Technics SC-CH570 | Hi-Fi System with Faults

Technics SC-CH570 hi-fi system with 3 speakers + 2 speakers (satellites). Functional, but with some faulty components (CD player; cassette decks;) and RCA inputs/outputs produce noise (humming). In excellent condition. Well preserved and appreciated, but stored for many years. Leverage the technology, hardware and software. For interested parties. Hand-delivery. Local pickup, Assistance available for local collection in Ramalde, Porto.