HarmanKardon-TU980_230-tun-sm维修电路原理图.pdf

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1、 harman/kardon Service Manual TU 980/230 FM/AM/Dual-band DAB Tuner with RDS CONTENTS FRONT PANEL CONTROLS 2 EXPLODED VIEW AND PARTS 13 REAR PANEL CONNECTIONS 3 ELECTRICAL PARTS LIST 14 REMOTE CONTROL FUNCTIONS 4 SEMICONDUCTOR FUNCTION/PINOUTS 21 TROUBLESHOOTING GUIDE 5 PCB DRAWING 29 TECHNICAL SPECI

2、FICATIONS 6 BLOCK DIAGRAM 30 PACKAGE LIST AND PARTS 11 WIRING DIAGRAM 31 DISASSEMBLY 12 SCHEMATIC DIAGRAM 32 Released EU2010 harman/kardon, Inc. Rev 0, 09/2010 250 Crossways Park Dr. Woodbury, New York, 11797 harman/kardonTU 980 Service ManualPage 1 of 32RadioFans.CN 收音机爱 好者资料库?Power Indicator:This

3、LED will illuminate inamber when the unit is in the Standby mode tosignal that the unit is ready to be turned on.When the unit is in operation, the indicator willturn blue.1System Power Control: Press this buttonto turn on the TU 980; press it again to turn theunit off (to Standby). Note that the Po

4、wer Indi-cator?next to the switch will turn blue whenthe unit is on.2Band Selector: Press this button to changebetween the DAB, FM and AM frequency bands.3Function/FM Mode Selector: In DABmode, pressing this button will activate stationorder, preset tune, Dynamic Rate Control ormanual tune features.

5、 In FM mode, press thisbutton to select the stereo or mono mode forFM tuning. In the stereo mode, the wordSTEREOwill be shown in the InformationDisplay6, and stereo reception will be provided when stations are transmitting stereosignals. In the mono mode, the left and right signals from stereo broad

6、casts will be mixedtogether and reproduced through all channels.Select MONOfor better reception of weak signals. 4Info/RDS Button: In DAB mode, pressingthis button will change the content of the lowerdisplay line of the Information Display as shownon page 9, as well as signal error rate and soft-war

7、e version. In RDS mode, it will changebetween the different RDS options.5Auto Tune Button: In DAB mode, press thisbutton to automatically scan all available stations.6Information Display:This dual line displaydelivers messages and status indications to helpyou operate the tuner.7Dimmer: Press this b

8、utton to dim the frontpanel display. The first press of the button willdim the displays to one-half normal brightness;the next press will turn off the display. Press thebutton again to turn the displays back to normalbrightness.The display will return to normal brightness thenext time the unit is tu

9、rned on.8Memory Button: Press this button to openthe memory position that stores a preset location in the tuner. 99 DAB presets can bestored, as well as 30 FM and 30 AM presets.(See page 9 for more information on tuner presets.)9Control Ring:Turn counterclockwise totune lower frequency stations and

10、clockwise totune higher frequency stations. When a stationwith a strong signal is tuned, the InformationDisplay6will read TUNED. Turn again totune to the next frequency increment in ManualTune Mode, or automatically to the next station with a signal strong enough for acceptable reception in Auto Tun

11、e Mode. The ring also controls the parameters in the different menus.A Select: In FM or AM mode, press this button to select Auto Tune, Manual Tune orPreset Tune. In DAB mode, press this button toselect the displayed station.BRemote Sensor Window:The sensorbehind this window receives infrared signal

12、sfrom the remote control. Aim the remote at thisarea and do not block or cover it unless anexternal remote sensor is installed.13456782?9A4 FRONT PANEL CONTROLSFront Panel Controls?123456789ABPower IndicatorSystem Power ControlBand selectorFunction/FM Mode SelectorInfo/RDS ButtonAuto Tune ButtonInfo

13、rmation DisplayDimmerMemoryControl RingSelectRemote Control Sensorharman/kardonTU 980 Service ManualPage 2 of 32RadioFans.CN 收音机爱 好者资料库REAR PANEL CONNECTIONS 5Rear Panel Connections? ? ? ? ? ? ? ? ? ? ?Optical and Coaxial Digital OutputsFM AntennaAM AntennaAnalog Audio OutputsDAB AntennaAC Power Cor

14、dRemote Control OutputRemote Control InputSoftware Update and Reset Button?Optical and Coaxial Digital Outputs:Connect one of these jacks to the optical orcoaxial digital input of your pre amplifier or integrated amplifier, if available.Note that these digital outputs only contain thedigital signal

