Kenwood KR-A5040 Manual

The Kenwood KR-A5040 is a high-performance stereo receiver featuring 50 watts per channel RMS power output, AM/FM tuner with 30 station presets, phono input for turntables, multiple audio inputs, tone controls, loudness compensation, and speaker selector. 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. Tuner Operation 8. Audio Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with AM/FM tuner, Remote Control, Speaker terminals, Audio inputs, Phono input, Headphone jack.

Feature	Description
Power Output	50 watts per channel RMS (8 ohms)
Tuner Section	AM/FM with 30 station presets
Phono Input	For turntable connection (MM cartridge)
Audio Inputs	CD, Tape, Aux, Video
Speaker Outputs	A/B speaker selector
Headphone Jack	For private listening
Tone Controls	Bass, Treble, Loudness
Remote Control	Full function remote included
Power Requirements	120V AC, 60Hz
Dimensions	17-1/8" W × 5-1/4" H × 13-3/8" D

Installation

Unpack and inspect contents. Place on stable, level surface with adequate ventilation.

Connect speakers: Use speaker wire to connect to A/B speaker terminals.
Connect audio sources: Use appropriate inputs (Phono, CD, Tape, Aux, Video).
Connect antenna: AM loop antenna and FM wire antenna included.
Plug into AC power outlet.

WARNING! Ensure proper ventilation; do not block ventilation openings. Use correct speaker impedance.

First-Time Setup

Power on receiver; follow initial setup procedure.

Set speaker configuration: Select A/B speakers using front panel switch.
Tune stations: Use auto-scan to preset AM/FM stations.
Set tone controls: Adjust bass, treble to preference.
Connect audio sources: Select appropriate input for each device.

CAUTION! Ensure all connections are secure before powering on.

Specifications

Power Output: 50W + 50W (RMS, 8 ohms)
Total Harmonic Distortion: 0.08%
Frequency Response: 10Hz - 50kHz
Input Sensitivity: Phono: 2.5mV, CD/Aux: 150mV
Signal-to-Noise Ratio: Phono: 76dB, CD/Aux: 90dB
Tuner Section: FM/AM with 30 presets
Inputs: Phono, CD, Tape, Aux, Video
Outputs: Speakers A/B, Headphone, Tape Rec
Power Consumption: 180W
Dimensions: 435 × 133 × 340 mm (W×H×D)

Controls and Settings

Front Panel: POWER, VOLUME, INPUT SELECTOR, BASS, TREBLE, LOUDNESS, SPEAKER SELECTOR.

Remote: POWER, VOLUME, MUTE, INPUT SELECT, TUNER PRESETS, TONE CONTROLS.

Tone Controls: Bass (±10dB at 100Hz), Treble (±10dB at 10kHz). Loudness: Compensation for low-volume listening. Input Selection: Phono, CD, Tape, Aux, Video. Speaker Selection: A/B speakers on/off.

Connecting Devices

Audio Sources: Phono for turntables, CD for CD players, Tape for cassette decks, Aux for other devices.

Turn off receiver before connecting devices.
Match cables to correct inputs (RCA connectors).
Connect turntable to Phono input only.
Select input via front panel or remote control.

Tip: Use quality cables and keep audio cables away from power cords.

Tuner Operation

AM/FM tuner with 30 station presets.

Select tuner input: Press TUNER on front panel or remote.
Tune stations: Use manual tuning or auto-scan.
Store presets: Tune to station, press and hold preset button.
Recall presets: Press numbered preset buttons.
FM stereo: Auto-switches to stereo when strong signal detected.

WARNING! Ensure proper antenna connection for best reception.

Audio Features

Tone Controls: Adjust bass and treble to preference. Loudness: Enhances bass and treble at low volumes. Speaker Selection: Choose A, B, or A+B speakers. Headphone Output: For private listening.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth only; avoid liquids. Keep unit clean and dust-free.

CAUTION! Do not use chemical cleaners; keep away from moisture and heat sources.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power cord connection; try different outlet.
No sound	Speaker connections/volume	Check speaker wires; ensure volume not muted.
Poor FM reception	Antenna placement	Reposition FM antenna; ensure proper connection.
Distorted sound	Input level/speakers	Reduce volume; check speaker impedance.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear path to sensor.

Reset: Unplug unit for 5 minutes to reset.

Service: Contact authorized Kenwood service center for repairs.