This combi is made by Orion. Shorted HOT. Small, TO-220 style on a small heat sink (location# Q406. part# 2SD2627 Equiv. parts are: 4835 1304 8195, NTE2640. I subbed in a full size HOT# 2SD1879. similar electrically, heavier duty. Runs cool. Heat sink has other holes allowing mounting, bent leads inwards to accomodate holes in PCB. Another tech mail said to also check resistor R520 nearby, goes up in ohms. Should be .82 ohms 2 watts. Mine OK. Phil Bader -- Philip Bader Jan Phyl TV Inc. (estab. 1976) 3420 Recker Hwy. Winter Haven, Fl. 33880 Fax (863) 299-8821 email: tjanphyl@xxxxxxxxxxxxxxx -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.7 - Release Date: 2/10/2005 ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/