Samsung HL-T Power cycling problem

Samsung HL-T5687 LED DLP, the TV powers up fine then after a few mins turns off and on continualy. The TV showed no problems before hand I did replace the Red LED about a year ago and have had no problems or lead up indication to this new problem. Please post any knowledge you may have here or at avsforum.com my username there is samfooey.

• #science_technology
• #samsung
• #dlp
• #led
• #hlt
• #power