denon

I'm trying to repair a Denon AVR-X4500H home theater receiver. The fans over the heatsink stopped working and it overheated and shutdown into protection mode. Having repaired audio amplifiers in the past, I focused my efforts on checking the power transistors (FETs) first and found one channel...

Electronic knowledge - 4 out of 10 but moving up! Skills - Soldering - 7 out of 10, understanding schematics - 5, following troubleshooting guides - 8 Understanding basic electronic components and concepts - 5-6 Understanding datasheets - 6 Tools - really good variable temp soldering iron and...