Sony CDX-C5850R Car Stereo Manual

The Sony CDX-C5850R is a single-DIN car stereo featuring a CD player with MP3/WMA playback, AM/FM tuner with 18 presets, front auxiliary input, detachable faceplate security, 4-channel high-power output, and customizable audio settings. It supports steering wheel remote control compatibility and includes bass boost and loudness features. 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, Remote Control, Wiring harness, Antenna connector, Front AUX input.

Feature	Description
CD Player	Plays Audio CDs, CD-R/RW with MP3/WMA files
AM/FM Tuner	18 preset stations (12 FM, 6 AM)
Front AUX Input	3.5mm jack for portable audio devices
Detachable Faceplate	Security feature to prevent theft
Power Output	4 x 50W max (4 x 17W RMS)
Audio Controls	Bass, Treble, Fader, Balance, Loudness
Display	Green fluorescent display with dimmer
Remote Ready	Compatible with Sony CD-RM10 steering wheel remote
Power Requirements	12V DC, negative ground
Dimensions	Single DIN (178mm x 50mm x 159mm)

Installation

Unpack and inspect contents. Ensure vehicle is turned off.

Disconnect negative battery terminal for safety.
Remove existing stereo: Use DIN tools to release unit from dashboard.
Connect wiring harness: Match colors (Red: Ignition, Yellow: Battery, Black: Ground, etc.).
Connect antenna plug to rear of unit.
Slide unit into dashboard until it clicks into place.
Reconnect battery and test functions.

WARNING! Incorrect wiring may damage unit or vehicle electrical system. Consult vehicle manual if unsure.

First-Time Setup

Power on unit; follow initial setup.

Set clock: Press and hold CLOCK button, use TUNE/SEEK to adjust.
Program radio presets: Tune to station, press and hold preset button (1-6).
Adjust audio settings: Use BASS/TREBLE controls for preference.
Attach faceplate: Align and push until it clicks.

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

Specifications

Audio Formats: CD-DA, CD-R/RW, MP3, WMA.
Tuner Sensitivity: FM 12.8 dBf, AM 27 µV.
Frequency Response: 20Hz - 20kHz.
Signal-to-Noise Ratio: >90 dB (CD).
Output Impedance: 4-8 ohms.
Power Supply: 12V DC (10.8-16V range).
Dimensions (W x H x D): 178mm x 50mm x 159mm.
Weight: Approx. 1.2 kg.

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE, BAND, TUNE/SEEK, AUDIO, CLOCK, EJECT.

Remote (if equipped): POWER, VOLUME, SOURCE, PRESET, MUTE.

Audio Settings: BASS (-10 to +10), TREBLE (-10 to +10), FADER (F-R balance), BALANCE (L-R balance), LOUDNESS (On/Off). Tuner: Manual/seek tuning, local/distance reception. Display: Dimmer (2 levels), clock display. CD: Repeat (1/All), random play, scan.

Connecting Devices

AUX Input: Front 3.5mm jack for MP3 players/phones. Preamp Outputs: Rear RCA jacks for external amplifiers (Front/Rear).

Turn off unit before connecting devices.
Plug 3.5mm cable from device into front AUX jack.
Select AUX source with SOURCE button.
For amplifiers: Connect RCA cables from rear outputs to amp inputs.

Tip: Use quality cables to minimize interference.

Playing Media

Supports CDs, MP3/WMA CDs, AUX input.

Insert CD: Press EJECT, load disc label-side up.
Play: Press SOURCE to select CD; playback starts automatically.
Skip tracks: Press TUNE/SEEK (>) or (<).
Scan: Press and hold TUNE/SEEK to sample tracks.
Repeat/Random: Press AUDIO repeatedly to cycle modes.
MP3 Navigation: Use TUNE/SEEK to skip folders/files.
AUX Playback: Connect device, select AUX source.
Eject: Press EJECT; remove disc when tray extends.

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

Security Features

Detachable Faceplate: Remove by pressing release button; store separately. Security Code: Optional 4-digit code can be set via hidden menu (default 0000).

Care & Cleaning

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

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

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check connections; verify fuse in power wire; ensure ground is secure.
CD won't play	Disc/dirty lens	Check disc format/compatibility; use cleaning disc.
Poor radio reception	Antenna connection	Ensure antenna plug fully inserted; check antenna mast.
No sound from speakers	Wiring/settings	Verify speaker wires; check fader/balance settings.
Unit asks for code	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