BBK AV311T User manual

servicemanual
AV311T

Catalog
ChapterOneAboutMaintenance
1.1Safetyprecautions
1.1.1Powersupply
1.1.2Precautionsforantistatic
1.1.3Aboutplacementposition
1.2Maintenancemethod
1.2.1Visualizedmethod
1.2.2Electricresistancemethod
1.2.3Voltagemethod
1.2.4Currentmethod
1.2.5Cuttingmethod
1.2.6Elementsubstitutionmethod
1.2.7Comparisonmethod
1.3Requireddeviceformaintenance
ChapterTwoFunctionsandOperationInstructions
2.1FEATURES
2.2ControlbuttonLocationsandExpLanations
2.2.1Frontpanelfunctionsandillustrations
2.2.2VFDDISPLAYY
2.2.3REARPANELILLUSTRATIONS
2.2.4ILLUSTRATIONSTOTHEREMOTECONTROL
2.3BASICOPERATIONS
2.3.1TurnOn/OfftheUnit
2.3.2Mute
2.3.3SelectInputSoundSourceandVideoSource
2.3.4SelectDecodeMode
2.3.5AdjustVolume
2.3.6AdjustChannelLevel
2.3.7AdjustMainChannelTone
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2.3.8SelectEQMode
2.3.9DEFAULT
2.3.10Karaoke
2.3.11Tuning
2.3.12Tuning(Continued)
2.3.13ChannelDelay
2.3.14NoiseTesting
2.3.15SelectSpeakerMode
2.3.16Headphone
2.4ACCESSORIES
2.5SPECIFICATIONS
3.1.1Compositionoftheplayer
3.1.2Functionandfeatures
3.2.1Signalprocessingboard
3.2.2Decodeboard
3.2.3Controlpanel
3.2.7MIC,headphoneboard
3.5.2functionintroductiontoPt2399
3.2.4Powerboard
3.2.5Poweramplifierboardandprotectioncircuit
3.2.6Videoinput/outputboard
3.3.1Servicingcases
3.3.2Troubleshootingflowchart
SectionFiveFunctionIntroductiontoIC
3.5.1functionintroductionto4558
ChapterThreeUnitCircuitPrinciple
SectionOnePrincipleoftheplayer
3.1.3Blockdiagramoftheplayer
3.1.4Signalflowchartoftheplayer
SectionTwoUnitCircuitPrinciple
SectionThreeServicingCases
SectionFourServicingParameter
3.4.1Signalwaveformdiagram
3.4.2Keypointvoltage
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3.5.3functionintroductiontoCd4051
3.5.4functionintroductiontoCd4052
3.5.5functionintroductiontoCd4053
3.5.6functionintroductiontoPt6311
3.5.7functionintroductiontoUTCLM4880
3.5.16functionintroductiontoNe5532
3.5.17functionintroductiontoPt2315
3.5.18functionintroductiontoCs4360
ChaptersixBOMList
6.1SIGNALDISPOSALBOARD
6.2SIGNALDISPOSALBOARDAISEGMENT
6.3DECODEBOARD
6.4DECODEBOARD-SMD
6.5AMPLIFIERBOARD
6.6SURFACECONTROLBOARD
6.7POWERBOARD
3.5.8functionintroductionto74HC04
3.5.9functionintroductiontoLm1875
3.5.10functionintroductiontoTDA2052
3.5.11functionintroductiontoM62446
3.5.12functionintroductiontoAT24C02
3.5.13functionintroductiontoL7805
3.5.14functionintroductionto7812
3.5.15functionintroductionto7912
3.5.19functionintroductiontoCd4094
3.5.20functionintroductiontoCs5340
3.5.21functionintroductiontoCs8415
3.5.22functionintroductiontoCs49326
ChapterFourDisassemblyandAssemblyProcess
ChapterCinquePCBboard&Circuitdiagram
SectionOnePCB
BoardSectionTwocircuitdiagram
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6.8MICROPHONEHOLDERBOARD
6.9VIDEOFREQUENCYBOARD
6.10REMOTECONEROLLER
6.11PANELUNIT
6.12PROGRAMCPU
6.13SNLABEL
6.14SUPPLEMENTMODULE
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ChapterOneAboutMaintenance
1.1Safetyprecautions
1.1.1Powersupply
1.1.2Precautionsforantistatic
Whenservicingaudiopoweramplifier,theservicingpersonnelpayspecialattentiontothepower
boardwith220VAC,orelsetheimproperoperationwillleadtobodydamage.Thealternatecurrent
whichoutputstopoweramplifierboardthroughpowerboardisalsouptovoltagewithabout50V;when
servicing,short-circuitandjointweldingcannotoccur,orelsetheelementswillbeburntoutandtrouble
rangewillbeenlarged.
