Troubleshooting Guide; Processor Reset - Harman Kardon AVR 135 Owner's Manual

TROUBLESHOOTING GUIDE
SYMPTOM
CAUSE
SOLUTION
Unitdoesnot function whenMain
Power S witchis pushed
NoACPower ,, Makecertain ACpowercordis plugged into
a liveoutbt
• Check to seewhether o utlet i s switchcontrolled
Display l ights, b ut no sound
or pk}ture
Intermittent inputconnections
Mute ison
Volume control i s down
,, Makecertain thatall inputandspeaker c onnections
aresecure
,, PressMute Button
• Turnupvolume control
Unitturnson, but frontpanel _ Display b rightness i 8turnedoff ,, Follow theinstructions i nthe Display B rightness s ection
display doesnot lightup on page28 sothatthe display is setto V F D F UL L
Nosound fromanyspeaker: _/4rnplifler i s it/protection mode ,, Check speaker w ireconnections f orshorts at receiver a nd
lightaroundpower switchis red dueto possible short speaker e nds
Arnplifler is in protection mode ,, Contact y ourlocalHarman Kardon servicecenter
dueto internal p roblems
Nosound fromsurround or _ Incorrect surround mode ,, Selecta modeolherthanStereo
centerspeake/s _,Inputismonaural • Thereis no surround inbrmation from monosources
Incorrect configurallon ,, Check speaker m odeconfiguration
Stereo or Monoprograrn material ,,Thesurround decoder m aynotcreatecentepor reapchannel
infom_ation hornr_onencoded prograrns
Unitdoesnot respond to _ Weakbatteries i nremote ,, Change remote batteries
remote commands _ Wro%deviceselected ,, PresstheAVRselector
Remote sensorisobscured ,, Makecertain frontpanel s ensor i s visible to remote
or eonnect r emote sensor
Intermitlent buzzing in tuner _ Localinterterence • Moveunitor antenna away from computers, fluorescent
lights, m oto/sor otherelectheal appliances
Letters flashinthe channel indicator _ Digital a udiofeedpaused • Resume playtor DVD
display anddigitalaudiostops • Check thatDigital I nputisselected
Inaddition to theitemsshown above, a dditional intormallon o n troubleshooting possible problems withyourAVR155, or installallon r elatedissues, m ayberoundin the listof
"Frequently AskedQuestions" whichislocated in theProduct S upport s ectionof ourWebsiteatwww, h armankardon corn,
Processor Reset
h therarecasewhere theunit'soperallon or lhe dis
plays seemabnormal, the causemayinvolve t he erraae
operation of thesystem's memory or mieroprocesson
Tocorrect t hisproblem, f irstunplug the unittromthe
ACwalloutleta_dwaitat least t hreeminutes. A_ter t he
pause, r econnect theA(} power cold andcheckthe
unit'soperation. If thesystemstillmalfunctions, a sys
ternreset m ay{}lear theproblem
To{',lear the AVR135's entire syslemmemory indud
ingtunerpresets, o utputlevel s ettings, delaytimesand
speaker c onfiguration data,pressandholdtheTone
Mode Button Q buttonbr threeseconds. Theunit
willturnon automatically.
NOTE: R esetLing the processor w illerase anyconfigu
ration setlings youhavemadeforspeakers, output
levels, s urround rhodes, d igitalinputassignmer/ts as
wellasthe tunerpresels Theunitwill be returned to
thetactorypreset,andall settings t ot theseitems
mustbe reentered.
Ifthe systemisshlloperating incorrecfl_, theremay
havebeen an elect/onic disd/arge or severe A(} line
interference t hathascorrupted the mernory o r
mJoroprocesso/,
If thesestepsdo not solve the problem, c onsult a n
authorized H arman Kardon serviee oente[