This service repair manual provides comprehensive information for the Epson PowerLite S1 and S1+ projectors, designed for presentation and home entertainment use. These digital projectors are engineered for reliable performance, offering SVGA resolution and manual focus with optical zoom capabilities. They operate on AC power from 100-240V at 50/60 Hz and are intended for indoor use under controlled ambient temperatures. The manual details their UHE lamp technology and various operational modes affecting lamp life.

The purpose of this English-language manual is to guide users through the maintenance, repair, and technical understanding of the Epson PowerLite S1/S1+ projectors. It covers essential product specifications, the theory of operation, and detailed troubleshooting procedures to address potential issues. Furthermore, the manual includes instructions for disassembly and assembly, along with information on the After Service (AS) menu. This resource is invaluable for owners, technicians, and service personnel aiming to ensure the optimal performance and longevity of their Epson projector.