Movementandfrictionwillbothbringstaticelectricitywhichcausesseriousdamagestointegrated
IC.Thoughstaticchargeislittle,whenalimitedquantityofelectricchargeisaddedtolarge-
scaleintegratedIC,asthecapacitanceisverysmallinthemeantime,nowtheintegratedICisverymuch
easytobestruckthroughbystaticelectricityortheperformancewilldecrease.Thusstaticelectricity
preventionisofextraordinaryimportance.Thefollowingareseveralmeasurestopreventstatic
electricity:
1.Useapieceofelectricconductionmetalwiththelengthofabout2metrestoinsertintotheearth,
andFetchtheleadwirefromthetopofthesurplusmetalandconnecttotherequiredstaticelectricity
device.Thelengthanddepthofthemetalembeddedundertheearthshouldbedeterminedaccordingto
thewettabilityofthelocalsoil.Forhumidplaces,itmaybeshorter,andlongeranddeeperfordryplaces.
Ifpossible,itcanbedistributedandlayedintermsof“#”shape.
2.Onoperatingtable-board,theantistatictablecushionshouldbecoveredandgrounded.
3.Alldevicesandequipmentsshouldbeplacedontheantistatictablecushionandgrounded.
4.Maintenancepersonnelshouldwearantistaticwristringwhichshouldbegrounded.
5.Placesaroundtheoperatingpositionshouldalsobecoveredwithelectricconductioncushionor
Paintedwithantistaticpaint.
-1-

1.1.3Aboutplacementposition
1.2.1Visualizedmethod
1.2.2Electricresistancemethod
1.2.3Voltagemethod
1.2.4Currentmethod
1.2.5Cuttingmethod
1.
2.Positionsforplacementshouldbestableandsecure.
Directlyviewwhetherabnormalitiesofcollision,lackofelement,jointwelding,sheddingwelding,
rosinjoint,copperfoilturningup,leadwiredisconnectionandelementsburningupamongpinsof
elementsappear.Checkpowersupplyofthemachineandthenusehandstotouchthecasingofpartof
elementsandcheckwhethertheyarehottojudgethetroublespot.Youshouldpaymoreattentionwhen
usingthismethodtocheckinhighvoltageparts.
Setthemultimeterinresistancepositionandtestwhetherthenumericalvalueofresistanceofeach
pointinthecircuithasdifferencefromthenormalvaluetojudgethetroublespot.Butinthecircuitthe
testednumericalvalueofresistanceisnotaccurate,andthetestednumericalvalueofintegratedIC's
pinscanonlybeusedforreference,sotheelementsshouldbebrokendownfortest.
Voltagemethodisrelativelyconvenient,quickandaccurate.Setthemultimeterinvoltageposition
andtestpowersupplyvoltageoftheplayerandvoltageofacertainpointtojudgethetroublespot
accordingtothetestedvoltagevariation.
Setthemultimeterincurrentpositionandtestcurrentoftheplayerofacertainpointtojudgethe
troublespot.Butwhentestingincurrentmethod,themultimetershouldbeseriesconnectedinthe
circuit,whichmakesthismethodtootrivialandtroublesome,soitislessfrequentlyusedinreality.
Cuttingmethodshouldbecombinedwithelectricresistancemethodandvoltagemethodtouse.
Thismethodismainlyusedinphenomenaofshortcircuitandcurrentleakageofthecircuit.When
cuttingtheinputterminalvoltageofacertainlevel,ifvoltageoftheplayerrisesagain,itmeansthatthe
troubleliesinthislevel.
