carry out diagnostics, fault repair, product health checks, and replacement of failed electronic components. Mr Tech Guy also offers component upgrades such as recapping, power supply improvements, and full service packages for specific audio brands and product series. In addition, the company provides system setup, surround sound and room calibration, and loudspeaker level and distance alignment using manufacturer-specific correction techniques. These services are used by owners of legacy and modern equipment who want functional restoration and configuration support for branded audio systems.