Tighten all the ground screws in the unit. Check all the power output transistors. If any shorted you'll probably find a whole bunch of 2SA988 tiny protection transistors shorted as well, along with some 1/4 W resistors. Replace them all. Gary McCartney McCartney Electronics Guelph Ontario Canada Est. 1984 email: gary (at) number63.ca Avery Boyd wrote: > Would someone have a tip on this Sony receiver model strde435. It power up > for a moment then the protect light comes on. Thanks Avery. > Avery Boyd > 4666B S. Mingo > Tulsa OK 74146 > Phone 918-665-2400 > > ----------------------------------------------------------------------------- > This Email List is Public. Remove: http://www.tech-assist.org/remove.htm > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Email Archives: //www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- This Email List is Public. Remove: http://www.tech-assist.org/remove.htm Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/