Hello friends : Do someone has the service manual for this combo and check the value off this zener diode D618 it is in the power supply. this unite was made for Sear. Thank you all. Jose R. Paniagua breadywater@xxxxxxx ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.techassist.net/forms/change.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/