Pyle Pro PT-990A User manual

PT-990A VACUUM TUBE STEREO AMPLIFIER
www.pyleaudio.com
POWER ONPOWER ON
PT-990A TUBE STEREO AMPLIFIER PT-990A TUBE STEREO AMPLIFIER MASTER VOLUMEMASTER VOLUME
STANDBYSTANDBY
SENSORSENSOR
PHONESPHONES
STEREO
DIRECT
STEREO
DIRECT
CD
DV D
CD
DV D
SP EA KE R
A/ B
SP EA KE R
A/ B
AU X 1
AU X 2
AU X 1
AU X 2
SP EA KE R
A+ B
SP EA KE R
A+ B
DI GI TAL
IN
DI GI TAL
IN
US BUS B MDMD
PL AYE R IN PU TPL AYE R IN PU T
ST ER EO
LI NE I N
ST ER EO
LI NE I N
BA L AN CEBA L AN CE BA SSBA SS T RE BL ETRE BL E
TUNINGTUNING
TU NE RTU NE R
US BUS B
·
Ⅴ
Ⅵ
·
·
Ⅳ
Ⅶ
·
·
Ⅲ
Ⅷ
·
·
Ⅱ
Ⅸ
·
·
Ⅰ
Ⅹ
·
0
0
0
Ⅱ
Ⅱ
Ⅳ
Ⅳ
Ⅵ
Ⅵ
Ⅷ
Ⅷ
Ⅹ
Ⅹ
0
Ⅱ
Ⅱ
Ⅳ
Ⅳ
Ⅵ
Ⅵ
Ⅷ
Ⅷ
Ⅹ
Ⅹ
RR
LL
TAPE
PH ON O
TAPE
PH ON O
PL AYE R IN PU T
ST. LIN E IN
PL AYE R IN PU T
ST. LIN E IN

CONTENTS
SAFETYINFORMATION 1
IMPORTANTSAFETYINSTRUCTIONS .2
REMOTECONTROLLER .. 3
LOUDSPEAKERPOSITIONING .. 4
FRONTPANELINFORMATION 5
REMOTECONTROLINFORMATION .6
REAR PANELINFORMATION .. 7
CONNECTIONS
-LOUDSPEAKERCONNECTIONS .8
-AUDIO CONNECTIONS ...9
-DIGITALCONNECTIONS 9
-FRONTINPUTCONNECTIONS .10
-AERIALCONNECTIONS 11
BASICOPERATION 12
RADIODATASYSTEM(OPTIONAL) 14
TROUBLESHOOTING 15
SPECIFICATIONS 16

1
SAFETYINFORMATION
Caution:
-Toreducetherisk ofelectricshock, donotremoveCover(orback)
-Nouser-serviceablepartsinside.
-Referservicingtoqualifiedservicepersonnel.
-Donot exposethisappliancetorainormoisture
Thislightningflashwitharrowhead symbol,withinan equilateral
triangleisintendedtoalerttheusertothepresenceof uninstalled
dangerousvoltage”withintheproduct’senclosurethat maybe of
sufficientmagnitudetoconstituteariskofelectricshocktopersons.
Theexclamation pointwithinan equilateraltriangleisintendedtoalert
theusertothepresenceof importantoperatingandmaintenance
(servicing)instructionsintheliteratureaccompanyingtheappliance.
CLASS 1
LASERPRODUCT
Themarkingofproductsusinglasers(except forsomeareas).The
labelisattachedtotherearpanelandsaysthatthecomponent uses
beamsthat havebeenclassifiedasClass1,whichmeanstheunitis
utilizinglaserbeamsthatareofweakerclass.Thereisnodangerof
hazardousradiation outsidetheunit
ACCESSORIES
1. RCAcord(yellowcolor).
2. Remotecontrol.
3. BatteryAAx2forRemotecontrol
4.InstructionManual

