Sony CDX-444RF Car Stereo Manual

The Sony CDX-444RF is a car stereo featuring a CD player with AM/FM tuner, wireless remote control, detachable faceplate for security, 4x50W maximum power output, front auxiliary input, and RF remote capability. It includes bass/treble controls, preset station memory, and compatibility with CD-R/RW discs. 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 CD slot, Detachable Faceplate, Wireless Remote Control, Wiring harness, Mounting sleeve.

Feature	Description
CD Player	Plays standard audio CDs and CD-R/RW discs
AM/FM Tuner	30 station presets (18 FM, 12 AM)
Wireless Remote	RF remote for operation from a distance
Detachable Faceplate	Security feature to prevent theft
Power Output	4 x 50W maximum power
Auxiliary Input	Front 3.5mm jack for external audio devices
Bass/Treble Control	Adjustable sound settings
LCD Display	Shows track, station, and time information
Clock	Built-in digital clock
Power Connection	12V DC vehicle power

Installation

Unpack and inspect contents. Ensure vehicle is off and battery disconnected.

Remove existing stereo: Use removal tools if necessary.
Connect wiring harness: Match colors (red to ignition, yellow to battery, black to ground).
Connect speakers: Ensure proper polarity (positive/negative).
Insert mounting sleeve into dashboard opening.
Slide main unit into sleeve until it clicks.
Reconnect vehicle battery.

WARNING! Disconnect vehicle battery before installation to avoid short circuits. Ensure all connections are secure.

First-Time Setup

Power on unit; follow initial setup.

Set clock: Press and hold CLOCK button, adjust with tuning knob.
Program radio stations: Tune to desired station, press and hold preset button.
Adjust sound settings: Use BASS/TREBLE controls for preference.
Test CD playback: Insert a CD to ensure proper operation.

CAUTION! Do not operate while driving. Park vehicle for initial setup.

Specifications

Power Supply: 12V DC (negative ground).
Maximum Power Output: 4 x 50W.
Tuner Section: FM 87.5-108.0 MHz, AM 530-1710 kHz.
CD Compatibility: Audio CD, CD-R, CD-RW.
Signal-to-Noise Ratio: >90 dB (CD).
Frequency Response: 20 Hz - 20 kHz.
Auxiliary Input: 3.5mm stereo jack.
Dimensions: Standard DIN size (178mm x 50mm).
Operating Temperature: 0°C to 40°C (32°F to 104°F).

Controls and Settings

Access functions via front panel buttons or remote control. Front Panel: POWER/VOLUME knob, SOURCE, BAND, TUNE/TRACK, BASS/TREBLE, CLOCK, EJECT.

Remote: POWER, VOLUME UP/DOWN, SOURCE, BAND, PRESET, TUNE/TRACK, MUTE, PLAY/PAUSE, STOP.

Sound: BASS (-10 to +10), TREBLE (-10 to +10), balance/fader. Radio: Manual/seek tuning, preset memory (30 total). CD: Play, pause, stop, skip, repeat, random play. Display: Dimmer control, clock setting.

Connecting Devices

Auxiliary: Front 3.5mm jack for MP3 players, smartphones. Antenna: Vehicle antenna connector.

Turn off unit before connecting devices.
Plug 3.5mm cable into front AUX IN jack.
Select AUX source via SOURCE button.
Ensure vehicle antenna is properly connected.

Tip: Use high-quality cables for best audio performance.

Playing Media

Supports audio CDs, CD-R/RW.

Insert disc: Press EJECT, load CD label-side up.
Play: Press PLAY; skip tracks with TUNE/TRACK buttons.
Stop: Press STOP; eject with EJECT button.
Repeat/Random: Press corresponding buttons during playback.
Pause: Press PLAY/PAUSE to temporarily halt playback.
Fast Forward/Rewind: Press and hold TUNE/TRACK buttons.
Display: Shows track number and elapsed time.

WARNING! Do not use damaged or irregular-shaped discs. Keep discs clean.

Security Features

Detachable Faceplate: Remove by pressing release button; store separately. Security Code: Optional code can be set to disable unit if stolen (refer to manual for setup).

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth for exterior. Clean CD lens with approved cleaning disc only.

CAUTION! Do not use solvents or abrasive cleaners. Avoid moisture.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check connections; verify ignition and battery wires; check vehicle fuse.
No sound from speakers	Speaker connections	Verify speaker wires are connected and not shorted.
CD won't play	Disc/dirty lens	Ensure disc is clean and undamaged; use cleaning disc.
Poor radio reception	Antenna connection	Ensure antenna is fully extended and connected.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear line of sight to unit.
Unit asks for code	Security feature	Enter security code if set; default may be 0000 or 1111.

Reset: Disconnect power for 1 minute to reset microprocessor.

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