Kenwood KDC MP635 Manual

The Kenwood KDC MP635 is a high-performance car stereo system featuring CD/MP3/WMA playback, built-in amplifier, detachable faceplate security, 52W x 4 maximum power output, MOSFET power IC, 3 preamp outputs, CD changer control, digital signal processor, and advanced audio controls. 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 detachable faceplate, Remote Control, Wiring harness, Mounting sleeve, User manual.

Feature	Description
CD/MP3/WMA Playback	Supports audio CDs, MP3 and WMA files
Power Output	52W x 4 maximum power (MOSFET)
Preamp Outputs	3 preamp outputs for external amplifiers
Detachable Faceplate	Security feature to prevent theft
Digital Signal Processor	Advanced audio processing and equalization
CD Changer Control	Compatible with Kenwood CD changers
Illumination	Adjustable display and button illumination
Audio Controls	Bass, treble, balance, fader controls
Radio Tuner	AM/FM tuner with preset stations
Remote Control	Full-function wireless remote included

Installation

Unpack and inspect all components. Ensure vehicle is turned off during installation.

Disconnect negative battery terminal for safety.
Remove existing stereo from dashboard using removal tools.
Connect wiring harness following color-coded wiring diagram.
Slide mounting sleeve into dashboard opening.
Connect antenna cable and secure unit in mounting sleeve.
Reconnect battery and test all functions.

WARNING! Always disconnect battery before installation to prevent electrical shorts. Ensure proper grounding.

First-Time Setup

After installation, configure initial settings for optimal performance.

Power on unit and set clock: Press and hold CLOCK button to set time.
Program radio presets: Tune to desired stations and press and hold preset buttons.
Adjust audio settings: Set bass, treble, balance, and fader to preference.
Configure security: Set security code and practice faceplate removal.
Test all functions: Verify CD playback, radio reception, and remote control.

CAUTION! Record security code in safe place. Unit will be inoperable without correct code.

Specifications

Power Output: 52W x 4 (Max), 22W x 4 (RMS)
Supported Media: CD, CD-R, CD-RW, MP3, WMA
Tuner Sensitivity: FM: 10.3 dBf, AM: 25 µV
Preamp Outputs: 3 pairs (Front, Rear, Subwoofer)
Signal-to-Noise Ratio: 105 dB (CD)
Frequency Response: 5-20,000 Hz
Power Requirement: 12V DC, negative ground
Dimensions: 7" x 2" x 6" (W x H x D)
Weight: 3.1 lbs

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BAND button, AUDIO controls, EJECT button.

Remote Control: POWER, Numeric buttons, SOURCE, BAND, VOLUME, MUTE, PRESET, AUDIO, DSP.

Audio Controls: BASS, TREBLE, BALANCE, FADER, LOUDNESS. DSP Settings: EQ presets (POP, ROCK, JAZZ, CLASSICAL, FLAT). Radio: Manual/auto seek, 18 FM/6 AM presets. Security: Code entry, faceplate removal indicator.

Connecting Devices

External amplifiers: Use preamp outputs (Front, Rear, Sub). CD changers: Connect compatible Kenwood CD changer.

Turn off vehicle and unit before connecting devices.
Use high-quality RCA cables for preamp connections.
Connect CD changer using dedicated control cable.
Ensure all connections are secure and insulated.
Test each connected device individually.

Tip: Use twisted-pair RCA cables to minimize noise interference.

Playing Media

Supports audio CDs, MP3 CDs, WMA CDs.

Insert disc: Press EJECT, load media label-side up.
Play: Unit automatically begins playback; use SOURCE to select CD mode.
Track selection: Use numeric buttons or track up/down buttons.
Fast forward/rewind: Press and hold FF/REW buttons.
Repeat: Press RPT button for track or disc repeat.
Random: Press RDM button for random track playback.
MP3 navigation: Use folder buttons to navigate directory structure.
Eject: Press EJECT button to remove disc.

WARNING! Do not use damaged or improperly burned discs. Keep discs clean and free of scratches.

Security Features

Detachable Faceplate: Remove when parking to deter theft. Security Code: 4-digit code required if power is disconnected. Theft Indicator: Flashing display when security is active.

Care & Maintenance

Clean faceplate with soft, dry cloth only. Do not use chemicals or abrasive cleaners. Store faceplate in protective case when removed.

CAUTION! Never use solvents or spray cleaners. Avoid extreme temperatures and moisture.

Regulatory Information

FCC Part 15: Class B digital device compliant. CE marked for European compliance. Copyright © 2006 Kenwood Corporation. All trademarks property of their respective owners. For technical support, visit www.kenwood.com or contact 1-800-536-9663.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit won't power on	Power connection/security	Check fuse and wiring; enter security code if required.
No sound from speakers	Speaker wiring/audio settings	Verify speaker connections; check mute and volume settings.
CD won't play	Disc format/damage	Ensure disc is compatible format; clean disc surface.
Poor radio reception	Antenna connection	Check antenna connection; ensure proper grounding.
Remote control not working	Batteries/obstructions	Replace batteries; ensure clear line of sight to unit.
Display flashing "CODE"	Security activation	Enter 4-digit security code to restore operation.

Reset: Disconnect battery for 10 minutes to reset unit (security code required after).

Service: 1-800-536-9663; www.kenwood.com