video playback

I HAVE HAD TO ADD A SCART SWICHING BOX TO MY LCD TELEVISION DUE TO THE FACT I HAVE 5 OTHER PEICES EUIPTMENT WITH AV SCART LINKS MY PROLBEM IS THAT MY SAT RECIVER HAS 2 SCART OUTLET ONE FOR TV ONE FOR VIDEO MY AV SCART LINK FROM SAT RECIVER TO TV IS CRYSTAL CLEAR BUT AV SCART FROM SAT TO VIDEO WILL ONLY GIVE ME PLAY BACK FROM TV TELEVISION R,F SIGNAL AND WHEN I LOOK AT THE CRYSTAL CLEAR AV SIGNAL IT IS ALL GREEN AND RED WHY CANT I HAVE GOOD PLAYBACK FROM MY VIDEO LIKE WHAT I SEE WHEN I AM WACTHING MY SAT RECIVER BY AV SCART