Sony MEXBT2900 Car Stereo Manual

The Sony MEXBT2900 is a single-DIN digital media receiver featuring Bluetooth connectivity for hands-free calling and wireless audio streaming, USB input for iPod/iPhone and USB storage devices, AM/FM tuner with 18 FM/6 AM presets, front auxiliary input, CD playback (CD-R/RW, MP3, WMA), 52W x 4 high-power output, customizable illumination, and a detachable faceplate for security. 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 Features 9. Care & Cleaning 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 input, Microphone input for hands-free calling.

Feature	Description
Bluetooth	Wireless audio streaming & hands-free phone calls
USB Port	For iPod/iPhone, USB flash drives, and charging
CD Player	Plays CD, CD-R/RW, MP3, WMA discs
AM/FM Tuner	18 FM and 6 AM station presets
AUX Input	3.5mm front panel input for external audio devices
Power Output	52W x 4 channels (max)
Detachable Faceplate	Security feature to prevent theft
Custom Illumination	Adjustable display color to match vehicle interior
Remote Control	Included for convenient operation
EQ Settings	Built-in equalizer presets (Rock, Pop, Jazz, etc.)

Installation

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

Connect wiring harness: Match wire colors (Red to ignition, Yellow to battery constant, Black to ground).
Connect speakers: Attach speaker wires to corresponding outputs (Front/Rear, Left/Right).
Connect antenna plug to the antenna input on the rear of the unit.
Secure the unit into the vehicle's DIN slot using the supplied mounting sleeve and brackets.
Reconnect vehicle battery, then test the unit before final reassembly.

WARNING! Disconnect the negative battery terminal before installation to prevent short circuits or electrical damage.

First-Time Setup

Power on the stereo; follow initial setup prompts.

Set the clock: Press SOURCE to turn on, enter the menu to set time.
Pair Bluetooth: Enable Bluetooth on your phone, search for "MEX-BT2900" and enter PIN '0000' if prompted.
Program radio presets: Tune to desired station, press and hold a preset button (1-6) to store.
Adjust audio settings: Use the AUDIO or MENU button to set bass, treble, fader, and balance.
Set illumination color: In the display settings menu, select a color or set to auto.

CAUTION! Perform setup only when the vehicle is parked in a safe location.

Specifications

Chassis Size: Single DIN (50 x 178 mm).
Power Output: 52 Watts x 4 channels (Max).
Audio Sources: Bluetooth, USB, CD, AM/FM Radio, AUX.
Supported Formats: CD-DA, CD-R/RW, MP3, WMA, AAC (via USB/Bluetooth).
Bluetooth Profiles: A2DP (Audio), AVRCP (Remote Control), HFP (Hands-Free).
Terminals: Pre-out (for external amp), Antenna input, USB, AUX, Microphone.
Power Requirements:12V DC, Negative Ground.
Operating Temp: 32°F to 122°F (0°C to 50°C).

Controls and Settings

Access menus via the rotary knob or MENU button. Front Panel: POWER/VOLUME knob, SOURCE, EJECT, AUDIO, PHONE, DISP.

Remote: POWER, Volume Up/Down, SOURCE, MUTE, Track Up/Down, Numeric Presets.

Audio Settings: Bass, Treble, Balance, Fader, Loudness, EQ Presets. Radio: Manual/Auto tuning, Preset memory. Bluetooth: Pairing, Phonebook access, Call history. Display: Dimmer, Illumination color (Red/Blue/Green/White/Auto). System: Clock, Beep tone, Reset to factory defaults.

Connecting Devices

USB: Connect iPod/iPhone or USB drive to front port. AUX: Use 3.5mm cable for external players. Bluetooth: Pair mobile phone for audio/calls.

Turn off the unit before connecting wired devices.
For USB, ensure the device is formatted in FAT32 for best compatibility.
Select the correct source (USB, BT AUDIO, AUX) using the SOURCE button.

Tip: Use the supplied external microphone and place it near the driver for optimal hands-free call quality.

Playing Media

Supports CDs, USB media, Bluetooth audio, and AUX input.

Insert CD: Press EJECT, load disc label-side up.
Play USB: Connect device, press SOURCE to select USB mode. Use folder/track navigation.
Bluetooth Audio: Pair phone, select BT AUDIO source. Control playback from unit or phone.
Skip Tracks: Use the |<< and >>| buttons or remote control.
Repeat/Random: Press the RPT or RDM button during playback.
Scan: Press and hold |<< or >>| to scan through tracks quickly.

WARNING! Do not insert damaged or irregularly shaped CDs/USB drives. Do not use while driving if it distracts you.

Bluetooth Features

Hands-Free Calling: Answer/end calls with PHONE button; access phonebook via menu. Audio Streaming: Stream music from compatible devices. Voice Dial: Supports Siri Eyes Free (iPhone) or Google Assistant.

Care & Cleaning

Detach faceplate before cleaning. Use a soft, dry cloth. For stubborn marks, dampen cloth slightly with water. Do not use solvents.

CAUTION! Never use abrasive cleaners or spray liquids directly onto the unit. Keep the faceplate away from extreme heat or direct sunlight.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for vehicular use. This device complies with Industry Canada licence-exempt RSS standard(s). Bluetooth® is a registered trademark of Bluetooth SIG, Inc. Sony and the Sony logo are trademarks of Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit does not power on	Power/Battery connection	Check fuse; verify Yellow (B+) and Red (ACC) wires are properly connected to 12V.
No sound from speakers	Speaker wiring/Settings	Check speaker wire connections; ensure fader/balance is not set to extreme; check mute.
Bluetooth not connecting	Pairing mode/Interference	Enter pairing mode (press SOURCE until BT appears, then press PHONE); delete old pairing from phone and retry.
USB device not recognized	Format/Power	Reformat device to FAT32; try a different USB cable; ensure device is not drawing too much power.
CD will not eject	Mechanical issue/Power	Use manual eject hole (insert a paperclip); check if unit is in protect mode (reset by disconnecting power).
Poor radio reception	Antenna connection	Ensure antenna plug is fully inserted; check antenna for damage.

Reset: Press and hold the POWER button for more than 10 seconds to reset the microprocessor.

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