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FEATURES

Multi-Functions for RDS Broadcast Reception

40 Station Random Access Preset Tuning

Station Name Storing Capability

Automatic Preset Tuning for RDS Stations

Multi-Status Station Memory

Preset Station Shifting Capability

Rotary Encoder Tuning

Direct PLL Synthesizer Tuning

2-Position IF Mode Select Button

BLEND Button

Remote Control Capability (Optional)

CONTENTS

Supplied Accessories......................................................2
Caution............................................................................3
Connections ....................................................................4
Tuning Operations ..........................................................7
Preset Tuning..................................................................9
Receiving RDS Stations................................................13
Remote Control Transmitter (Separate purchase)........18
Troubleshooting ............................................................19
Specifications................................................................20

3

English

Thank you for selecting this YAMAHA stereo tuner

CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.

1.

This unit is a sophisticated stereo tuner.  To assure proper
operation and the best possible performance, please read
this manual carefully.

2.

Choose the installation location for the unit carefully.
Avoid placing it in direct sunlight or close to a source of
heat. Also avoid locations subject to vibration and
excessive dust, heat, cold or moisture.  Keep it away from
such sources of hum as transformers or motors.

3.

Do not open the cabinet, because this may result in
damage to the unit or electrical shock.  If a foreign object
should get into the unit, contact your local dealer.

4.

When not planning to use this unit for long periods of time
(ie., vacation, etc.), disconnect the AC power plug from the
wall outlet.

5.

To prevent lightning damage, disconnect the AC power
plug and disconnect the antenna cable when there is an
electrical storm.

6.

When disconnecting the power plug from the wall outlet,
always pull directly on the plug; never pull the cord itself.

7.

Do not use force when operating switches and other
controls.

8.

When moving the unit, be sure to first disconnect the
power plug and disconnect all wires connected from the
unit to other equipment.

9.

Do not attempt to clean this unit with chemical solvents,
because this may damage the finish.  Use a clean, dry
cloth.

10.

Be sure to read the “

TROUBLESHOOTING

” section of this

manual for advice on common operating errors before
concluding that the unit is faulty.

11.

Keep this manual in a safe place for future reference.

IMPORTANT
Please record the serial number of this unit in the space
below.

Serial No.:

The serial number is located on the rear of the unit.
Retain this Owner’s Manual in a safe place for future
reference.

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

The apparatus is not disconnected from the AC power
source as long as it is connected to the wall outlet, even if
the apparatus itself is turned off.

For U.K. customers
If the socket outlets in the home are not suitable for the plug
supplied with this appliance, it should be cut off and an
appropriate 3 pin plug fitted. For details, refer to the
instructions described below.
Note: The plug severed from the mains lead must be
destroyed, as a plug with bared flexible cord is hazardous if
engaged in a live socket outlet.

Special Instructions for U.K. Model

IMPORTANT
THE WIRES IN THE MAINS LEAD ARE COLOURED IN
ACCORDANCE WITH THE FOLLOWING CODE:

Blue: NEUTRAL
Brown: LIVE

The colours of the wires in the mains lead of this apparatus
may not correspond with the coloured markings identifying
the terminals in your plug.  Proceed as follows: the wire
which is coloured BLUE must be connected to the terminal
which is marked with the letter N or coloured BLACK.  The
wire which is coloured BROWN must be connected to the
terminal which is marked with the letter L or coloured RED.
Making sure that neither core is connected to the earth
terminal of the three pin plug.

Summary of Contents for TX-680RDS

Page 1: ...Sound MW UKW Stereo Tuner Natural Sound AM FM stereotuner Sintonizzatore stereo AM FM a suono naturale Sintonizador estéreo de AM FM de sonido natural Natural Sound Stereo Tuner OWNER S MANUAL MODE D EMPLOI BEDIENUNGSANLEITUNG BRUKSANVISNING MANUALE DI ISTRUZIONI MANUAL DE INSTRUCCIONES GEBRUIKSAANWIJZING ...

Page 2: ...ßbritannien Modell Brittisk modell Modello per la Gran Bretagna Modelo para R U Modellen voor Groot Brittannië AM Loop Antenna Indoor FM Antenna Cadre antenne AM Antenne FM intérieure MW Rahmenantenne UKW Innenantenne AM ramantenn FM inomhusantenn Antenna AM ad anello Antenna FM per interni Antena de cuadro de AM Antena FM interior AM Lusantenne FM Binnenantenne Audio connection cord Câble de conn...

Page 3: ... the unit be sure to first disconnect the power plug and disconnect all wires connected from the unit to other equipment 9 Do not attempt to clean this unit with chemical solvents because this may damage the finish Use a clean dry cloth 10 Be sure to read the TROUBLESHOOTING section of this manual for advice on common operating errors before concluding that the unit is faulty 11 Keep this manual i...

Page 4: ...ne If you experience poor reception quality an outdoor antenna may result in improvement U K MODEL EUROPE MODEL 4 CONNECTIONS Ground Outdoor AM antenna AM loop antenna included Indoor FM antenna included Outdoor FM antenna 300 ohm feeder 75 ohm 300 ohm antenna adapter 75 ohm coaxial cable 75Ω UNBAL 75 ohm antenna adapter FM ANT GND AM ANT Ground Outdoor AM antenna AM loop antenna included Indoor F...

