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U
TX-497
Stereo Tuner
OWNER’S MANUAL
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IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS 1 Read these instructions. CAUTION 2 Keep these instructions. 3 Heed all warnings. RISK OF ELECTRIC SHOCK 4 Follow all instructions. DO NOT OPEN 5 Do not use this apparatus near water. 6 Clean only with dry cloth. CAUTION: TO REDUCE THE RISK OF 7 Do not block any ventilation openings. Install in accordance ELECTRIC SHOCK, DO NOT REMOVE with the manufacturer’s instructions. COVER (OR BACK). NO USER-SERVICEABLE 8 Do not install near
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IMPORTANT SAFETY INSTRUCTIONS FCC INFORMATION (for US customers) 1 IMPORTANT NOTICE: DO NOT MODIFY THIS Compliance with FCC regulations does not guarantee that interference will not occur in all installations. If this UNIT! product is found to be the source of interference, which This product, when installed as indicated in the can be determined by turning the unit “OFF” and “ON”, instructions contained in this manual, meets FCC please try to eliminate the problem by using one of the requ
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CAUTION: READ THIS BEFORE OPERATING YOUR UNIT. CAUTION: READ THIS BEFORE OPERATING YOUR UNIT. 1 To assure the finest performance, please read this manual 15 When not planning to use this unit for long periods of time carefully. Keep it in a safe place for future reference. (i.e. vacation), disconnect the AC power plug from the wall outlet. 2 Install this sound system in a well ventilated, cool, dry, clean place – away from direct sunlight, heat sources, vibration, 16 Install this unit near th
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ADDITIONAL OPERATIONS INFORMATION INTRODUCTION SETUP CONTENTS INTRODUCTION FEATURES............................................................. 2 SUPPLIED ACCESSORIES ................................. 2 CONTROLS AND FUNCTIONS ......................... 3 Front panel................................................................. 3 Front panel display .................................................... 4 Rear panel .................................................................. 5 SETUP CONN
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FEATURES FEATURES ◆ 40-station random access preset tuning ◆ Automatic preset tuning ◆ Multi-status station memory ◆ Direct PLL synthesizer tuning ◆ Preset station shifting capability (preset editing) ◆ Multi-functions for Radio Data System broadcast reception (U.K. and Europe models only) y indicates a tip for your operation. This manual is printed prior to production. Design and specifications are subject to change in part as a result of improvements, etc. In case of differences between
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INTRODUCTION CONTROLS AND FUNCTIONS CONTROLS AND FUNCTIONS Front panel 13 2 465 7 FREQ/TEXT FREQ/TEXT EON EON FM/AM EDIT PTY SEEK PTY SEEK MEMORY TUNING MODE M MODE ODE ST STAR ART T MAN'L/AUTO FM AUTO/MAN'L A/B/C/D/E TUNING POWER 1 2345678 l h FREQ/TEXT EON PTY SEEK MODE START AC B D 8 9 0 (U.K. and Europe models) 1 POWER ■ U.K. and Europe models only Turns on or off the power of this unit. The Radio Data System tuning buttons numbered from A to D are only applicable to the U.K. and Europe mod
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CONTROLS AND FUNCTIONS Front panel display 1 2 3 456 AUTO ST kHz MHz EDIT MEMO PS PTY RT CT EON NEWS INFO AFFAIRS SPORT PTY HOLD 7 8 9 0 A 1 Preset station indicator ■ U.K. and Europe models only Displays the group (A to E) and number (1 to 8) of the The indicators numbered from 8 to A are only selected preset station. applicable to the U.K. and Europe models. 2 Station frequency display 8 Radio Data System indicators Displays the band and frequency or information about the The name(s) of the R
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INTRODUCTION CONTROLS AND FUNCTIONS Rear panel 13 2 4 (U.S.A. model) FM ANT GND AM ANT FREQ FREQU UENCY STEP ENCY STEP LINE OUT V VO OL LT TA AG GE E SELECTER SELECTER 220V 220V- -240V 240V 75Ω UNBAL R L 110V 110V- -1 120V 20V FM 100kHz 50kHz FM 100kHz 50kHz AM 10kHz 9kHz AM 10kHz 9kHz 2 1 FM ANT terminal ■ Asia and General models only See page 6 for connection information. The FREQUENCY STEP switch and VOLTAGE SELECTOR are only applicable to the
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CONNECTIONS CONNECTIONS CAUTION Do not connect this unit or other components to the mains power until all connections are complete. Connecting the AM and FM antennas Both AM and FM indoor antennas are included with this unit. In general, these antennas should provide sufficient signal strength. Connect each antenna correctly to the designated terminals. Indoor FM antenna (included) Outdoor FM antenna AM loop antenna Outdoor AM antenna (included) Use a 5 to 10 m (16.4 to 32.8 ft) of vinyl-cov
