Yamaha Audio TX-492 User Manual

TX-492

Natural Sound AM/FM Stereo Tuner

Syntonisateur AM/FM stéréo de la série “Natural Sound”

OWNER’S MANUAL

Thank you for selecting this YAMAHA stereo tuner.

MODE D’EMPLOI

Nous vous remercions pour avoir porté votre choix sur ce syntonisateur stéréo YAMAHA.

CONTENTS

Safety Instructions ...............Inside the Front Cover

Caution ............................................................2

Supplied Accessories ......................................3

Features ..........................................................3

Connections ....................................................4

Controls and Their Functions ..........................7

Tuning Operations ...........................................9

Preset Tuning ................................................10

Troubleshooting .............................................13

Specifications ................................................14

TABLES DES MATIERES

Accessoires fournis .......................................15

Caractéristiques ............................................15

Attention ........................................................16

Connexions ...................................................17

Les commandes et leurs fonctions.................20

Syntonisation .................................................22

Syntonisation préréglée ................................23

En cas de difficulté ........................................26

Caractéristiques techniques ..........................27

SAFETY INSTRUCTIONS

CAUTION

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.

7 Wall or Ceiling Mounting – The unit should be mounted to

a wall or ceiling only as recommended by the manufacturer.

8 Ventilation – The unit should be situated so that its

location or position does not interfere with its proper ventilation. For example, the unit should not be situated on a bed, sofa, rug, or similar surface, that may block the ventilation openings; or placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings.

Explanation of Graphical Symbols

•

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.

WARNING

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

1 Read Instructions – All the safety and operating

instructions should be read before the unit is operated.

2 Retain Instructions – The safety and operating instructions

should be retained for future reference.

3 Heed Warnings – All warnings on the unit and in the

operating instructions should be adhered to.

4 Follow Instructions – All operating and other instructions

should be followed.

5 Water and Moisture – The unit should not be used near

water – for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc.

6 Carts and Stands – The unit should be used only with a

cart or stand that is recommended by the manufacturer.

6A A unit and cart combination should be

moved with care. Quick stops, excessive force, and uneven surfaces may cause the unit and cart combination to overturn.

9 Heat – The unit should be situated away from heat

sources such as radiators, stoves, or other appliances that produce heat.

10 Power Sources – The unit should be connected to a

power supply only of the type described in the operating instructions or as marked on the unit.

11 Power-Cord Protection – Power-supply cords should be

routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit.

12 Cleaning – The unit should be cleaned only as

recommended by the manufacturer.

13 Nonuse Periods – The power cord of the unit should be

unplugged from the outlet when left unused for a long period of time.

14 Object and Liquid Entry – Care should be taken so that

objects do not fall into and liquids are not spilled into the inside of the unit.

15 Damage Requiring Service – The unit should be serviced

by qualified service personnel when:

A. The power-supply cord or the plug has been

damaged; or

B. Objects have fallen, or liquid has been spilled into the

unit; or

C. The unit 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 should be located

away from power lines.

18 Grounding or Polarization – Precautions should be taken

so that the grounding or polarization is not defeated.

19 For US customers only:

EXAMPLE OF ANTENNA GROUNDING

MAST

GROUND CLAMP

ANTENNA LEAD IN WIRE

ANTENNA DISCHARGE UNIT (NEC SECTION 810–20)

GROUNDING CONDUCTORS (NEC SECTION 810–21)

GROUND CLAMPS

POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250. PART H)

ELECTRIC SERVICE EQUIPMENT

NEC – NATIONAL ELECTRICAL CODE

Outdoor Antenna Grounding – If an outside antenna is connected to this unit, be sure the antenna system is grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.

Note to CATV system installer:

This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the NEC that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.

SPECIAL NOTES FOR FCC COMPOSITE DEVICE (for US customers only)

This device is a composite system. The digital device component may not cause harmful interference.

English

FCC INFORMATION (for US customers only)

1. IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product.

2. IMPORTANT : When connecting this product to accessories and/or another product use only high quality shielded cables. Cable/s supplied with this product MUST be used. Follow all installation instructions. Failure to follow instructions could void your FCC authorization to use this product in the USA.

3. NOTE : This product has been tested and found to comply with the requirements listed in FCC Regulations, Part 15 for Class “B” digital devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic devices.

This equipment generates/uses radio frequencies and, if not installed and used according to the instructions found in the users manual, may cause interference harmful to the operation of other electronic devices.

We Want You Listening For A Lifetime (for US customers only)

YAMAHA and the Electronic Industries Association’s Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or distortion – and, most importantly, without affecting your sensitive hearing.

Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product is found to be the source of interference, which can be determined by turning the unit “OFF” and “ON”, please try to eliminate the problem by using one of the following measures:

Relocate either this product or the device that 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 retailer authorized to distribute this type of product. If you can not locate the appropriate retailer, please contact Yamaha Electronics Corp., U.S.A. 6660 Orangethorpe Ave, Buena Park, CA

90620. The above statements apply ONLY to those products

distributed by Yamaha Corporation of America or its subsidiaries.

Since hearing damage from loud sounds is often undetectable until it is too late, YAMAHA and the Electronic Industries Association’s Consumer Electronics Group recommend you to avoid prolonged exposure from excessive volume levels.

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.

FREQUENCY STEP switch (General Model only)

Because the interstation frequency spacing differs in different areas, set the FREQUENCY STEP switch (located at the rear) according to the frequency spacing in your area. Before setting this switch, disconnect the AC power plug of this unit from the AC outlet.

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.

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.

FOR CANADIAN CUSTOMERS

TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT AND FULLY INSERT.

THIS CLASS B DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE CANADIAN INTERFERENCECAUSING EQUIPMENT REGULATIONS.

12.Voltage Selector (General Model only)

The voltage selector on the rear panel of this unit must be set for your local main voltage BEFORE plugging into the AC main supply. Voltages are 110-120/220-240V AC, 50/60 Hz.

SUPPLIED ACCESSORIES

After unpacking, check that the following parts are contained.

English

Indoor FM Antenna

Audio connection cord

AM Loop Antenna

40 Station Random Access Preset

• Tuning

Automatic Preset Tuning

• Multi-Status Station Memory

•

FEATURES

Direct PLL Synthesizer Tuning

• Preset Station Shifting Capability

• (Preset Editing)

CONNECTIONS

Outdoor FM antenna

Outdoor AM antenna

AM loop antenna (included)

Ground

75-ohm antenna adapter

Indoor FM antenna (included)

75-ohm/300-ohm antenna adapter

75-ohm coaxial cable

300-ohm feeder

75Ω UNBAL.

FM ANT GND AM ANT

Never plug in this unit and other components until all connections are completed.

ANTENNA CONNECTIONS

●

Each antenna should be connected to the designated terminals correctly, referring to the following figure.

●

Both AM and FM indoor antennas are included with this unit. In general, these antennas will probably provide sufficient signal strength. Nevertheless, a properly installed outdoor antenna will give clearer reception than an indoor one. If you experience poor reception quality, an outdoor antenna may result in improvement.

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