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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022
Hello everyone,
I´ve just aquired a lovely 4500 system(no turntable though), and I want to use it on a daily basis but one of my needs is to have my bluetooth adapter (Philips AEA2700) hooked up to the aux and switch on and off with the beomaster. It needs 0.11A at 9 volts which can be found somewhere on the power pcb right after the power relay(1con or p21-1) either lowering the 33V or the 12V . But since I´m new to B&O I am guessing that someone else has already thought of a more elegant solution? My first idea but possible overcomplicated was using the data channel from the aux channel(where I want to hook it up) to trigger a relay or something, but maybe someone has a better idea of how to power a peripheral device?
Greetings, Bram
Many years ago I remember an accessory relay to be connected to the datalink Aux socket or to the PowerLink socket (I am not sure which one anymore) to power up third party devices (typically an external power amp). I will need to look into my archive to find the part nr.
Hi Bram!
The Powerlink connector comes with a default trigger on pin 4! (DC signal for turning on the speakers)
Then simply get a Solid State Relay (Dealextreme ?) and hookup you BT gear to the output!
I would not recommend tapping 110ma/9v anywhere internally!
That sounds great! It would save me from opening her up although I would like to do a recap anyway. But I like the elegance and ease of the ssr and easily lets me hookup other equipment. Pin 4 has 9V constantly at 0.23mA to trigger the ssr am I correct(coming off R154)?
I think this is the accessory that js was referring to above. I have used one of these in the past to achieve the effect you are after: https://www.beoworld.org/prod_details.asp?pid=1246
I simply replaced the connector with a PL DIN plug and made use of the pin 4 trigger.
They come up on eBay occasionally.
That´s it! Can´t find one just like that though. As I make my own PCB´s I don´t mind building a compact version with this relay which looks perfect for it: https://www.conrad.nl/nl/elektronisch-lastrelais-sharp-s-202-s01f-s-202-se1-belastingsstroom-8-a-schakelspanning-250-vac-168130.html .
Thanks so far everyone for the excellent suggestions and help. This is BY FAR the most civilized and helpful forum I´ve ever come across! I´ll post a picture once I´ll have it ready.
Hello to all, just an update: it works perfectly! A very cheap and effective way to make your own relay switch for additional non B&O equipment:
- 1 Sharp S202T02 ssr, 7,50 euro
- 1 case with 220V plug, 2,40 euro
- 1 male/female 2,1mm DC cable 3m, 1,75 euro
- 1 fuseholder 5x20mm , 0,80 euro
- 1 cable socket 220V, 1 euro
- 1 5 pin male DIN plug for powerlink connection, 1 euro
Parts lying around that were used: 1 indicator lamp and some wire, the pcb was made by me, it has the soldering points for a snubber in place, but for the time being it is left out since the load of just the transformer makes it stay on all the time..
All in all a handy device for less than 15 euro.
Thanks for the help, greetings, Bram.
The splittable signal cable is because of it passing through the wall. No way cable trays are allowed near my 4500.