Lifestyle® T10 home theater system

Sold from 1990 - 1994

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No audio from product

If your product seems to be set up properly but does not produce sound, try the following:

Be sure the audio input cable is connected properly.

The audio input cable that connects the media center and Acoustimass module may have come loose or is connected incorrectly. For more information on system connections, see Setting up your product.

Be sure the system is set up properly and all connections are secure.

A connection may have come loose or may be connected incorrectly. For more info, see Setting up your product.

In the TV menu, look for applicable audio/sound settings.

Many TVs have a menu setting that allows audio to be sent to speakers other than the TV speakers. In the TV menu, navigate to sound settings and look for a TV Speakers or Audio Output option (or something similar). The TV speakers may need to be turned off and the output may need to be set to Fixed or External Speakers. (Tip: If there is no fixed output option, you might need to turn up the TV volume to max to hear it through your Bose speakers—even if the TV speakers are turned off.)

Check the volume level on the Bose system.

When the system is turned on, its volume slowly ramps from zero to the last level used. If the system was turned off at an extremely low volume, it ramps to a moderate volume level. Pressing the volume button during this process sets the volume and stops if from ramping. If a higher level is desired, increase the volume gradually.

Check that that the correct audio source is selected.

Since there is more than one audio source built-in to your system (i.e. FM and AM radio), be sure the source you want to hear is selected on the system.

Check that that the correct audio input source is selected.

Multiple audio sources are available on your system; be sure the correct one is selected. For example, if the audio device you want to hear is connected to the auxiliary input, be sure that input selected.

Reset your system

A reset is used to correct occasional product issues. It is not something that a product should require repeatedly. For more info, see Resetting your product.

Check the condition of the audio input cable.

Make sure there is nothing broken inside either end of the mini-din connection. Check for any kinks or cuts. If the cable is broken or damaged in any way, replace the cable.

Check the condition of the speaker wires and be sure they are secure at both ends.

Check the speaker wires for any kinks, scratches, cuts or damage. Replace any damaged wires and check that they are securely connected at both ends.

Connect an optical audio cable in addition to the HDMI cable.

Due to CEC and ARC compatibility issues among different brands and models, audio might not work (or might work intermittently) over HDMI. If audio through the HDMI cable is not working, connect an optical cable between the TV and Bose console. The optical input will need to be configured. For instructions, see Connecting other devices to your system.

The Acoustimass Module and Control Console may need service.

If the steps provided do not resolve your issue, the Acoustimass Module and Control Console may need service. Follow the link below for more information on how to service the Acoustimass Module and Control Console. Depending on your product and region, you will be provided a contact number or the ability to setup service online.

Click here to start service
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