2
IMPORTANTSAFETYINSTRUCTIONS
Caution:ReadThisBeforeOperating YourUnit.
1. READ AND FOLLOWINSTRUCTIONS: Allthesafetyandoperation instructionsshouldberead beforetheproductis
operated. Followalloperationinstructionswithinthismanual.
2. RETAININSTRUCTIONS: Thesafetyand operation instructionsshouldberetainedforfuturereference.
3. HEEDWARNINGS: Complywithallwarningsontheproductand intheoperationinstructions.
4. CLEANING: Unplugthisproduct fromthewall outletbeforecleaning.Donotuseliquidcleanersoraerosolcleaners.Usea
dampclothforcleaning.
5. GROUNDINGorPOLARIZATION: Thisproductmaybeequippedwithapolarizedalternatingcurrentlineplug(aplug
havingonebladewiderthan theother).Thisplug willfitintothe poweroutletonlyoneway. Thisisasafetyfeature.Ifyou are
unabletoinserttheplugfullyintotheoutlet,tryreversing the plug.Iftheplug shouldstillfailtofit,contactyourelectrician
sinceit islikelyyouhaveanoutofsatewallsocket. Neverforcetheplugintothesocket.
6. OVERLOADING: Donot overload walloutletsorextension cordsasthiscan resultintheriskof
fireorelectricshock.OverloadedACoutlets,extension cords,frayedpowercables,damaged
orcrackedwireinsulation,andbrokenplugsaredangerous. Theymayresult inelectricshock
orfirehazard.Periodicallyexaminethepowercable-ifitsappearanceindicatesdamageor
deterioratedreceptacleshaveitreplacedbyyourservicetechnician.
7. POWERSOURCES: Thisproduct shouldbeoperatedonlyfromthetypeof powersourceindicatedon therearpanellabel. If
you arenotsureofthetypeofpowersupplytoyourhome,consultyourproduct dealerorlocalpowercompany.Forproducts
intend tobeoperatedfrombatterypower,orothersources,refertotheoperationinstructions.
8. ACCESSORIES: Donotplacethisproduct on anunstablesurfaceorsupport. Theproductmayfall,
causing seriousinjurytoachildoradult aswellasseriousdamagetotheproduct. Anymounting of
theproductshouldfollowthemanufacture’sinstructionsand useamounting accessory
recommendedbythemanufacturer.Aproductandcartcombinationshouldbemovedwithcare.
Quick stops,excessiveforce,andunevensurfacesmaycausetheproductandcartcombination to
overturn.
9. OUTDOORANTENNAGROUNDING: Ifanoutsideantenna orcablesystemisconnectedtothe
product,besuretheantenna orcablesystemisgroundedsoastoprovidesomeprotection againstvoltagesurgesand
built-upstaticcharges.Theexamplebelowisforreferenceonly.Correctgroundingshouldalwaysbeinstalledbyan
electrician.
ANTENNA
LEAD IN
WIRE
ANTENNA
DISCHARGEUNIT
(NEC SECTION 810-21)
GROUNDINGCONDUCTORS
(NECSECTION810-21)
GROUND CLAMPS
POWER SERVICEGROUNDING
ELECTRODE SYSTEM
(NEC ART250.PARTH)
ELECTRIC
SERVICE
EQUIPMENT
GROUND
CLAMP
10. POWER-CORDPROTECTION: Thepowersupplycablesshouldberouted sothattheyarenotlikelytobewalked onor
pinchedbyitemsplacedupon oragainstthem,payingparticularattention tocablesatplugsandthepointwheretheyexit
fromtheproduct.
11. ATTACHMENTS: Donotuseunauthorizedattachmentsastheymaycausefaultswiththeunit.
12. CONDITIONSREQUIREINGSERVICE: Unplugthisproductfromthewalloutletand referservicingtoqualifiedservice
personnelunderthefollowingconditions:
a) Iftheunit exhibitssuddenunusualoperation orunusualdisplaycharacteristics.
b) Iftheunit exhibitssuddenunusualoperation orunusualdisplaycharacteristics.
c) b.If liquidhasbeenspilled, orobjectshavefallenintotheproduct.
d) Iftheproducthasbeenexposedtorainorwater.
e) Iftheproductdoesnot operatenormallybyfollowing theoperationinstructions,adjusting onlythosecontrolsthatare
coveredbytheoperationinstructions.(NOTE: improperadjustmentofothercontrolsmayresultindamageandwill
oftenrequireextensiveworkbyaqualifiedtechniciantorestoretheproducttoitsnormaloperation).
f) Iftheproducthasbeendroppedordamagedinanyway.
g) Iftheproductexhibitsadistinctchangeinperformance.

