kenwood dpx 55md manual english

The Kenwood DPX-55MD is a digital media receiver featuring CD/MP3 playback, USB connectivity, AM/FM tuner with 18 presets, detachable faceplate security, 4-channel preamp outputs, high-voltage RCA outputs, and compatibility with 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. Security Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital media receiver, detachable faceplate, remote control, USB port, CD loading mechanism, AM/FM antenna inputs, preamp outputs.

Feature	Description
CD/MP3 Playback	Supports CD-DA, CD-R/RW, MP3 files
USB Connectivity	For USB flash drives and portable devices
AM/FM Tuner	18 station presets (12 FM, 6 AM)
Detachable Faceplate	Security feature to prevent theft
4-Channel Preamp Outputs	Front, rear, and subwoofer outputs
High-Voltage RCA Outputs	4V preamp level outputs
Source ATT	Source attenuator for volume adjustment
LOUDNESS	Enhances bass at low volume levels
BALANCE/FADER	Audio balance and fader controls
BASS/MID/TREBLE	3-band equalizer controls

Installation

Unpack and inspect contents. Ensure proper mounting in vehicle dashboard.

Disconnect vehicle battery: Remove negative terminal for safety.
Mount receiver: Use DIN sleeve and mounting kit for secure installation.
Connect wiring: Match wire colors (red-ignition, yellow-battery, black-ground).
Connect speakers: Ensure proper polarity and impedance matching.
Connect antennas: AM/FM antenna inputs for radio reception.

WARNING! Disconnect battery before installation to prevent electrical shorts.

First-Time Setup

Reconnect battery; power on unit; follow initial setup procedures.

Set clock: Press and hold CLOCK button, adjust time with tuning knob.
Program radio presets: Tune to desired stations, press and hold preset buttons.
Adjust audio settings: Use BASS, MID, TREBLE controls for preferred sound.
Set LOUDNESS: Enable for enhanced bass at low volumes if desired.
Configure security: Practice detaching and attaching faceplate.

CAUTION! Ensure all connections are secure before reconnecting battery.

Specifications

Power Output: 50W x 4 channels maximum
Frequency Response: 10Hz - 20kHz
Signal-to-Noise Ratio: 105dB (CD)
Preset Stations: 18 total (12 FM, 6 AM)
Supported Media: CD-DA, CD-R, CD-RW, MP3 CDs
USB Support: USB mass storage class devices
Preamp Outputs: 4V front, rear, subwoofer
Power Requirement: 12V DC negative ground
Dimensions: DIN size (178mm x 50mm)

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, BAND button, TUNE/FF-REW knob, EJECT button.

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

Audio Controls: BASS (-10 to +10), MID (-10 to +10), TREBLE (-10 to +10), BALANCE (L9 to R9), FADER (F9 to R9). Radio: Manual tuning, seek tuning, preset memory. CD: Repeat (1/ALL), random play, intro scan. System: Clock setting, display dimmer, button illumination.

Connecting Devices

USB: Front panel USB port for flash drives. Auxiliary: Optional AUX input adapter. Amplifiers: Use preamp outputs for external amplification.

Turn off unit before connecting devices.
USB devices: Insert USB flash drive before powering on.
External amps: Connect RCA cables to appropriate preamp outputs.
Aux input: Install optional AUX adapter for external audio sources.

Tip: Format USB drives as FAT32 for best compatibility.

Playing Media

Supports CDs, MP3 CDs, USB flash drives.

Insert media: Press EJECT, load CD or connect USB device.
Select source: Press SOURCE button to cycle through modes.
Playback control: Use PLAY/PAUSE, FF/REW, PREV/NEXT buttons.
Repeat/Random: Press RPT for repeat modes, RDM for random play.
Folder selection: Use TUNE knob to navigate USB folder structure.
Intro scan: Press SCAN to sample first 10 seconds of each track.
Display modes: Press DISP to cycle through track information.

WARNING! Do not use damaged CDs; avoid extreme temperatures.

Security Features

Detachable Faceplate: Remove when parking to deter theft. Security Code: Optional code setting to prevent unauthorized use.

Care & Maintenance

Clean with soft, dry cloth only. Avoid chemical cleaners. Store faceplate in protective case when detached.

CAUTION! Do not touch laser lens; keep liquids away from unit.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/connections	Check battery and ignition connections; verify fuse condition.
No sound	Speaker wiring	Verify speaker connections; check balance/fader settings.
CD won't play	Disc format/damage	Ensure compatible disc format; check for scratches or dirt.
USB not recognized	Format/compatibility	Reformat USB as FAT32; try different USB device.
Poor radio reception	Antenna connection	Check antenna connection; ensure proper grounding.

Reset: Disconnect battery for 1 minute to reset unit.

Service: Contact authorized Kenwood service centers; www.kenwood.com