Attention all Phillips experts. Sorry, I don't have the model number. The set is dead because the P/S mosfet, Q420, an MTH8N45 is shorted and R424 (0.27 ohms?) has a piece chipped off and is open. Do these commonly fail in this manner for no reason, or do I possibly have a picture tube that is shorting intermittently? I had another Phillips recently (older model) and I repaired bad connections in the horizontal only to have the picture tube arc and take out the P/S 3 weeks later. I was just wondering if it is worth it to take a chance on this one. Would isolating the heater circuit using the fly back wrap prevent the picture tube from taking out the P/S? Thanks. Kevin Wilks Kevin's TV Repair Penticton BC Canada kevintv@xxxxxxx ----------------------------------------------------------------------------- This Email List is accessible to the general public through search engines. Remove: http://www.tech-assist.org/remove.htm Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/