FMAMAUX PRESET SCAN FM MODEPRESETTUNING

Mute

RLMaxMinMaxMin

Bass Treble Balance

Volume

Harman KardonHK3270

StereoReceiver

Owner’s Manual

HK3270 "U" om (B) 2/5/99 10:40 AM Page 2

Owner’s ManualHK3270 Stereo Receiver

Table of ContentsIntroduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–6Rear Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–8Remote Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . 9–10Installation and Connections . . . . . . . . . . . . . . . . . . . . . . . 11–13Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14–18

Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Source Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . 14–15Tuner Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 15–16Tape Recording . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Memory Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Processor Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

©1998 Harman Kardon, Incorporated

250 Crossways Park DriveWoodbury, NY 11797

HK3270 "U" om (B) 2/5/99 10:40 AM Page 3

Congratulations! With the purchase of the Harman Kardon HK3270 you areabout to begin many years of listeningenjoyment. The HK3270 has been customdesigned to provide all the excitement andpower of rock, jazz and popular music,and every nuance of classical selections.

While sophisticated systems are hard atwork within the HK3270 to make all ofthis happen, hookup and operation aresimple. Color-keyed connections and acomprehensive remote control make theHK3270 easy to use.

To obtain maximum enjoyment fromyour new receiver, we urge you to take afew minutes to read through this manual.This will ensure that connections tospeakers, source playback units and otherexternal devices are made properly. Inaddition, a few minutes spent learningthe functions of the various controls willenable you to take advantage of all thepower the HK3270 is able to deliver.

Introduction4

If you have any questions about thisproduct, its installation or operation,please contact your dealer. They are yourbest local source of information.

Description and FeaturesThe HK3270 is a full-featured Stereoreceiver, with five inputs and an FMstereo/FM/AM tuner with capabilities thatprovide for the utmost flexibility. A high-quality phono input is available so thatyou may continue to enjoy your existingrecord collection as well as the latest CD recordings.

The HK3270’s powerful amplifier usestraditional Harman Kardon High-CurrentDesign philosophies to meet the widedynamic range of any program selection.

Harman Kardon invented the high-fidelityreceiver more than forty-five years ago.With state-of-the-art features and time-honored circuit designs, the HK3270 isone of the finest receivers ever offered byHarman Kardon.

Harman Kardon Designed High-Current, Ultrawide BandwidthAmplifier

Preamp and Subwoofer Outputs forUse with External Power Amplifiers

Phono Input Section

Tuner with Data ProgramInformation Displays

HK3270 "U" om (B) 2/5/99 10:40 AM Page 4

Safety Information

Important Safety Information

Verify Line Voltage Before UseYour HK3270 has been designed for usewith 120-volt AC current. Connection to aline voltage other than that for which itis intended can create a safety and firehazard, and may damage the unit.

If you have any questions about the volt-age requirements for your specific model,or about the line voltage in your area,contact your selling dealer before plug-ging the unit into a wall outlet.

Do Not Use Extension CordsTo avoid safety hazards, use only thepower cord attached to your unit. We donot recommend that extension cords beused with this product. As with all electri-cal devices, do not run power cords underrugs or carpets or place heavy objects onthem. Damaged power cords should bereplaced immediately with cords meetingfactory specifications.

Handle the AC Power Cord GentlyWhen disconnecting the power cord froman AC outlet, always pull the plug, neverpull the cord. If you do not intend to usethe unit for any considerable length oftime, disconnect the plug from the ACoutlet.

Do Not Open the CabinetThere are no user-serviceable compo-nents inside this product. Opening thecabinet may present a shock hazard, andany modification to the product will voidyour guarantee. If water or any metalobject such as a paper clip, wire or staple accidentally falls inside the unit,disconnect it from the AC power sourceimmediately, and consult an authorizedservice station.

CATV or Antenna GroundingIf an outside antenna or cable system isconnected to this product, be certain thatit is grounded so as to provide some pro-tection against voltage surges and staticcharges. Section 810 of the NationalElectrical Code, ANSI/NFPA No. 70-1984,provides information with respect toproper grounding of the mast and sup-porting structure, grounding of the lead-in wire to an antenna discharge unit,size of grounding conductors, location ofantenna discharge unit, connection togrounding electrodes and requirementsof the grounding electrode.

NOTE TO CATV SYSTEM INSTALLER:This reminder is provided to call theCATV (Cable TV) system installer’s atten-tion to article 820-40 of the NEC thatprovides guidelines for proper groundingand, in particular, specifies that the cableground shall be connected to the ground-ing system of the building, as close to thepoint of cable entry as possible.

Installation Location To assure proper operation, and to

avoid the potential for safety hazards,place the unit on a firm and level sur-face. When placing the unit on a shelf,be certain that the shelf and anymounting hardware can support theweight of the product.

Make certain that proper space is pro-vided both above and below the unitfor ventilation. If this product will beinstalled in a cabinet or other enclosedarea, make certain that there is suffi-cient air movement within the cabinet.Under some circumstances a fan maybe required.

Do not place the unit directly on acarpeted surface.

Avoid installation in extremely hot orcold locations, or an area that isexposed to direct sunlight or heatingequipment.

Avoid moist or humid locations.

Do not obstruct the ventilation slots onthe top of the unit, or place objectsdirectly over them.

5

HK3270 120 volt Rev (B)

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER

SERVICING TO QUALIFIED SERVICE PERSONNEL.

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.

ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE

LA PRISE ET POUSSER JUSQU'AU FOND.

