Pioneer Model VSX-1021-K Stereo Reciever Repair

This video details that aspect of troubleshooting that involves systematically eliminating potential sources of trouble until the root cause is determined. In this case, a 2011 Pioneer VSX-1021-K surround sound stereo receiver did not have any power. A unique method of troubleshooting using a temperature probe revealed a single zener diode had shorted out causing the standby switching power supply to go into protection mode and not start up. (2/14/2015)