Audiopoweramplifiercannotbeinstalledinplaceswithhightemperatureandhumidity.
1.2Maintenancemethod
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1.2.6Elementsubstitutionmethod
1.2.7Comparisonmethod
Whensomeelementscannotbejudgedgoodorbad,substitutionmethodmaydeadopteddirectly.
AsamegoodPCboardisusuallyusedtotestthecorrectvoltageandwaveform.Comparedthese
datawiththosetestedthroughfaultPCboard,thecauseoftroublesmaybefound.
Throughtheabovemaintenancemethod,theoreticalknowledgeandmaintenanceexperience,all
difficultiesandtroubleswillbereadilysolved.
AudioGenerator
Digitaloscillograph(100MHE)
SMDreworkstation
Multimeter
Solderingiron
Pointed-monthpincers
Cuttingnippers
Forceps
Electricscrewdriver
Terminalsconnectingcord
Headphone
Microphone
1.3Requireddeviceformaintenance
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ChapterTwo
FunctionsandOperationInstructions
2.1FEATURES
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With5.1CHinputterminal,capableofconnectingwithexternalmulti-channeladvanceddecode
outputsignalssuchasDOLBYDIGITAL,DTS
Built-inFM/AMtuner
DolbyDigital,DTS,DolbyProLogicII,DSP,STEREOdecode
Noisetesting
High-performancedigitalKaraoke,withMICvolume,toneandechoadjustment
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2-waycoaxialdigitalsignalinput,1-wayopticaldigitalsignalinput
Withsubwooferoutputterminal,capableofconnectingwithactivesubwooferspeaker
Withheadphoneoutputjack
6CHdigitalvolumecontrol
Separateleveladjustmenttoleft,right,centre,surroundandsubwooferchannel
Automaticallyrecognizeinputsignalformatandselectthecorrespondingdecodemode
Decodemodemanualselection
Mainchannelhigh/lowtoneadjustment
VideoandS-Videoselectedfunction
Centre,surrounddelayadjustmen
t
5presetEQmodes
Digitaltuningfunction
Capableofstoring36FMand12AMradiostations
Automatically/Manuallysearchingradiostations
Automuteifthereisnosignal
Separate5CHpoweramplification
Speciallyautomaticprotectionofshort-circuit,over-voltageandover-current
Fullremotecontroloperation
Completeunitinterface
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REARPANELILLUSTRATIONS
4
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
HOMETHEATRERECEIVERAV311T
1 2 4 53
6
2.2ControlbuttonLocationsandExpLanations
2.2.1Frontpanelfunctionsandillustrations
POWERswitch
Switchon/offtheACpoweroftheunit
MENUbutton
MENUbutton,pleaserefertotherelated
chaptersfordetails
Multi-FunctionKnob
Innormalworkingmode,synchronously
adjust6-channellevel.Inaddition,by
usingthisknobandMENUbutton,you
mayfulfilmultiplefunctions.Pleaserefer
totherelatedchaptersfordetails...
5
6
1
2
3
Headphonejack
MICjack
IRsensorwindow
Receivetheremotecontrolsignals.