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the

presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of

important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

CAUTIONRISK OF ELECTRIC SHOCK

DO NOT OPEN

HK3270 "U" om (B) 2/5/99 10:40 AM Page 5

Safety Information

CleaningWhen the unit gets dirty, wipe it with aclean, soft, dry cloth. If necessary, wipe itwith a soft cloth dampened with mildsoapy water, then a fresh cloth with cleanwater. Wipe dry immediately with a drycloth. NEVER use benzene, aerosolcleaners, thinner, alcohol or any othervolatile cleaning agent. Do not useabrasive cleaners, as they may damagethe finish of metal parts. Avoid sprayinginsecticide near the unit.

Moving the UnitBefore moving the unit, be certain to dis-connect any interconnection cords withother components, and make certainthat you disconnect the unit from the AC outlet.

Important Information For the UserNOTE: This equipment has been testedand found to comply with the limits for a Class-B digital device, pursuant to Part15 of the FCC Rules. The limits aredesigned to provide reasonable protectionagainst harmful interference in aresidential installation. This equipmentgenerates, uses and can radiate radio-frequency energy and, if not installed andused in accordance with the instructions,may cause harmful interference to radiocommunication. However, there is noguarantee that harmful interference willnot occur in a particular installation. If this equipment does cause harmfulinterference to radio or television recep-tion, which can be determined by turningthe equipment off and on, the user is encouraged to try to correct the inter-ference by one or more of the followingmeasures:

Reorient or relocate the receivingantenna.

Increase the separation between theequipment and receiver.

Connect the equipment into an outleton a circuit different from that towhich the receiver is connected.

Consult the dealer or an experiencedradio/TV technician for help.

This device complies with Part 15 of theFCC Rules. Operation is subject to thefollowing two conditions: (1) this devicemay not cause harmful interference, and(2) this device must accept interferencereceived, including interference that maycause undesired operation.

NOTE: Changes or modifications maycause this unit to fail to comply with Part 15 of the FCC Rules and may voidthe user’s authority to operate the equipment.

Unpacking

The carton and shipping materials usedto protect your new receiver during ship-ment were specially designed to cushionit from shock and vibration. We suggestthat you save the carton and packingmaterials for use in shipping if you move,or should the unit ever need repair.

To minimize the size of the carton instorage, you may wish to flatten it. Thisis done by carefully slitting the tapeseams on the bottom and collapsing thecarton down to a more two-dimensionalappearance. Other cardboard inserts maybe stored in the same manner. Packingmaterials that cannot be collapsedshould be saved along with the carton ina plastic bag.

If you do not wish to save the packagingmaterials, please note that the cartonand other sections of the shipping protec-tion are recyclable. Please respect theenvironment and discard those materialsat a local recycling center.

Typographic Conventions

In order to help you use this manualwith the remote control, front panelcontrols and rear panel connections,certain conventions have been used.

Example – (bold type) indicates aspecific remote control or front panelbutton, or rear panel connection

Example – (OCR type) indicates amessage that is visible on the front panelinformation display

EXAMPLE – (bold type) indicates a litindicator in the front panel informationdisplay

1 – (number in a square) indicates aspecific front panel control

¡ – (number in a circle) indicates a rear panel connection

å – (letter in a circle) indicates abutton on the main portion of the remote control

A – (letter in a square) indicates abutton under the sliding panel on thelower portion of the remote control

6

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Front Panel Controls7

1 Main Power Switch2 System Power Control3 Power Indicator4 Headphone Jack5 Speaker 1 Button6 Speaker 2 Button7 Bass Control8 Treble Control9 Balance Control

) Phono Button! Tape Monitor@ Tape 2 Button# CD Button$ Aux Button% AM Button^ FM Button& Tuning Button* Preset Scan

( Preset Stations SelectorÓ FM ModeÔ Mute Volume ControlÒ Volume/Mute IndicatorÚ Information DisplayÛ Remote Sensor Window

HK 3270

PHONO CD FMAMAUX PRESET SCAN FM MODEPRESETTUNING

PhonesPower

Mute

RLMaxMinMaxMin

Bass Treble Balance

Volume

T•MON T•2

Speakers21

TUNED STEREO MONO MEMO

MINMHz

PRESETMHz

SLEEP

) # $ % ^

3 4 5 6 7 8 9

1

2

& ( Ô

Ó

ÚÛ

! @ *

Ò

HK3270 "U" om (B) 2/5/99 10:40 AM Page 7

Front Panel Controls8

1 Main Power Switch: Press thisbutton to apply power to the HK3270.When the switch is pressed in theunit is placed in a Standby mode, asindicated by the amber LED 3 sur-rounding the System Power Control2. This button MUST be pressed into operate the unit. To turn the unit offand prevent the use of the remotecontrol, this switch should bepressed until it pops out from thefront panel so that the word “OFF”may be read at the top of the switch.

NOTE: In normal operation thisswitch is left in the “ON” position.

2 System Power Control: Whenthe Main Power Switch 1 is “ON,”press this button to turn on theHK3270; press it again to turn the unit off. Note that the PowerIndicator surrounding the switch 3will turn green when the unit is on.

3 Power Indicator: This LED willilluminate in amber when the unit isin the Standby mode to signal thatthe unit is ready to be turned on.When the unit is in operation, theindicator will turn green. A red indi-cator means that the unit is in theProtect mode, and should be turnedoff and then checked for a possiblespeaker wire short circuit.

4 Headphone Jack: This jack maybe used to listen to the HK3270’soutput through a pair of headphones.Be certain that the headphones havea standard 1⁄4" stereo phone plug.

