Manual
Troubleshooting Guide
YourAVR120receiverhasbeendesignedto providemanyyearsof trouble-freeservice.In the eventthat youare experiencingdifficulties,pleasecheckthe
suggestionsbelowfor a possiblesolutionto your problem.Additional informationon the AVR120,includingupdatedinformation anduser hints,isavail-
ablefrom ourWeb siteat www.harmankardon.com.
SYMPTOM CAUSE SOLUTION
Unit doesnotfunction when Main
PowerSwitchis pushed
• NoACPower
• Make certain AC power cord is plugged into
a live outlet
• Check to see whether outlet is switch-controlled
Display lights, but no sound
or picture
• Intermittent input connections
• Mute is on
• Volume control is down
• Makecertainthat all input and speakerconnections
aresecure
• PressMute button
• Turnupvolumecontrol
Unitturns on,but front-panel
displaydoesnot light up
No soundfromanyspeaker;
light aroundpower switchis red
No soundfromsurroundor
centerspeakers
Unit doesnot respondto
remotecommands
• Displaybrightnessis turned off
• Amplifieris in protectionmode
due to possibleshort
• Amplifieris in protectionmode
due to internalproblems
• Incorrect surround mode
• Input is monaural
• Incorrect configuration
• Stereo or Mono program material
• Weakbatteriesin remote
• Wrongdeviceselected
• Remotesensorisobscured
• Followthe instructionsin the DisplayBrightnesssection
on page26 sothat the displayisset to VF ]) FUL L
• Checkspeakerwire connectionsfor shortsat receiverand
speakerends
• Contactyour local HarmanKardonservicecenter,which youcan
locateby visitingour Website at www.harmankardon.com
• Selecta modeotherthan Stereoor Dolby3 Stereo
• Thereis no surroundinformationfrom monosources
• Checkspeakermodeconfiguratioin
• Thesurrounddecodermaynot createcenter-or rear-channel
informationfrom nonencodedprograms
• Changeremotebatteries
• Pressthe AVRselector
• Makecertainfront-panelsensoris visibleto remote
or connectremotesensor
Intermittentbuzzingin tuner • Localinterference • Moveunit or antennaawayfrom computers,fluorescent
lights,motorsor other electricalappliances
Lettersflash in the channelindicator • Digitalaudiofeed paused • Resumeplayfor DVD
displayanddigital audio stops • Checkthat DigitalInput isselected
Processor Reset
nthe rarecasewhere the unit'soperationor
the displaysseemabnorma the causemay
involvethe erraticoperationof thesystem's
memoryor microprocessor.
System Power Control ButtonP'_I.Next,
simultaneouslypressand holdthe Tone Mode
[] and the FM Mode Selector [] buttons
for three seconds,
If the systemisstill operatingincorrectly,there
mayhavebeenan electronicdischargeor
severeACline interferencethat hascorruated
the memoryor microprocessor.
Theunit will turnon automaticallyand display If thesestepsdo not solvethe problem,consult
the RESET messagein the Main an authorizedHarmanKardonservicecenter.
Tocorrectthis problem,first unplugthe unit Information Display I-ii. Notethat onceyou Youcanlocatethe servicecenternearest
fromthe ACwall outlet and wait at leastthree haveclearedthe memoryin this manner,it is to you byvisiting ourWeb siteat
minutes.Afterthe 3ause,reconnecttheAC necessaryto reestablishall systemconfiguration www.harmankardon.com.
powercord andcheckthe unit's operation.If settingsandtuner presets.
the systemstill malfunctions,a system"reset"
mayclearthe problem.
TocleartheAVR 120'sentiresystemmemory
includingtuner presets,output levelsettings,
delaytimes andspeakerconfigurationdata,
first put the unit in Standbyby pressingthe
Memory Backup
NOTE:After a reset,the unit will bereturnedto Thisproductis equippedwith a memorybackup
the factorypresets,andall settingsfor tuner systemthat preservesthe systemconfiguration
memoryand presetsspeakerconfiguration.................................... isacci-
delaytimesand surroundmodememoriesmust dentally unpluggedorsubjectedto a power
be reentered, outage.Thismemorvwill lastfor approximately
two weeks,after whichtime all information
must bereentered.
42 TROUBLESHOOTINGGUIDE










