Update July 2025:
The set top box has been working problem-free since last summer. Then all of a sudden it started to turn itself on and off randomly. About 2 weeks ago, it did it once in an evening. The next day it was 3-4 times. After that it was happening pretty much non-stop. In June 2024 I had replaced the capacitors on the power supply board. At the same time I ordered a couple of capacitors for the front display PCB which has the channel digits, status LEDs and IR receiver. I did not change those out at the time. I changed those out, and checked the old ones. One of them had a somewhat...