Harman Kardon AVR55 Service Manual

Also see for AVR 55: Owner's manual

Contents

Harman Kardon AVR55 Service Manual Manual pdf 13 page image

Installation and SetupSystem InstallationAfter unpacking the unit, and placing iton a solid surface capable of supportingits weight, you will need to make theconnections to your audio and videoequipment. These steps need to be doneonly when the receiver is first installed,or when a change is made to the inputsource equipment.Audio Input and Output ConnectionsWe recommend that you use high-qualitycables when making connections tosource equipment and recorders topreserve the quality of the signals.When making connections to audiosource equipment or speakers it is alwaysa good practice to unplug the unit fromthe AC wall plug. This prevents any possi-bility of accidentally sending audio ortransient signals to the speakers that maydamage them.1. For playback-only audio sources, suchas a CD player, CD changer, tape deck orphono cartridge, connect the outputjacks of the player to the appropriatelylabeled inputs on the rear panel d e.NOTE: When the source device has bothfixed and variable audio outputs it is bestto use the fixed output unless you findthat the input to the receiver is so lowthat the sound is noisy, or high that thesignal is distorted.1. If a turntable is connected to thePhono input e, connect the groundwire from the cartridge or tone arm tothe Ground terminal §.3. When connecting audio recordingdevices such as cassette recorders, openreel audio tape decks, DAT or MD, con-nect the PLAY/OUT jacks of the recorderto the Play jacks ª ⁄ on the AVR55.Connect the RECORD/IN jacks on therecorder to the Tape Rec jacks • ‚on the AVR55.4. Connect the output of any digitalsources to be used to the appropriateconnections on the AVR55 rear panel.The Optical and Coaxial digital inputs¶ f may be used with either a DolbyDigital (AC-3) source or the output of aconventional CD or LV player’s PCM(S/P-DIF) output. The AC-3 RF inputg may ONLY be connected to the specialAC-3 RF output of a laser disc player.5. Assemble the AM Loop Antenna sup-plied with the unit as shown below.Connect it to the AM and GND screwterminals ¡.6. Connect an FM antenna to theFM (75 ohm) connection ™. TheFM antenna may be an external roofantenna, an inside powered or wire leadantenna, or a connection from a cableTV system. Note that if the antenna orconnection uses 300-ohm twin leadcable, you must use the 300-ohm to75-ohm adapter supplied with the unitto make the connection.7. Connect the front, center andsurround speaker outputs fi to therespective speakers.To assure that all the audio signals arecarried to your speakers without loss ofclarity or resolution, we suggest that youuse high-quality speaker cable. Manybrands of cable are available, and thechoice of cable may be influenced by thedistance between your speakers and thisreceiver, the type of speakers you use,personal preferences and other factors.Your dealer or installer is a valuableresource to consult in selecting theproper cable.Regardless of the brand of cable selected,we recommend that you use a cable con-structed of fine, multistrand copper witha gauge of 14 or larger. Remember thatin specifying cable, the lower the num-ber, the thicker the cable.Cable with a gauge of 16 may be used forshort runs of less than ten feet. We do notrecommend that you use cables with anAWG equivalent of 18 or higher due tothe power loss and degradation inperformance that will occur.Cables that are run inside walls shouldhave the appropriate markings to indicatelisting with UL, CSA or other appropriatetesting agency standards. Questions aboutrunning cables inside walls should bereferred to your installer or a licensedelectrical contractor who is familiar withthe NEC and/or the applicable localbuilding codes in your area.AVR55 120 volt