This guide is divided into 4 sections/pages depending on type of defect:page 1)No Green LED Power Light.(LED never turns“ON”)page 2)Green LED Light is “ON”, but Backlight is not “ON”,or only turn“ON & then OFF”.page 3)Green LED Light is “ON”, and Backlight is “ON”, but there is no video/OSD.page 4)Green LED Light turns “ON”, but then turns “OFF”within 10 seconds.Please select the section/page that matches your defect and follow the flow chart.These models & chassis versions are in this guide:P42142-00PLEASE KEEP THIS GUIDE.IT WILL NOT BE PROVIDED FOR EVERY REPAIR.techsupport@sanyotv.comP42142M-00P42142-02P42142M-02SANYOTROUBLESHOOTING GUIDE2012 MODELSP42142-00 / P42142M-00 / P42142-02 / P42142M-022012/03/232012-4A