311
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1314 1215
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2.2.2VFDDISPLAY
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811
710
9
VCD
VCD
VCDDVD DVDOUT OUT
1
MUTEsymbol
DTSdecodemodesymbol
DolbyDigitaldecodemodesymbol
DolbyProLogicdecodemodesymbol
TUNERsymbol,itsflickershowsthetuneris
insignalsearchingstate
Callthepresetsavedradiostation,orhas
savedthecurrentlytuningchannel
Thetunerhasreceivedsignal
Stereodecodemodeorthecurrently
receivedFMradiostationisstereooutput
signal
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7
8
DSPdecodemodesymbol
InDSPdecodemode,stimulateSTADIUM
soundfield
InDSPdecodemode,stimulateSTAGE
soundfield
InDSPdecodemode,stimulateHALLsound
field
InDSPdecodemode,stimulateDISCO
soundfield
InDSPdecodemode,stimulateLIVEsound
field
Connectchannel,dataformatdisplayarea
Effectivechanneldisplayarea
2.2.3REARPANELILLUSTRATIONS
DIGITAL
Coaxialdigitalsoundsourceinputjack1,2;
opticaldigitalsoundsourceinputjack
AM/FMantennaterminal
ConnectAM/FMantennaoutside
S-VIDEO
VCDDVDS-VideoSelectedJacks
STEREO
VCDDVDstereoaudiosignalinputjack
5.1CH
5.1CHaudiosignalinputjack
VIDEO
VCDDVDVideoSelectedJacks
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1
2
3
4
5
6
LINEOUT
Subwoofersignallineoutputjack
Data
Modeldataplate
Speakerjack
Connectwithspeakerterminals
CAUTIONmark
Remindtheuserofdangerousvoltage
Inside
Dualsquaresymbol
ClassIIelectricshockprotectionproduct
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STANDBY MUTE
DEFAULT
TEST
MODE
VOL
SPK.
DELAY
ECHO TREBLE BASS
KARAOKE
MICVOL
BAND
MEM
RC-311
BASS
TREBLE
L
SL SW SR
RC
OPTICAL
VCD DVD
COAX.1 COAX.2
5.1CH
TUNER
STEP
9 0
DIGITAL
STEREO DSPPLⅡ
EQMODE
DTS
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3
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2.2.4ILLUSTRATIONSTOTHEREMOTECONTROL
STANDBYbutton:Enterorexitstandbystate
SOUND/VIDEOSOURCEbutton:Selectinput
signalsourcesmanually
NUMBERbuttons:Forsavingandcallingsaved
radiostations
AMSTEPbutton:Pressingthisbuttonforlong
(above3seconds)mayswitchstepvalus9KHz
or10KHzintheAMwaveband
FORWARD/AFTERWARDbutton:Callthe
savedradiostationsforward/backward
DEFAULTbutton:Pressthisbuttonforlong
(above3seconds),theunitautomatically
restoressystemparametertodefaultvalue
MULTI-FUNCTIONbuttons
CHANNELbuttons:Usingwithmulti-function
buttonsmayseparatelyadjust channelleve
STEREOMODEbuttonl
DOLBYPROLOGICDECODEMODEbutton
DTSDECODEMODEbutton
DOLBYDIGITALDECODEMODEbutton
SPEAKERMODESETUPbutton:Pressingthis
buttonmaycircularlyselectmainspeakermode
andsubwooferon/offmode
EQMODEbutton:Pressthisbuttonto
circularlyselectEQmode
KARAOKEECHO(+,-)button:AdjustKaraoke
echo
KARAOKETREBLE(+,-)button:Adjust
Karaoketreble
KARAOKEBASS(+,-)button:AdjustKaraoke
bass
KARAOKEVOLUME()button:Adjust
Karaokevolume
MAINCHANNELTREBLE(+,-)button:Adjust
mainchanneltreble
MAINCHANNELBASS(+,-)button:Adjust
mainchannelbass
DSPDECODEMODEbutton
MAINVOLUMEbutton:Capableof
synchronouslyadjusting6-channelvolume
DELAYbutton:Usingwithmulti-function
adjustmentbuttonsmayadjustcentre,surround
channeldelay
FMSTEREOMODEbutton:Manually/
automaticallyselectFMstereomode
WAVEBANDbutton:UsedtoswitchFM/AM
waveband
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MEMORYbutton:Savetuningstations
MUTEbutton
NOISETESTINGbutton
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STANDBY
TurnOn/Off
theUnit
VCD
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
Mute
MUTE
VCD
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
2.3BASICOPERATIONS
2.3.1TurnOn/OfftheUnit
1.PowerOn
2.Standby
3.PowerOff
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Beforepoweron,pleasecheckwhetherthe
poweraccordswiththemarkedspecsofthe
unit,whetherthepowersocketaccords
withthepowerplugoftheunitandwhether
thesoundsourceconnectioncords,output
cordsarecorrectlyconnected.Thenyoumay
connectthepower;
PressPOWERswitchonthefrontpanelofthe
unitandtheindicatorlightonthepanelflickers
Theunitautomaticallyconnectwiththeinput
soundsourcebeforepower-offlasttime,and
automaticallyselectdecodemodeaccording
totheinputsoundsourceformat.
