Marantz PMD 502 Manual

The Marantz PMD 502 is a professional portable cassette recorder designed for field recording, interviews, and dictation applications. Featuring high-quality recording capabilities, built-in condenser microphone, AC/DC operation, cue and review functions, automatic recording level control, and durable construction. Below are key sections for operation, features, specifications, maintenance, and troubleshooting.

Features at a Glance

Key components: Built-in condenser microphone, Tape counter, Cue/Review function, Automatic recording level control, AC/DC operation, Headphone output, External microphone input.

Feature	Description
Built-in microphone	High-quality condenser microphone for general recording
Tape counter	Measures tape position for easy navigation
Cue/Review function	Quickly locate specific sections of recording
Automatic recording level	Maintains consistent recording volume automatically
Manual recording level	User-adjustable recording level control
Headphone output	3.5mm jack for private monitoring
External mic input	For connecting external microphones
AC/DC operation	Powered by AC adapter or batteries
Record lock	Prevents accidental recording
Battery indicator	Shows remaining battery power

Installation & Setup

Unpack and inspect contents. Prepare for first use.

1. Insert batteries: Open battery compartment, install 4 AA batteries observing polarity.
2. Load cassette: Press EJECT, insert cassette properly, close compartment.
3. Connect power: Use AC adapter for extended use or battery operation.
4. Connect headphones: Plug into headphone jack for monitoring.

WARNING! Use only recommended battery types. Do not mix old and new batteries.

Basic Operation

Power on unit; familiarize with basic controls.

1. Playback: Press PLAY button to begin tape playback.
2. Recording: Press RECORD + PLAY simultaneously to start recording.
3. Stop: Press STOP to halt playback or recording.
4. Fast forward/rewind: Use FF and REW buttons for tape navigation.
5. Cue/Review: Hold PLAY while pressing FF or REW for precise location.

CAUTION! Avoid exposing unit to extreme temperatures or moisture.

Specifications

• Type: Portable Cassette Recorder
• Frequency Response: 50Hz - 12kHz
• Signal-to-Noise Ratio: 48dB
• Wow and Flutter: 0.25%
• Inputs: Built-in mic, External mic jack
• Outputs: Headphone jack, Line output
• Power Source: 6V DC (4 AA batteries) or AC adapter
• Battery Life: Approx. 8 hours with alkaline batteries
• Dimensions: Standard portable recorder size
• Weight: Lightweight portable design

Controls and Functions

Front Panel: POWER, EJECT, PLAY, STOP, RECORD, FF, REW, PAUSE, VOLUME control.

Additional Features: Tape counter with reset, Cue/Review function, Record lock switch, Battery indicator, Built-in microphone, Headphone volume control.

Recording: Automatic level control or manual adjustment. Playback: Volume control, tone adjustment. Navigation: Tape counter for position reference, Cue/Review for quick location.

Recording Techniques

Optimal recording practices for best results.

1. Microphone placement: Position 6-12 inches from sound source.
2. Level setting: Use automatic control or set manually to avoid distortion.
3. Monitor recording: Use headphones to check audio quality during recording.
4. Environment: Record in quiet locations to minimize background noise.
5. Tape quality: Use high-quality cassette tapes for better performance.

Tip: Test recording levels before important sessions.

Playback Features

Advanced playback functions for efficient tape navigation.

1. Standard playback: Press PLAY for normal speed playback.
2. Cue function: Hold PLAY + FF to quickly locate recording start points.
3. Review function: Hold PLAY + REW to review previous sections.
4. Tape counter: Use counter to mark important sections.
5. Headphone monitoring: Adjust volume for comfortable listening.
6. Pause function: Use PAUSE for temporary stops during playback.

WARNING! Do not leave tapes in unit when not in use for extended periods.

Maintenance & Care

Regular maintenance for optimal performance and longevity.

1. Head cleaning: Clean tape heads regularly with approved cleaning cassette.
2. Exterior cleaning: Wipe with soft, dry cloth only.
3. Battery care: Remove batteries when not in use for extended periods.
4. Storage: Store in cool, dry place away from direct sunlight.
5. Transport: Use carrying case when moving unit.

CAUTION! Never use solvents or abrasive cleaners on unit surfaces.

Power Options

Multiple power sources for flexible operation.

• Battery Operation: 4 AA batteries (alkaline recommended)
• AC Power: Use with specified AC adapter only
• Battery Indicator: Shows remaining battery capacity
• Power Conservation: Auto power-off features

WARNING! Use only manufacturer-approved power accessories.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © Marantz; all rights reserved. For technical support and service, contact authorized Marantz service centers. Manufacturer: Marantz America, Inc. This device complies with part 15 of the FCC Rules.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries/power connection	Replace batteries; check AC adapter connection.
Poor recording quality	Dirty heads/weak batteries	Clean tape heads; replace batteries.
Tape not moving	Mechanical issue/belt problem	Check for obstructions; service required.
Distorted sound	Recording level too high	Reduce recording level; use automatic control.
Weak playback	Head alignment/worn heads	Professional service required for head alignment.

Service: Contact authorized Marantz service center for repairs.

Support: Refer to manufacturer's website for technical assistance.