20Replacement Parts – When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards.

21Safety Check – Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition.

22Wall or Ceiling Mounting – The unit should be mounted to a wall or ceiling only as recommended by the manufacturer.

23Heat – The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat.

24Outdoor Antenna Grounding – If an outside antenna or cable system is connected to the product, be sure the antenna or cable 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.

EXAMPLE OF ANTENNA GROUNDING

MAST

ANTENNA

 

LEAD IN

 

WIRE

GROUND

 

CLAMP

 

ANTENNA DISCHARGE UNIT (NEC SECTION 810–20)

ELECTRIC

SERVICE

EQUIPMENT

GROUNDING CONDUCTORS (NEC SECTION 810–21)

GROUND CLAMPS

POWER SERVICE GROUNDING ELECTRODE SYSTEM

(NEC ART 250. PART H)

NEC – NATIONAL ELECTRICAL CODE

Printed in Malaysia WG63450

a

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Yamaha RX-497 owner manual Example of Antenna Grounding
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RX-497 specifications

The Yamaha RX-497 is a noteworthy stereo receiver that combines classic design with modern features, appealing to both audiophiles and casual listeners alike. This receiver is celebrated for its reliability and performance, setting a benchmark for home audio systems.

One of the standout features of the RX-497 is its power output. With 100 watts per channel at 8 ohms, it is capable of delivering robust and dynamic sound, ensuring that users can enjoy their favorite music or movies with clarity and depth. The receiver also supports a wide frequency response of 20 Hz to 20 kHz, allowing it to reproduce a comprehensive range of audio frequencies, from deep bass to crisp highs.

The RX-497 integrates advanced technology, including Yamaha’s own Natural Sound concept. This technology is designed to provide a realistic and immersive sonic experience, making it feel as though the listener is right in the middle of the performance. High-quality components within the receiver are selected to minimize distortion and deliver pure sound.

Another interesting aspect of the RX-497 is its versatility in connectivity. The receiver features multiple inputs, including video inputs and various audio sources, enabling users to connect numerous devices such as CD players, cassette decks, and turntables. The inclusion of a phono input is particularly beneficial for vinyl enthusiasts who wish to enjoy their records with high fidelity.

The RX-497 also showcases an easy-to-use tuning system, boasting a built-in FM/AM tuner with preset memory capabilities. This allows users to store their favorite radio stations for quick access and enjoy seamless listening without the hassle of manual tuning.

In terms of design, the Yamaha RX-497 features a clean and classic aesthetic, complemented by a beautifully lit display and ergonomically designed controls. This intuitive layout enhances user experience, making it simple for users to navigate settings and adjust volume levels.

Finally, the RX-497's build quality is a testament to Yamaha’s commitment to excellence. Constructed to withstand the test of time, it’s an investment in sound quality that offers enduring performance. Overall, the Yamaha RX-497 stands as a strong contender in the market of stereo receivers, blending powerful sound with user-friendly features, making it a preferred choice for many audio enthusiasts.
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