Aux input for vintage Blaupunkt?

[Nevada71]

I recently saw on www.beckerautosound.com, that they are offering a cable to connect an aux input to Becker Grand Prix and Europa models that had DIN inputs for external cassette units. My ancient Blaupunkt Bavaria also has a DIN input, although I have no idea what it was originally for. I have found that a standard 5-pin DIN cable does not fit as the pins not spaced the same way. Has anyone tried this set-up on a vintage Becker or Blaupunkt?

[donfjohnston]

(nt)

[tjones02]

I have an original accessory Blaupunkt tape deck connected up to my '67 vintage Frankfurt radio... How much are they asking for it??? I'd love to try one. I bet it'll work just fine.

These guys also sell the cable you are looking at...

http://www.oldautoradio.com/

Or maybe Crutchfield can help too...

http://www.crutchfield.com/S-u2A8MGU6x7Z/

[Steve73tii]

I'm just got the parts together to make one of these. It takes a standard 5-pin DIN 270 (not DIN 180, not mini-DIN) with a center pin (the place where I got mine calls this a 6-pin DIN). That, plus a headphone mini plug, cable, and 4.7K ohm resistor... Once I find time to solder it up and test it, I can post the link where I got the schematic.

--Steve

[rtheriaque]

Looking forward to hearing about it!

[Nevada71]

Cool. Becker Autosound wants $28 for DIN-to-minijack, and I have dropped an email to Old Auto Radio. I will post an update once I get it all together.

[tjones02]

How did this work out? I'd love the schematic.

Thanks

[Todd21]

Pardon the french but there is some good info here.

http://users.skynet.be/antique.autoradio/Blaupunkt/Blaup_65-66/CD_MP3b.htm

Todd

[InkaSteve]

Pardon the french but there is some good info here.

http://users.skynet.be/antique.autoradio/Blaupunkt/Blaup_65-66/CD_MP3b.htm

Todd

This is the trick I used to get Aux access to my Blaupunkt, which is monaural. I didn't have a DIN plug so I just soldered the leads to both the "jumper" and a ground pin added with a small nail in position #5 (two leads to jumper 1&2 and the ground to the other #5) on the "Dummy" plug in the back. Works fine, just tune radio to blank spot on dial. I am sure it would work for stereo, just one more jumper wire and ground added in position 6.

[tjones02]

Do you have any updates?

I found a source for the correct 7 pin DIN aux axillary adapter I need for my Blaupunkt Frankfurt US stereo....

http://www.youngtimerradio-shop.de/epages/61037185.sf/de_DE/?ObjectPath=/Shops/61037185/Categories/%22MP3%20/%20CD%20Adapter%22

http://www.youngtimerradio.de/

Found them on eBay.... seller: youngtimerradio

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=400069278398

Mine is now on the way. Will update with my results:)

Cheers,

[kcdonahue]

Tom,

I just made one up for my Frankfurt a few weeks ago. What do you need to know? I can post pics and details tonight when I get home from work.

KC

[tjones02]

KC,

Well, I already hit the buy it now button... and it's only $$$ so.... But the question I do have is did you find the 7 pin DIN plug or make something up?

[kcdonahue]

Tom,

I bought the 6-pin din connector from Digikey for about $1. If you have a Blaupunkt that is stereo (mine is mono) an 8 pin din connector is needed. I also installed a switch on mine to cut off the Aux input.

Links I found helpful:

http://users.skynet.be/antique.autoradio/Blaupunkt/Blaup-Infos-Techn/Blaup-InfosTechn-MP3_2.htm

http://www.vintage-radio.net/forum/showthread.php?t=47576

http://www.vintage-radio.net/forum/showthread.php?t=37599

KC

[tjones02]

Found the "7pin pos din" connector at Digi-Key

http://search.digikey.com/scripts/DkSearch/dksus.dll?Cat=1441934&k=7pin%20pos%20din

Now I get my electrical engineer friend to help draw up a schematic of the one I just bought and I'll post an update with links to buy the parts....

Thanks,

Oh, here's the one I bought....

http://www.youngtimerradio-shop.de/epages/61037185.sf/de_DE/?ObjectPath=/Shops/61037185/Products/1052

MP3/CD Adapter 7pole. DIN connector

Stereo audio adapter for radios as Blaupunkt Frankfurt rally with 7-pin. DIN connector. The plug can always be put on the radio. By inserting the 3.5mm jack of the radio is turned off and the music from the CD or MP3 player to the amplifier given. Delivery: 1xAudioadapter for connection to a 7-pin DIN connector 1xStereo cord 3.5mm jack to 3.5mm jack Note: Does not work with CD changer jack! Model 1052

[bujbot]

Hi everyone,

 

Reviving an old thread so that it can be closed out.  Here is how you wire up the 6-pin DIN on the back of a mono vintage radio to have AUX in (including switchable plug).

 

I used a switching plug so that it's on radio until you plug in something and then it goes to AUX.  I used a mono plug because it's what I had in the house (and it's a mono stereo).  If you want stereo you can likely just short the L and R channels before the 4.7kOhm resistor.  You'll notice that when there is no jack plugged in the radio signal also goes through the 4.7kOhm resistor.  I did not notice a drop in volume due to this.

 

Hope this helps someone in the future:

 

 

(quick edit: when I say "stereo" I mean the stereo/radio/amp head unit itself, not a stereo audio signal)

Edited December 2, 2019 by bujbot
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