15、from the DAB stations. For FM/AMreception, you will have to connect the analogoutputs at all times.?FM Antenna: Connect an indoor or exter-nal FM antenna to this terminal.?AM Antenna: Connect the AM loop antenna supplied with the receiver to these terminals. If an external AM antenna is used,make co

16、nnections to the AM and GND terminals in accordance with the instructionssupplied with the antenna.?Analog Audio Outputs: Connect thesejacks to the tuner input of your pre amplifier orintegrated amplifier for analog audio playback.Be certain to observe proper channel connections using the color-code

17、d cables andconnectors so that red connects right channelsand white connects left channels.NOTE: Before making any audio connections,unplug all components of your audio systemfrom their AC power outlets. To reduce the possibility of hum or noise in your system, placeall audio interconnection cables

18、away from bothAC power cords and speaker wires.?DAB Antenna: Connect a DAB antenna tothis terminal.?AC Power Cord: Connect this plug to anAC outlet. If the outlet is controlled by a switch,make certain that it is in the ON position.?Remote Control Output: Connect thisjack to the infrared (IR) input

19、jack of anothercompatible Harman Kardon remote controlledproduct to have the built-in Remote Sensor onthe tuner provide IR signals to other compatibleproducts.?Remote Control Input: Connect the output of a remote infrared sensor, or theremote control output of another compatibleHarman Kardon product

20、, to this jack. This willenable the remote control to operate even whenthe front panel Remote Sensor on the tuner isblocked. This jack may also be used with compatible IR remote control-based automationsystems.?Software Update and Reset Button(for Service Stations Only): This specializedconnector ma

21、y be used with your personal com-puter in case Harman Kardon offers a softwareupgrade for the tuner at some time in thefuture. The Reset Button is only used during asoftware upgrade. A standard processor reset isperformed by pressing and holding the front-panel Function/FM Mode Button.ENGLISHharman/

22、kardonTU 980 Service ManualPage 3 of 320123456789A6 REMOTE CONTROL FUNCTIONSRemote Control Functions0246789A531Standby/Power On Numeric KeysClear ButtonInfo/RDS ButtonAuto Tuning ButtonScroll ButtonFunction/FM Mode SelectorBand SelectorSelect ButtonMemory ButtonStandby/Power Off0Standby/Power On: Pr

23、ess this button toturn on the TU 980. Note that the Power Indicator?next to the switch will turn bluewhen the unit is on.1Numeric Keys:These buttons serve as aten-button numeric keypad to enter tuner presetpositions or to tune stations directly.2Clear Button: Press this button to clearpresets from y

24、our station list.3Info/RDS Button: Pressing this button willchange the content of the lower display line ofthe Information Display as well as signal errorrate and software version. (See page 9 for moreinfo).4Auto Tune Button: In DAB mode, pressthis button to automatically scan all available stations

25、.5Scroll Buttons: Press Lto tune lower frequency stations and Kto tune higher frequency stations. When a station with a strongsignal is tuned, the Information Display6will read TUNED. Press again briefly to tune tothe next frequency increment in Manual TuneMode, or keep pressed for automatic search

26、forthe next station with a signal strong enough foracceptable reception in Auto Tune Mode. Thesebuttons also control the parameters in the different menus, like the Control Ring9onthe front panel.6Function/FM Mode Selector: In DABmode, pressing this button will activate stationorder, preset tune, Dy

27、namic Rate Control or manual tune features. In FM mode, press this button to select the stereo or mono mode for FMtuning. In the stereo mode, the word STEREOwill be shown in the Information Display6,and stereo reception will be provided when stations are transmitting stereo signals. In themono mode,

28、 the left and right signals from stereobroadcasts will be mixed together and reproduced through all channels. Select MONOfor better reception of weak signals. 7Band Selector: Press this button to changebetween the DAB, FM and AM frequency bands.8Select: In FM or AM mode, press this button to select

29、Auto Tune, Manual Tune or PresetTune.9Memory Button: Press this button to openthe memory position that stores a preset locationin the tuner. 99 DAB presets can be stored, aswell as 30 FM and 30 AM presets. (See page 9for more information on tuner presets.)AStandby/Power Off: Press this button toturn

30、 the unit off (to Standby).harman/kardonTU 980 Service ManualPage 4 of 3212 TROUBLESHOOTING GUIDETroubleshooting GuideThis unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. If you have a problem, first check this list for apossible solution. If t

