Sony CDX-C5750 Car Stereo Manual

The Sony CDX-C5750 is a single-DIN car stereo featuring CD/MP3 playback, AM/FM tuner with 18 FM/6 AM presets, front auxiliary input, detachable faceplate security, 52W x 4 high power output, bass boost, loudness, and customizable audio settings. Compatible with steering wheel remote controls (optional). 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 detachable faceplate, wiring harness, mounting sleeve, user manual, remote control (optional).

Feature	Description
CD/MP3 Playback	Plays standard audio CDs and MP3 files recorded on CD-R/RW
AM/FM Tuner	18 FM and 6 AM station presets
Front AUX Input	3.5mm jack for connecting portable audio devices
Detachable Faceplate	Security feature to prevent theft
Power Output	52W x 4 channels (max)
Audio Controls	Bass, Treble, Fader, Balance, Loudness, Bass Boost
Display	Green fluorescent display with dimmer control
Clock	Digital clock with sleep timer
Remote Ready	Compatible with optional Sony steering wheel remote
Power Requirements	12V DC, negative ground

Installation

Ensure vehicle is parked, ignition off, and battery disconnected before installation.

Remove existing stereo: Use removal tools or keys if applicable.
Connect wiring harness: Match wire colors (red to ignition, yellow to battery, black to ground).
Connect speakers: Ensure correct polarity (positive/negative).
Connect antenna plug to rear of unit.
Slide unit into dash sleeve and secure with brackets.
Reconnect vehicle battery and test functions.

WARNING! Incorrect wiring can cause damage to unit or vehicle electrical system. Consult professional installer if unsure.

First-Time Setup

After installation, power on the unit and configure initial settings.

Set the clock: Press and hold CLOCK button, use TUNE/SEEK to adjust time.
Program radio presets: Tune to desired station, press and hold a preset button (1-6 for AM, 1-18 for FM).
Adjust audio settings: Use BASS, TREBLE, FADER, BALANCE controls to match listening preference.
Test CD playback: Insert a CD to ensure proper loading and playback.

CAUTION! Do not force CDs into the slot. Ensure unit is securely mounted before driving.

Specifications

Form Factor: Single-DIN (2" x 7").
Tuner: FM/AM with seek and scan.
Audio Output: 52W x 4 (max), 17W x 4 (RMS).
Frequency Response: 20Hz - 20kHz.
Signal-to-Noise Ratio: >90dB (CD).
Supported Media: Audio CD, CD-R, CD-RW, MP3 CD.
Inputs: Front 3.5mm AUX.
Power Supply: 12V DC (negative ground).
Operating Temp: 32°F to 158°F (0°C to 70°C).

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BAND, TUNE/SEEK, AUDIO menu, OPEN/CLOSE, DETACH button for faceplate.

Remote (optional): Basic playback and volume controls.

Audio Settings: BASS (-10 to +10), TREBLE (-10 to +10), FADER (front/rear), BALANCE (left/right), LOUDNESS (on/off), BASS BOOST (0/1/2). Radio: Manual tuning, seek, preset memory. CD: Play, pause, skip, repeat, random play. Display: Dimmer control (two levels). Clock: 12/24 hour format.

Connecting Devices

AUX Input: Front 3.5mm jack for MP3 players, smartphones. Antenna: Standard car antenna plug. Speakers: 4-channel output.

Turn off unit before connecting devices.
Plug 3.5mm cable from device into front AUX jack.
Select AUX source by pressing SOURCE button.
Control volume on both device and car stereo for optimal level.

Tip: Use high-quality cables to minimize audio interference.

Playing Media

Supports audio CDs and MP3 CDs (ISO 9660 format).

Insert disc: Press OPEN/CLOSE, place disc label-side up.
Play: Press PLAY or close tray; unit begins playback automatically.
Skip tracks: Press TUNE/SEEK up or down.
Repeat/Random: Press AUDIO button to access play modes (REPEAT ALL/ONE, RANDOM).
Fast forward/rewind: Press and hold TUNE/SEEK during playback.
Eject: Press OPEN/CLOSE to remove disc.
MP3 Navigation: Use TUNE/SEEK to skip folders/files.

WARNING! Do not use damaged or irregularly shaped CDs. Avoid exposing unit to excessive heat or moisture.

Security Features

Detachable Faceplate: Press DETACH button and slide faceplate off. Store in protective case when leaving vehicle. Security Code: Optional code can be set to deter theft (see manual for setup).

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth for faceplate and display. For stubborn dirt, dampen cloth slightly with water.

CAUTION! Do not use solvents, benzene, or abrasive cleaners. Never spray liquids directly onto unit.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for vehicular use. 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
No power	Blown fuse, wiring	Check vehicle fuse (usually 10A); verify wiring connections (red/yellow/black).
No sound from speakers	Speaker wires, fader	Check speaker connections; adjust fader/balance settings; ensure source is playing.
CD won't play	Disc format/damage	Ensure disc is clean, not scratched; verify MP3 CDs are in ISO 9660 format.
Poor radio reception	Antenna connection	Ensure antenna plug is fully inserted; check antenna for damage.
Faceplate won't attach	Misalignment	Align guide marks on faceplate and unit; slide gently until it clicks.

Reset: Disconnect power for 1 minute to reset microprocessor.

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