Iftheuserwantstofinishingoperatingina
shorttime,youmaypressSTANDBYbutton
ontheremotecontroltoenterstandbystate.If
youwanttooperateitagain,pressSTANDBY
buttonagaintoexitstandbystate.
Ifnotgoingtouseforalongperiod,press
POWERswitchonthefrontpaneltoturnoff
thepower,andtheindicatorlightturnsout.
2.3.2Mute
◆Innormalworkingstate,pressMUTEbutton
theunitissilentandthe
"MUTE"symbolonthetopleftcornerof
ontheremotecontrol,
theVFDscreenislightened.Inmutestate,
pressMUTEbuttonontheremotecontrol,the
unitrestorestooutputsoundandthe"MUTE"
symbolturnsout.UsingtheMULTIFUNCTION
knobonthefrontpanelorpressingMAIN
VOLUMEbuttonontheremotecontrolmay
alsocancelmute.
2.3.3SelectInputSoundSourceand
VideoSource
◆PresstheSOUNDSOURCEbuttononthe
remotecontroltoseparatelyselectthesound
sourceofoptical,coaxial1,coaxial2,VCDand
DVDastheworkingsoundsourceofthisunit.
PressTUNERbuttontoselectthebuilt-ituner
ofthisunitastheworkingsoundsource.
◆Thisunithas1-wayopticalinputterminal,2-
waycoaxialinputterminal,1-wayVCDinput
terminal,1-wayDVDinputterminaland5.1CH
inputterminal.Youmayusetheremotecontrol
todirectlyselectinputsoundsource,oruse
MENUbuttonandMULTI-FUNCTIONknobon
thefrontpaneltoselectinputsoundsource
throughmenu.Youarerecommendedtouse
remotecontrolmeans.
RemoteControlMeans
MenuMeans
◆PressMENUbuttononthefrontpanelofthe
unitandVFDscreendisplays"SOURCE".
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SelectSource
OPTICAL
COAX.1 COAX.2
5.1CHTUNERDVDVCD VCD
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
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RotatetheMULTI-FUNCTIONknob,VFD
screenwilldisplay"OPTICAL","COAX1",
"COAX2","DVD","VCD","EXT5.1CH",
"AM"and"FM"symbolswhichrespectively
standsforthesoundsourcesonoptical,
coaxial1,coaxial2,DVD,VCDandexternal
5.1CHterminals,andthebuilt-inAM,FMwave
bandsignals.PressMULTI-FUNCTIONknob
toselectthissoundsource.
Selectvideo
WhenTunerin,Novideoout;WhenVCDAudio
in,theVCDvideoisselected;WhenDVD
audio5.1CHCOAXIALandOpticalin,The
DVDvideoisselected.
2.3.4SelectDecodeMode
◆ThisunithasDolbyDigital,DolbyProII,DTS,
DSPandSTEREOdecodemodes,butnot
everyinputchannelhasallthedecodemodes.
Whentheuserswitchestheinputchannelor
changestheinputsignalformat,theunitmay
automaticallyselectthedefaultdecodemode
accordingtotheinputsignalformat.Certainly,
theusermayalsoselectthedecodemode
manually,andpleaserefertothefollowing
tablefortheselecteddecodemodeofeach
channelandthedefaultdecodemode.
Table1:Relationbetweeninputchanneland
decodemode
Inputchannel PLII Dolby
Digital DTS DSP Default
Decode
DVD Yes Yes No No Yes Stereo
Analog
Signal VCD Yes Yes No No Yes Stereo
PCM Yes Yes No No Yes Stereo
2/0AC-3 Yes Yes Yes No No Dolby
Digital
AC-3 Yes No Yes No No Dolby
Digital
Digital
Signal
(from
Optical,
Coax1,
Coax2) DTS Yes No No Yes No DTS
Stero
NOTE:InDolbyProLogicdecodemode,itis
effectiveonlywhensamplingrateless
than96KHz.
