Troubleshooting Guide; Processor Reset - Harman Kardon AVR 525 Owner's Manual

TROUBLESHOOTING GUIDE
SYMPTOM CAUSE
Unitdoesnot function whenMain
Power S witchis pushed
SOLUTION
Display l ights, b ut nosound
or picture
• NoAC Power
• Makecertain ACpowercordis plugged into
a liveoutlet
• Check to seewhether o utletis switch-controlled
Unitturnson, butfrontpanel
display doesnot lightup
Nosoundfromanyspeaker;
lightaround power switchis red
Nosoundfromsurround or
centerspeakers
Unitdoesnot respond to
remolecommands
• Intermittent inputconnections
• Mute is on
• Volume control i sdown
• Display brightness is turned off
• Amplifier i s inprolection mode
dueto possible short
• Amplifier i s inprolection mode
dueto internal problems
• incorrect s urround mode
• inputis monaural
• Incorrect configuration
• Stereoor Monoprogram material
• Makecertain thatall inputandspeaker c onnections
aresecure
• Press Mute Button
• ]urn up volume control
• Follow the instructions inthe Display B rightness s ection
on page36 so thatthedisplay is setto VI= ]) I= UL L
• Check speaker w ireconnections f orshorts at receiver a nd
speaker e nds
• Contact y ourlocalHarman Kardon service center
• Selecta modeotherthanStereo
• ]hereis no surround information f rommonosources
• Check speakermodeconfiguration
• ]he surround decoder m aynotcreatecenter- o r rear-channel
information f romnonencoded p rograms
• Weakbatteries i nremote
• Wrongdevice selected
• Remote sensorisobscured
• Change remote batteries
• Press theAVRselector
• Makecertain %nt panel s ensor i s visible to remote
or connect r emote sensor
Intermittent buzzing intuner • Local i nterference • Moveunitor antenna away%m computers, fluorescent
lights, m otorsor otherelectrical appliances
Letters flashinthe channel indicator • Digital a udiofeedpaused • Resume p layfor DVD
display anddigital a udiostops • Check thatDigital I nputisselected
Processor Reset
Inthe rarecase wheretheunit'soperation or thedis
plays seemabnormal, the cause mayinvolve theerratic
operation of thesystem's memory or microprocesson
]b correct t hisproblem, firstunplugtheunit%m the
ACwalloutlet a ndwaitat leastthreeminutesAlterthe
pause, r econnect the ACpowercordandcheckthe
unit'soperationIfthe system stillmalflJndions, a sys
ternresetmayclearthe problem
1ocleartheAVR525's entiresystem memory includ
ingtunerpresets, outputlevel s ettings, d elaytimesand
speaker c onfiguration data,firstput theunitin Standby
by pressing theSystem PowerControlButton P"],
Next, p ressandholdtheSurroundMode [] and
the TunerModeSelector[] buttons for three
seconds
]he unitwillturnon automatically anddisplay the
R ESE T message inthe MainInformation
Display[]
NOTE: R esetting t he processor will erase anyconfigu-
ration settings youhavemade for speakers, output
levels, surround modes, d igitalinputassignments as
wellasthe tunerpresetsAftera resetthe unitwill be
returned t o thefactorypresets, andallsettings for
theseitemsmustbe reentered
Ifthe systemisstilloperating incorrectly, theremay
havebeenan electronic d ischarge o r severe ACline
interference t hathascorrupted the memory or
microprocessor
Ifthesestepsdo not solve the problem, consultan
authorized k tarman Kardon service center