplifier. For more information, please contact me at audioserviceclinic.com. Thank you.

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Sa3 bose not sound from boselink but external input yes


It depends on the Bose system you connected with the amp and the type of Bose remote you are using?Does the indicator LED at the rear of the amplifier stay solid green when you press the ON button on the remote?If not,check that your room code setting on the remote correspond with the micro switches setting at the rear of your amplifier.

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My bose cinemate 1 sr has a flashing red light and no sound. does not change to green light with sound.


This is a powered sub-woofer, with a complementary sound bar. The amplifier for the sub and the sound bar, are in the sub cabinet. Because there are multiple speakers in the sound bar and sub, there are multiple amplifiers to run them. If any, or all of the amplifiers are damaged, they generally have a condition known as DC Offset. There are sensor transistors on each of these amplifiers, which will "report" a damaged amplifier condition back to a microprocessor(computer inside the Bose system). When this damaged condition is identified, the amplifier will shut down the system, and that red indicator will flash. You will need a professional, audio specific technician, as this is not a DIY repair.

If any of you are interested in having your systems repaired, please contact me from my website, audioserviceclinic.com. Just FYI, this is not a Bose specific issue. The same problem can occur with any amplifier, any brand. Thank you.

Jan 17, 2013 | Bose Cinemate 1 Sr Speaker System

1 Answer

Green light keeps flashing on and off and no sound comes out


there,s a problem at amplifier section.....amplifier is trying to protect speaker from broken down this wat you see (green)...flashing light at dashboard panel......time to change ic amplifier...or repair it ....or replace power transistor

Apr 30, 2012 | Polk Audio Dswpro 660wi 8" Wireless Ready...

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Splice Bose speaker to connect to receiver


Each speaker has two 4 Ohm drivers. Each speaker has a connector with 4 pins. From left to right they are + - - +. Say 1 2 3 4 . If you want a 8 Ohm speaker connect 2 and 4 together. Now 1 goes to your amplifier (+) and 3 to your amplifier (-). In yor case join black with blue. Now red goes to the amplifier red and green to the amplifier black.

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No sound


Theaudio amplifier IC of your device are damaged

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Bose lifestyle no sound


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.

Hope this helps!

Jan 27, 2008 | Bose Lifestyle 18 System

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