LG LX-M145A/X/D - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

This document is the owner's manual for the LG Micro Hi-Fi System, models LX-M145A/X/D and LXS-M145. It provides comprehensive information on the device's operation, features, and maintenance.

Function Description:

The LG Micro Hi-Fi System is a compact audio system designed for playing CDs (including MP3 CD-R/RWs), listening to FM/AM radio, and playing cassette tapes. It also features an auxiliary input for connecting external audio devices. The system includes a remote control for convenient operation and various audio adjustment options.

Important Technical Specifications:

Power Supply: Refer to the back panel of the unit.
Power Consumption: 20W
Mass: 3kg
External Dimensions (WxHxD): 146 x 234 x 251mm
CD Section:
- Frequency Response: 40 - 18000 Hz
- Signal-to-noise ratio: 60 dB
- Dynamic range: 60 dB
FM Tuner Section:
- Tuning Range: 87.5 - 108.0 MHz or 65 - 74 MHz, 87.5 - 108.0 MHz
- Intermediate Frequency: 10.7 MHz
- Signal to Noise Ratio: 55/50 dB
- Frequency Response: 60 - 10000 Hz
AM (MW) Tuner Section:
- Tuning Range: 522 - 1611 kHz or 530 - 1610 kHz
- Intermediate Frequency: 450 kHz
- Signal to Noise Ratio: 35 dB
- Frequency Response: 100 - 1800 Hz
Amplifier Section:
- Output Power: 5W + 5W
- T.H.D: 0.5%
- Frequency Response: 60 - 20000 Hz
- Signal-to-noise ratio: 60 dB
Tape Section:
- Tape Speed: 4.75cm/sec
- Wow Flutter: 0.25% (MTT-111, JIS-WTD)
- F.F/REW Time: 120sec (C-60)
- Frequency Response: 250 - 8000Hz
- Signal to Noise Ratio: 43dB
- Channel Separation: 50dB(P/B)/45dB(R/P)
- Erase Ratio: 55dB (MTT-5511)
Speakers:
- Type: 1 Way 1 Speaker
- Impedance: 4 Ω
- Frequency Response: 100 - 18000 Hz
- Sound Pressure Level: 88 dB/W (1m)
- Rated Input Power: 5W
- Max. Input Power: 10W
- Net Dimensions (WxHxD): 146 x 234 x 182mm
- Net Weight (1EA): 1.4kg

Usage Features:

Clock Setting: The unit allows setting a 12-hour or 24-hour clock cycle.
Sleep Function: Users can set a sleep timer to automatically turn off the system after a specified period (e.g., 90, 80, 70 minutes, etc.).
Auxiliary Function: Connect external audio devices like TVs or VCRs via the rear-mounted AUX phone sockets.
Timer Function: Program the system to turn on and off at desired times for radio reception, CD play, or auxiliary source play and recording.
Audio Adjustment:
- Volume Control: Adjust the sound level using the knob on the front panel or buttons on the remote control.
- XDSS (Extreme Dynamic Sound System): Reinforce treble, bass, and surround effects.
- MUTE: Temporarily silence the audio output.
- Sound Quality Adjustment (EQ PATT.): Choose from four fixed sound impressions: FLAT, ROCK, POP, and CLASSIC.
- Headphone Socket: Connect stereo headphones (3.5mm jack); speakers are automatically disconnected.
RDS Function (Optional): Receive Radio Data System information from FM radio, including station call signs, program type (PTY), radio text (RT), and clock time (CT). Users can search for specific program types.
Radio Presetting: Store up to 50 FM and AM stations.
Radio Listening: Tune in to FM or AM stations manually or automatically, with options to improve reception for noisy FM programs (MODE/RIF).
Tape Playback: Basic playback, pause, fast rewind/forward, and auto stop deck functionality.
Recording: Record from radio, CD, or auxiliary sources onto cassette tapes.
CD to Tape Synchronized Recording: Dub a complete CD or programmed titles automatically onto a cassette.
CD Playback:
- Basic playback, pause, stop, skipping tracks, and fast rewind/forward (not available for MP3 files).
- Repeat Play: Repeat a single track ("REPEAT 1") or all tracks ("REPEAT ALL").
- MP3 File Information: Display title, artist, or album information for MP3 files.
- Program Play: Arrange up to 20 tracks from discs to create a custom program.
MP3 Disc Compatibility: Supports MP3 files with specific sampling frequencies (8-48kHz), bit rates (8-320kbps), and ISO 9660 physical format. File names should be 30 letters or less and end with ".mp3".
Multi Session: Recognizes multi-session discs based on CD-ROM type, playing MP3 files from the first session or all sessions if only MP3 files are present, or only Audio CD if present in the first session.

Maintenance Features:

Safety Precautions: Avoid using volatile liquids or leaving rubber/plastic products on the unit's surface.
Cleaning the Unit: Use a soft, dry cloth for the cabinet; for very dirty surfaces, use a soft cloth lightly moistened with a mild detergent solution. Avoid strong solvents.
Disc Handling: Do not touch the playback side, hold by the edges, and avoid sticking paper or tape. Store discs in their cases away from direct sunlight or heat. Clean discs with a clean cloth from the center out.
Remote Control Battery Installation: Insert two R03 (size AAA) batteries, ensuring correct polarity. Do not mix old and new batteries or different types.
Tape Maintenance: Remove safety tabs on cassettes to prevent accidental erasure. To record again, cover the tab hole with adhesive tape.
Antenna Connections: Connect supplied FM/AM antennas. Keep the AM loop antenna away from the unit and other components to prevent noise. Fully extend and keep the FM wire antenna as horizontal as possible.
Troubleshooting Guide: Provides solutions for common issues such as no power, no sound, unit not starting playback, or remote control not working properly. This includes checking power cords, audio cables, disc/tape insertion, disc cleanliness, remote control aiming, distance, and battery replacement.