Panasonic RX-C52 - User Manual

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Overview

Function Description
Important Technical Specifications (derived from usage instructions)
Usage Features
Maintenance Features

The Panasonic RX-C52 is a portable stereo component system designed for radio, cassette playback, and recording. It offers a range of features for versatile audio enjoyment and recording capabilities.

Function Description:

The RX-C52 serves as a multi-functional audio device, combining a radio, a cassette recorder, and a speaker system. It can be used as a one-piece portable unit or as a three-piece separate component system by detaching the speakers.

Radio: The unit includes an AM/FM radio with an Automatic Frequency Control (AFC) circuit for stable tuning. It supports both FM stereo and mono reception. The telescopic antenna is used for FM reception, while a sensitive ferrite core antenna provides AM reception. An external FM antenna can also be connected for improved reception.
Cassette Playback: It features a full auto-stop mechanism that automatically stops tape travel at the end of playback, recording, fast forward, or rewind. The unit supports various tape types (Metal, High bias chromium, Low bias ferric oxide) via a tape selector. It also incorporates Dolby Noise Reduction to reduce tape noise during playback of compatible recordings. The rewind auto play function allows for automatic rewinding to the beginning of a tape for playback.
Recording: The RX-C52 offers multiple recording options:
- Radio Broadcasts: Record directly from the AM/FM radio.
- External Microphones: Connect optional external microphones for recording.
- External Equipment: Record from external sources connected via the Microphone Jacks or Phono/Line Input Jacks.
- Automatic Level Control (ALC): The recording level is automatically adjusted.
- Variable-Sound Monitor System: Allows adjustment of monitor sound without affecting the recording level.
- Beat Proof Switch: Reduces unwanted "beat" signals (whistle) when recording AM broadcasts.
- Auto Rec Mute: Creates non-recorded intervals on the tape, useful for separating tracks.
- Auto-Reverse Recording: Supports recording on both sides of a tape automatically.
Mixing Playback: This feature allows combining a voice or instrumental sound (via a microphone) with sound from a tape, radio broadcast, or external equipment.
Timer Functions:
- Timer Playback: Automatically starts playback at a preset time.
- Timer Recording: Automatically starts recording radio broadcasts at a preset time.
Sleep Function: The Power Switch can act as a "sleep timer," automatically turning off the power when a cassette tape of a desired length reaches its end during playback or recording.
One Program Repeat: Automatically rewinds and continuously repeats playback of a selected program on a cassette tape.

Important Technical Specifications (derived from usage instructions):

Power Source:
- AC Power: Selectable voltage ranges (110-115 V, 115-127 V, 200-220 V, 230-250 V).
- Batteries: 8 "D" size (UM-1 or equivalent) batteries.
- Car Battery: Operates with a Panasonic car adaptor (RP-952) connected to a 13.2 V DC input jack.
Speaker System:
- Type: Two-way speakers (Tweeter and Woofer).
- Impedance: 3-8Ω (for external speakers).
- Mounting: Can be wall-mounted using built-in speaker wall mounts, supporting up to 44 pounds (20 kg) load.
Cassette Tapes:
- Compatibility: Metal, High bias chromium (or equivalent), Low bias ferric oxide tapes.
- C-120 Tapes: Use with extreme care due to potential for breakage, stretching, or twisting.
- Recording Prevention Tabs: Cassettes have tabs to prevent accidental erasing.
Noise Reduction: Dolby Noise Reduction system.
External Connections:
- Microphone Jacks (MIC): For external microphones (e.g., WM-2298, RP-V220).
- Headphone Jack (PHONES): For private listening.
- DC Input Jack (DC IN 13.2 V): For car adaptor.
- AC Socket (AC IN): For AC power cord.
- Line Output Jacks (LINE OUT): For connecting to other audio equipment.
- Phono/Line Input Jacks (PHONO/LINE IN): For connecting external audio sources like record players or stereo amplifiers.
- Phono Ground Terminal: For grounding phono equipment.
- FM External Antenna Terminals (FM ANT): For external FM antenna.

Usage Features:

Portable Design: Integrated handle for easy carrying.
Modular Speaker System: Speakers can be attached for a compact unit or detached for a wider stereo separation.
Controls: Includes Volume, Balance, Bass, Treble controls for sound adjustment.
Indicators: Level Meter, Reverse/Forward Indicators, Pause Indicator, Recording Indicator, Dolby Noise Reduction Indicator, FM Stereo Indicator, Power/Battery Check Indicator.
Tape Counter: Helps locate specific portions of the tape.
Record Prevention Tabs: A safety feature to prevent accidental erasure of valuable recordings.
Auto-Reverse System: Provides flexible playback and recording options (one-side, two-side, continuous repeat).
Monitoring: Allows listening to the sound through speakers or headphones during recording.

Maintenance Features:

Head Assembly Cleaning: Regular cleaning of the record/playback heads, erase head, capstans, and pressure rollers is recommended (every 10 hours of use) using a cotton swab dampened with alcohol.
Cassette Lid Removal: The cassette lid can be easily removed to facilitate cleaning of the head assembly.
General Cleaning: The plastic cabinet should be cleaned with a solution of soap and water, avoiding benzine or thinner.
Battery Replacement: Instructions for replacing batteries when they are weak or depleted.
Power Cord Disconnection: Recommended when the unit will not be used for a long period.
Professional Servicing: For repairs beyond basic adjustments, consult a qualified technician or authorized service center.