5 Speaker 1 Button: Press thisbutton to activate the speakerconnected to the Speaker 1 outputterminals fl.

6 Speaker 1 Button: Press thisbutton to activate the speakerconnected to the Speaker 2 outputterminals ‡.

7 Bass Control: Turn this control tomodify the low-frequency output ofthe left/right channels by as much as±10dB. Set this control to a suitableposition for your taste and roomacoustics.

8Treble Control: Turn this controlto modify the high-frequency outputof the left/right channels by as muchas ±10dB. Set this control to asuitable position for your taste androom acoustics.

9 Balance Control: Turn thiscontrol to change the relative volumefor the front left/right channels.

) Phono Button: Press this buttonto select the output of a turntablewhich is connected to the Phonoinputs§.

!Tape Monitor: Press this button to listen to the output of atape recorder connected to theTape Monitor inputsª. A red LEDindicator will illuminate above thebutton to indicate that the inputsource is being monitored when theHK3270 is connected to a three-head tape deck or another unit withoff-head playback.

@Tape 2: Press this button to listento the output of a tape recorder orother device connected to the Tape 2inputs ⁄.

# CD Button: Press this button tolisten to the output of a CD playerconnected to the CD inputs ¶.

$ AUX Button: Press this button to listen to the output of deviceconnected to the AUX inputs •.

% AM Button: Press this button tolisten to radio stations in the AM(MW) frequency band.

^ FM Button: Press this button to listen to radio stations in the FMfrequency band.

&Tuning Button: Press the left side of the button to tune lowerfrequency stations and the right sideof the button to tune higher frequencystations. When a station with a strongsignal is tuned, the TUNED indicatorwill illuminate in the InformationDisplay Ú. A brief (1/2 second)press of the button will manuallytune to the next frequency incre-ment, while pressing and holding the button for a longer period willautomatically tune to the next stationwith a signal strong enough foracceptable reception.

* Preset Scan: Press this button to automatically scan through thestations that have been programmedin the HK3270’s memory. The tunerwill play five seconds of each stationbefore moving to the next presetstation. To stop the scan when thedesired station is heard, press thebutton again. (See page 15 for moreinformation on the tuner memorysystem.)

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Front Panel Controls

( Preset Stations Selector: Pressthis button to select stations thathave been entered into the presetmemory. (See page 15 for moreinformation on tuner programming.)

Ó FM Mode: Press this button toselect the stereo or mono mode forFM tuning. In the STEREO mode aStereo indicator will illuminate in theInformation Display Ú, and stereoreception will be provided when sta-tions are transmitting stereo signals.In the MONO mode the left and rightsignals from stereo broadcasts willbe mixed together and reproducedthrough all channels. Select MONOfor better reception of weak signals.

Ô Mute: Press this button tomomentarily silence the speakeroutput of the HK3270.

Volume Control: Turn the knobclockwise to increase volume, counterclockwise to decrease thevolume.

Ò Volume/Mute Indicator: Thisindicator will glow green when theHK3270 is turned on. Its position will enable you to judge the relativevolume of the unit even when thespeakers are muted or turned off.When the indicator is pointingtowards the left, at an “8 o’clock”position, the volume is low; when it is pointing to the right, as in a “3 o’clock” position, the volume isloud. When the unit has been muted,pressing the Mute button Ô ¬ theindicator will flash.

Ú Information Display: Thisdisplay delivers messages andstatus indications to help youoperate the receiver.

Û Remote Sensor Window: Thesensor behind this window receivesinfrared signals from the remote con-trol. Aim the remote at this area anddo not block or cover it unless anexternal remote sensor is installed.

9

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Rear Panel Connections10

AC 120V 60HZ

400W

(120V, 60Hz)

IN

FM75 Ω

AMLOOP

IN IN IN PLAY REC. OUT PLAY REC. OUT MONO

RIGHT LEFT

SUB OUTPRE OUTMAIN INTAPE MON. TAPE 2AUXCDPHONO

OUT

L

R

GND

S P E A K E R 1 ( 8 O h m s )

S P E A K E R 2 ( 8 O h m s )

£

¢

∞

¡

™

‹›fi‚⁄ª•§ ¶ fl ‡ ·°

¡ AM Antenna™ FM Antenna£ Phono Ground¢ Remote IR In∞ Remote IR Out§ Phono Inputs¶ CD Inputs

• Aux Inputsª Tape Monitor Play/In‚ Tape Monitor Record/Out⁄ Tape 2 Play/In

Tape 2 Record/Out‹ Main In› Preamp Out

fi Subwoofer Outfl Speaker 1 Terminals‡ Speaker 2 Terminals° Accessory Outlets· Power Cable

¡ AM Antenna: Connect the AMloop antenna supplied with thereceiver to these terminals. If anexternal AM antenna is used, makeconnections to the AM and GNDterminals in accordance with theinstructions supplied with theantenna.

™ FM Antenna: Connect an indooror external FM antenna to this terminal.

£ Phono Ground: Connect theground wire from a turntable to thisterminal to reduce system hum.

¢ Remote IR In: If the HK3270’sfront panel IR sensor is blocked dueto cabinet doors or other obstructions,an external IR sensor may be used.Connect the output of the sensor tothis jack.

∞ Remote IR Out: This connectionpermits the IR sensor in the receiverto serve other remote controlleddevices. Connect this jack to the “IR IN” jack on Harman Kardon orother compatible equipment.

§ Phono Inputs: Connect the out-puts of your turntable or tone arm tothese jacks. Note that only MovingMagnet (MM) type cartridges maybe used.

