Mitsubishi HD-4001 Media Receiver-Controller FOR MODELS LT-3280 & LT-3780 , Service Manual & Schematics (no one else gives you the Schematics in same price with the Service Manual) • PDF format suitable for Windows XP, Vista, 7 , 8 and Mac • Fully Bookmarked PDF file • Chassis & Electrical • Wiring diagrams • Most Complete Service Manual Available • Numerous Illustrations & Schematic Diagrams • Technical Diagnostic Procedures • Disassembly & Installation Procedures • Written by the Manufacturer • Used by the Dealership Technicians • You can print the specific pages you need to accomplish the repairs required or print the whole manual