Service Manuals, User Guides, Schematic Diagrams or docs for : Harman Kardon TU TU-980 & 230 TU-980 & 230 Rev 1

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TU-980 & 230 Rev 1


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harman/kardon                                                                    TU 980 Service Manual




    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 SPECIFICATIONS            6         BLOCK DIAGRAM                          30
     PACKAGE LIST AND PARTS             11         WIRING DIAGRAM                         31
     DISASSEMBLY                        12         SCHEMATIC DIAGRAM                      32


      PAGE 32-38 ADDED INFORMATION ABOUT NEW EUP-VERSION WITH STANDBY TRANSFORMER.



   Released EU2010                    harman/kardon, Inc.                    Rev 1, 08/2012
                                    250 Crossways Park Dr.
                                   Woodbury, New York, 11797
                                                                                          Page 1 of 32
 harman/kardon                                                                                                                            TU 980 Service Manual




Front Panel Controls




 0 1          2     3      4      5                 @                      6                              7      8     A                 9




0   Power Indicator                                 4   Info/RDS Button                                       8 Memory
1   System Power Control                            5   Auto Tune Button                                      9 Control Ring
2   Band selector                                   6   Information Display                                   A Select
3   Function/FM Mode Selector                       7   Dimmer                                                B Remote Control Sensor




0 Power Indicator: This LED will illuminate in      4 Info/RDS Button: In DAB mode, pressing                  9 Control Ring: Turn counterclockwise to
amber when the unit is in the Standby mode to       this button will change the content of the lower          tune lower frequency stations and clockwise to
signal that the unit is ready to be turned on.      display line of the Information Display as shown          tune higher frequency stations. When a station
When the unit is in operation, the indicator will   on page 9, as well as signal error rate and soft-         with a strong signal is tuned, the Information
turn blue.                                          ware version. In RDS mode, it will change                 Display 6 will read TUNED. Turn again to
                                                    between the different RDS options.                        tune to the next frequency increment in Manual
1 System Power Control: Press this button
                                                                                                              Tune Mode, or automatically to the next
to turn on the TU 980; press it again to turn the   5 Auto Tune Button: In DAB mode, press this
                                                                                                              station with a signal strong enough for
unit off (to Standby). Note that the Power Indi-    button to automatically scan all available
                                                                                                              acceptable reception in Auto Tune Mode.
cator 0 next to the switch will turn blue when      stations.
                                                                                                              The ring also controls the parameters in the
the unit is on.
                                                    6 Information Display: This dual line display             different menus.
2 Band Selector: Press this button to change        delivers messages and status indications to help
                                                                                                              A Select: In FM or AM mode, press this
between the DAB, FM and AM frequency bands.         you operate the tuner.
                                                                                                              button to select Auto Tune, Manual Tune or
3 Function/FM Mode Selector: In DAB                 7 Dimmer: Press this button to dim the front              Preset Tune. In DAB mode, press this button to
mode, pressing this button will activate station    panel display. The first press of the button will         select the displayed station.
order, preset tune, Dynamic Rate Control or         dim the displays to one-half normal brightness;
manual tune features. In FM mode, press this        the next press will turn off the display. Press the       B Remote Sensor Window: The sensor
button to select the stereo or mono mode for        button again to turn the displays back to normal          behind this window receives infrared signals
FM tuning. In the stereo mode, the word             brightness.                                               from the remote control. Aim the remote at this
STEREO will be shown in the Information                                                                       area and do not block or cover it unless an
                                                    The display will return to normal brightness the          external remote sensor is installed.
Display 6, and stereo reception will be
                                                    next time the unit is turned on.
provided when stations are transmitting stereo
signals. In the mono mode, the left and right       8 Memory Button: Press this button to open
signals from stereo broadcasts will be mixed        the memory position that stores a preset
together and reproduced through all channels.       location in the tuner. 99 DAB presets can be
Select MONO for better reception of weak            stored, as well as 30 FM and 30 AM presets.
signals.                                            (See page 9 for more information on tuner
                                                    presets.)




