Content of this service repair manuals are as follows:
How to repair AVR-689 AV Receiver?
How to maintain and troubleshoot AVR-689 AV Receiver?
dimension, wire arrangement, disassembly, caution in servicing, procedure for checking errors (displaying the protection history), adjustment, trouble shooting, block diagram, level diagrams, semiconductors, printed wiring boards, parts list of p.w.b. unit, exploded view, parts list of exploded view, packing view, parts list of packing & accessories, note for schematic diagram, schematic diagrams
This is the common service repair manuals for Denon AVR-589, 689, 1509, 1519, 1609, 1709 and AVC-1509 AV Receivers.