Sony MEX-R5 Car Stereo Manual

The Sony MEX-R5 is a high-performance car stereo receiver featuring a CD player, AM/FM tuner, USB connectivity, Bluetooth for hands-free calling and audio streaming, auxiliary input, and customizable audio settings. It includes a detachable faceplate for security, remote control compatibility, and supports various audio formats. 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. Bluetooth & Connectivity 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, USB port, AUX IN jack, Microphone input for hands-free calling.

Feature	Description
CD Player	Plays audio CDs, CD-R/RW discs
AM/FM Tuner	Preset stations with seek and scan functions
USB Port	For connecting USB drives and charging devices
Bluetooth	Wireless audio streaming and hands-free calling
AUX IN	3.5mm jack for external audio sources
Detachable Faceplate	Security feature to prevent theft
EQ Settings	Customizable sound profiles (Rock, Pop, Jazz, etc.)
Remote Control	Included for convenient operation
Power Output	50W x 4 channels max
Illumination	Adjustable display color to match car interior

Installation

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

Connect wiring harness: Match wire colors (red to ignition, yellow to battery, black to ground).
Connect speakers: Attach speaker wires to corresponding terminals.
Connect antenna: Plug antenna cable into rear connector.
Mount unit: Secure in dashboard using supplied sleeve and brackets.
Reconnect battery and test functions.

WARNING! Disconnect vehicle battery before installation to avoid electrical shock or short circuits. Ensure all connections are secure and insulated.

First-Time Setup

Power on unit; follow initial configuration prompts.

Set clock: Press SETUP, navigate to Clock Settings, adjust time.
Program radio stations: Tune to desired station, press and hold preset button (1-6) to save.
Adjust display: In SETUP menu, select Display Settings for brightness and color.
Pair Bluetooth: Enable Bluetooth on phone, select "Sony MEX-R5" from device list.

CAUTION! Do not operate settings while driving. Park vehicle in safe location before adjusting.

Specifications

Power Output: 50W x 4 (max), 17W x 4 (RMS).
Tuner: AM/FM with 18 FM/6 AM presets.
CD Compatibility: CD, CD-R, CD-RW, MP3/WMA CDs.
USB: Supports MP3, WMA, AAC files; charges USB devices.
Bluetooth: Version 4.1, A2DP, HFP.
Audio Inputs: AUX IN (3.5mm), USB, Bluetooth.
EQ Presets: 5-band equalizer with 7 preset sound fields.
Power Supply: 12V DC, negative ground.
Dimensions: 178mm (W) x 50mm (H) x 160mm (D).

Controls and Settings

Access menus via SETUP button. Front Panel: POWER/VOLUME knob, SOURCE, EJECT, FUNCTION, AUDIO.

Remote: POWER, Numeric buttons, SOURCE, VOLUME, MUTE, BAND, PRESET, PLAY/PAUSE.

Audio Settings: EQ (Rock, Pop, Jazz, etc.), Bass/Treble, Balance/Fader, Loudness. Radio: Auto store, Local/DX switch. Display: Dimmer, Color (Red/Blue/Green). Bluetooth: Pairing, call history, phonebook access. Security: Code entry for theft deterrence.

Connecting Devices

USB: Front port for flash drives. AUX: 3.5mm cable from external player. Bluetooth: Wireless pairing.

Turn off unit before connecting wired devices.
Insert USB drive fully into port.
Connect AUX cable to headphone jack of device.
Select source via SOURCE button (USB, AUX, BT).

Tip: Use high-quality USB drives formatted in FAT32 for best compatibility.

Playing Media

Supports CDs, USB media, Bluetooth audio.

Insert CD: Press EJECT, load disc label-side up.
Play: Press PLAY; skip tracks with SEEK buttons.
USB playback: Navigate folders with TUNE knob; press to select.
Repeat/shuffle: Press RPT or RDM during playback.
Fast forward/rewind: Press and hold SEEK buttons.
Bluetooth audio: Select BT as source, play from connected device.
Detach faceplate: Press RELEASE button and slide out for security.

WARNING! Do not insert damaged or irregular-shaped discs. Keep USB port free of debris.

Bluetooth & Connectivity

Hands-free calling: Answer/end calls with PHONE button; use microphone for voice. Audio streaming: Stream music from smartphone. Phonebook: Sync contacts for voice dialing.

Care & Maintenance

Use soft, dry cloth for cleaning. Do not use solvents or abrasive cleaners. Store detachable faceplate in protective case.

CAUTION! Avoid extreme temperatures and moisture. Do not disassemble unit.

Regulatory Information

FCC ID: AK8MEXR5. This device complies with Part 15 of FCC Rules. Operation subject to conditions: (1) device may not cause harmful interference, (2) device must accept any interference received. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/fuse	Check connections; replace fuse (10A) in wiring harness.
Bluetooth not pairing	Settings/range	Enable pairing mode; ensure device within 3 feet; delete old pairings.
CD not playing	Disc/damage	Clean disc; ensure compatible format; check for scratches.
Poor radio reception	Antenna/connection	Fully extend antenna; secure antenna cable connection.
USB not recognized	Format/power	Reformat to FAT32; use powered USB hub if drive requires extra power.

Reset: Press RESET button on faceplate with small pin.

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