ThisunitcanonlyreceivePCMsignalswith
samplingratelessthan96KHz.Therearetwo
meansofmanuallyselectingdecodemode:
Remotecontrolandmenu.
RemoteControlMeans
PressSTEREO,II,DSP,DTS,DIGITAL
buttonsontheremotecontrol,ifthedecode
modethatyouselectedcannotberealizedto
inputsignal,thesystemstillremainsthe
Originaldecodemode.
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MenuMeans
PressMENUbuttononthefrontpanel
continuouslyuntilDECODEappears.Rotate
theMULTI-FUNCTIONknob,andVFDscreen
willdisplay"STEREO,DSP,DOLBY,PROII,
DolbyDigital,DTS",whichstandsforSTEREO,
DSP,DolbyProLogicII,DolbyDigitalandDTS
decodemoderespectively.Youneedtopress
theMULTI-FUNCTIONknobtoconfirmto
enternewdecodemode.
Note:Asforacertaininputchannel,ifsome
decodemodesdonotexist,theoperation
isinvalid.
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SelectDecodeMode
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
HOMETHEATRERECEIVERAV311T
-9-

AdjustVolume
MASTER
VOL
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
HOMETHEATRERECEIVERAV311T
2.3.5AdjustVolume
◆RotatingtheMULTI-FUNCTIONknobonthe
frontpanelorpressingtheMAINVOLUME
buttonontheremotecontrolmay
synchronouslyadjust6-channellevelandthe
screendisplays"VOLXX"adjustmentrange
0~60.
Note:Themainvolumeautomaticallysetsin20
eachtimewhenpoweron.
2.3.6AdjustChannelLevel
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PressCHANNELbuttonontheremotecontrol
andtheVFDscreendisplaysthe
correspondingchannelsymbol:"FLXXX,FR
XXX,FCXXX,SLXXX,SRXXX,SWXXX",
whichmeansleftchannel,rightchannel,
centrechannel,surroundleftchannel,right
surroundchannelandsubwooferchannel
respectively.
PresstheMULTI-FUNCTIONadjustment
buttonontheremotecontroltoadjustchannel
level.Theadjustmentrangeofchannellevelis
-60~+60
Figure:Thedesignofchannellevelonthescreen
2.3.7AdjustMainChannelTone
◆PressTREBLEandBASSbuttonofmain
channelontheremotecontroltoadjustthe
mainchanneltrebleandbass
respectively.
AdjustChannelLevel
AdjustMainChannelTone
TREBLE BASS
2.3.8SelectEQMode
◆PressingEQbuttonontheremotecontrolmay
selectFLAT,DISCO,POP,ROCKandJAZZ
moderespectively.Figure:EQmodedisplay
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SelectEQMode
EQMODE
2.3.9DEFAULT
PressDEFAULTbuttonforlong(above3
seconds),andtheunitrestoresthechannel
levelandKaraokevolumeparameterstodefault
Parameters.
DEFAULT
Calldefaultparameter
2.3.10Karaoke
InsertthemicrophoneintotheMICjackon
thefrontpanelandpushtheMICswitchtoON(if
thereisswitch).Keepanappropriatedistance
Withspeakertoavoidwhistle.
MenuandMICjack
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
HOMETHEATRERECEIVERAV311T
1
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1.Karaokevolume
TherearetwomeanstoadjustKaraoke
volume:remotecontrolandmenu.
RemoteControlMeans
PressKARAOKEVOLUMEbuttononthe
Remotecontrol
MenuMeans
PressMENUbuttononthefrontpaneluntil
MICVOLappears,andthenrotatetheMULTI-
FUNCTIONknob.
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MICVOL
Karaokevolume
2.Karaokeecho
TherearetwomeanstoadjustKaraokeecho:
remotecontrolandmenu.
RemoteControlMeans
PressKARAOKEECHObuttonontheremote
control.
MenuMeans
PressMENUbuttononthefrontpaneluntil
MICECHOappears,andthenrotatetheMULTI-
FUNCTIONknob.
