This problem may be an earthing issue. Are both speakers and pre-amp connected to the same mains power source ?

In the UK the Beocentre 6-26 is shipped with FM & DAB as standard

I was asleep and stayed that way. Not much stops my sleep, except Toby the cat !!

The 4046 is for EU countries and the 4047 is for the UK. The actual controller is the same, its just the 5 volt power supply which is different

Fundementally they are the same, they have different type numbers EU = 9600, UK = 9601 etc but for the Beosystem 3 these are really power connectors etc. I understand that the US & Korea can have an ATSC module as an option. Like most modern B&O and other manufacturers products they are software driven and the country dfferences are set by software

Pekka, Thomas may well be correct about a problem with the tube, but I think a few other things need to be checked first. When you say " Anyway, after about ten minutes, the red color disappeared. Also there is a light grey haze behind everything with about eight horizontal white lines, which are connected to each other with diagonal lines. The

Gar, A warm welcome to Beoworld... You can get most user guides from the main B&O web site under community, you sign up and you can download all sorts of things. However you can also get it HERE

Graham, Now you have raised this point, I do remember something like this in the distance past. I will have to have a look through my old notes..

Many Happy returns from me as well Andy. Have a great day...

If you have an earlier version (Mark I) then it will have a DOT on the button at the 9'oclock position and if it was a Mark II version it would have the letters INT As you appear to have a Mark I version then:- Press DOT then MENU (7) and turn the wheel for handset/base then press OK Turn dial until you see COMMON and press OK