Manual for FS-SD550/FS-SD770/FS-SD990

Brand: JVC

Category: Audio System

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 6:31 p.m.

Warranty Information

JVC warrants this product for 1 year on parts and labor, valid in the US, District of Columbia, and Puerto Rico.

Introduction

This manual provides instructions for operating the JVC Compact Component System (FS-SD550/FS-SD770/FS-SD990). It covers setup, basic operations, using the tuner, CD player, external equipment, timers, care and maintenance, troubleshooting, and specifications.

Features

COMPU PLAY for one-touch operation.
Active Hyper Bass PRO circuitry for enhanced bass.
45-station preset capability (FM/AM).
CD playback options: repeat, random, program.
Timer functions: Daily Timer, Sleep Timer.
External equipment connectivity.
CD-R/CD-RW playback.

Getting Started

Includes accessories list, remote control battery installation, and connection guides for FM/AM antennas, speakers, subwoofer, external equipment, and power cord.

Basic Operations

Covers turning the system on/off, adjusting brightness and volume, muting, bass/treble control, and sliding the top cover.

Using the Tuner

Instructions for tuning in stations (manual, auto, preset) and changing FM reception mode.

Using the CD Player

Details on inserting/unloading CDs, normal play, programming tracks, random play, and repeating tracks.

Using External Equipments

Guide to listening to external sources and recording system sources to external equipment.

Using the Timers

Setup for the Clock, Daily Timer, and Sleep Timer.

Care and Maintenance

Tips for handling CDs, cleaning the lens and unit, and managing moisture condensation.

Troubleshooting

A table listing common symptoms, possible causes, and recommended actions.

Specifications

Technical details for the amplifier, CD player, tuner, center unit, and speakers.

Troubleshooting and error codes

Symptom	Possible Cause	Action
No sound is heard.	Connections are incorrect, or loose. Headphones are connected.	Check all connections and make corrections. (See pages 4 to 8.) Disconnect the headphones.
Poor radio reception	The antenna is disconnected. The AM Loop Antenna is too close to the System. The FM Wire Antenna is not properly extended and positioned.	Reconnect the antenna securely. Change the position and direction of the AM Loop Antenna. Extend FM Wire Antenna to the best reception position.
The CD skips.	The CD is dirty or scratched.	Clean or replace the CD.
The CD does not play.	The CD is upside down.	Put the CD in with the label side up.
Unable to operate the Remote Control.	The path between the Remote Control and the sensor on the Unit is blocked.	Remove the obstruction.
Operations are disabled.	The batteries have lost their charge. The built-in microprocessor has malfunctioned due to external electrical interference.	Replace the batteries. Unplug the System then plug it back in.
NO DISC appears.	There is no disc in the tray, or CD, CD-R or CD-RW that hasn't yet been finalized (including blank discs) has been inserted.	Insert a CD, CD-R or CD-RW that has been finalized.