3
IMPORTANTSAFETYINSTRUCTION
13. SERVICING: Donotattempttoservicethisproductyourselfasremovingcovermayexposeyoutodangerousvoltagesor
otherhazards.Referallservicingtoqualifiedservicepersonnel.
14. LIGHTNING: Foraddedprotectionforthisproductduringathunderstorm,orwhenitisleft unattendedandunusedforlong
period oftime,unplugitfromthewalloutletand disconnecttheantenna orcablesystem.Thiswillpreventdamagetothe
productduetolightningandpowerlinesurges.
15. REPLACEMENTPARTS: Shouldreplacementpartsberequired,havetheservicetechnicianverifythatthereplacement
partsheuseshavethesamesafetycharacteristics astheoriginalparts. Useof unauthorizedreplacementspartscan cause
fireorelectricshock.
16. SAFETYCHECK: Uponcompletionofanyserviceorrepairstothisproduct, asktheservicetechniciantoperformsafety
checks recommendedbythemanufacturertodeterminethattheproductisinasafeoperatingcondition.
17. HEATDISPERSION---Leaveatleast10cmofspacebetweenthetop,backandsidesoftheunitandthewallorother
componentsforproperventilation.
10cmormore
10cmormore
10cm ormore
10cm or more
18.Theapparatusshallnotbeexposedtodripping orsplashing and thatno objectsfilledwithliquids,suchasvases,shallbe
placedontheapparatus.
19. NOTESONUSE
Avoidhightemperatures
Allowforsufficientheatdispersion
wheninstalledonarack.
Handlethepowercordcarefully.
Holdtheplugwhenunpluggingthe
cord.
Keepthesetfreefrommoisture.
water,anddust.
Unplugthepowercordwhennot
usingthesetforlongperiodsof
time
Donotobstructtheventilation
holes
*(Forsetswithventilationholes)
Donotletforeignobjectsintheset.
Donotletinsecticides,benzene,and
thinnercomeincontactwiththeset.
Neverdisassembleormodifytheset
inanyway.

4
REMOTECONTROLLER
Byusingtheprovidedremotecontrolunit,thereceivercanbe
controlledfromyourlistening position.Tousetheremote
controlunit,point itattheREMOTESENSORwindowof the
receiver.
Notes:
-Evenif theremotecontrolunitisoperatedwithinthe
effectiverange,remotecontroloperationmaybeimpossibleif
thereareanyobstaclesbetweentheunitandtheremote
control.
-Iftheremotecontrolunitisoperatednearotherappliance
whichgenerateinfraredrays,orif otherremotecontrol
devicesusing infraredraysareusedneartheunit, it may
operateincorrectly.
-Thepoweristurnedon/off(standby)bypressingthe
POWERbutton ontheremotecontrolunitinstandbymode.
Precautionsconcerning batteries
-Besuretoinsertthebatterieswithcorrect positive+and
negative –polarities.
-Usebatteriesofthesametype.Neverusedifferenttypesof
batteriestogether.
-Rechargeableand non-rechargeablebatteriescanbeused.
Refertotheprecautionson theirlabels.
-Whentheremotecontrolunitisnottobeusedforalong
time(morethanamonth),removethebatteriesfromthe
remotecontrolunit toprevent themfromleaking. Iftheyleak,
wipeawaytheliquidinsidethebatterycompartmentand
replacethebatterieswithnewones.
-Donot heatordisassemblebatteriesandneverdisposeof
oldbatteriesbythrowingtheminafire.
REMOTECONTROLOPERATIONRANGE
Usetheremotecontrolunit withinarangeofabout7
meters(23 feet)andtheanglesofupto30degreesaiming
attheremotesensor.
BATTERYINSTALLATION
1.Removethebatterycompartmentcover.
2.Inserttwo AA”drybatteries.
Makesurethatthebatteriesareinsertedwiththeir
positive +”andnegative -”polespositionedcorrectly.
3.Closethecoveruntilitclicks.
Ifthedistancerequiredbetweentheremotecontrolunitand
mainunitdecreases,thebatteriesareexhausted.Inthiscase,
replacethebatterieswithnewone

