Internal capacitors can hold lethal charge for minutes after power-off. Only qualified technicians should attempt repair.
A frequent failure point where the low-voltage control rails (+/- 7V) remain functional, but the high-voltage rail for the speaker fails, resulting in a subwoofer that has power lights but produces no sound.
If replacing with a generic 48V supply, you must still provide the ±7Vplus or minus 7 cap V rails for the input stage and standby logic to function.
The system randomly shuts down or restarts due to voltage drops.
Typically provides multiple voltage outputs to power different parts of a system simultaneously.