If you have recently pulled a Harman Kardon AVR 51 out of storage, picked one up at a thrift store, or are trying to keep your classic home theater setup running, you have probably found yourself asking one question: How do I make this thing work without the original booklet?
: Includes a 5.1-channel surround analog input, digital optical inputs/outputs, and multiple S-Video and composite connections. AVR-51 Technical Service Manual (Includes schematics and part numbers). AVR-51 Schematics (Technical circuit board diagrams). Classic Audio Harman/Kardon AVR-134 Highlights harman kardon avr 51 user manual 134 better
Surround Standards: The unit supports Dolby Digital (AC-3), DTS, and Dolby Pro Logic II, providing compatibility with early digital cinema formats. Lost the Booklet