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SETUP CONNECTIONS ■ Connecting the AM loop antenna ■ Connecting the indoor FM antenna Insert the rectangular end of the indoor FM 1 Set up the AM loop antenna. antenna into the FM ANT terminal. FM ANT GND AM ANT 75Ω UNBAL Indoor FM antenna Notes A properly installed outdoor antenna provides clearer reception than an indoor one. If you experience poor reception quality, an 2 Press and hold the tab to insert the AM loop outdoor antenna may improve the quality. Consult the nearest authorized
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CONNECTIONS ■ Connecting a coaxial cable to the ■ Notes on the 75-ohm coaxial and 75-ohm/300-ohm antenna adapter the 300-ohm feeder cables (included for U.K. model only) Consult with your dealer or authorized service center about the best method of selecting and erecting an outdoor FM antenna. The choice of the feeder cable is also 1 Open the cover of the important. Flat ribbon-shaped twin-lead cable performs included 75-ohm/300-ohm well electrically, and is cheaper and somewhat easier to
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SETUP 30 CONNECTIONS Connecting an amplifier CAUTION Note Be sure to connect the left (“L”) and right (“R”) LINE OUT jacks Do not connect this unit or other components to the main to the corresponding (left and right) input jacks of the amplifier. power until all connections between components are complete. This unit (U.S.A. model) FM ANT GND AM ANT F FREQ REQU UENCY STEP ENCY STEP LINE OUT VO VOL LT TAG AGE E SELECTER SELECTER 220V 220V-240V -240V 75Ω UNBAL R L 110V 110V- -1 120V 20V FM
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CONNECTIONS Connecting the power supply cord Turning on the power When all connections are complete, turn on the power of ■ Connecting the AC power cord this unit. Plug the power cord into an AC wall outlet. POWER ■ Memory back-up The memory back-up circuit prevents the stored data from being lost. However, the stored data will be lost if this unit F FREQ/TEXT REQ/TEXT EON EON FM/AM EDIT is turned off for more than one week even when the power P PTY SEEK TY SEEK MEMORY TUNING MODE MODE MODE
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OPERATIONS TUNING TUNING ■ Manual tuning Automatic and manual tuning If the signal from the station you want to select is weak, tune into it manually. Manually tuning into an FM station There are 2 tuning methods; automatic and manual. will automatically switch the tuner to monaural reception Automatic tuning is effective when station signals are to increase the signal quality. strong and there is no interference. 1 2 ■ Automatic tuning 2 1 F FREQ/TEXT REQ/TEXT E EON ON FM/AM EDIT PTY SEEK P
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TUNING Notes Presetting stations Any stored station data existing under a preset number is cleared when you store a new station under that preset number. ■ Automatically presetting FM stations If the number of received stations does not reach 40 (E8), You can use the automatic preset tuning feature to store automatic preset tuning has automatically stopped after FM stations. This function enables this unit to searching all stations. automatically tune into FM stations with strong signal
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OPERATIONS TUNING ■ Manually presetting stations 4 Press the preset station number button You can also store up to 40 stations (8 stations x 5 groups) manually. (1 to 8) you want to store while the MEMO indicator is flashing. 3 1 2345678 FM/AM EDIT MEMORY TUNING MODE MAN'L/AUTO FM AUTO/MAN'L A/B/C/D/E TUNING POWER 1 2345678 l h AUTO ST 2 4 MHz Shows the displayed station has 1 Tune into a station. been stored as A1. See page 11 for tuning instructions. ST 5 Repeat steps 1 to 4 to store other
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TUNING Selecting preset stations Exchanging preset stations You can tune any desired station simply by selecting the You can exchange the assignment of two preset stations preset station number under which it was stored. with each other. The example below describes the procedure for exchanging preset station “E1” with “A5”. FM/AM EDIT MEMORY TUNING MODE MAN'L/AUTO FM AUTO/MAN'L A/B/C/D/E TUNING 2,4 POWER 1 2345678 l h FM/AM EDIT MEMORY TUNING MODE MAN'L/AUTO FM AUTO/MAN'L 1 2 A/B/C/D/E TUNING
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OPERATIONS TUNING 4 Press EDIT again. The stations stored at the two preset assignments are exchanged. EDIT EDIT Shows the exchange of stations is complete. 15
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TROUBLESHOOTING TROUBLESHOOTING Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction below does not help, turn off the power of this unit, disconnect the power cord, and contact the nearest authorized YAMAHA dealer or service center. ■ Tuner Refer Problem Cause Remedy to page There are occasional Noise resulting from motors, Position the FM antenna as high as possible crackling noises thermostats or
