Kenwood KDC MP7028 Manual

The Kenwood KDC MP7028 is a high-performance car stereo receiver featuring CD/MP3/WMA playback, built-in amplifier (50W x 4 max), detachable faceplate security, AM/FM tuner with 18 presets, auxiliary input, CD changer control, bass/treble/midrange controls, loudness function, and advanced audio settings. Below are key sections for features, installation, operation, settings, and troubleshooting.

1. Features at a Glance 2. Installation 3. Basic Operation 4. Specifications 5. Controls and Functions 6. Audio Settings 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, wiring harness, mounting sleeve, remote control, user manual.

Feature	Description
CD/MP3/WMA Playback	Supports CD, MP3, and WMA formats
AM/FM Tuner	18 station presets (6 FM, 6 AM, 6 FM2)
Power Output	50W x 4 maximum power
Detachable Faceplate	Security feature to prevent theft
Auxiliary Input	3.5mm jack for external devices
Bass/Treble/Midrange	3-band equalizer controls
Loudness Function	Enhances bass at low volumes
CD Changer Control	Compatible with Kenwood CD changers
Illumination	Adjustable display brightness
Remote Control	Full function remote included

Installation

Professional installation recommended. Ensure vehicle is parked with ignition off.

Disconnect negative battery terminal before beginning installation.
Remove factory radio and mounting brackets if applicable.
Connect wiring harness following color-coded wiring diagram.
Slide unit into dashboard and secure with mounting sleeve.
Reconnect battery and test all functions.

WARNING! Incorrect wiring may damage unit or vehicle electrical system. Always use proper fuse protection.

Basic Operation

Power on unit by pressing POWER button. Insert faceplate if detached.

Source selection: Press SOURCE to cycle through CD, Tuner, Aux.
Volume control: Turn VOLUME knob or use remote control.
CD operation: Insert disc with label facing up; unit auto-plays.
Tuner operation: Press BAND to select AM/FM; use SEEK/TUNE.
Preset stations: Store with PRESET button for 3 seconds.

CAUTION! Do not operate while driving if it distracts from road safety.

Specifications

Power Output: 50W x 4 max (22W x 4 RMS)
Frequency Response: 10Hz - 20,000Hz
Signal-to-Noise Ratio: 105dB (CD)
Preset Stations: 18 total (6FM/6AM/6FM2)
Supported Formats: CD, CD-R/RW, MP3, WMA
Dimensions: 7" W x 2" H x 6.5" D
Power Requirement: 12V DC negative ground
Illumination: Green/amber selectable

Controls and Functions

Front Panel: POWER, VOLUME, SOURCE, EJECT, BAND, MENU buttons.

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

Display: Shows current source, track info, time, audio settings. Buttons: SOURCE (cycle inputs), BAND (AM/FM selection), SEEK/TUNE (station search), PRESET (station memory), MENU (access settings).

Audio Settings

Access audio menu by pressing MENU button. Navigate with arrow buttons.

Bass: -7 to +7 adjustment
Treble: -7 to +7 adjustment
Midrange: -7 to +7 adjustment (if available)
Loudness: On/Off for bass enhancement
Balance: Left/Right speaker balance
Fader: Front/Rear speaker fader
EQ Presets: Flat, Rock, Pop, Jazz, Classical

Tip: Use loudness function for better sound at low volume levels.

Playing Media

Supports audio CDs, MP3 CDs, WMA files.

Insert disc: Press EJECT, load disc label up, press again to close.
Play/Pause: Press PLAY/PAUSE to start or pause playback.
Track selection: Use arrow buttons or numeric keys for direct access.
Fast forward/rewind: Press and hold arrow buttons.
Repeat: Press RPT for track repeat; RAND for shuffle play.
Folder navigation: For MP3 CDs, use folder buttons to navigate.
Display modes: Press DISP to cycle through track info displays.

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

Security Features

Detachable Faceplate: Remove when parked to deter theft. Security Code: 4-digit code can be set to disable unit if power is disconnected.

Care & Maintenance

Clean with soft, dry cloth only. Do not use chemicals or abrasives. Keep discs clean and free of scratches.

CAUTION! Do not expose to moisture or extreme temperatures. Remove faceplate in hot conditions.

Regulatory Information

FCC Part 15: Class B digital device compliant. This device complies with part 15 of FCC rules. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized Kenwood service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/ignition	Check power and ground connections; verify ignition wire
No sound	Speaker connections	Check speaker wires; verify fade/balance settings
CD won't play	Disc format/damage	Use supported formats; clean disc; check for scratches
Poor radio reception	Antenna connection	Ensure antenna fully connected; check antenna condition
Unit asks for code	Power interruption	Enter security code; contact dealer if code lost

Reset: Disconnect battery for 10 minutes to reset unit.

Service: Contact authorized Kenwood service center for repairs.