¶ CD Inputs: Connect these jacksto the output of a compact discplayer or CD changer.

• Aux Inputs: Connect these jacksto the line-level output of any audiodevice such as a TV, cable converteror portable audio player.

HK3270 "U" om (B) 2/5/99 10:40 AM Page 10

Rear Panel Connections11

ªTape Monitor Play/In: Connectthese jacks to the Play/Out jacks ofan audio recorder.

‚Tape Monitor Record/Out:Connect these jacks to the Rec/Injacks of an audio recorder.

NOTE: When these jacks are con-nected to a three-head recorder oranother device with off-head play-back, it will be possible to monitorthe source being recorded.

⁄Tape 2 Play/In: Connect thesejacks to the PLAY/OUT jacks of asecond audio recorder.

Tape 2 Record/Out: Connectthese jacks to the Rec/In jacks of asecond audio recorder.

‹ Main In: These jacks are the inputto the HK3270’s power amplifier. Unlessan external power amplifier is used, thejumper pins should remain connectedto the Preamp Out jacks ›.

› Preamp Out: These jacksproved an output for the left andright channels to an optional exter-nal amplifier. In normal operation,unless an external power amplifier is used, the jumper pins shouldremain connected to the Main Injacks ‹.

fi Subwoofer Out: Connect thesejacks to the line level input of a pow-ered subwoofer. If an external sub-woofer amplifier is used, connect thisjack to the subwoofer amplifier input.

fl Speaker 1 Terminals: Connectthese terminals to the appropriateterminals on your speakers.

‡ Speaker 2 Terminals: Connectthese terminals to the appropriateterminals on your speakers.

° Accessory Outlets: Theseoutlets may be used to power low-current draw devices such as CDplayers or cassette decks. Note thatthe power to these outlets will remainon as long as the Main PowerSwitch 1 is pressed in. These outletswill continue to be powered evenwhen the unit is in the Standby mode.To remove power to these outlets, theMain Power Switch 1 must beplaced in the OFF position.

NOTE: The power consumption of the devices plugged into theseoutlets should not exceed 100 watts.

· Power Cable: Connect the ACplug to a non-switched AC wall output.

HK3270 "U" om (B) 2/5/99 10:40 AM Page 11

Remote Control Functions12

ON OFF

MASTER VOL.

1 2 3

4

7 98

0

5 6

TAPE 2

TUNING

DWN - TUNING - UP

MAIN POWER

P. SCAN MUTE

SLEEP

DIMMER

DIRECT MEMORY

PRESET

AUTO CLEAR

HK 3270 RC

PHONO TAPE 1

AUX AM FMCD

DWN - PRESET - UP

/

DISC SKIP FM MODE

S

T

å

©

˙

O

P

Q

R

∆

∫

ç

∂

≠

ƒ

¬

µ

å Main Power On∫ Main Power Offç Source Selectors∂ Preset Up/Down≠ Transport Controlsƒ Disc Skip© Sleep Button˙ Dimmer

Tuning∆ Master Volume

P•Scan¬ Muteµ FM Mode

Tuning Up/DownO DirectP Numeric KeysQ Auto PresetR Secondary Control CoverS Clear ButtonT Memory

HK3270 "U" om (B) 2/5/99 10:40 AM Page 12

Remote Control Functions

å Main Power On: When theHK3270 is in the Standby mode, asindicated by the Power Indicator 3glowing amber, press this button toturn the HK3270 on.

∫ Main Power Off: When theHK3270 is turned on, press thisbutton to place it in the Standbymode. Note that in this condition, the unit is still connect to AC Power.

ç Source Selectors: Press thesebuttons to select an input source forthe HK3270.

∂ Preset Up/Down: When the tuner is in use, these buttons scrollthrough the stations that have beenprogrammed into the HK3270’smemory. These buttons also controlthe track Skip Up and Down on com-patible Harman Kardon compactdisc players/ changers.

≠Transport Controls: These but-tons are used to control Play, PlayForward, Play Reverse, Stop, Pauseand Record functions on compatibleHarman Kardon compact disc players/changers and cassette tape decks.

ƒ Disc Skip: These buttons do nothave any functions when controllingthe HK3270, but they operate theDisc Skip functions of compatibleHarman Kardon compact discchangers.

© Sleep Button: Press this buttonto place the unit in the Sleep mode.After the time shown in the display,the HK3270 will automatically go intothe Standby mode. Each press ofthe button changes the time untilturn-off in the following order:

90min

80min

70min

60min

50min

40min

30min

20min

10min

OFF

˙ Dimmer: Press this button onceto reduce the brightness of the frontpanel display to half the normalintensity. Press it again to turn thefront panel display completely off.When the display is completely off,press the button to return to normalbrightness.

Tuning: Press these buttons totune up or down through a selectedfrequency band.

∆ Master Volume: Press thesebuttons to raise or lower theHK3270’s volume.

P•Scan: Press this button toautomatically scan through the list ofstations that are programmed intothe HK3270’s tuner memory. Whenthe button is pressed, each presetstation will play for five secondsbefore the next station is selected.Press the button again when thedesired station is heard to stop thepreset scan.

¬ Mute: Press this button tomomentarily silence the HK3270.

µ FM Mode: Press this button whenthe tuner is in use in the FM band toswitch to monaural reception if thestation is weak and noisy. When theMONO indicator is on, FM receptionwill be monaural regardless of thestrength of the tuned FM station.(See page15 for more information.)

