Onkyo Receiver No Output HDMI Board/DTS Chip Repair

Onkyo TX-NR808 7.1 THX receiver repair a common solder fatigue issue we are doing a basic reheat to attempt to get the chip to re seat And bga reflow. A big portion of the success of this repair is being able to test to see if it's the issue and to really be able to measure the temperature accurately. Also show how to factory reset and enter engineering mode. Integra receivers also had some issues with this . .