Question about Roland Boss BR 900cd Digital Recorder BR 900

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Boss br 900 cd low battery warning even when using mains adaptor

Even with no batteries in machine

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Posted on Jan 02, 2017

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SOURCE: Boss br 900cd! pls help

If it does not power up, it is likely going to be a faulty or severly dirty switch contact or a failed capacitor in the power supply. A shot of contact cleaner is usually enough to rectify the first issue, The second issue you need to locate the part at fault and replace it.

Posted on Apr 27, 2012

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Boss br 900cd! pls help


If it does not power up, it is likely going to be a faulty or severly dirty switch contact or a failed capacitor in the power supply. A shot of contact cleaner is usually enough to rectify the first issue, The second issue you need to locate the part at fault and replace it.

Apr 26, 2012 | Roland Boss BR 900cd Digital Recorder BR...

1 Answer

Using generic battery adaptor on Digital recorder


Others have had problems doing so. I would get one specifically for the unit. One person got an adapter with an "S" suffix and that DID NOT WORK.

Get the exact replacement for this particular device as called for in your manual.

Mar 07, 2010 | Boss Micro BR Digital Recorder

2 Answers

Mine now eats batteries and needs at least 4.5 volt mains adaptor to power up. It was connected to a 9 volt adaptor at one stage.


Try this link:http://www.rolandus.com/products/productdetails.php?ProductId=818 Note the info under Power Supply,Current Draw and Expected Battery Life. Compare the specs to the results you are getting. Note that "The time may vary according to usage conditions, batteries used and type of SD memory card used." Here is a link to their support:http://www.rolandus.com/products/productdetails.php?ProductId=818&tab=downloads&skip=true If you didn't use the exact adapter recommended you may have damaged the circuitry and will have to have it serviced. It is definitely not something you can do yourself unless you have equipment to work on surface mount technology. The required adapter is listed in the info at the first link.

Mar 03, 2010 | Boss Micro BR Digital Recorder

1 Answer

Why is it that the buzzing heavily increases when I play and record guitar while the recommended AC adaptor (the PSA-120S) is plugged in at the same time? Do I need to get a rechargeable battery?


Rechargeable batties do NOT work well in things requiring a full 9 volts.

OFTEN the fault is with the guitar pickup being sensitive to magnetic fields around it.

Wall tranformers/adaptors are some of the WORST of the magnetic field emitters.

Dec 30, 2009 | Boss Micro BR Digital Recorder

1 Answer

I bought a used BR 532 Boss recorder - can't get a


I get an unformatted come on the screen on my Boss BR 532 when I swith on, and also when pressing record, although I can get drum machine to work and guitar go through it ok but no recording Hmmmm Erggg

Nov 16, 2009 | Boss Micro BR Digital Recorder

2 Answers

What do I need to burn a cd from my pc with the br 1180


This Is real simple grab a cable that goes from rca jacks to a headphone jack then plug the rca jacks into the br-1180's audio out jack and then plug the other end into your computers mic port.
Download Audacity From www.Audacity.com and then use it to capture you audio and then you can burn that when complete.
Its real simple I do it all the time even though I have the br-1180cd the cd burner burns real quiet so I don't use it. The cable can be bought at radio shack, best buy, wal-mart and I have even seen them at 99 cent only stores.
If you have more question let me know This Is my main unit so I know a lot about it.
Sincerely,
Michael Scott

Apr 29, 2009 | Boss Micro BR Digital Recorder

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