Tuning Up/Down: When the tuneris in use, these buttons will tune up ordown through the selected frequencyband. A brief (1⁄2 second) press ofthe button will manually tune to thenext frequency increment, whilepressing and holding the button for alonger period will automatically tuneto the next station with a signal strongenough for acceptable reception.These buttons will also control FastForward and Fast Reverse (or Rewind) for compatible HarmanKardon compact disc players/changers and cassette tape decks.

O Direct : Press this button to selecta radio station by entering its fre-quency using the Numeric Keys R.(See page15 for more information.)

P Numeric Keys: These buttonsserve as a ten-button numeric key-pad to enter tuner preset positions.

Q Auto Preset: When the tuner andFM band have been selected, thisbutton may be used to automaticallyprogram the tuner presets for allactive stations. To start the auto pre-set scan, press and hold the button.Note that the MEMO and PRESET indi-cators will flash. After a few seconds,the tuner will start to “look” for activestations, as shown by increasing fre-quency numbers in the InformationDisplay. Release the button and notethat the tuner will briefly stop at eachactive station and add a preset num-ber to the memory. If the FM tunerfound less the 30 FM stations withacceptable signal strength, the AutoPreset tuning will scan two morecycles or until the remaining vacantpreset memory spaces have beenfilled with those found in the firstscan. The scan will stop when all 30preset memory spaces have beenfilled or when three scans throughthe band have been completed.

R Secondary Control Cover: Thissliding cover normally is in the “up”position so that it hides the sec-ondary controls. To access thesecontrols, place your thumb on thesmall recessed area at the top cen-ter of the control, and gently pressthe cover down and towards you.

S Clear Button: This button is usedto clear preset memory informationfor the HK3270’s tuner. (See pages15–16 for more information on tunerpresets.)

T Memory: Press this button toopen a memory position that stores a preset location for the HK3270’stuner. (See pages15–16 for moreinformation on tuner presets.)

13

HK3270 "U" om (B) 2/5/99 10:40 AM Page 13

Installation and Connections

System InstallationAfter unpacking the unit, and placing iton a solid surface capable of supportingits weight, you will need to make theconnections to your audio and videoequipment. These steps need to be doneonly when the receiver is first installed,or when a change is made to the inputsource equipment.

Audio Equipment ConnectionsWe recommend that you use high-qualityinterconnect cables when making connec-tions to source equipment and recordersto preserve the quality of the signals.

When making connections to audiosource equipment or speakers it is alwaysa good practice to unplug the unit fromthe AC wall outlet. This prevents any pos-sibility of accidentally sending audio ortransient signals to the speakers that maydamage them.

1. Connect the analog output of a CDplayer to the CD inputs ¶.

NOTE: When the CD player has bothfixed and variable audio outputs it is bestto use the fixed output unless you findthat the input to the receiver is so lowthat the sound is noisy, or high that thesignal is distorted.

2. Connect the Play/Out jacks of a cas-sette deck, MD or other audio recorder tothe Tape Monitor In jacks ª. Connectthe Record/In jacks on the recorder tothe Tape Monitor Out jacks ‚ on the HK3270. When the tape deck con-nected to these jacks is a three-head unitor has off-head playback, it will be possi-ble to monitor the output of the sourcebeing recorded.

3. Connect the output of a second audiorecorder, VCR or other line-level audiodevice to the Tape 2 Play/In jacks ⁄. If a recorder is used, connect its Rec/Injacks to the matching outputs ¤.

4. The output of any electronics productwith a line-level output, such as a TV set,satellite receiver or DVD may be connectedto the Aux jacks •.

5. Connect the outputs of a turntablewith a moving magnet cartridge to thePhono inputs §. To insure that thephono playback is noise-free, connect the ground wire from the tone arm to the Phono Ground terminal £.

6. Assemble the AM Loop Antennasupplied with the unit as shown below.Connect it to the AM screw terminals ¡.

7. Connect an FM antenna to the FM (75 ohm) connection ™. The FM antenna may be an external roofantenna, an inside powered or wire leadantenna or a connection from a cable TV system. Note that if the antenna orconnection uses 300-ohm twin-leadcable, you must use the 300-ohm-to-75-ohm adapter supplied with the unit to make the connection.

Speaker and Output ConnectionsTo assure that all the audio signals arecarried to your speakers without loss ofclarity or resolution, we suggest that youuse high-quality speaker cable. Manybrands of cable are available, and thechoice of cable may be influenced by thedistance between your speakers and thisreceiver, the type of speakers you use,personal preferences and other factors.Your dealer or installer is a valuableresource to consult in selecting theproper cable.

Regardless of the brand of cable selected,we recommend that you use a cable con-structed of fine, multistrand copper with agauge of 14 or smaller. Remember that inspecifying cable, the lower the number,the thicker the cable.

Cable with a gauge of 16 may be used forshort runs of less than ten feet. We do notrecommend that you use cables with anAWG equivalent of 18 or higher due tothe power loss and degradation inperformance that will occur.

Cables that are run inside walls shouldhave the appropriate markings to indicatelisting with UL, CSA or other appropriatetesting agency standards. Questions aboutrunning cables inside walls should bereferred to your installer or a licensedelectrical contractor who is familiar withthe NEC and/or the applicable localbuilding codes in your area.

14

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Installation and Connections

When connecting wires to the speakers, be certain to observe proper polarity.Remember to connect the “negative” or“black” wire to the same terminal on thereceiver and the speaker. Similarly, the“positive” or “red” wire should be con-nected to the like terminal on the HK3270and speaker.