5
FRONTPANELINFORMATION
·
Ⅸ
·
Ⅷ
·
Ⅶ
·
Ⅵ
·
Ⅴ
·
Ⅳ
·
Ⅲ
·
Ⅱ
·
Ⅰ
·
0
0
Ⅷ
Ⅵ
Ⅳ
Ⅱ
0
Ⅱ
Ⅳ
Ⅵ
Ⅷ
Ⅷ
Ⅵ
Ⅳ
Ⅱ
0
Ⅱ
Ⅳ
Ⅵ
Ⅷ
61
12 16 17 20 21 22
2 3 4 5 7 8 10
13 14 15
9
1918
11
1. POWERON/OFF
Pushthisbuttontoturntheunitintostandbymode, pushitagaintoturnofftheunit.
2. StereoDirect
Press thisbutton ,theunit willchangetostereodirect output mode,allthesignalthroughthisunit willnot beamplify.
3. DVD/CD
Press toactivetheDVDinputs
4. AUX1/AUX2
Press toactivetheAUX1/AUX2inputontherearpanel.
5. PLAYERINPUT/ST.LINEIN
Press toselecttheiPodconnectedtoiPodinon thefront panel. PressitagaintheSTEREO LINEIN jackwillbeactived.
6. TAPE/PHONO
Press toselecttheCassetteDeck sourceequipmentforoutputthroughthisunit.
7.MD
Press toactivetheDABinputs.
8. TUNER
Press toselectthebuilt inTUNER.Press itagaintoselectFMorAMtuning
9. LEDIndicator
Lightsgreenwhentheamplifieristurnedon. Lightsredwhentheamplifierisinstandbymodeorinoperation.
10.MASTERVOLUME
Rotatethisknobclockwiseorcounterclockwise,themastervolumewillbeincreasedordecreased.
11.USBPORT
1.1formatUSB port,.
12. PHONES
Jack forthestereoheadphones.
13. SPEAKERA/B
Press itonce,thespeakerthat connecttoSpeakerAoutputswill work,press it againSpeakerBoutputs’sspeakerwillwork.
14. SPEAKERA+B
Press thisbutton,thespeakerA&B outputs’sspeakerwill worktogether.
15. DIGITALIN
Press thisbutton toactivethePCMdigitalininput.
16 .USB
Press ittoactivetheUSB port.
17.TUNING +/-
Tunerfrequency up&down
18. PLAYERINPUT
Jack foriPod.
19. STEREOLINEINjack
Connecttothestereooutputterminalequipment.
20. Balance
RotatethisknobclockwiseorcounterclockwiseforBalanceadjustment.
21. Bass
RotatethisknobclockwiseorcounterclockwiseforBassadjustment.
22.Treble
RotatethisknobclockwiseorcounterclockwiseforTrebleadjustment.