4 FRONT PANEL CONTROLS


                                                                                                                                                     Page 2 of 32
harman/kardon                                                                                                                  TU 980 Service Manual




    Rear Panel Connections




                                                                                                                                                                      ENGLISH
                   1      2               8          3          0           76                                     4                                  5




    0 Optical and Coaxial Digital Outputs                5 AC Power Cord
    1 FM Antenna                                         6 Remote Control Output
    2 AM Antenna                                         7 Remote Control Input
    3 Analog Audio Outputs                               8 Software Update and Reset Button
    4 DAB Antenna



    0 Optical and Coaxial Digital Outputs:               3 Analog Audio Outputs: Connect these                 6 Remote Control Output: Connect this
    Connect one of these jacks to the optical or         jacks to the tuner input of your pre amplifier or     jack to the infrared (IR) input jack of another
    coaxial digital input of your pre amplifier or       integrated amplifier for analog audio playback.       compatible Harman Kardon remote controlled
    integrated amplifier, if available.                  Be certain to observe proper channel                  product to have the built-in Remote Sensor on
                                                         connections using the color-coded cables and          the tuner provide IR signals to other compatible
    Note that these digital outputs only contain the
                                                         connectors so that red connects right channels        products.
    digital signal from the DAB stations. For FM/AM
                                                         and white connects left channels.
    reception, you will have to connect the analog                                                             7 Remote Control Input: Connect the
    outputs at all times.                                NOTE: Before making any audio connections,            output of a remote infrared sensor, or the
                                                         unplug all components of your audio system            remote control output of another compatible
    1 FM Antenna: Connect an indoor or exter-
                                                         from their AC power outlets. To reduce the            Harman Kardon product, to this jack. This will
    nal FM antenna to this terminal.
                                                         possibility of hum or noise in your system, place     enable the remote control to operate even when
    2 AM Antenna: Connect the AM loop                    all audio interconnection cables away from both       the front panel Remote Sensor on the tuner is
    antenna supplied with the receiver to these          AC power cords and speaker wires.                     blocked. This jack may also be used with
    terminals. If an external AM antenna is used,                                                              compatible IR remote control-based automation
                                                         4 DAB Antenna: Connect a DAB antenna to
    make connections to the AM and GND                                                                         systems.
                                                         this terminal.
    terminals in accordance with the instructions
                                                                                                               8 Software Update and Reset Button
    supplied with the antenna.                           5 AC Power Cord: Connect this plug to an
                                                                                                               (for Service Stations Only): This specialized
                                                         AC outlet. If the outlet is controlled by a switch,
                                                                                                               connector may be used with your personal com-
                                                         make certain that it is in the ON position.
                                                                                                               puter in case Harman Kardon offers a software
                                                                                                               upgrade for the tuner at some time in the
                                                                                                               future. The Reset Button is only used during a
                                                                                                               software upgrade. A standard processor reset is
                                                                                                               performed by pressing and holding the front-
                                                                                                               panel Function/FM Mode Button.




                                                                                                                               REAR PANEL CONNECTIONS 5


                                                                                                                                                             Page 3 of 32
harman/kardon                                                                                TU 980 Service Manual




Remote Control Functions

                                                               0 Standby/Power On: Press this button to
                                                               turn on the TU 980. Note that the Power
                                                               Indicator 0 next to the switch will turn blue
                                                               when the unit is on.
                                                               1 Numeric Keys: These buttons serve as a
                                                               ten-button numeric keypad to enter tuner preset
                                                               positions or to tune stations directly.
         0                                                 A   2 Clear Button: Press this button to clear
                                                               presets from your station list.
                                                               3 Info/RDS Button: Pressing this button will
                                                               change the content of the lower display line of
                                                               the Information Display as well as signal error
                                                               rate and software version. (See page 9 for more
         1                                                     info).
                                                               4 Auto Tune Button: In DAB mode, press
                                                               this button to automatically scan all available
                                                               stations.
         2                                                 9   5 Scroll Buttons: Press L to tune lower
                                                               frequency stations and K to tune higher
                                                               frequency stations. When a station with a strong
         3                                                     signal is tuned, the Information Display 6
                                                               will read TUNED. Press again briefly to tune to

