HI,Just got hold of one of these expander boxes, using with a AV9000  with digital box, and DVD player.

Sadly, it seems faulty, the red light does not come on when a 12volt DC supply is prescent at the jack plug input.

Will not let any TV or DVD signal though to the Beovision AV9000 monitor.

Opening up the unit reveals a main circuit board with a couple of Philips chips on it, oddly, there is a small extra circuit board thats been added later on by the looks of it, and by hand,

Its a narrow long board, stuck on the main board with 2 sticky foam pads, theres a white plug connector with a wire bundle coming out of it soldered to various points on the main board,

Also a resistor has been added, theres a small white sticker next to the extra board saying  BNL   HIS  not sure what that means?

its definately been added later on by hand.

The extra board is a bang&olufsen unit though, says so on it. H6143118 VERSION A

ON the main board there is a sticker saying MODULE TESTED BY BANG&OLUFSEN.

Any ideas?

I'd add some pictures, but not sure how to on this site.

regards<
Phil