6
REMOTECONTROLINFORMATION
1.Mute
Press thisbutton tomutethesound, pushagaintocancelthe
mutefunction.
2. Standy
Pushthisbuttontoturntheunitintostandbymode,pushit
againtoturnoff theunit.
3. Digitalin
Press thisbutton toactivethePCMdigitalininpu
4. Display
Press thisbutton todisplaythestateofinputsource.
5. SpeakerA+B
Press thisbutton,thespeakerA&B outputs’sspeakerwill
worktogether..
6.Memory
Press ittostorethebroadcaststationasapreset
7. APS
Intunermode,press thisbutton toallocateand memorize
radiostationautomatically.
8. PTYSearch
NoPTYinforamtionwouldbedisplayed.
9. ST/Mono
Press thisbutton toalternatebetweenStereoand Monomode
whenlistentoFMbroadcast.
10. Station+/-
Press thesebuttonstoselectapresetchannelduring the
tunermode.
11.
When insertaMP3playerintheUSBport, press thisbutton
topausestheplayback.
12. Auto/Manual
ThisbuttonisusedtoselectAUTOorMANUALtuning forAM
and FMstations.Pressoncetoset toAUTO,againfor
MANUAL
When insertaMP3playerintheUSBportpress thisbuttonto
stoptheplayback.
13. Tuning-
When selectthebuiltintuner,pressittotunefrequency
down.
When insertaMP3playerintheUSBportpress thisbuttonto
select theprevioustrack
14.
When insertaMP3playerintheUSBportpress thisbuttonto
startstheplayback
15. USB
ActivetheUSB port.
16. DVD/CD
Press toactivetheDVDinputs.
17.MD
Press toactivetheDABinputs.
18. TAPE/PHONO
Press toselecttheCassetteDeck sourceequipmentfor
outputthroughthisunit.
19. SPEAKERA/B
Press itonce,thespeakerthat connecttoSpeakerAoutputs
will work,press it againSpeakerBoutputs’sspeakerwill
work.
20.iPod/STEREO LINEIN
Press toselecttheiPodconnectedtoiPodinon thefront
panel.Press itagaintheSTEREOLINEIN jack will be
actived.
21. BAND
Press thebuttontoselectFMorAM.
22.TUNER
Press toselectthebuiltinTUNER.Press itagaintoselect
FMorAMtuning.
23. AUX1/AUX2
Press toactivetheAUX1/AUX2inputontherearpanel,
24. StereoDirect.
Press thisbutton,theunitwill changetostereodirectoutput
mode,allthesignalthroughthisunit willnot beamplify.
25. Tuning+
When insertaMP3playerintheUSBportpress thisbuttonto
select thenext track.
26. Volume+/-
Press thesebuttonstodecreaseorincreasethevolume.
.

7
REARPANELINFORMATION
1. Antenna:Connection terminalforAM&FM
2.Mainsswitch
Usetointerruptthemainsvoltage
3. RS232 port
4. Analog audioIn/Out
-TAPE OUT: ConnecttothelineinputterminalsontheTAPE DECK
-AUXIN: Connecttothelineoutputofanexternalplayer.
-TAPE IN:Connecttothelineoutputterminalson theTAPE DECK.
- DVDIN: ConnecttothelineoutputterminalsontheDVDplayer
- MDIN:Connect tothelineoutputterminalsontheDABplayer
5. PCMDIGITALIN
Opticalin1,2
PCMDigitalaudioinputtothedigitaloutputof CDplayer.
CoaxialIn1,2
PCMDigitalaudioinputtothedigitaloutputofaCD player
6. SpeakerB
Forconnectionof loudspeaker
Note:-Thespeakerimpedancemust be4and16Ohm
- Foroptimalsoundqualitytheremust beaproperconnectionbetweenthespeakerterminal
and theamplifierterminal.
-Thecableendsmustnotbefrayedtoavoidthat theycomeintocontactwitheachotheror
thecabinetbackpanel
7. SpeakerA
Theothersectionforconnectionofloudspeaker.
8. ACCORD
ConnecttotheACmainssocket.

8
CONNECTION
LOUDSPEAKERCONNECTIONS
Caution:
Toavoiddamagingthespeakerswithasuddenhigh-levelsignal,besuretoswitchthepoweroffbeforeconnectingthespeakers.
lCheck theimpedanceof yourspeakers.
Connect speakerwithan impedanceof 8ohmsormore. Theamplifier’sredspeakerterminalsarethe+(positive)terminals
and theblackterminalsarethe –(negative)terminals.
lThe+sideofthespeakercableismarkedtomakeitdistinguishablefromthe –sideofthecable.Connect thismarkedside
tothered+terminalsand theunmarkedsideistheblack terminal.
lPreparethespeakercordsforconnectionbystrippingoff approximately10mmorless (nomoreasthiscouldcausea
short-circuit)oftheouterinsulation. Twistthewirestightlytogethersothattheyarenotstraggly.
12
3
1.Unscrewtheknob
2.Insertthespeakercable.
3.Tightentheknobandsecurethecable.