First you need a cheaper DVI-I to VGA converter, then you can use the LinQ cable (available for less than 10€ on ebay) but it needs to be modified, because it has wrong switch/sync connections and the audio cable is completely missing:
- You must move yellow and white cable from pin 10 and 12 (D2B in and out) to the pins 16 (switching) and 20 (Composite Sync)
- There is also a ground (blue) pin that should be moved from pin 4 to pin 18
- If you want to use also SCART Audio you should connect also a stereo jack/cable to pins 2,4,6.
In few words the cable should be modified to become a M*ST cable that is perfectly compatible.