We also recommend that the length ofcable used to connect speaker pairs beidentical. For example, use the samelength piece of cable to connect the frontleft and front right or surround left andsurround right speakers, even if thespeakers are a different distance fromthe HK3270.

NOTE: While most speaker manufacturersadhere to an industry convention of usingblack terminals for negative and red onesfor positive, some manufacturers mayvary from this configuration. To assureproper phase, and optimal performance,consult the identification plate on yourspeaker, or the speaker’s manual to verifypolarity. If you do not know the polarity of your speaker, ask your dealer for advice before proceeding, or consult the speaker’s manufacturer.

Connect the speakers using the followingsteps:

1. Connect the main speakers to theSpeaker 1 terminals fl.

2. Connect a second set of speakers, or speakers that are in a second roomlocation to the Speaker 2 terminals ‡.

3. When an optional, powered subwooferis used, connect the outputs of theSubwoofer Out jacks fi to the line-level inputs of the subwoofer. When thesubwoofer’s amplifier has stereo inputs,run interconnects from both jacks. Whenthe subwoofer has a mono input only,use the bottom jack for the connection.When a passive subwoofer is used, theseconnections will be made to the optionalamplifier that powers the subwoofer.

System and Power Connections

The HK3270 is designed for flexible usewith external control components andpower amplifiers. These connections areeasy to make during an initial installa-tion, or at a later date should you chooseto upgrade your system.

Remote Control ExtensionIf the receiver is placed behind a solid orsmoked glass cabinet door, the obstruc-tion may prevent the remote sensor fromreceiving commands. In this event, anoptional remote sensor may be used.Connect the output of the remote sensorto the Remote Cont. In jack ¢.

If other components are also preventedfrom receiving remote commands, onlyone sensor is needed. They may use thisunit’s sensor or a remote eye by runninga connection from the Remote Cont.Out jack ∞ to the Remote In jack onHarman Kardon or other compatibleequipment.

External Audio Power AmplifierConnectionsIf desired, an optional, external amplifiermay be used in place of the HK3270’sinternal power amplifier.

To connect an external power amplifier,first remove the jumper pins that connectthe Preamp Out › and Main In ‹

jacks on the rear panel. Keep the jumpersin a safe place should they be needed at alater time.

Using high-quality audio interconnectcables, connect the Preamp Out jacks› to the input jacks on your poweramplifier. Make certain to match theright output to the right input and theleft output to the left input.

Note that when an external power ampli-fier is used, no special adjustments arerequired. All volume and other controladjustments are made using the standardfront panel or remote controls.

AC Power ConnectionsThe Accessory Outlets ° receivepower as long as the Main PowerSwitch 1 is in the “ON” position.Power will still be supplied to these out-lets even when the HK3270 is in theStandby mode.

In order to remove power to these outlets,the unit must be turned off by pressingthe Main Power Switch 1 so that it isin the “OFF” position.

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Installation and Connections

Speaker Placement

For optimal listening enjoyment, and forsoundfield reproduction that best re-createsthe original recording, it is good practice to place the speakers so that they form atriangle with the speakers at the front of the room, and the preferred listening spotat the third point of the triangle. Thedistance between each speaker and thelistener should be identical.

For example, if the speakers are 2.5meters from one another, each of thespeakers should optimally be placed sothat they are also 2.5 meters from the lis-tener. It is also desirable to place speakersso that their tweeters, or high-frequencydrivers are aimed at ear height when youare seated in the listening position.

To optimize the soundfield, or to suit your listening room environment, youmay find that some experimentation isrequired to find the correct location.Ideally, pans from left to right across thefront of the room should sound smooth,and instruments should appear to becoming from the proper location to wherethey would be placed in an orchestra.

The placement of subwoofers should bedone as suggested in the manufacturer’sinstructions. In general, subwoofers oftenproduce best results when they are placedin the corner of a room, but optimal place-ment will vary widely depending on roomsize, the subwoofer type and the placementof rugs and furniture in a room.

Finally, when all connections are com-plete, plug the power cord into a non-switched 120-volt AC wall outlet. You’reready to enjoy the HK3270!

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Right FrontSpeaker

Left FrontSpeaker

A good starting point for speaker place-ment is to make the distance between thetwo speakers and the distance betweeneither speaker and the listener is identical.

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Operation

Basic Operation

Once you have completed the setup andconfiguration of your new receiver, it issimple to operate and enjoy. The follow-ing instructions will provide the stepsneeded to enjoy the HK3270:

• Install the two supplied AAA batteriesin the remote as shown. Be certain toobserve the (+) and (–) polarity indica-tors shown in the bottom of the batterycompartment.

• When using the HK3270 for the firsttime, it is necessary to press the MainPower button 1 on the front panel toturn the unit on. This places the unit ina standby mode, as indicated by theamber color of the Power Indicator3 . Once the unit is in standby, you maybegin a listening session by pressing theSystem Power Control 2 on thefront panel or the Main Power Onbutton å on the remote. Note that thePower Indicator 3 will turn red, thengreen. This will turn the unit on andreturn it to the input source that was lastused. The unit may also be turned onfrom standby by pressing any of theSource Selector buttons on the frontpanel )!@#$%^.

To turn the unit off at the end of alistening session simply press theSystem Power Control 2 on thefront panel or the Main Power Offbutton ∫ on the remote. This places the unit in the Standby mode, and thePower Indicator 3 will turn amber toremind you that the unit is ready foroperation when a power command isreceived from the remote. Please notethat power will still be applied to theAccessory Outlets ° even when theunit is in the Standby mode.