31、he problem persists, consult your authorized Harman Kardon Service Center.If the problem is.Make sure that the.No lights appear when System Power button is pressedUnit is plugged into a live outlet.Make sure the outlet is active.No sound is heardTune to an active station.Check for correct amplifier

32、settings.Check the connections and wires.Sound distorts, particularly in stereo mode.Use a more directional antenna.Intermittent or continuous buzzing or hissing.Place the unit farther away from these appliances. Install noise filters on the appliances.Display says No stations AvailableCheck that an

33、tenna is connected.Ensure that DAB coverage exists in your area.Display has gone blank or says service off airThis may occur if a broadcaster changes the label of a service or removes a label whilst youare listening to it. Try to retune to this station, using the Autotune procedure. harman/kardonTU

34、980 Service ManualPage 5 of 32TECHNICAL SPECIFICATIONS 13Technical SpecificationsFM SectionFrequency Range87.50 MHz to 108.00 MHz (50 kHz steps) Signal-to-Noise Ratio65 dB (Mono) 60 dB (Stereo)Presets30SectionFrequency Range522 kHz to 1620 kHz (9 kHz steps) Signal-to-Noise Ratio35 dB Presets30DAB Se

35、ctionRF SectionBand lll, 174 MHz - 240 MHz Band L, 1452 MHz - 1492 MHzInput: 50 Ohm, nominal Max signal: -3 dBm typ Sensitivity: -96 dBm typAdjacent Channel Rejection: 35dB typ Display2 line by 16 character DOT Matrix Presets99Audio OutputStereo, 2.5V P-P48 kHz sample rate 16 bit sample resolutionOp

36、tical S/PDIFIEC60958 Compliant 48 kHz sample rate 24 bit sample resolutionGeneralPower Requirement220-230 V AC, 50/60 Hz Power Consumption11 W3 W (standby)Dimension (Max)Width442 mmHeight63 mm Depth334 mm (350 mm with DAB antenna)Weight3.4 kgDepth measurement includes knobs, buttons and terminal con

37、nections. Height measurement includes feet and chassis.All features and specifications are subject to change without notice.Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman Kardon, IncorporatedENGLISHharman/kardonTU 980 Service ManualPage 6 of 32ELECTRICAL SPECI

38、FICATION(BAND3 DAB)ELECTRICAL SPECIFICATION(BAND3 DAB) PJT PJT SAMPLING RATE : 48kHzPAGE:1/4MODEL : TU 980 STANDARD INPUT : -60dBm DATE : AUDIO SIGNAL(L&R) :bit rate128kbit/sPOWER SUPPLY : 230V240V , 50HzAUDIO SIGNALL(R) only :bit rate192kbit/s NODESCRIPTIONCONDITIONUNITNOMINALLIMITL chR ch1TUNING R

39、ANGELOWMHz174,928-HIGHMHz239,200-2INPUT SENSITIVITY dBm-98-90(T.H.D : 0.5%) dBm-98-90 dBm-98-903OUTPUT LEVEL V220.14S/N RATIO (IHF-A) d B95805T.H.D (20 kHz L.P.F)%0,020,056STEREO SEPARATION100Hzd B8070( 20kHz L.P.F)1kHzd B807010kHzd B8070742Hzd B0-316kHzd B0-3ADF-06-205(00)98.07.27FREQUENCY RESPONSE

40、 STANDARD(1kHz) (20kHz L.P.F)11D 222.064MHz11D 222.064MHz 11D 222.064MHz 11D 222.064MHz 5C 178.35MHz 11D 222.064MHz 11D 222.064MHz 13C 227.36MHzharman/kardonTU 980 Service ManualPage 7 of 32ELECTRICAL SPECIFICATION(L BAND DAB)ELECTRICAL SPECIFICATION(L BAND DAB) PJT PJT SAMPLING RATE : 48kHzPAGE:2/4

41、MODEL : TU 980STANDARD INPUT : -60dBm DATE : AUDIO SIGNAL(L&R) :bit rate128kbit/sPOWER SUPPLY : 230V240V , 50HzAUDIO SIGNALL(R) only :bit rate192kbit/s NODESCRIPTIONCONDITIONUNITNOMINALLIMITL chR ch1TUNING RANGELOWMHz1452,960HIGHMHz1490,6242INPUT SENSITIVITY dBm-95-85(T.H.D : 0.5%) dBm-95-85 dBm-95-

