User Manual: Technics-SL-3-Service-Manual. Technics SL-3 owners manual, service manuals and schematics are for reference only and the Vinyl Engine bears no responsibility for errors or other Read or download Technics SL 3 Service Manual PDF with 20 pages. No login, no charge and no limit. To adjust servo gain and offset voltage. 1) Remove the dust cover and tonearm cover. 2) Remove the turntable platter and control knob cover. operating this product, please read these instructions completely. Technics. DC Servo Automatic. Turntable System. 182. SL-3. Operating Instructions. Manual for Technics SL-3 Turntable. View and download the pdf, find answers to frequently asked questions and read feedback from users.