Sony CDX-M730 Car Stereo Manual

The Sony CDX-M730 is a high-performance car stereo featuring CD/MP3 playback, AM/FM tuner with 18 FM/6 AM presets, detachable faceplate security, 52W x 4 high power output, CD-R/RW compatibility, Bass Engine sound management system, and auxiliary input capability. 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 & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with detachable faceplate, Remote Control, Wiring harness, Antenna connector, Auxiliary input port, Speaker outputs.

Feature	Description
CD/MP3 Playback	Plays standard audio CDs and MP3 encoded discs
AM/FM Tuner	18 FM and 6 AM station presets
Detachable Faceplate	Security feature to prevent theft
Power Output	52W x 4 channels (max power)
Bass Engine	Sound management with EQ presets
Auxiliary Input	3.5mm jack for external audio devices
CD-R/RW Compatible	Plays recordable and rewritable CDs
Illumination	Adjustable display color
Remote Control	Included for convenient operation
Clock & Timer	Built-in clock with sleep timer function

Installation

Unpack and inspect contents. Ensure vehicle is turned off.

Disconnect vehicle battery: Remove negative terminal for safety.
Remove existing stereo: Use appropriate removal tools for your vehicle.
Connect wiring harness: Match colors to Sony harness (red to ignition, yellow to battery, black to ground).
Connect antenna: Plug vehicle antenna cable into rear port.
Secure unit: Insert into dashboard and secure with mounting sleeve.
Reconnect battery and test functions.

WARNING! Incorrect wiring may damage unit or vehicle electrical system. Professional installation recommended.

First-Time Setup

Power on unit; follow initial setup procedure.

Set clock: Press and hold CLOCK button, use TUNE/SEEK to adjust.
Program radio presets: Tune to desired station, press and hold preset button (1-6/1-18).
Adjust sound settings: Use BASS ENGINE button to access EQ presets (POP, ROCK, JAZZ, etc.).
Set illumination: Press DISP to cycle through color options.
Test CD playback: Insert audio CD to verify operation.

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

Specifications

Power Output: 52W x 4 (max), 17W x 4 (RMS).
Tuner: FM 87.5-108 MHz, AM 530-1710 kHz.
CD Compatibility: Audio CD, CD-R, CD-RW, MP3 CD.
Signal-to-Noise: 100 dB (CD), 80 dB (FM).
Frequency Response: 20-20,000 Hz.
Power Requirements: 12V DC, negative ground.
Dimensions: DIN size (178mm x 50mm x 159mm).
Operating Temp: -20°C to +60°C.

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BASS ENGINE, OPEN/CLOSE, AUDIO/MUTE, DISP.

Remote: POWER, Numeric buttons, OPEN/CLOSE, SOURCE, VOLUME, MUTE, BAND, SEEK/TUNE.

Sound Settings: BASS ENGINE (EQ presets: POP, ROCK, JAZZ, CUSTOM), Bass Boost, Loudness. Radio: Manual/Auto store presets, Local/DX reception. Display: Illumination color (Green/Amber/Red), Dimmer. Clock: 12/24 hour format. Audio: Fader/Balance controls, AUX input level.

Connecting Devices

Antenna: Standard vehicle antenna cable. Speakers: 4-channel output. Auxiliary: 3.5mm mini-jack input.

Turn off vehicle before connecting devices.
Connect speakers ensuring proper impedance (4-8 ohms).
Connect auxiliary device to front/rear AUX input.
Select source via SOURCE button (CD/TUNER/AUX).

Tip: Use high-quality speaker wire for best sound quality.

Playing Media

Supports Audio CD, MP3 CD, CD-R/RW.

Insert disc: Press OPEN/CLOSE, load CD label side up.
Play: Press PLAY; select track with numeric buttons or SEEK.
Stop: Press OPEN/CLOSE to eject; unit stops automatically.
Skip: PREV/NEXT for tracks.
MP3 Navigation: Use FOLDER buttons to navigate directories.
Repeat/Random: Press RPT or RDM during playback.
Scan: Press and hold SEEK to sample tracks.
Pause: Press PAUSE during playback.

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

Security Features

Detachable Faceplate: Remove when parked to deter theft. Security Code: 4-digit code can be set (default 0000).

Care & Maintenance

Clean with soft, dry cloth only. Do not use solvents or chemicals.

CAUTION! Do not expose to extreme temperatures or moisture. Store faceplate in protective case.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check connections; replace 10A fuse; verify ignition wire.
No sound	Speaker connections	Check speaker wires; ensure proper grounding.
CD won't play	Disc/loading	Clean disc; ensure proper format (audio CD/MP3).
Poor radio reception	Antenna connection	Check antenna cable; ensure secure connection.
Faceplate won't attach	Alignment/obstruction	Clean connectors; align properly and push firmly.
Security code requested	Power loss	Enter 4-digit security code (default 0000).

Reset: Disconnect battery for 5 minutes to reset unit.

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