Sony XE-90MKII Car Stereo Manual

The Sony XE-90MKII is a high-performance in-dash car stereo featuring AM/FM radio with 30 station presets, CD player with MP3/WMA playback, USB and AUX input ports, 4x50W MOSFET power output, detachable front panel with security code, customizable EQ with 7-band graphic equalizer, subwoofer output, wireless remote control, and LCD display with adjustable illumination. Compatible with 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 & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with CD slot, Detachable Front Panel, Remote Control, USB Port, AUX-IN jack, RCA Pre-amp Outputs, Antenna connector.

Feature	Description
AM/FM Tuner	30 station presets (18 FM, 12 AM)
CD Player	Plays CD, CD-R/RW, MP3, WMA formats
USB Port	For USB flash drives and iPod connectivity
AUX-IN Jack	3.5mm input for external audio devices
MOSFET Power	4 x 50W max output
Pre-amp Outputs	Front/Rear/Subwoofer RCA outputs
Detachable Face	Security panel with carrying case
EQ & Sound	7-band graphic equalizer, Bass Boost, Loudness
LCD Display	Multi-color illumination with dimmer control
Wireless Remote	Full function remote control included

Installation

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

Disconnect negative battery terminal: For safety during installation.
Remove existing stereo: Use DIN removal tools if applicable.
Connect wiring harness: Match colors (Red to ignition, Yellow to constant 12V, Black to ground).
Connect antenna: Plug antenna cable into rear port.
Connect speakers: Ensure proper polarity (+/-).
Mount unit: Slide into DIN slot and secure with mounting sleeve.
Reconnect battery and test.

WARNING! Incorrect wiring can cause damage or fire. Verify all connections before powering on.

First-Time Setup

Reconnect battery, turn ignition to ACC position.

Attach front panel: Slide into place until it clicks.
Set security code: Default is 0000; change via menu.
Program radio stations: Use AUTO SCAN or manual tune, then press and hold preset button.
Adjust sound settings: Access AUDIO menu for EQ, balance, fader.
Set display illumination: Match to vehicle dash lighting.

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

Specifications

Power Output: 50W x 4 (Max), 22W x 4 (RMS).
Tuner Sensitivity: FM 10.8 dBf, AM 30 µV.
Frequency Response: 10 Hz - 20,000 Hz.
Signal-to-Noise Ratio: >90 dB (CD).
Supported Media: CD, CD-R, CD-RW, MP3, WMA.
USB Support: FAT16/FAT32, up to 32GB.
Power Requirement: 12V DC, negative ground.
Dimensions: DIN size (178mm x 50mm).
Operating Temp: -20°C to +60°C.

Controls and Settings

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

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

Audio Settings: EQ (Pop, Rock, Jazz, Custom), Bass/Mid/Treble, Balance/Fader, Subwoofer Level, Loudness. Radio: Auto Store, Local/DX tuning. Setup: Security Code, Display Dimmer, Beep On/Off, Clock Set. CD/USB: Repeat (One/All/Folder), Random Play, Scan, Folder Select.

Connecting Devices

USB: Front port for flash drives. AUX: 3.5mm cable to external device. Pre-amp Outputs: RCA cables to amplifiers.

Ensure unit is off before connecting devices.
Insert USB drive directly into front port.
Connect AUX cable from device headphone jack to AUX-IN.
For amplifiers: Connect RCA cables from rear outputs to amp inputs.
Select source via SOURCE button (USB, AUX, CD, Tuner).

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

Playing Media

Supports CD, USB flash drives with MP3/WMA files.

Insert disc: Press EJECT, load CD label-side up.
USB playback: Insert USB drive, unit auto-detects and begins playback.
Play/Pause: Press PLAY/PAUSE button.
Skip tracks: Use SEEK ▲| or ▼| buttons.
Folder navigation (MP3): Press to change folders.
Repeat/Random: Press RPT or RDM during playback.
Scan: Press and hold SEEK to sample each track.
Display info: Press DISP to show track title, time, bit rate.

WARNING! Do not insert damaged discs or foreign objects. Avoid extreme temperatures.

Security Features

Detachable Front Panel: Remove when parked to deter theft. Security Code: 4-digit code (default 0000) required if panel is reattached or power is disconnected.

Care & Maintenance

Use soft, dry cloth for cleaning. For stubborn stains, dampen cloth with water only. Do not use solvents.

CAUTION! Never spray cleaners directly on unit. Keep liquids away from buttons and ports.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for vehicle use. Copyright © Sony Corporation. All trademarks are property of their respective owners. For support, visit www.sony.com/audio or contact Sony Customer Support at 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/ignition	Check fuse, ground, and ignition wire connection.
Security code prompt	Power loss/panel removed	Enter 4-digit security code (default 0000).
No sound from speakers	Speaker wires/settings	Check speaker connections and balance/fader settings.
USB not recognized	Format/capacity	Reformat to FAT32; ensure drive is under 32GB.
CD skips or won't play	Disc/dirty lens	Clean disc; use CD lens cleaner if problem persists.
Poor radio reception	Antenna connection	Ensure antenna cable is fully inserted and undamaged.

Reset: Disconnect battery for 5 minutes to reset unit (security code required upon restart).

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