TROUBLESHOOTING GUIDE
SYMPTOM CAUSE
UnitdoesnotfunctionwhenMain
PowerSwitchispushed
SOLUTION
Displaylights,butnosound
or picture
• NoACPower
• MakecertainACpowercordispluggedinto
a liveoutlet
• Checktoseewhetheroutletisswitch-controlled
Unitturnson,butfrontpanel
displaydoesnotlightup
Nosoundfromanyspeaker;
lightaroundpowerswitchis red
Nosoundfromsurroundor
centerspeakers
Unitdoesnotrespondto
remolecommands
• Intermittentinputconnections
• Muteison
• Volumecontrolisdown
• Displaybrightnessisturnedoff
• Amplifieris inprolectionmode
dueto possibleshort
• Amplifieris inprolectionmode
dueto internalproblems
• incorrectsurroundmode
• inputismonaural
• Incorrectconfiguration
• StereoorMonoprogrammaterial
• Makecertainthatallinputandspeakerconnections
aresecure
• PressMuteButton
• ]urnupvolumecontrol
• Followtheinstructionsinthe DisplayBrightnesssection
on page36so thatthedisplayissetto VI= ]) I=UL L
• Checkspeakerwireconnectionsforshortsatreceiverand
speakerends
• ContactyourlocalHarmanKardonservicecenter
• Selecta modeotherthanStereo
• ]hereis nosurroundinformationfrommonosources
• Checkspeakermodeconfiguration
• ]he surrounddecodermaynotcreatecenter-orrear-channel
informationfromnonencodedprograms
• Weakbatteriesinremote
• Wrongdeviceselected
• Remotesensorisobscured
• Changeremotebatteries
• PresstheAVRselector
• Makecertain%nt panelsensorisvisibleto remote
or connectremotesensor
Intermittentbuzzingintuner • Localinterference • Moveunitorantennaaway%m computers,fluorescent
lights,motorsor otherelectricalappliances
Lettersflashinthechannelindicator • Digitalaudiofeedpaused • Resumeplayfor DVD
displayanddigitalaudiostops • CheckthatDigitalInputisselected
Processor Reset
Intherarecasewheretheunit'soperationorthedis
playsseemabnormal,thecausemayinvolvetheerratic
operationof thesystem'smemoryor microprocesson
]b correctthisproblem,firstunplugtheunit%m the
ACwalloutletandwaitat leastthreeminutesAlterthe
pause,reconnecttheACpowercordandcheckthe
unit'soperationIfthesystemstillmalflJndions,a sys
ternresetmaycleartheproblem
1ocleartheAVR525'sentiresystemmemoryinclud
ingtunerpresets,outputlevelsettings,delaytimesand
speakerconfigurationdata,firstputtheunitin Standby
by pressingtheSystemPowerControlButton P"],
Next,pressandholdtheSurroundMode[] and
theTunerModeSelector[] buttonsfor three
seconds
]he unitwillturnonautomaticallyanddisplaythe
RESE T messageintheMainInformation
Display[]
NOTE:Resettingtheprocessorwilleraseanyconfigu-
rationsettingsyouhavemadefor speakers,output
levels,surroundmodes,digitalinputassignmentsas
wellasthetunerpresetsAftera resettheunitwillbe
returnedto thefactorypresets,andallsettingsfor
theseitemsmustbereentered
Ifthesystemisstilloperatingincorrectly,theremay
havebeenanelectronicdischargeorsevereACline
interferencethathascorruptedthememoryor
microprocessor
Ifthesestepsdonotsolvetheproblem,consultan
authorizedktarmanKardonservicecenter