         4                                                 6   the next frequency increment in Manual Tune
                                                               Mode, or keep pressed for automatic search for
                                                               the next station with a signal strong enough for
         5                                                     acceptable reception in Auto Tune Mode. These
                                                               buttons also control the parameters in the
                                                               different menus, like the Control Ring 9 on
         8                                                 7   the front panel.
                                                               6 Function/FM Mode Selector: In DAB
                                                               mode, pressing this button will activate station
                                                               order, preset tune, Dynamic Rate Control or
                                                               manual tune features. In FM mode, press this
                                                               button to select the stereo or mono mode for FM
                                                               tuning. In the stereo mode, the word STEREO
                                                               will be shown in the Information Display 6,
                                                               and stereo reception will be provided when
                                                               stations are transmitting stereo signals. In the
                                                               mono mode, the left and right signals from stereo
                                                               broadcasts will be mixed together and
                                                               reproduced through all channels. Select MONO
                                                               for better reception of weak signals.
                                                               7 Band Selector: Press this button to change
                                                               between the DAB, FM and AM frequency bands.
                                                               8 Select: In FM or AM mode, press this
                                                               button to select Auto Tune, Manual Tune or Preset
                                                               Tune.
                                                               9 Memory Button: Press this button to open
                                                               the memory position that stores a preset location
                                                               in the tuner. 99 DAB presets can be stored, as
                                                               well as 30 FM and 30 AM presets. (See page 9
                                                               for more information on tuner presets.)
0 Standby/Power On           6 Function/FM Mode Selector
1 Numeric Keys               7 Band Selector                   A Standby/Power Off: Press this button to
2 Clear Button               8 Select Button                   turn the unit off (to Standby).
3 Info/RDS Button            9 Memory Button
4 Auto Tuning Button         A Standby/Power Off
5 Scroll Button


6 REMOTE CONTROL FUNCTIONS


                                                                                                         Page 4 of 32
harman/kardon                                                                                                                                TU 980 Service Manual




Troubleshooting Guide

This 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 a
possible solution. If the 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 pressed             Unit is plugged into a live outlet.
                                                                 Make sure the outlet is active.

No sound is heard                                                Tune to an active station.
                                                                 Check for correct amplifier 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 Available'                             Check that antenna is connected.
                                                                 Ensure that DAB coverage exists in your area.

Display has gone blank or says 'service off air'                 This may occur if a broadcaster changes the label of a service or removes a label whilst you
                                                                 are listening to it. Try to retune to this station, using the Autotune procedure.




12 TROUBLESHOOTING GUIDE


                                                                                                                                                         Page 5 of 32
harman/kardon                                                                                                              TU 980 Service Manual




    Technical Specifications




                                                                                                                                                            ENGLISH
    FM Section
    Frequency Range                  87.50 MHz to 108.00 MHz (50 kHz steps)
    Signal-to-Noise Ratio            65 dB (Mono) 60 dB (Stereo)
    Presets                          30
    Section
    Frequency Range                  522 kHz to 1620 kHz (9 kHz steps)
    Signal-to-Noise Ratio            35 dB
    Presets                          30
    DAB Section
    RF Section                       Band lll, 174 MHz - 240 MHz
                                     Band L, 1452 MHz - 1492 MHz
                                     Input: 50 Ohm, nominal
                                     Max signal: -3 dBm typ
                                     Sensitivity: -96 dBm typ
                                     Adjacent Channel Rejection: 35dB typ
    Display                          2 line by 16 character DOT Matrix
    Presets                          99
    Audio Output                     Stereo, 2.5V P-P
                                     48 kHz sample rate 16 bit sample resolution
    Optical S/PDIF                   IEC60958 Compliant
                                     48 kHz sample rate 24 bit sample resolution
    General
    Power Requirement                220-230 V AC, 50/60 Hz
    Power Consumption                11 W
    3 W (standby)
    Dimension (Max)
    Width                            442 mm
    Height                            63 mm
    Depth                            334 mm (350 mm with DAB antenna)
    Weight                           3.4 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.

    Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman Kardon, Incorporated




                                                                                                                        TECHNICAL SPECIFICATIONS 13


                                                                                                                                                   Page 6 of 32
harman/kardon                                                                                        TU 980 Service Manual




                                   ELECTRICAL SPECIFICATION(BAND3 DAB)

                                                                                             PJT          




                                                                 SAMPLING RATE : 48kHz                PAGE:1/4
     MODEL : TU 980                                              STANDARD INPUT : -60dBm
     DATE :                                                      AUDIO SIGNAL(L&R) :bit rate128kbit/s
     POWER SUPPLY : 230V~240V , 50Hz                             AUDIO SIGNAL{L(R) only} :bit rate192kbit/s

     NO           DESCRIPTION                CONDITION            UNIT NOMINAL      LIMIT     L ch         R ch
      1          TUNING RANGE                    LOW              MHz    174,928                             -
                                                 HIGH             MHz    239,200                             -

      2         INPUT SENSITIVITY          5C    178.35MHz        dBm      -98       -90
                 (T.H.D : 0.5%)            11D   222.064MHz       dBm      -98       -90
                                           13C   227.36MHz        dBm      -98       -90

      3          OUTPUT LEVEL              11D   222.064MHz         V       2       2



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