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So the switch box arrived today.
Although I bought ‘opened never used’ from eBay, here’s a reminder of the type from one of many suppliers: https://www.tvcables.co.uk/2-port-svga-5-pin-din-switch-box-sb-392.html
I opened it up to check the wiring and it appears to be fully switching between all 5 pins of the din inputs (plus of course the added ‘bonus’ of the 15-pin VGA sockets). I think the main rotary switch would be described as at least 20-pole two-way, but I may well have the terminology wrong!
Anyway, I did a quick check with a couple of iPhones and it works well to switch between two-5 pin DIN inputs to a single 5-pin DIN output. It comes in a nice metal case with rubber feet.
Here are some photos:
I did check for ‘crosstalk’ between the two inputs but couldn’t detect anything. I am not sure that I would use it for non-RIAA/pre-amplified turntables due to lack of screened cables, but as a line-level audio switching box I would expect it to be fine – hence perfect for connecting two turntables to the BS9000 as asked in the thread. You would just have to remove pins 6 and 7 from the Beogram DIN plugs, and then use a 5-pin DIN to DIN for the output/input to BS9000.
It would also be quite easy to replace the 5-pin sockets with 7-pin for datalink (or 8-pin for Powerlink) and move some of the cables from the VGA sockets.
Happy to answer any further questions!
Hi, thanks for your reminder. I think I need to find a switch box with 7 pin input instead.
You won’t need 7 pin. Pins 6 and 7 are only for datalink which the BS9000 does not have. You should be able to unscrew pins 6 and 7 from the DIN plugs with a small screwdriver, and then use a 5-pin switching unit – if you can find one.
EDIT: And if you do remove the pins keep them somewhere very safe for future use (or future BeoGram users!)
Hi and welcome to Beoworld!
A strange fault! Can you do all the operations OK from the BeoCenter’s touch panel?
Also is the remote a standard Beo4? (not the ‘Hotel’ version which has reduced functionality). It should work fine with any of the following – which is yours? (click to enlarge and check the button labels)
B&O used to make an aux expander with full 7-pin DIN inputs/outputs as shown below:
I don’t know of any other 5/7 pin switching units.
The alternative is to use DIN to phono adaptors, and then get a switching box like this: https://www.amazon.co.uk/Way-Cd-Aux-Stereo-Switch-Black/dp/B000KVODHA/?th=1
I think Sounds Heavenly used to supply such a box but I can’t find it on Steve’s site – he can probably help with leads.
Hi and welcome to Beoworld!
That does indeed sound like the battery. Here’s the battery that I bought for my BC9500:
It does required careful soldering. Following picture (arrow) shows location in BC9500 – I think it’s the same in BC9000;
Isn’t there a possibility to directly replace the entire cable by dismantling the turntable?
I am not quite sure why you wish to replace the whole cable, rather than simply adding the correct connection. Perhaps the cable has been replaced in the past, and doesn’t have the correct core to carry the additional datalink signals.
Anyway, yes you could open up the turntable and replace the cable. The service manual would help with the dismantling and connections and is available on this site for Silver and Gold members.
Here’s a sneak preview of the correct wiring of the cable (note that this is a mirror image of my earlier diagram – as if looking into the plug and viewing the pins). Pin 6 is datalink.
EDIT: The photo in this post may be useful – you can see the cable entering top right and routed to the front and then left: https://beoworld.dev.idslogic.net/forums/topic/beogram-5500-scraping-sound-any-ideas/#post-7118