When the remote is used to turn the unit“off” it is actually placing the system in astandby mode, as indicated by the ambercolor of the Power Indicator 3.

When you will be away from home for an extended period of time it is always a good idea to completely turn the unit off using the front panel MainPower Switch 1.

• To dim the brightness of the front paneldisplay, press the Dimmer button ˙ onthe remote. The first press will dim thelights to half normal. A second press willturn the display completely off. Press theDimmer button ˙ again to restore thedisplay to normal brightness.

Source Selection

• To select a source at any time, pressany of the Source Selector buttons onthe remote ç or front panel )!@

#$%^.

• During a listening session you maywish to adjust the Bass 7 and Treble8 and Balance 9 controls to suityour listening tastes.

• Adjust the volume to a comfortablelevel using the front panel VolumeControl or remote Master VolumeUp/Down ∆ buttons.

• To temporarily silence all speakeroutputs press the Mute button ¬Ô. This will cut the output to all speakers,but it will not effect any recording ordubbing that may be in progress. Whenthe system is muted the MUTE indicatorwill light in the Information DisplayÚ and the Volume/Mute indicator Òwill flash. Press the Mute button ¬Ô

again to return to normal operation.

• For private listening, plug the 1/4"stereo phone plug from a pair of stereoheadphones into the front panelHeadphone jack 4.

• One or two separate sets of speakersmay be connected to the HK3270. To listen to one of the speaker sets pressthe Speaker buttons 5 6 on the front panel corresponding to the desiredspeakers. Both speakers may be turnedoff for private headphone listening.

• To program the HK3270 for automaticturn off, press the Sleep button © on theremote. Each press of the button willincrease the time before shut down in thefollowing sequence:

The sleep time will be displayed in theInformation Display and it will countdown until the time has elapsed.

90min

80min

70min

60min

50min

40min

30min

20min

10min

OFF

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Operation

When the programmed time has elapsedthe unit will automatically turn off. Notethat the front panel display will dim toone half brightness when the Sleep func-tion is programmed. To cancel the Sleepfunction, press the Sleep button © untilthe Sleep indicator numbers disappearand the Information Display shows thecurrent source. Pressing any control but-ton while the Sleep control is activatedwill momentarily return the InformationDisplay to full brightness for increasedlegibility without interrupting the Sleepfunction.

Tuner Operation

The HK3270’s tuner is capable of tuningAM, FM and FM Stereo broadcast stations.Stations may be tuned manually, or theymay be stored as favorite station presetsand recalled from a 30-position memory.

Station Selection1. Press the AM % or FM ^ buttonson the front panel or on the remote çto select the tuner as an input.

2. Press these buttons again at any timeto switch between AM and FM.

3. To select stations press, and brieflyhold, the Tuning button & and thetuner will search for the next highest orlowest frequency station that has anacceptable signal. To tune to the nextstation, press the button again. Tap theTuning button & to advance onefrequency increment at a time, or pressand hold it to locate a specific station.When the TUNED indicator illuminates,the station is properly tuned and shouldbe heard with clarity.

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4. Stations may also be tuned directly by pressing the Direct button O, andthen pressing the Numeric Keys P

that correspond to the station’s frequency.The desired station will automatically be tuned.

NOTE: When the FM reception of astation is weak, audio quality will beincreased by switching to Mono mode by pressing the FM Mode button Óµ until the STEREO indicator goes out.

Preset TuningUp to 30 stations may be stored in theHK3270’s memory for easy recall using thefront panel controls or the remote.

To enter a station to the memory, firsttune the station using the steps outlinedabove. Then:

1. Press the Memory button T on the remote. Note that MEMO and PRESETindicators will illuminate and flash inthe Information Display.

2. Within five seconds, press theNumeric Keys P corresponding to the location where you wish to store thisstation’s frequency.

3. Repeat the process after tuning anyadditional stations to be preset.

Auto Preset• Preset stations may also be pro-grammed automatically for the FMband. To automatically enter each sta-tion that may be tuned with acceptablequality into the HK3270’s preset memo-ries, first select the FM band. Next, pressand briefly hold the Auto Preset but-ton Q until the MEMO and PRESETindicators begin to flash, and the station

frequency indication begins to increase.Release the button and note that thetuner will search the entire FM band, andstop briefly at each station that hasacceptable signal strength. The HK3270will automatically assign a preset num-ber to each station, and then search forthe next station. The automatic scanprocess will stop when all 30 preset mem-ory locations have been filled or the entireFM band has been scanned three times.

NOTE: Using the automatic tuning modein areas with more than 30 FM stationswill completely fill the preset memories,and over-write any previously memorizedpresets for either AM or FM stations.

TIP: The automatic scan process may enter stations that you do not wish to retain in the memory, or it may enter a station on more than onefrequency if the signal is too strong.These unwanted stations may beremoved from the memory using thePreset Clear function outlined below.

Recalling Preset Stations• To manually select a station previouslyentered in the preset memory, press theNumeric Keys P that correspond tothe desired station’s memory location.

• To manually tune through the list ofstored preset stations one by one, pressthe Preset buttons (∂ on the frontpanel or remote.

• To automatically scan through thestations entered in the preset memory,press the Preset Scan button * onthe front panel or remote. The tuner willrun through the list of preset stations,stopping for five seconds at each one.Press the button again to stop the scan atyour desired station.

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Operation

Clearing Preset StationsUnwanted preset stations may be erasedfrom the unit’s memory to make it easierto tune only those stations you want.

To remove a preset station from theHK3270’s tuner memory, first tune to thestation using the Preset Scan button* on the front panel or remote, orby entering the preset number directly,using the Numeric Keys P.

