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The STR-AV320/220 is a combined receiver and audio/video control center with DBFB circuitry.
Highlights fire and shock hazards, advises against exposure to moisture, and cautions about not opening the unit.
Instructs users to record model and serial numbers for dealer reference.
Warns about battery mistreatment, including recharging, disassembly, or disposal in fire.
Advises Canadian customers on preventing electric shock with polarized plugs.
Details the numbered controls and jacks on the front panel of the receiver unit.
Explains the buttons and functions of the RM-S103 remote commander.
Illustrates how to connect speakers, antennas, CD player, tape deck, and VCR to the receiver.
Provides guidance on connecting FM and AM antennas, including grounding for lightning protection.
Explains how to connect speakers and their impedance/power capability requirements.
Details notes on connecting the AC power cord and limitations for connected appliances.
Outlines methods to receive broadcasts: direct access, preset, and automatic tuning.
Explains how to tune to a specific frequency using numeric buttons and display examples.
Guides users on how to save FM/AM stations into memory pages (A, B, C).
Describes two methods (A and B) to recall memorized stations using preset buttons.
Lists available program sources like Turntable, CD player, Tape deck, and VCR with their functions.
Details the process of recording audio from various sources onto an audio tape.
Explains how to copy tapes from one tape deck to another.
Covers operating voltage, handling spills, unplugging for long periods, and plug insertion for user safety.
Advises on placement away from heat, dust, and ensuring adequate air circulation for proper operation.
Provides instructions for cleaning the unit's cabinet and repacking for transport.
Guides on installing AA batteries in the remote and cautions about removal during long periods of non-use.
Details power output and total harmonic distortion for the amplifier section.
Lists technical specs for the amplifier, dynamic power, inputs, outputs, and tuner sections.
Covers power requirements, dimensions, weight, and supplied accessories.
The STR-AV320/220 is a combined receiver and audio/video control center with DBFB circuitry.
Highlights fire and shock hazards, advises against exposure to moisture, and cautions about not opening the unit.
Instructs users to record model and serial numbers for dealer reference.
Warns about battery mistreatment, including recharging, disassembly, or disposal in fire.
Advises Canadian customers on preventing electric shock with polarized plugs.
Details the numbered controls and jacks on the front panel of the receiver unit.
Explains the buttons and functions of the RM-S103 remote commander.
Illustrates how to connect speakers, antennas, CD player, tape deck, and VCR to the receiver.
Provides guidance on connecting FM and AM antennas, including grounding for lightning protection.
Explains how to connect speakers and their impedance/power capability requirements.
Details notes on connecting the AC power cord and limitations for connected appliances.
Outlines methods to receive broadcasts: direct access, preset, and automatic tuning.
Explains how to tune to a specific frequency using numeric buttons and display examples.
Guides users on how to save FM/AM stations into memory pages (A, B, C).
Describes two methods (A and B) to recall memorized stations using preset buttons.
Lists available program sources like Turntable, CD player, Tape deck, and VCR with their functions.
Details the process of recording audio from various sources onto an audio tape.
Explains how to copy tapes from one tape deck to another.
Covers operating voltage, handling spills, unplugging for long periods, and plug insertion for user safety.
Advises on placement away from heat, dust, and ensuring adequate air circulation for proper operation.
Provides instructions for cleaning the unit's cabinet and repacking for transport.
Guides on installing AA batteries in the remote and cautions about removal during long periods of non-use.
Details power output and total harmonic distortion for the amplifier section.
Lists technical specs for the amplifier, dynamic power, inputs, outputs, and tuner sections.
Covers power requirements, dimensions, weight, and supplied accessories.
This document describes the Sony STR-AV320/220 FM Stereo/FM-AM Receiver, a combined receiver and audio/video control center designed to provide a comprehensive audio experience.
The STR-AV320/220 serves as the central hub for various audio/video program sources, allowing users to listen through an amplifier and connected speakers. It integrates an FM Stereo/FM-AM receiver, an amplifier, and an audio/video control center into a single unit.