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Karaokeecho
ECHO
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TREBLE BASS
Karaoketone
3.Karaoketone
◆PressTREBLEandBASSbuttonofKaraoke
ontheremotecontroltoadjustKaraoketreble
andbass.
BASICOPERATIONS
2.3.11Tuning
Beforetuningoperation,pleaseselect
appropriatewavebandaccordingtothe
Followingsteps.
PressTUNERbuttonofsoundsource
selectionontheremotecontrol;
PressBANDbuttonontheremotecontrolto
selectwavebandordirectlyenterthetuning
FM,AMwavebandthroughmenu.1.Auto
search
RemoteControlMeans
PresstheMULTI-FUNCTIONbuttonforlong
(above1second),andtheunitwill
automaticallysearchradiostationsforwardor
afterward.Untilradiostationwithstrong
signalissearched,itwillautomaticallystop.
PresstheMULTI-FUNCTIONbuttontofine
adjustifnecessary.
MenuMeans
PressMENUbuttononthefrontpaneluntil
VFDscreendisplays"TUNSEEK".
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◆
◆
◆
◆
◆RotatetheMULTI-FUNCTIONknobandthe
unitwillautomaticallystopaftersearchingthe
radiostationwithenoughstrongsignal. Within
about3seconds,youmaycontinuerotating
theknobandsearchingradiostation.
After3secondssearchingradiostation,you
mayrotatetheMULTI-FUNCTIONknobto
Adjustvolume.
TUNER
TUNER
VCD
2.Autosearchandsaveradiostation
◆
◆
PressMEMORYbuttonontheremotecontrol
untilVFDscreendisplays"MEMORY".
PressMULTI-FUNCTIONbuttonforlong
(above1seconds),theunitwillautomatically
searchradiostationforwardorbackwardand
thenautomaticallysaveit.Thisunitmay
automaticallysave36FMand12AMradio
stations.
BAND
BAND
VCD
3.Saveradiostationmanually
◆PressMEMORYbuttonontheremotecontrol
andthenNUMBERbuttonstosaveradio
station.Ifthesavedradiostationnumberis
over9,pleasepress2numberscontinuously.
-12-

MEM
Callthesavedradiostation
VCD
MULTI-FUNCTIONknob
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
HOMETHEATRERECEIVERAV311T
1
2
◆Aftercompletelysaving,PRESETsymbolon
thescreenislightened.
4.Callthesavedradiostation
5.SelectAMstepvalue
◆
◆
◆
◆
PressNUMBERbuttonstocallthesavedradio
stationdirectly.
PressFORWARD/BACKWARDbuttonstocall
thesavedradiostation.Calltheformeror
behindoneofthesavedradiostation.
Aftercompletelycalling,"PRESET"symbolon
theVFDscreenislightened.
PressingAMSTEPbuttonforlong(above3
seconds)mayswitchtheAMstepfrequency
value,thatis,whentuningthestepvalueeach
timeis9KHzor10KHz.
1
2
3
1
2
3
HowtoConnect
Pushthejackbuttontoopenit.
Insertthespeakercord.
Letgooffthebuttontoclamp
thespeakercord.
Remotecontrol
2.3.12Tuning(Continued)
Thisunithastwoworkingmodesinthe
Receivingstatus:
1InAUTOworkingmode,ifyouselectFM
Waveband,thisunitwillautomatically
recognizetheradiostationprogramismono
signalorstereosignalandkeepthemonoor
stereoReceivingstatus.
2Ifthereceivedradiostationprogramhas
Loudernoiseorcacophonyinstereostatus,
youmayswitchtoMANUALworkingmode.In
thisway,theunitisinmonoreceivingstatus
todecreasenoiseandcacophony
generally.Youmayswitchthetwoworking
modesthroughMODEbuttonontheremote
control.
TheExplanationofMODEbutton
AUTO/MANUAL
、
、
YoumayuseouraccessionalAMandFM
indoorantennawheninbadreceivingeffect.
Generallyspeaking,theseantennaecansupply
enoughsignalstrength.
1Pushthejackbuttontoopenit.
2ConnecttheAMroundantennacordtoAM
ANTandGNDterminals.
