Sony ST-S550ES Operating Instructions

Pages 30

Year 2003

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Sony ST-S550ES Specification

The Sony ST-S550ES is a high-fidelity AM/FM stereo tuner designed for audiophiles seeking exceptional sound quality and precision. It features advanced circuitry and premium components to ensure superior audio performance. The tuner operates within the AM frequency range of 530 to 1710 kHz and the FM frequency range of 87.5 to 108.0 MHz, providing access to a wide array of radio stations. It incorporates Sony's Quartz Lock PLL Synthesizer for stable and accurate tuning, minimizing drift and ensuring consistent signal clarity.

The ST-S550ES boasts a high signal-to-noise ratio, reducing background noise and enhancing audio purity. It supports multiple tuning modes, including manual, auto scan, and direct access, allowing users to easily find and lock onto their desired stations. The unit's display is a clear, easy-to-read digital readout showing station information and tuning status.

Connectivity options include a 75-ohm coaxial antenna input for FM and terminals for AM loop antennas, ensuring optimal reception. The tuner also features an RCA output for connection to amplifiers or integrated stereo systems, delivering clean audio signals for further processing. The build quality is robust, with a sleek, sophisticated design that fits seamlessly into high-end audio setups.

The Sony ST-S550ES is engineered with an emphasis on durability and longevity, incorporating high-quality materials and construction techniques. Its intuitive controls and user-friendly interface make it accessible to both casual listeners and serious audio enthusiasts. Overall, the Sony ST-S550ES represents a blend of cutting-edge technology and elegant design, making it a standout choice for those seeking an exceptional radio tuning experience.

Sony ST-S550ES F.A.Q.

How do I preset radio stations on the Sony ST-S550ES?

To preset radio stations, tune to the desired station, press 'Memory', select the preset number using the tuning knob or buttons, and then press 'Enter' to save.

What should I do if the tuner is not receiving any radio signals?

Ensure the antenna is properly connected and positioned. Check for interference from other electronic devices and try relocating the tuner to a different spot.

How can I improve FM reception quality on the Sony ST-S550ES?

Use an external FM antenna, ensure it is fully extended and oriented correctly. Also, try switching between mono and stereo modes to see which provides better clarity.

How do I perform a factory reset on the Sony ST-S550ES?

To perform a factory reset, turn off the unit, then press and hold the 'Power' button along with the 'Memory' button for about 5 seconds until the display indicates reset.

What is the purpose of the quartz lock feature on the Sony ST-S550ES?

The quartz lock feature stabilizes the tuner frequency to reduce drift, ensuring consistent and precise tuning of radio stations.

How do I replace the fuse in the Sony ST-S550ES?

To replace the fuse, unplug the unit, remove the cover, locate the fuse holder, and replace the blown fuse with one of the same rating. Ensure the unit is powered off before attempting this.

Why is my Sony ST-S550ES displaying incorrect station information?

Check if the RDS (Radio Data System) feature is enabled. If the issue persists, verify your antenna connection and ensure you are tuning into stations with strong signals.

How can I set the sleep timer on the Sony ST-S550ES?

Press the 'Sleep' button repeatedly to select the desired time duration. The tuner will automatically power off after the set time elapses.

What regular maintenance is required for the Sony ST-S550ES?

Regularly clean the exterior with a soft, dry cloth, check and secure all connections, and periodically inspect the antenna for any signs of damage or wear.

How do I connect the Sony ST-S550ES to an external amplifier?

Use RCA cables to connect the 'Line Out' jacks on the tuner to the 'Line In' or 'Tuner' input on your amplifier, ensuring the connections are secure and correctly matched for left and right channels.