42、853OUTPUT LEVELV220.14S/N RATIO (IHF-A) d B95805T.H.D (20 kHz L.P.F)%0,020,056STEREO SEPARATION100Hzd B8070( 20kHz L.P.F)1kHzd B807010kHzd B8070742Hzd B0-316kHzd B0-3ADF-06-205(00)98.07.27LN 1475.216MHzLN 1475.216MHzLN 1475.216MHzFREQUENCY RESPONSE STANDARD(1kHz) (20kHz L P F)LN 1475.216MHzLN 1475.2

43、16MHzLC 1459.808MHzLN 1475.216MHzLX 1490.624MHzharman/kardonTU 980 Service ManualPage 8 of 32ELECTRICAL SPECIFICATION(TUNER/FM)ELECTRICAL SPECIFICATION(TUNER/FM) PJT PJT PAGE:3/4MODEL : TU 980 STANDARD INPUT : 60dB 400HzDATE : MOD : MONO 40kHz (DEV) - 53.5%POWER SUPPLY : 230V240V , 50Hz : STEREO Mai

44、n 40kHz Pilot 7.5kHz USE 20KHz L.P.FNODESCRIPTIONREMARKUNITNOMINALLIMITL chR ch1TUNING RANGELOWMHz87,50HIGHMHz108,00USABLE SENSITIVITYMONO90.10 MHzd B815 2( S/N 30dB )75 100.10 MHz ( EMF )815 106.10 MHz815 350dB QUIETING100.10 MHzMONOd B2128 SENSITIVITY( EMF )4S/N RATIO100.10 MHzMONOd B7060 ( L.P.F

45、)STEREO6050 5T.H.D ( 400Hz )100.10MHzMONO%0,31( L.P.F )STEREO0,51,27IF REJECTION (10.7MHz)100.10 MHzd B45358IMAGE REJECTION106.10 MHzd B403010FREQUENCY RESPONSE100.10MHzLOWHz205050 (-3 d B)HIGHkHz151211STEREO SEPARATION100.10MHz1kHzd B352512ST. IND. LIGHT SENSI.100.10MHzd B29253513 TUNED IND. LIGHT

46、SENS.100.10MHzd B29253514AUTO STOP LEVEL100.10MHzd B29253517RDS IND. LIGHT SENS.100.10MHzd B29253518 STRONG SIGNAL (120dBuV) 100.10MHzT.H.D%1,53ADF-06-205(00)98.07.27100.10MHzMONOVOUTPUT LEVEL15110.2harman/kardonTU 980 Service ManualPage 9 of 32ELECTRICAL SPECIFICATION(TUNER/AM)ELECTRICAL SPECIFICAT

47、ION(TUNER/AM) PJT PJT MODEL : TU 980 PAGE:4/4DATE : STANDARD INPUT : 74dB 400HzPOWER SUPPLY : 230V240V , 50Hz MOD : MONO 30 % USE 20KHz L.P.FNODESCRIPTIONREMARKUNITNOMINALLIMITL chR ch1TUNING RANGELOWkHz522HIGHkHz1620USABLE SENSITIVITY612 kHzd B60702( S/N 20dB )990 kHz( EMF )60701503 kHz6070346IF RE

48、JECTION (450kHz)990 kHzd B35307IMAGE REJECTION990 kHzd B35288OUTPUT LEVEL990kHzm V360360+80/-409TUNED IND. LIGHT SENS.990 kHzd B60507010AUTO STOP LEVEL990 kHzd B60507011FREQUENCY RESPONSE990 kHzLOWHz60100(-6dB)HIGHkHz2,22ADF-06-205(00)98.07.151,53T.H.D ( 400Hz )990 kHzMONO%3530S/N RATIO990 kHzMONOd

49、Bharman/kardonTU 980 Service ManualPage 10 of 32harman/kardonTU 980 Service ManualPage 11 of 32harman/kardonTU 980 Service ManualPage 12 of 32harman/kardonTU 980 Service ManualPage 13 of 32LevelLevelRef#ComponentDescriptionDrawing No REQ-QtyRef#ComponentDescriptionDrawing No REQ-Qty1CHE154CLAMPER ,

50、ARM0,121CPG1A856ZBOX , OUT CARTON TU980/23011CPS1A805PAD , SNOW TU980/23011CPS2A657PAD , SNOW FRONT TU98011CPS2A805PAD , SNOW TU98011CQB1A549YLABEL , ATTENTION DVD4811CQB1A551ZLABEL , BAR CODE31CQB1A622LABEL , SERIAL NO11CQB1A644ZLABEL , ORIGIN11CQB1A876ZLABEL , COUNTRY DVD29/23021CQS1A001RIBON , BA