I assume that I am deeply ashamed. It was obviously simple. Everything go the right way now. I'm sincerely gratefull to you, many thanks, Guillaume

Hi all, I had the chance to find the same Beocenter 7700 with a Beogram CD 4500 and a pair of Beovox S2400 in the new appartment I bought. I'm quite a lucky man. But I can only got sound with the CD player. Nor the tuner neither the turntable give sound whereas both seems to works well. The turntable process is ok and I even can hear a tiny sound