I have denon 3802 connected via component to pioneer plasma watching sky. Occasionally i loose one of the colours (screen goes green). If i turn the denon of and back on it seems to clear the problem. Anybody have any ideas ?? it has only started happening over the last month or so.. Sky is connected to Quintro via scart to scart. Quintro is connected to Denon via JS rgb box. I have checked all cables, and all seem ok. ie, when cables are touched problem is still there..