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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
Released EU2010 harman/kardon, Inc. Rev 0, 09/2010
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