Sony CDX-GT56UIW Car Stereo Manual

The Sony CDX-GT56UIW is a single-DIN car stereo featuring a detachable faceplate, USB direct control for iPod/iPhone, CD/MP3/WMA playback, 52W x 4 high power output, built-in MOSFET amplifier, 3-band parametric EQ, tuner with 18FM/12AM presets, and auxiliary input. Key sections include safety, features, installation, operation, settings, 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 & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit, Detachable Faceplate, Remote Control, Wiring Harness, Mounting Sleeve, USB Extension Cable, Owner's Manual.

Feature	Description
Detachable Faceplate	Security feature to prevent theft
USB Direct Control	Connect and control iPod/iPhone directly
CD/MP3/WMA Playback	Plays CDs, MP3, and WMA files
52W x 4 Output	High power MOSFET amplifier
3-Band Parametric EQ	Customizable sound settings
Tuner Presets	18 FM and 12 AM station presets
Auxiliary Input	3.5mm jack for external audio devices
Illuminated Controls	Red illumination for easy visibility
Clock & Timer	Built-in clock with sleep timer function
Remote Control	Included for convenient operation

Installation

Unpack and verify all components. Ensure vehicle is parked with ignition off.

Disconnect negative battery terminal for safety.
Remove existing stereo using appropriate removal tools.
Connect wiring harness to vehicle's wiring following color codes.
Connect antenna cable and ground wire securely.
Slide unit into mounting sleeve and secure with brackets.
Reconnect battery and test functions before final assembly.

WARNING! Incorrect installation may cause electrical damage or fire. Consult professional installer if unsure.

First-Time Setup

After installation, configure basic settings.

Set clock: Press and hold CLOCK button, adjust with tuning knob.
Program radio presets: Tune to desired station, press and hold preset button.
Adjust sound settings: Use EQ menu to select preset or custom settings.
Set audio preferences: Balance, fader, loudness, and subwoofer settings.
Configure USB settings for iPod/iPhone compatibility.

CAUTION! Do not operate while driving. Park vehicle before adjusting settings.

Specifications

Power Output: 52W x 4 (MOSFET power amplifier).
Audio Formats: CD-DA, MP3, WMA.
Tuner Sensitivity: FM 10.3 dBf, AM 27 μV.
Frequency Response: 20Hz - 20kHz.
Signal-to-Noise Ratio: 95 dB (CD).
USB Compatibility: iPod, iPhone, USB memory devices.
Power Requirements: 12V DC, negative ground.
Dimensions: 178mm (W) x 50mm (H) x 160mm (D).
Operating Temperature: -20°C to +60°C.

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BAND button, MENU/ENTER, tuning knob, eject button, USB port, AUX input.

Remote Control: POWER, VOLUME, SOURCE, PRESET, MUTE, PLAY/PAUSE, SKIP, BAND, DISP.

Audio Settings: EQ (FLAT, POWER, VOCAL, CUSTOM), Bass/Mid/Treble, Loudness, Balance/Fader, Subwoofer level. Radio Settings: Local/DX tuning, Preset scan, Auto memory. System Settings: Clock, Dimmer, Beep, Language, Reset. USB Settings: iPod mode, USB mode, Folder skip.

Connecting Devices

USB: Connect iPod/iPhone or USB memory to front USB port. AUX: Connect audio device to 3.5mm AUX input. External Amplifier: Use preamp outputs (if equipped).

Ensure ignition is off before connecting devices.
Use genuine Sony cables for optimal performance.
Select appropriate source (USB, AUX) using SOURCE button.
For iPod/iPhone, enable USB control mode when prompted.

Tip: Format USB devices to FAT32 for best compatibility.

Playing Media

Supports CDs, USB devices, and auxiliary input.

Insert CD: Press eject button, insert disc label side up.
USB playback: Connect device, select USB source, navigate folders with tuning knob.
Play/Pause: Press PLAY/PAUSE button.
Skip tracks: Use SKIP buttons or remote control.
Scan: Press and hold SKIP to fast forward/rewind.
Repeat/Random: Access through MENU options.
Folder navigation: Use left/right buttons on USB mode.
Display modes: Press DISP to show track info, time, or folder.

WARNING! Do not insert damaged or irregular-shaped discs. Keep USB port clean and dry.

Security Features

Detachable Faceplate: Remove when parked to deter theft. Security Code: Optional code can be set (default 0000). Faceplate Storage Case: Provided for safe storage.

Care & Maintenance

Clean with soft, dry cloth. Do not use solvents or abrasive cleaners. Store faceplate in provided case. Keep discs and USB ports free from dust and moisture.

CAUTION! Never insert foreign objects into CD slot or USB port. Avoid extreme temperatures.

Regulatory Information

FCC ID: AK8CDXGT56UIW. Complies with Part 15 of FCC Rules. This device complies with Industry Canada license-exempt RSS standard(s). Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Blown fuse/wiring	Check vehicle fuse; verify wiring connections; ensure ground is secure.
No sound	Mute/settings	Check mute function; verify speaker connections; adjust volume.
CD won't play	Disc/format	Ensure disc is clean and not scratched; check format compatibility.
USB not recognized	Device/compatibility	Reconnect device; check format (FAT32); try different USB cable.
Poor radio reception	Antenna/connection	Ensure antenna is fully extended; check antenna connection; select local tuning.
Remote not working	Batteries/obstruction	Replace batteries; ensure clear line of sight to unit's sensor.

Reset: Disconnect battery for 1 minute or use reset function in menu.

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