marantz receiver 3800 manual

The Marantz Receiver 3800 is a high-performance stereo receiver featuring 80 watts per channel, Dolby Surround processing, multiple audio inputs, phono input for turntables, AM/FM tuner with 40 station presets, tone controls, loudness compensation, and remote control operation. 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 Settings 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-power amplifier section, AM/FM tuner, Phono input, Multiple audio inputs, Remote control, Speaker terminals.

Feature	Description
Power Output	80 watts per channel (8 ohms)
Tuner Section	AM/FM with 40 station presets
Phono Input	MM cartridge compatible
Audio Inputs	CD, Tape, Aux, Video
Speaker Terminals	A/B speaker selection
Dolby Surround	Pro Logic decoding
Remote Control	Full function operation
Tone Controls	Bass, Treble, Loudness
Headphone Jack	1/4" stereo headphone output
Power Switch	Main power on/off

Installation

Unpack and inspect contents. Place on stable, well-ventilated surface.

Connect speakers: Use speaker wire to connect to A or B terminals, observing polarity.
Connect audio sources: Use appropriate cables for CD player, tape deck, turntable, etc.
Connect antenna: Attach FM antenna to 75-ohm terminal, AM loop antenna to AM terminals.
Plug into AC power outlet.

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

First-Time Setup

Power on receiver; initialize system settings.

Set speaker configuration: Choose A, B, or A+B speaker output.
Program FM stations: Use auto-scan or manual tuning to store favorite stations.
Adjust tone controls: Set bass, treble, and loudness to preference.
Configure surround sound: Set Dolby Pro Logic mode for movie content.

CAUTION! Ensure all connections are secure before powering on.

Specifications

Power Output: 80W + 80W (8 ohms, 20Hz-20kHz)
Total Harmonic Distortion: 0.02%
Frequency Response: 10Hz-100kHz (+1/-3dB)
Input Sensitivity: Phono: 2.5mV, Line: 150mV
Signal-to-Noise Ratio: Phono: 80dB, Line: 100dB
Tuner Section: FM stereo, AM reception
Preset Stations: 40 (20 FM, 20 AM)
Power Requirements: 120V AC, 60Hz, 350W
Dimensions: 17-1/4" W × 5-3/4" H × 14-3/4" D
Weight: 22 lbs

Controls and Settings

Front Panel: Power switch, Input selector, Volume control, Tone controls, Loudness switch, Speaker selector, Headphone jack.

Remote: Power, Volume, Mute, Input selection, Tuner controls, Tone adjustments.

Input Selection: Phono, CD, Tape, Video, Aux. Tone Controls: Bass ±10dB, Treble ±10dB. Speaker Selection: A, B, A+B. Surround Modes: Dolby Pro Logic, Stereo, Mono.

Connecting Devices

Audio Sources: Phono for turntables, CD for CD players, Tape for recorders, Video for TV audio.

Turn off receiver before connecting devices.
Use quality RCA cables for audio connections.
Connect turntable to Phono input only.
Select appropriate input source on front panel.

Tip: Keep audio cables away from power cords to reduce interference.

Tuner Operation

AM/FM tuner with manual and automatic tuning.

Select Tuner input on front panel.
Choose AM or FM band.
Tune stations manually with tuning knob or use auto-scan.
Store stations: Tune to desired station, press and hold preset button.
Recall stations: Press numbered preset buttons.
Adjust FM mode: Stereo or Mono for weak signals.

NOTE: For best FM reception, extend and position antenna properly.

Audio Settings

Tone Controls: Adjust bass and treble to suit listening environment. Loudness: Compensates for low-volume listening. Balance: Adjust left/right channel balance. Surround Modes: Dolby Pro Logic for movie content, Stereo for music.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Clean controls with contact cleaner if needed. Keep unit dry and well-ventilated.

CAUTION! Do not use liquid cleaners; avoid moisture near electrical components.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from speakers	Speaker wires/input selection	Check speaker connections; verify input selection; ensure volume up.
Poor FM reception	Antenna placement	Reposition FM antenna; ensure proper connection.
Hum or noise	Grounding/cables	Check ground connections; separate audio and power cables.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear path to IR sensor.
Overheating	Ventilation	Ensure adequate ventilation; check for blocked vents.

Reset: Disconnect power for 30 seconds to reset microprocessor.

Service: Contact authorized Marantz service center for repairs.