Audiovox AquaTronics MS-220 - User Manual

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R

Owner’s Manual

AM/FM STEREO RADIO

WITH AUTO STOP CASSETTE PLAYER

Designed Specifically for the

Marine and RV Environment

MS-220

Table of Contents

Questions and Answers

T
tammy00Jul 30, 2025
How to troubleshoot no power on Audiovox AquaTronics MS-220 Marine Audio?
- J
  Joshua HarrisJul 30, 2025
  If your Audiovox Marine Audio unit has no power, here are a few things to check: 1. **Check the Circuit Fuse:** Verify the circuit fuse at the power source. 2. **Check the In-line Fuse:** Look for an in-line fuse on the power lead and make sure it's intact. 3. **Check the Power Lead:** Ensure the power lead is properly connected. 4. **Check the Ground Connection:** Make sure the ground connection is secure.
F
fernandosandersAug 12, 2025
What to do if my Audiovox AquaTronics MS-220 has power but no sound?
- N
  Nicholas McdonaldAug 12, 2025
  If your Audiovox Marine Audio unit shows power but you're not getting any sound, or the sound is very distorted, here's what to check: * **Memory Lead Power:** For electronically tuned units, ensure the memory lead is getting 12VDC by checking the circuit fuse at the source and the in-line memory lead fuse. * **Speaker Shorts:** Look for any speaker leads that might be shorting to ground. * **Speaker Wiring:** Verify that the speakers are wired correctly, paying attention to the color code (usually found on a sticker on the radio).

Summary

Owners Manual

AquaTronics MS-220 Product Overview

Introduction to the AquaTronics MS-220 AM/FM stereo cassette player designed for marine and RV environments.

Faceplate Controls Diagram

MS-220 Control Identification

Diagram illustrating and identifying all controls on the MS-220 front panel.

Control Descriptions

Front Panel Controls Functionality

Detailed explanations of power, eject, tape door, tuning, volume, fader, AM/FM, LO/DX, CD IN jack, and tone button operations.

Installation and Wiring

MS-220 Wiring Diagram

Visual guide for connecting speakers and power supply to the MS-220 unit.

Specifications and Maintenance

AM Antenna Trimmer Adjustment

Procedure for adjusting the AM antenna trimmer for optimal reception.

Technical Specifications

Key technical details including size, voltage, power output, tuning range, and sensitivity.

Care and Maintenance Guidelines

Instructions for tape care, head cleaning, and de-magnetizing the unit.

Troubleshooting Guide

Power and Audio Issues

Solutions for common problems like no power, distorted audio, and speaker output issues.

Reception and Sound Quality Problems

Addresses single-channel audio, popping sounds, and poor AM reception.

Application Notes

AM;FM Reception and Antenna Setup

Guidance on optimizing AM/FM reception, antenna types, and adapter usage.

Antenna Cable and Ground Plane Effects

Explanation of how antenna cable length and ground planes affect reception performance.

DC Power Sources and Voltage Requirements

Discussion on 12V DC power sources, voltage variations, and operation requirements.

Noise and Interference Management

Strategies for managing noise from ignition systems and AC ripple from converters.

Accessory List

Available Accessories and Pricing

List of optional accessories with part numbers and prices for the MS-220.

Audiovox AquaTronics MS-220 Specifications

General

Brand	Audiovox
Model	AquaTronics MS-220
Category	Marine Audio
Language	English

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