A Look Inside - Sony Tuner Amplifier STR-DB940
$2/5pcs 2Layer & $5/5pcs 4Layer PCBs: https://jlcpcb.com
A look inside a Sony 5.1 surround sound amplifier/tuner with digital processing features. There's a colossal transformer and heatsink, quality smoothing capacitors, several relays and big fat PCB wires which I assume are grounding links.
More on my new office/workshop - see the full build process on Julian's Shednanigans:
https://www.youtube.com/channel/UCXfDjPehpC7B7lW2JFxeS4w