Sony STR-GX69ES Car Stereo Manual

The Sony STR-GX69ES is a high-performance car stereo receiver featuring AM/FM tuner with 30 station presets, cassette tape player with auto-reverse and Dolby B noise reduction, CD changer control, 4-channel amplifier (50W x 4 max), high-power preamp outputs, bass/treble controls, loudness function, detachable faceplate security, and electronic anti-theft protection. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Playing Media 8. Security Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with detachable faceplate, Remote Control (optional), Wiring harness, Antenna connector, Preamp outputs (front/rear/sub), Cassette door, CD changer control port.

Feature	Description
AM/FM Tuner	30 station presets (18 FM, 12 AM) with seek/scan
Cassette Player	Auto-reverse, Dolby B NR, metal tape capability
CD Changer Control	Controls compatible Sony CD changers (via BUS connection)
Amplifier	4-channel, 50W x 4 max power output
Preamp Outputs	Front, rear, and subwoofer outputs for external amps
Audio Controls	Bass, treble, balance, fader, loudness
Detachable Faceplate	Security feature to prevent theft
Anti-Theft Code	Electronic security code system
Power Requirements	12V DC, negative ground
Dimensions	DIN size (178mm x 50mm)

Installation

Unpack and inspect contents. Ensure vehicle is turned off.

Disconnect negative battery terminal before installation.
Remove existing stereo: Use DIN tools to release unit from dashboard.
Connect wiring harness: Match colors (red: ignition, yellow: constant 12V, black: ground, etc.).
Connect antenna plug and preamp/output cables if used.
Slide unit into dashboard until it clicks into place.
Reconnect battery and test functions.

WARNING! Incorrect wiring can damage unit or vehicle electrical system. Use proper fuse protection.

First-Time Setup

After installation, power on unit; set basic functions.

Set security code: Note code (default 0000) and change if desired via menu.
Program radio stations: Tune to station, press and hold preset button.
Adjust audio settings: Set bass, treble, balance, fader to preference.
Test cassette and CD functions (if connected).

CAUTION! Always detach faceplate when leaving vehicle unattended.

Specifications

Tuner Section: FM 87.5-108 MHz, AM 530-1710 kHz.
Cassette Section: Frequency response 30-15,000 Hz (with Dolby).
Amplifier: Max power 50W x 4 (at 14.4V, 1kHz, 10% THD).
Preamp Outputs: 2.2V (front/rear), 5V (subwoofer).
Signal-to-Noise Ratio: 80 dB (FM), 58 dB (cassette).
Power Supply: 12V DC (negative ground).
Dimensions (W x H x D): 178mm x 50mm x 160mm.
Operating Temp: 0°C to 40°C (32°F to 104°F).

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BASS/TREBLE knobs, TAPE direction button, BAND button, preset buttons 1-6.

Remote (optional): POWER, VOLUME, SOURCE, SEEK, PRESET, TAPE EJECT.

Audio: BASS (-10 to +10), TREBLE (-10 to +10), BALANCE (L/R), FADER (F/R), LOUDNESS (on/off). Tuner: Manual tuning, seek, scan, preset memory. Tape: Auto-reverse, Dolby NR, metal tape selector. Security: Code entry, faceplate detachment.

Connecting Devices

Antenna: Standard motorola plug. Speakers: Up to 4 speakers (4-8 ohms). External amp: Use preamp outputs. CD changer: Connect via BUS control cable.

Turn off vehicle ignition before connecting devices.
Match speaker polarity (+ to +, - to -).
Use shielded RCA cables for preamp outputs.
Select source via SOURCE button (TUNER, TAPE, CD).

Tip: Route cables away from power wires to reduce noise.

Playing Media

Supports FM/AM radio, cassette tapes, and Sony CD changers.

Radio: Press BAND to select FM/AM, use TUNE or SEEK to find station.
Cassette: Insert tape (label side out); playback starts automatically.
CD changer (if connected): Press SOURCE to CD, use remote or unit controls.
Fast forward/rewind: Press and hold FF or REW (tape).
Dolby NR: Press DOLBY button during tape playback to reduce hiss.
Auto-reverse: Tape reverses automatically at end of side.
Loudness: Press LOUD to boost bass at low volumes.

WARNING! Do not insert objects into cassette slot. Avoid extreme temperatures.

Security Features

Detachable Faceplate: Remove by pressing release button. Anti-Theft Code: If power disconnected, enter 4-digit code to unlock unit (default 0000).

Care & Cleaning

Use soft, dry cloth for exterior. Clean tape heads with isopropyl alcohol and cotton swab periodically.

CAUTION! Do not use solvents or abrasive cleaners. Keep faceplate away from direct sunlight.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. This device complies with part 15 of the FCC Rules. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit does not power on	Power/ground connection	Check fuse, wiring harness, battery connection.
No sound from speakers	Speaker wiring/settings	Verify speaker connections; check balance/fader settings.
Radio poor reception	Antenna connection	Ensure antenna plug fully inserted; check antenna condition.
Tape won't play/eject	Mechanical issue	Check for jammed tape; gently remove with tweezers if accessible.
"CODE" displayed	Security lock active	Enter correct 4-digit security code.

Reset: Disconnect battery for 10 minutes to reset unit (note: security code required after).

Service: 1-800-222-7669; www.sony.com/electronics/support