Top 20 Bose Companion 3 Series II Multimedia Speaker System (3-Piece) - Graphite/Silver - Page 8 Questions & Answers

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Dear Jose You may need to move a bit away from that spot.Depending on the design of the building,there are "blind spots" that prevents the remote from communicating with the Media Center.If the "no signal from Media Center" remains,please,check the back side of the PMCII and confirm you are using the right one for your Media Center.Region1 Media Center works only with American PMCII with number 27 written at the back while region 2 works with European PMCII with 40 written at the back.The remote can only operate a Media Center that is compatible with it.

Turn volume up

You have something overheating and shutting down. You need to have knowledge of electronics to fix that, do you? You can feel the chips as it plays and see if any get hot. After that, you need some tools you probably don't have, and knowledge that you probably don't have to fix it. yourself. Take it to a repair shop.

You have to check both devices are sending and receiving the signals. Go to the settings on both devices. Make certain the are set to the correct sound you want.

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If you only pull the plug out for 5 minutes this will have nil effect as most systems have a power battery that curves up during use and keeps setting etc during power cuts so until you unplug it for at least 24 hours which is longer than most power cuts the settings put in won't change and go back to factory settings

Have you heard of Google? It is a search engine, enter Bose 321 and look for specifications.

I shouldn't think you should have this problem my wife has both and hers works perfectly when she paired them

Looks like a problem with the lcdscreen I would take it to your nearest qualified repairer who may tell you how much anew LCD screen would cost to replace unless it is under warranty

Possible service manual: https://elektrotanya.com/bose_lifestyle_sa-2_sa-3_amplifier.pdf/download.html https://elektrotanya.com/bose_lifestyle_sa-2_sa-3_amplifier.pdf/download.html

Maybe your cd is not correct type. Check if your player player plays all types of cds. ie CDRW or just CD from shops. all

Possible similar model Bose radio service manual can be downloaded from the link below: https://www.eserviceinfo.com/download.php?fileid=60616

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Have you tried a lens cleaner?

Press and hold the power button on the speaker for ten seconds until you see a flashing blue light and the speaker asks you to select a language.Follow the step by step instruction from here

This is a system fault but unfortunately,you may have to replace either the power or motherboard depending on whether the green LED blinks continuously or completely dead

The subwoofer circuit in your amp will need to be turned on. Look into the speaker settings.

No, just connect the hdmi cable from the DVD to the TV and you will have volume on the TV. The Bose lifestyle system may be ruined, try putting the DVD input into another connection CD Etc. if that doesn't work you'll have to replace the lifestyle component the subwoofer and speakers amy be good and can be re-used or sold. Check ebay sometimes people sell the just the lifestyle without speakers saving you some money.

Dear John I am afraid the DVD ROM of your Media Center needs replacement.However,you may first need to clean the optical lens and see if it works,if not,you will have to contact a Bose Service Technician to replace the DVD ROM