Harman Kardon AVR347 Service Manual

Also see for AVR 347: Brochure & specs Catalog Software upgrade instructions Worksheet Owner's manual

SYMPTOM CAUSE SOLUTIONUnit does not function when Main • No AC Power • Make certain AC power cord is plugged intoPower Switch is pushed a live outlet• Check to see whether outlet is switch-controlledDisplay lights, but no sound • Intermittent input connections • Make certain that all input and speaker connectionsor picture are secure• Mute is on • Press Mute Button• Volume control is down • Turn up volume controlNo sound from any speaker; • Amplifier is in protection mode • Check speaker wire connections for shorts at receiver andlight around power switch is red due to possible short speaker ends• Amplifier is in protection mode • Contact your local Harman Kardon service centerdue to internal problemsNo sound from surround or • Incorrect surround mode • Select a mode other than Stereocenter speakers • Input is monaural • There is no surround information from mono sources• Incorrect configuration • Check speaker mode configuration• Stereo or Mono program material • The surround decoder may not create center- or rear-channelinformation from nonencoded programsUnit does not respond to • Weak batteries in remote • Change remote batteriesremote commands • Wrong device selected • Press the AVR selector• Remote sensor is obscured • Make certain front panel sensor is visible to remoteor connect an optional remote sensorIntermittent buzzing in tuner • Local interference • Move unit or antenna away from computers, fluorescentlights, motors or other electrical appliancesLetters flash in the channel indicator • Digital audio feed paused • Resume play for DVDdisplay and digital audio stops • Check that correct digital input is selectedSurround Back Speaker settings • Multiroom system has been turned on, • Use the OSD menu system to access the MULTI ROOMcannot be accessed, and test tone and the surround back channels were SETUP menu and change the SB Amps setting to MAIN.does not play through Surround reassigned to multiroom operationBack SpeakersThe XM Preview Channel (001) • XM antenna is not plugged in • Make sure you are using a home audio XM antenna moduleis silent designed for use with XM Ready home audio equipment,and that the module is plugged into the XM Radio Jackon the rear panel of the receiver.• XM antenna is not located in such • The XM Antenna module needs to be placed with ana way as to enable reception unobstructed view of the southern sky, or within range of anXM terrestrial repeater. If necessary, purchase an extensioncable from your XM Radio dealer.Unable to activate Program mode • Input Selector not held for at least • The selector will light as you initially press it, and go darkon remote 3 seconds. as you hold it down. Wait at least 3 seconds for the selectorto light up again, and the Program LED will flash.Unable to assign a device to HDMI • Invalid device assignment attempted. • Only the DVD, VCR (includes DVR), cable or satellite (CBL/SAT1 or 2 selectors selector) devices may be assigned to the HDMI 1 or 2 selectors.Remote behaves erratically • Buttons are pressed too hard. • Always press remote control buttons as gently as possible.Additional information on troubleshooting possible problems with your AVR 347, or installation-related issues, may be found in the list of “FrequentlyAsked Questions”, which is located in the Product Support section of our Web site at www.harmankardon.com.TROUBLESHOOTING GUIDEAVR347 harman/kardon41