3Letgooffthebuttontoclampthespeaker
cord.Pullthecordlightlytocheckthe
connectionIsrightornot.
AntennaConnection
ConnecttoAMRoundAntenna
、
、
、
-13-

5
Rotate
4
AMroundantenna
Stand
4ConnecttheAMroundantennatothestand.、
5AdjustthedirectionofAMroundantennato
getthebestreceivingeffect.
、
NOTE:
1AMroundantennashouldbeplacedfaraway
fromtheequipment.Youmayputuponthe
walloronthebookshelf.
2AMroundantennaandoutdoorantennacan
beusedatthesametime.
ConnecttotheindoorFMantenna
ConnecttheaccessionalindoorFMantenna
to75UNBAL.FMANTterminal.
、
、
Ω
ConnecttoFMAntenna
NOTE:
DonotusetheoutdoorandindoorFM
Antennaeatthesametime.
GND(Grounding)terminal
Inordertoensurethesafetyanddecreasethe
interference,pleasewellconnecttheGNDterminal.
Thebettergroundingmethodisinsertthemetalpole
intowetground.
2.3.13ChannelDelay
◆
◆
◆
Channeldelayoperationisonlyavailablein
DolbyDigital,DTSandDolbyProLogicII
modes.
PressDELAYbuttonontheremotecontrol.
WhenVFDscreendisplays"CXXMS",use
MULTI-FUNCTIONbuttontoadjustthecentre
channeldelay.Theadjustmentrangeis0~5ms
PressDELAYbuttonontheremotecontrol
again.WhenVFDscreendisplays"SXXMS",
useMULTI-FUNCTIONbuttontoadjustthe
surroundchanneldelay.Theadjustmentrange
is0~15msinDTSandDolbyDigitaldecode
modes,and15~30msinDolbyProLogicII
decodemode.
DELAY
Channeldelay
2.3.14NoiseTesting
-14-

SPK.
1
Selectspeakermode
TEST
Noisetesting
VCD
Headphone
MHZ
LIVE
DISCO
KHZ
CH HALL
STAGE
STADIUM
STEREO
DIGITAL
OPTICAL
PRESET
SLEEP
MP3
SOUNDFIELD
SL
SR
R
C
L
MUTE
STERO
TUNER
HOMETHEATRERECEIVERAV311T
◆
◆
Duringsystemworking,itisusedforusersto
adjustlevelbalancebetweenchannelsin
multi-channelstate.
Innon-STEREOdecodemode,pressTEST
buttonontheremotecontroltoenternoise
testingmode.Theunitwilloutputnoise
accordingtothesequenceofleft,centre,right,
surroundrigntandsurroundleft.Thelasting
periodofeachchannelis2s,duringwhich
timeusersmaypresstheMAINVOLUME
buttonontheremotecontroltosynchronously
adjust6-channellevel,andmayalsopress
MULTI-FUNCTIONbuttontoadjusteach
cnahhel'slevel.Toexitnoisetestingmode,
pleasepressTEST buttonagain.
2.3.15SelectSpeakerMode
Note:Theselectionof"Large"or"Small"isset
byspeakercalibraterandbassplaying
ability.Whensubwooferspeakerand
subwooferoutputterminalareconnected,
youmayset"SUBON",orelse,"SUB
OFF".Whenspeakermodeissetin
"SMALL",subwooferspeakermustbeset
in"ON".
◆PressSPEAKERMODESETUPbuttononthe
remotecontrol,when"SPSMALL"or”SP
LARGE"appears,pressingMULTI-FUNCTION
buttonagainmaychangetheleft/rightspeaker
mode.Pressspeakermodebuttononthe
remotecontrol,when"SUBON"or"SUBOFF"
appears,pressingMULTI-FUNCTIONbutton
againmaysetwhetherthereissubwoofer
speakermode.
2.3.16Headphone
◆Thisunitiswithindividualheadphoneamplifier.
Ifnecessary,pleaseinserttheheadphoneplug
intotheheadphonejackonthefrontpanel.In
thisstate,changingdecodemodeisinvalid.
-15-
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