Sony MDX-65 Car Stereo Manual

The Sony MDX-65 is an in-dash CD receiver with AM/FM tuner, built-in amplifier, and support for CD, CD-R, and CD-RW playback. It features a detachable faceplate for security, 18 FM/6 AM presets, Bass/Treble controls, Loudness function, and a 4-channel amplifier output. Designed for 12V DC vehicle electrical systems. 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, Detachable Faceplate, Remote Control, Wiring Harness, Mounting Sleeve, Antenna Connector, RCA Pre-amp Outputs.

Feature	Description
Detachable Faceplate	For theft prevention; removes easily
CD Player	Plays CD, CD-R, CD-RW discs
AM/FM Tuner	18 FM and 6 AM station presets
Bass/Treble Controls	Adjustable low and high frequencies
Loudness Function	Enhances sound at low volumes
Pre-amp Outputs	RCA outputs for front/rear and subwoofer
Power Output	4 x 50W max (typically 4 x 20W RMS)
Power Input	12V DC, negative ground
Illumination	Green or amber display to match dash lighting
Remote Control	Included for basic functions

Installation

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

Disconnect negative battery terminal: For safety during wiring.
Connect wiring harness: Match colors to vehicle harness (red to ignition, yellow to constant 12V, black to ground).
Mount sleeve: Insert into dashboard opening; bend tabs to secure.
Connect antenna: Plug antenna cable into rear of unit.
Connect speakers: Ensure correct polarity (+/-).
Slide unit into sleeve until it clicks.
Reconnect battery and test.

WARNING! Incorrect wiring can damage the unit or vehicle electrical system. Consult a professional if unsure.

First-Time Setup

Reconnect battery and turn on ignition to power unit.

Set clock: Press and hold CLOCK button, use tuning knob to set time.
Program radio presets: Tune to desired station, press and hold a preset button (1-6) for 2 seconds.
Adjust sound: Use BASS, TREBLE, and LOUDNESS controls to preference.
Set display illumination: Press DIMMER to match vehicle dash lighting.

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

Specifications

Audio Section: 4-channel built-in amplifier.
Power Output: 50W x 4 max (20W x 4 RMS).
Tuner Section: FM/AM with 18 FM and 6 AM presets.
CD Section: Plays CD-DA, CD-R, CD-RW.
Frequency Response: 20Hz - 20kHz.
Signal-to-Noise Ratio: >90dB (CD).
Pre-amp Outputs: Front, Rear, Subwoofer (2V).
Power Requirement: 12V DC (negative ground).
Dimensions: DIN size (approx. 7" x 2").

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BASS/TREBLE buttons, LOUDNESS, BAND, OPEN/CLOSE, numeric buttons.

Remote: POWER, VOLUME UP/DOWN, MUTE, SOURCE, TRACK UP/DOWN, PRESET UP/DOWN.

Audio: BASS (-10 to +10), TREBLE (-10 to +10), LOUDNESS (On/Off). Tuner: Manual tuning, Seek tuning, Preset memory. CD: Play, Pause, Stop, Skip, Repeat, Random play. Display: DIMMER (two levels), CLOCK setting.

Connecting Devices

Antenna: Standard motor vehicle antenna plug. Speakers: 4-8 ohm speakers. External amp: Use RCA pre-amp outputs.

Turn off ignition and disconnect battery before connecting.
Connect speakers ensuring correct impedance (4-8 ohms).
For external amplifier, connect RCA cables from pre-out to amp inputs.
Select source via SOURCE button (TUNER, CD).

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

Playing Media

Supports CD, CD-R, CD-RW audio discs.

Insert disc: Press OPEN/CLOSE, load CD label side up.
Play: Press PLAY; unit typically starts playback automatically.
Skip tracks: Press TRACK UP/DOWN or remote buttons.
Repeat: Press REPEAT to repeat current track or all tracks.
Random: Press RANDOM for shuffle play.
Fast forward/rewind: Press and hold TRACK buttons during playback.
Eject: Press OPEN/CLOSE to remove disc.

WARNING! Do not use damaged or irregular shaped discs. Avoid extreme temperatures.

Security Features

Detachable Faceplate: Remove for theft prevention; store separately. Security Code: Optional code can be set to disable unit if stolen (see manual for setup).

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth for faceplate and unit. For CD lens, use approved cleaning disc only.

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

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 Sony customer service at 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit does not power on	Power/Battery connection	Check fuse; verify wiring (yellow/red wires); reconnect battery.
No sound from speakers	Speaker connections/Settings	Check speaker wires for shorts/opens; ensure volume not muted.
CD does not play	Disc/Player issue	Ensure disc is clean, not scratched; try another CD; check for lens dirt.
Poor radio reception	Antenna connection	Ensure antenna plug fully inserted; check antenna for damage.
Faceplate does not attach	Alignment/Dirt	Clean connectors on unit and faceplate; align properly and push firmly.

Reset: Disconnect power for 1 minute to reset microprocessor.

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