Electronic service technicians install, maintain, and repair household / business electronic equipment, inspect and test electronic equipment, components, and assemblies, diagnose and locate circuit, component, and equipment faults, adjust, align, replace or repair equipment, assemblies or components by following equipment manuals / schematics, and use soldering tools and other hand / power tools.
Electronic service technicians usually work for electronic service / retail establishments, wholesale distributors or within service departments of electronic manufacturing companies.
Here are some schools that have programs related to this career: