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Bricolo 5th June 2004 10:50 AM

Bang & Olufsen connectors pinout?
 
Hi,

I'm looking for the pinout of some B&O connectors
-Audio aux link
-Power link

I've found the audio in for the audi aux link, but I'd like to know where I can take the audio out (without using a scart)

Thanks
Alex

JensRasmussen 5th June 2004 11:15 AM

Sockets in equepment:

Powerlink:

Pin 1 = Power link on; on > 2.5V, off =<0.5V
Pin 2 = Signal gnd
Pin 3 = Left
Pin 4 = Speaker on/mute; on > 2.5V, off =<0.5V
Pin 5 = Right
Pin 6 = Data; High > 3.5V, low < 0.8V
Pin 7 = gnd
Pin 8 = Not used anymore, used to be speaker/amp overload

Audio Aux link:

Pin 1 = Left in
Pin 2 = Signal gnd
Pin 3 = Left out
Pin 4 = Right in
Pin 5 = Right out
Pin 6 = Data; High > 3.5V, low < 0.8V
Pin 7 = Not used

\Jens

Bricolo 5th June 2004 11:24 AM

Thank you! :)

Are all the audio signals at line level?

JensRasmussen 5th June 2004 11:29 AM

The AAL is 2V rms unregulated.
The PL is up to 4 V rms in newer products if I remember correctly

\Jens

Bricolo 5th June 2004 11:32 AM

OK,

What's the difference (appart the voltage) between the various audio outputs?

JensRasmussen 5th June 2004 11:33 AM

AAL is a line signal, unregulated, from source to master

PL is a volume controlled signal, from master to active speaker

\Jens

Bricolo 5th June 2004 11:35 AM

Thank you Jens!

I'll go for the AAL, so

Marekvb 30th May 2008 01:19 AM

Bang & Olufsen Powerlink Control Protocol
 
Hi,

Does anyone know anything about the B&O powerlink serial control protocol? I have a BeoLab 2 and a Beolab 7-4 that I would like to control without using a BeoSound system.

To do this I imagine I would need to know the commands to ramp the volume of the speakers and power on / off commands (if this is done using the data line as well as the powerlink on / speaker on lines). I would also need basic protocol infromation (such as is this RS232, TTL etc).

Any help at all would be appreciated, as at the moment I'm completely in the dark about the serial control of these speakers...

Cheers,

Marek von Bertouch


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