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

Model:
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 UNIT TO RAIN OR MOISTURE.

RISK OF ELECTRIC SHOCK

DO NOT OPEN

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.

The lightning flash with arrowhead
symbol, within an equilateral triangle,
is intended to alert you 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
you to the presence of important
operating and maintenance
(servicing)  instructions in the
literature accompanying the
appliance.

• Explanation of Graphical Symbols

CAUTION

Natural Sound AM/FM Stereo Tuner

40 Station Random Access Preset Tuning

Automatic Preset Tuning for FM Stations

Multi-Status Station Memory

Rotary Encoder Tuning

Direct PLL Synthesizer Tuning

TX-470

Thank you for selecting this YAMAHA stereo tuner.

OWNER’S MANUAL

CONTENTS

Safety Instructions ...................2
Supplied Accessories ..............3
Connections.............................4
Tuning Operations ...................7
Preset Tuning...........................9
Troubleshooting .....................11
Specifications ........................12

Содержание TX-470

Страница 1: ...sence 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 you to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Explanation of Graphical Symbols CAUTION Na...

Страница 2: ...nit has been exposed to rain or D The unit does not appear to operate normally or exhibits a marked change in performance or E The unit has been dropped or the cabinet damaged 16 Servicing The user should not attempt to service the unit beyond those means described in the operating instructions All other servicing should be referred to qualified service personnel 17 Power Lines An outdoor antenna ...

Страница 3: ...is being affected by the interference Utilize power outlets that are on different branch circuit breaker or fuse circuits or install AC line filter s In the case of radio or TV interference relocate reorient the antenna If the antenna lead in is 300 ohm ribbon lead change the lead in to coaxial type cable If these corrective measures do not produce satisfactory results please contact the local ret...

Страница 4: ...Outdoor FM antenna Indoor FM antenna included Outdoor AM antenna AM loop antenna included Ground 75 ohm antenna adapter 75 ohm 300 ohm antenna adapter 75 ohm coaxial cable 300 ohm feeder 75Ω UNBAL FM ANT GND AM ANT Outdoor FM antenna Indoor FM antenna included Outdoor AM antenna AM loop antenna included Ground 75 ohm antenna adapter 75 ohm 300 ohm antenna adapter 75 ohm coaxial cable 300 ohm feede...

Страница 5: ... not included or a 75 ohm antenna adapter not included for connections Notes for FM antenna installation To minimize 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 ...

Страница 6: ...arth 6 CONNECTIONS TO THE AMPLIFIER Before making any 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 a remote control transmi...

Страница 7: ...TUNING method as described on the following page Normally if station signals are strong and there 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 TUNING OPERATIONS Display information Displays the band and frequency of the received station Illumi...

Страница 8: ...ous page 2 3 Tune to a desired station manually MANUAL TUNING 8 Note If you tune to an FM station manually it is received in monaural mode automatically to increase the signal quality TUNING MODE AUTO MAN L MONO TUNING AUTO goes off 2 3 ...

Страница 9: ...selecting other pages in step 2 1 1 Select the page of preset station buttons 2 2 Select the desired preset station button Notes A new setting can be programmed in place of the former one For presets the setting of the reception mode stereo or monaural is stored along with the station frequency Memory back up The memory back up circuit prevents the programmed data from being lost even if the POWER...

Страница 10: ...ter the automatic preset tuning is completed The display shows the frequencies of the first preset station stored to A1 Check the contents and the number of preset stations by following the procedure of the section To recall a preset station on the previous page To recall a preset station Simply follow the procedure of the section To recall a preset station on the previous page Notes The automatic...

Страница 11: ...he transmitter is far away or the antenna input is poor Insufficient antenna input Not tuned correctly There is multi path 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 equ...

Страница 12: ...30 to 1 710 kHz U K Australia and Europe models 531 to 1 611 kHz Usable Sensitivity 200 µV m Selectivity 32 dB Signal to Noise Ratio 50 dB Image Response Ratio 40 dB Spurious Response Ratio 50 dB Harmonic Distortion 400 Hz 0 3 AUDIO SECTION Output Level Impedance FM 100 mod 1 kHz Except Europe model 50 mV 2 2 k ohms FM 40 kHz Dev Europe model 400 mV 2 2 k ohms AM 30 mod 400 Hz 150 mV 2 2 k ohms GE...

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