When the preset station to be removedhas been tuned, first press the Memorybutton T. The MEMO and PRESET indi-cators in the Information Display willflash, and the actual preset number willdisappear from the display. Next, press theClear button S within five seconds.

The preset station will be removed fromthe memory, and the action will be con-firmed by the brief appearance of theword CLEAR and the preset numberlocation in the Information Display. Thatmemory location will now be empty, andyou may program a different station tothat location, or leave it empty.

Tape Recording

In normal operation, the audio sourceselected for listening through the HK3270is sent to the Tape Mon Out and Tape 2Rec Out outputs. This means that anyprogram you are listening to may berecorded simply by placing machines con-nected to the outputs for Tape Monitor‚ or Tape 2 ¤ in the record mode.

When a tape recorder with separate recordand playback heads is used, you maymonitor the output of the recording byselecting the T•Mon ! or Tape 1 ç.Note that a red LED will illuminate in thefront panel above the T•Mon ! toremind you that you are listening to therecord playback instead of the actualinput source being recorded.

IMPORTANT NOTE: Please make cer-tain that you are aware of the copyrightrestrictions on any material you copy.

Memory Backup

This product is equipped with a memorybackup system that preserves tuner pre-sets and system configuration informa-tion if the unit is accidentally unpluggedor subject to a power outage.

Processor Reset

In the rare case where the unit’s opera-tion or the displays seem abnormal, thecause may involve the erratic operation ofthe system’s memory or microprocessor.

To correct this problem, first unplug theunit from the AC wall outlet and wait atleast three minutes. After the pause,reconnect the AC power cord and checkthe unit’s operation. If the system stillmalfunctions, a system reset may clearthe problem.

If the system still does not respond, itmay be necessary to perform a completereset. To reset the system, first turn theHK3270 off by pressing the Main PowerSwitch 1 and then releasing it so thatit extends out beyond the front panel andthe word “OFF” is visible in red letteringat the top of the switch.

Next, press and hold the T•Mon and CDInput Selector buttons !# on thefront panel ONLY. While holding thesebuttons in, press the Main PowerSwitch 1 in until it latches so that thebutton is flush with the front panel.

The Information Display will brieflyshow the word RESET, and then returnto normal operation.

Note that when the system is reset in thisfashion, all tuner presets will be lost andmust be reentered.

If the system is still operating incorrectly,there may have been an electronicdischarge or severe AC line interferencethat has corrupted the memory ormicroprocessor.

If these steps do not solve the problem,consult an authorized Harman Kardonservice depot.

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Troubleshooting Guide20

This unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. So, if you have a problem,first check this list for a possible solution. If the problem persists, consult your authorized Harman Kardon Service Center.

If the problem is... Make sure that the...

No lights illuminate when POWER button is pressed Unit is plugged into a live outletMain power switch is pressed in

No sound is heard Unit has not been mutedCorrect input function selector button has been pressedVolume is turned up

No output from one or more channels Cables are not defective: Check/replace speaker cables

Tuner sound has a large amount of interference, or The antenna is properly connectedThe “Stereo” display is not illuminated, or The antenna is properly locatedTuner sound distorts and/or volume level is too low The antenna is set in the proper direction

The antenna is adequate to receive the desired station

Tuner is intermittent or continuously buzzing or hissing The unit is away from fluorescent lights, TVs, motors and other electrical appliances

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Technical Specifications21

Audio SectionStereo Mode Continuous Average Power (FTC)

65 Watts per channel, 20Hz–20kHz@ < 0.08% THD, both channels driven into 8 ohms95 Watts per channel, 20Hz–20kHz@ < 0.2% THD, both channels driven into 4 ohms

Input Sensitivity/ImpedanceLinear (High Level) 200mV/47kohms

Signal-to-Noise Ratio (IHF-A) 95dB

Frequency Response @ 1W (+0dB, –3dB) 10Hz–80kHz

High Instantaneous Current Capability (HCC) ±42 Amps

Transient Intermodulation Distortion (TIM) Unmeasurable

Rise Time 16 µsec

Slew Rate 40V/µsec

FM Tuner SectionFrequency Range 87.5–108MHzUsable Sensitivity IHF 1.12 µV/12.3dBfSignal-to-Noise Ratio Mono/Stereo 72/70dBDistortion Mono/Stereo 0.3/0.5%Stereo Separation 40dB @ 1kHzSelectivity ±400kHz, 65dBImage Rejection >80dBIF Rejection >100dBTuner Output Level 1kHz, ±100kHz Dev 500mV

AM Tuner SectionFrequency Range 520–1710kHzSignal-to-Noise Ratio >40dBUsable Sensitivity Loop 500µV/MDistortion 1kHz, 50% Mod 0.8%Selectivity ±10kHz, >25dB

GeneralPower Requirement AC 120V/60HzPower Consumption 72W idle, 332W maximum

(both channels driven)

Dimension (Max)Width 17.4 inches (442mm)Height 6.1 inches (156mm)Depth 16.3 inches (415mm)Weight 24.6 lbs. (11.2 kg)

Depth measurement includes knobs, buttons and terminal connections.

Height measurement includes feet and chassis.

All features and specifications are subject to change without notice.

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Staple or clip original invoice here.

HK3270 "U" om (B) 2/5/99 10:40 AM Page 24

HK 3270

PHONO CD AU

PhonesPower

T•MON T•2

Speakers21

Printed in Korea Part #1111-HK3270OMYIAR-I3000-ZZA

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