Page 5: ...imize automobile ignition noise locate the antenna as far from heavy traffic as possible Keep the feeder cable or coaxial cable as short as possible Do not bundle or roll up excess cable The antenna should be at least two meters 6 6 feet from reinforced concrete walls or metal structures 5 English Connecting the indoor FM antenna U K model Europe model If you connect an outdoor FM antenna to this ...

Page 6: ... connections switch OFF the power to this unit and the amplifier or other component Be sure that the connections from the left L and right R OUTPUT terminals are connected to the corresponding left and right input terminals of the amplifier or other component This unit has a remote control sensor It receives signals from the separately purchased remote control transmitter or a remote control trans...

Page 7: ...is no interference quick automatic search tuning AUTOMATIC TUNING is possible However if signals of the station you want to select are weak you must tune to it manually MANUAL TUNING AUTOMATIC TUNING 7 English TUNING OPERATIONS Display information Displays the band and frequency of the received station If an RDS station is received the frequency is then replaced by the station name However if the ...

Page 8: ...ND function will not operate even if the BLEND indicator illuminates IF MODE button This button is used to vary the bandpass of the FM intermediate frequency IF between WIDE and NARROW If the reception signal is strong press this button so that the WIDE indicator illuminates to obtain distortion free sound When the reception signal is weak or when the desired station is interfered with by adjacent...

Page 9: ...POWER switch is set off or the power plug is disconnected from the AC outlet for more than 1 year For using an external timer When making timer setting by using an external timer store the station to be called onto A1 and be sure to turn the power off while the preset station on A1 is being called 9 English MANUAL PRESET TUNING This unit can store station frequencies selected by tuning operation b...

Page 10: ... Note If you store a name to an RDS station which has PS data the name of your giving takes priority and is shown on the display Character table The following letters numerals and symbols are selected on this unit A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 á à é è í ì ó ò ú ù â ä ê ë î ï ô ö û ü ñ ç s g a Ö Å G e n O ...

Page 11: ...mply follow the procedure of the section To recall a preset station on page 9 A recalled station is shown by the frequency or station name on the display Notes The automatic preset tuning search will be performed through all RDS network frequencies until stations are stored up to E8 If the number of received stations is not enough to be stored up to E8 the search is finished automatically after se...

Page 12: ...topped the exchange of stations is completed EXCHANGING PRESET STATIONS You can exchange the places of two preset stations each other by easy operations Example If you want to shift the preset station on E1 to A5 and vice versa Press and hold for about 3 seconds Flashes Flashes Flashes 4 2 MEMORY MEMORY FM MHz MEMORY AUTO S PS PTY SEEK FREQ PS PTY SHIFT ENTER PS PTY SEEK FREQ PS PTY SHIFT ENTER ME...

Page 13: ...d with any aspect of sport Education Program intended primarily to educate of which the formal element is fundamental Drama All radio plays and serials Culture Programs concerned with any aspect of national or regional culture including religious affairs philosophy social science language theatre etc Science Programs about the natural sciences and technology Varied Used for mainly speech based pro...

Page 14: ... If the station is not an RDS station NO PS flashes on the display and then returns to usual mode PTY mode A program type for the station being received is displayed If the RDS station does not employ the PTY data service NO PTY flashes on the display and then returns to the PS mode If the station is not an RDS station NO PTY flashes on the display and then returns to usual mode Usual mode The fre...

Page 15: ...function Press the AF FREQ PS PTY SHIFT ENTER FM AM or MEMORY button Notes If no station is found by this function after searching all preset stations NO PS flashes for about 3 seconds on the display and then it returns to the mode which had been obtained before the searching was performed This function is useful especially for calling a station with weak signals which cannot be received by the au...

Page 16: ...ed from A1 toward higher numbers of the preset stations A1 A2 A8 B1 B2 If however A3 is currently being called for example the search begins from the next station A4 When the TUNING control is turned counterclockwise the search is performed in reverse order If the called station is not the desired one turn the TUNING control again to search for another station of the same program type To cancel th...

Page 17: ... making this unit carry out searching more stations 2 The unit searches network stations for other stations with the same program If the station is not an RDS station or there is no other station with the same program NO AF flashes Stations with the same program are all stored and numbered from the best quality station in sequence When the search is finished the best quality station is called 3 If...

Page 18: ...ould be no large obstacles between the remote control transmitter and the main unit If the remote control sensor is directly illuminated by strong lighting especially an inverter type of fluorescent lamp etc it might cause the remote control transmitter not to work correctly In this case reposition the main unit to avoid direct lighting 30 30 Remote control sensor Within approximately 6 m 19 7 fee...

Page 19: ...r the antenna input is poor Insufficient antenna input Not tuned correctly There is multipath interference The TUNING MODE button is set to the manual tuning mode The station is too weak The tuner has been unplugged for a long period Weak signal or loose antenna connections These noises result from lightning fluorescent lamps motors thermostats and other electrical equipment Another station is int...

Page 20: ...ev 79 dB Harmonic Distortion 1 kHz WIDE U K model Mono Stereo 0 02 0 03 Europe model 40 kHz Dev Mono Stereo 0 02 0 03 Stereo Separation WIDE U K model 1 kHz 52 dB Europe model 40 kHz Dev 1 kHz 45 dB Frequency Response U K model 30 Hz to 13 kHz 0 0 5 dB 20 Hz to 15 kHz 0 1 5 dB Europe model 20 Hz to 15 kHz 0 0 5 dB AM SECTION Tuning Range 531 to 1 611 kHz Usable Sensitivity 100 µV m Selectivity 32 ...

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