Sherwood RX-4109 200W Stereo Receiver User Manual

Introduction

Thank you for choosing the Sherwood RX-4109 200W Stereo Receiver. This manual provides essential information for the proper setup, operation, and maintenance of your new audio component. Designed for high-quality stereo sound, the RX-4109 offers robust power and versatile connectivity for your home audio needs.

Please read this manual thoroughly before operating the unit to ensure safe and optimal performance. Keep this manual for future reference.

Setup

Unpacking and Placement

Carefully remove the receiver from its packaging. The unit weighs approximately 19.5 pounds (8.85 kg) and measures 17-3/8" W x 5" H x 13" D (44.13 cm W x 12.7 cm H x 33.02 cm D). Place the receiver on a stable, flat surface with adequate ventilation. Ensure there is sufficient airspace above and around the unit to prevent overheating.

Connecting Speakers

The RX-4109 features heavy-duty binding posts for reliable speaker connections. It supports two pairs of loudspeakers (A and B sets).

• Connect your main speakers to the "SPEAKERS A" terminals, ensuring correct polarity (+ to + and - to -).
• If using a second pair of speakers, connect them to the "SPEAKERS B" terminals.
• The receiver supports speakers with an impedance of 4-16 ohms for a single pair (A or B) or 8-16 ohms when both A and B speakers are used simultaneously.

Figure 1: Rear panel of the RX-4109, illustrating speaker binding posts and various input/output connections. Note the clear labeling for speaker A and B terminals, as well as the RCA inputs for different audio sources.

Connecting Audio Sources

The receiver provides five analog RCA inputs for various audio components:

• PHONO: For connecting a turntable. Ensure your turntable has a built-in pre-amp or use an external one if needed. Connect the turntable's ground wire to the receiver's GND terminal.
• CD: For connecting a CD player.
• TAPE: For connecting a tape deck or other recording device.
• AUX: For connecting general auxiliary audio devices.
• AM/FM Antenna: Connect the supplied AM loop antenna and FM wire antenna to their respective terminals for radio reception. For improved FM reception, an F-type coax connector is provided, allowing connection to a cable jack or external antenna.

Power Connection

Once all audio and speaker connections are made, plug the receiver's power cord into a standard AC 120V, 60Hz wall outlet.

Operating Instructions

Power On/Off

Press the ON/STANDBY button on the front panel to turn the receiver on or off. When off, the unit enters standby mode.

Input Selection

Use the input selector buttons (FM/AM, CD, TAPE, AUX, PHONO) on the front panel or the remote control to select your desired audio source.

Volume Control

Adjust the VOLUME knob on the front panel or use the volume up/down buttons on the remote control to set the listening level.

Speaker Selection

The SPEAKER A and SPEAKER B buttons on the front panel allow you to select which pair of speakers are active:

• Press SPEAKER A to activate speakers connected to the A terminals.
• Press SPEAKER B to activate speakers connected to the B terminals.
• Press both to activate both A and B speakers.
• When using headphones, press both buttons to switch off all speakers ("SPK OFF" will be displayed).

AM/FM Radio Operation

Select the FM/AM input. Use the TUNING/PRESET buttons to tune to radio stations. The large fluorescent display shows station information. The receiver features 30 presets for saving your favorite stations.

• Auto Tuning: Press and hold the tuning buttons to automatically scan for the next available station.
• Manual Tuning: Briefly press the tuning buttons to adjust the frequency step by step.
• Preset Storage: Tune to a station, then press the MEMORY button, followed by a preset number button to store the station.
• Preset Recall: Use the PRESET buttons to cycle through stored stations.

Tone and Balance Control

Adjust the TONE and BALANCE controls on the front panel to fine-tune the audio output to your preference. The TONE DIRECT button bypasses the tone control circuit for a pure audio signal.

Headphone Output

Connect headphones to the 1/4" headphone jack on the front panel for private listening. When headphones are connected, the speaker outputs are automatically muted.

Remote Control

The included 43-key remote control provides full functionality, allowing you to control volume, input selection, tuning, and other settings from a distance.

Figure 2: Front panel of the RX-4109, showing the main display, input selection buttons, tuning controls, volume knob, and headphone jack.

Maintenance

Cleaning

To clean the receiver, wipe the exterior surfaces with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish. Avoid spraying liquids directly onto the unit.

Ventilation

Proper ventilation is crucial for the longevity and performance of your receiver. Ensure that the ventilation openings on the top and sides of the unit are not blocked. Maintain a good deal of airspace above the receiver. Do not place other components directly on top of the receiver, as this can impede airflow and lead to overheating.

Troubleshooting

If you experience issues with your Sherwood RX-4109 receiver, please consult the following common troubleshooting steps before seeking professional service.

No Sound Output

• Ensure the receiver is powered on and not in standby mode.
• Verify that the correct input source (CD, PHONO, AUX, etc.) is selected.
• Check all speaker connections at both the receiver and the speakers for secure and correct polarity.
• Confirm that the SPEAKER A or SPEAKER B buttons are engaged and "SPK OFF" is not displayed.
• Ensure the volume level is turned up and not muted.
• If headphones are plugged in, unplug them to enable speaker output.

Poor AM/FM Reception

• Check that the AM loop antenna and FM wire antenna are properly connected.
• Adjust the position and orientation of the antennas for better signal reception.
• Consider connecting an external FM antenna to the F-type coax connector for improved reception, especially in areas with weak signals.
• Ensure no other electronic devices are causing interference nearby.

Unit Overheating

• Ensure adequate ventilation around the receiver. Do not block the top or side vents.
• Do not stack other components directly on top of the receiver.
• Verify that speaker impedance matches the receiver's specifications (4-16 ohms for single pair, 8-16 ohms for both pairs). Using speakers with too low impedance can cause the receiver to overheat.

Specifications

Warranty Information

The Sherwood RX-4109 Stereo Receiver comes with a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions. It is important to note that the warranty does not cover misuse of the product.

Retain your proof of purchase for warranty claims.

Customer Support

For further assistance, technical support, or service inquiries regarding your Sherwood RX-4109 receiver, please contact Sherwood customer support. Visit the official Sherwood website for contact details and additional resources.

You can also visit the Sherwood Store on Amazon for more product information.