This document describes the Sony Compact Hi-Fi Stereo System, models LBT-G1000 and LBT-D150, providing operating instructions, technical specifications, and maintenance guidelines.
Function Description
The Sony Compact Hi-Fi Stereo System is an integrated unit comprising an amplifier, tuner, stereo cassette deck, and compact disc player. It allows users to:
- Listen to radio broadcasts: Tune into FM and AM stations, store preset frequencies, and adjust tuning intervals.
- Play cassette tapes: Play back recorded tapes of Type I and II, including relay play between two decks.
- Record on cassette tapes: Record from various sources (except tape) onto Type I and II tapes.
- Play compact discs: Enjoy digital audio playback with features like random order (shuffle play), repeated playback (all tracks or single track), and programmed playback (up to 24 selections).
- Adjust audio output: Control volume, bass, treble, and surround effects.
- Connect external devices: The LBT-G1000 model supports connecting video equipment for audio input, while the LBT-D150 model allows connection of a turntable system for analog discs.
Important Technical Specifications
Compact disc deck receiver (HCD-G1000/HCD-D150)
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General:
- Power requirements: 120 V AC, 60 Hz
- Power consumption: 45 W
- Mass: Approx. 7.5 kg (16 lb 9 oz)
- Dimensions (w/h/d, including projections): Approx. 355 x 380 x 325 mm (14 x 15 x 12 7/8 inches)
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Amplifier:
- Continuous RMS power output: 10 W + 10 W (6 ohms, at 1 kHz, 5% THD)
- Input (VIDEO for LBT-G1000): Phono jack type, 300 mV sensitivity, 47 kilohms impedance.
- Input (PHONO for LBT-D150): Phono jack type, 3 mV sensitivity, 47 kilohms impedance.
- Output (HEADPHONES): Stereophone jack type, accepts headphones of 8 ohms or more.
- Frequency response: 15 Hz to 50 kHz +0/-3dB
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Tuner:
- System: FM stereo, FM/AM superheterodyne tuner
- FM tuner section:
- Tuning range: 87.5 to 108 MHz
- Antenna: 300 ohms balanced, 75 ohms unbalanced
- Intermediate frequency: 10.7 MHz
- AM tuner section:
- Tuning range: 530 to 1,710 kHz
- Antenna: AM loop antenna, external antenna terminal
- Intermediate frequency: 450 kHz
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Cassette deck:
- Recording system: 4-track 2-channel stereo
- Frequency response:
- With Type II cassette (Sony UX-S): 40 Hz to 14 kHz (±3 dB)
- With Type I cassette (Sony HF-S): 40 Hz to 13 kHz (±3 dB)
- Wow and flutter: 0.1% (WRMS)
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Compact disc player:
- Laser: Semiconductor laser
- Wavelength: 780-790 nm
- Frequency response: 2 Hz to 20 kHz ±1 dB
- Harmonic distortion: Less than 0.01% (1 kHz)
Speakers (SS-G2000/SS-D255)
- Speaker system:
- SS-D255: 2-way speaker system
- SS-G2000: 3-way speaker system
- Mass: Approx. 3 kg per speaker (6 lb 10 oz)
- Dimensions (w/h/d, including projections): Approx. 220 x 395 x 180 mm (8 3/4 x 15 5/8 x 7 7/8 inches)
Supplied accessories:
- Remote commander RM-S221 (1)
- Batteries Sony SUM-3 (NS) (2)
- FM wire antenna (1)
- AM loop antenna (1)
Usage Features
- Remote Commander (RM-S221): The system can be controlled remotely (except for the cassette deck) using the supplied remote commander. It requires two R6 (size AA) batteries.
- Sound Adjustment:
- Volume control.
- LBT-G1000: 3-band graphic equalizer (100 Hz, 1 kHz, 10 kHz) for detailed sound shaping.
- LBT-D150: Tone controls (BASS, TREBLE) for general sound adjustment.
- SURROUND control to create a stage-like atmosphere.
- Headphones jack for private listening.
- Tuner Operation:
- Automatic and manual tuning.
- Storage of up to 30 station frequencies (A-0 to C-9) for quick recall.
- Ability to change AM tuning interval between 10-kHz and 9-kHz.
- STEREO/MONO button to reduce noise on weak FM stereo signals.
- Cassette Deck Operation:
- Playback of Type I and II tapes.
- Relay play function between Deck A and Deck B.
- Recording from various sources onto Type I and II tapes.
- Protection against accidental recording by breaking off tape tabs.
- Precise recording start using the PAUSE button.
- Compact Disc Player Operation:
- Shuffle Play: Plays selections in a random order.
- Repeat Play: Repeats all tracks in the current play mode or a single track.
- Program Play: Allows users to designate up to 24 selections to be played in a desired order.
- Time Edit: Designate a total playing time for recording onto a tape, and the unit automatically programs selections to fit that duration.
- Information Display: Check remaining time of a track or disc, and total playing time.
- Locating Selections: Quickly navigate to the beginning of current, preceding, or succeeding selections.
- Searching: Fast search while monitoring sound or observing the display (with no sound).
Maintenance Features
- General Precautions:
- Operate on 120 V AC, 60 Hz.
- Avoid exposure to rain, moisture, direct sunlight, excessive dust, mechanical vibration, or shock.
- Ensure adequate air circulation and do not block ventilation holes.
- Do not attempt to disassemble the cabinet due to laser beam hazard; refer servicing to qualified personnel.
- Cleaning the Cabinet: Use a soft cloth lightly moistened with a mild detergent solution. Avoid abrasive pads, scouring powder, alcohol, or benzine.
- Repacking: Keep the original carton and packing material for future transport.
- Moisture Condensation: If moisture condenses on the lens, remove the disc and leave the unit turned on for about an hour until it evaporates.
- Cleaning Heads and Tape Path (Cassette Deck):
- Clean after every 10 hours of use and before recording.
- Use a cotton swab slightly moistened with cleaning fluid or alcohol to wipe heads, pinch roller, and capstans.
- Ensure cleaned areas are completely dry before inserting a tape.
- Demagnetizing the Heads (Cassette Deck):
- Remove magnetism built up on the heads after every 20 to 30 hours of use.
- Turn off power before demagnetizing.
- Use a commercially available demagnetizer.
- Cleaning Discs (CD Player):
- Wipe from the center outward with a cleaning cloth.
- Do not use solvents like benzine, thinner, or anti-static sprays intended for analog discs.
- Troubleshooting Guide: A comprehensive guide is provided to help users resolve common issues related to power, sound, tuner reception, cassette deck operation, and CD playback. It also includes solutions for remote commander malfunctions.
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