Sony CDX-GT660UP Car Stereo Manual

The Sony CDX-GT660UP is an in-dash CD receiver with USB direct control for iPod/iPhone, built-in MOSFET 52W x 4 amplifier, Quick-BrowZer™ for easy music search, CD-R/RW playback, MP3/WMA/AAC playback, 18 FM/6 AM presets, detachable face security, and customizable illumination. 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 & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit, Remote Control, Wiring harness, Trim plate, Installation hardware, User manual.

FeatureDescription
USB Direct ControlFor iPod/iPhone playback and charging via USB cable
MOSFET 52W x 4 AmplifierHigh-power built-in amplifier for clear sound
Quick-BrowZer™Fast music search by artist/album/genre
CD PlaybackPlays CD, CD-R, CD-RW, MP3, WMA, AAC
18 FM / 6 AM PresetsStores favorite radio stations
Detachable FaceplateSecurity feature to prevent theft
Customizable IlluminationAdjust display color to match car interior
AUX Input3.5mm jack for external audio devices
Remote ControlIncluded for convenient operation
Power Output52W x 4 max, 17W x 4 RMS

Installation

Unpack and inspect contents. Ensure vehicle is parked with ignition off.

  1. Disconnect negative battery terminal for safety.
  2. Remove existing stereo: Use removal tools for factory unit.
  3. Connect wiring harness: Match colors (red-ignition, yellow-battery, black-ground).
  4. Connect antenna and speakers: Ensure secure connections.
  5. Mount unit: Slide into dash, secure with brackets.
  6. Reconnect battery and test functions.

WARNING! Incorrect wiring may damage unit or vehicle. Consult professional if unsure.

First-Time Setup

After installation, power on unit; configure initial settings.

  1. Set clock: Press SOURCE to enter standby, hold SETUP for 2 seconds.
  2. Program radio presets: Tune to station, hold preset button for 2 seconds.
  3. Adjust audio settings: Use BASS, MID, TREBLE, fader, balance.
  4. Customize illumination: Select color from menu (Red/Blue/Green/White).
  5. Pair Bluetooth devices (if equipped): Enter pairing mode from menu.

CAUTION! Do not operate while driving; set up when parked.

Specifications

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE, EJECT, FUNCTION, AUDIO/MENU.

Remote: POWER, Numeric buttons, VOLUME, MUTE, BAND, PRESET, PLAY/PAUSE.

Audio Settings: BASS, MIDRANGE, TREBLE (-7 to +7), fader/balance, loudness (on/off). Radio: Manual/seek tuning, preset memory, local/distance reception. Display: Illumination color, dimmer, clock setting. System: Reset, beep on/off, language.

Connecting Devices

USB: Connect iPod/iPhone or USB memory. AUX: 3.5mm cable from external player.

  1. Turn off unit before connecting devices.
  2. For iPod/iPhone: Use genuine USB cable for control/charging.
  3. For AUX: Plug into 3.5mm jack, select AUX source.
  4. For USB memory: Format as FAT32, insert directly.

Tip: Use supported formats (MP3: 32-320kbps, WMA: 32-192kbps).

Playing Media

Supports CD, USB, AUX, radio.

  1. Insert CD: Press EJECT, load disc label-side up.
  2. Play: Press PLAY; skip tracks with ◄► buttons.
  3. USB playback: Connect device, select USB source, browse folders.
  4. Quick-BrowZer™: Press FUNCTION to search by artist/album/genre.
  5. Repeat/shuffle: Press RPT or RDM during playback.
  6. Radio: Press BAND to switch FM/AM, tune with ◄►.
  7. Presets: Store stations by holding preset button.
  8. AUX: Select AUX source, control volume on external device.

WARNING! Do not use damaged discs; avoid extreme temperatures.

Security Features

Detachable Faceplate: Remove when parked to deter theft. Security Code: Optional code setting in menu (default 0000).

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth; avoid liquids.

CAUTION! Do not use solvents; keep faceplate away from direct sunlight.

Regulatory Information

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

Troubleshooting

SymptomPossible CauseCorrective Action
No powerWiring/ignitionCheck battery/ignition connections; verify fuse.
No soundSpeaker connectionsEnsure speakers wired correctly; check mute.
CD not playingDisc/damageClean disc; ensure compatible format; eject and reload.
USB not recognizedFormat/cableReformat as FAT32; use genuine cable; update device OS.
Poor radio receptionAntenna/stationExtend antenna fully; adjust local/distance setting.

Reset: Hold SETUP while turning on to factory reset.

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

Sony CDX-GT660UP Car Stereo Manual © - All Rights Reserved 2025