A key feature is the newly designed DBFB (Dynamic Bass Feed Back) circuitry, which ensures natural sound quality even at low volume levels. This is particularly useful for maintaining rich audio without disturbing others or when listening in smaller spaces.
The receiver also incorporates built-in matrix surround decoding. This technology processes ambient information present in stereo sources to create a surround sound effect, enhancing the immersive quality of movies, music, and other audio content.
For radio reception, the tuner section utilizes a quartz-locked digital synthesizer system, ensuring precise and stable tuning. Users can preset up to 30 FM/AM stations across three memory pages (A, B, and C), allowing for quick access to favorite broadcasts.
The unit includes a range of controls for audio adjustment. TONE controls for TREBLE and BASS allow users to fine-tune the high and low frequency sounds to their preference. A BALANCE control is provided to adjust the volume balance between the left and right channels, compensating for speaker placement or room acoustics.
The MUTING button and indicator offer an immediate attenuation of the sound level by -20 dB, useful for quickly pausing audio or taking calls without fully turning down the volume. Pressing it again restores the sound level. The SURROUND button and indicator activate the surround effect, providing an enhanced audio experience.
The STR-AV320/220 supports multiple speaker systems, with SPEAKERS selectors (A and B) allowing users to choose which set of speakers to drive. This is convenient for multi-room setups or for comparing different speaker types.
The receiver offers flexible tuning options for FM/AM broadcasts. Direct Access Tuning allows users to enter frequencies directly using numeric buttons. For unknown frequencies, Automatic Tuning (for FM) and Manual Tuning (for AM) are available. Automatic tuning sweeps through frequencies until a station is found, while manual tuning allows for step-by-step adjustment.
Memorizing stations is straightforward: after tuning to a desired station, users can press the MEMORY button and then a numeric button (1 to 0) to save it. The SHIFT button allows selection of memory pages (A, B, or C), enabling categorization of stations by music genre or band. Preset stations can be easily recalled using the preset numeric buttons or by cycling through them with the PRESET +/- buttons.
The unit supports various program sources beyond broadcasts, including a turntable (PHONO), CD player (CD), VCR (VIDEO), and tape decks (TAPE). Users can select the desired function using the Function selectors on the unit or the Remote Commander.
Recording on an audio tape is facilitated by connecting a tape deck to the TAPE REC OUT. Users can select the desired program source (FM/AM broadcast, CD, etc.), set the tape deck to recording mode, and start the source playback. It's important to note that VOLUME and TONE controls do not affect the recording level.
Tape dubbing is also supported, allowing users to copy from one tape deck (playback) to another (recording). This involves inserting the recorded tape into tape deck 2 and a blank tape into tape deck 1, selecting the VIDEO function, adjusting the recording level, and then starting playback on deck 2 while deck 1 is in recording mode.
The STR-AV320 model comes with a Remote Commander (RM-S103) for convenient remote operation. This includes power control, DBFB activation, tuner preset and shift functions, volume adjustment, surround and muting control, CD player operations (disc skip, play), and tape deck operations (play for decks A and B).
For safety, the manual advises operating the unit only on 120 V AC, 60 Hz. In case of any foreign object or liquid entering the unit, it should be unplugged and checked by qualified personnel. The unit should be unplugged for extended periods of non-use.
Proper installation is crucial for longevity. The unit should not be placed near heat sources, in direct sunlight, or in areas with excessive dust, mechanical vibration, or shock. Adequate air circulation is essential to prevent internal heat build-up. The ventilation holes on the bottom should not be blocked by soft surfaces like rugs. Nothing should be placed on top of the cabinet to ensure unobstructed ventilation.
Cleaning the cabinet, panel, and controls should be done with a soft cloth lightly moistened with a mild detergent solution. Abrasive pads, scouring powder, or solvents like alcohol or benzine should be avoided.
The manual also recommends retaining the original carton and packing material, as they are ideal for transporting the unit.
For the Remote Commander, it uses two size "AA" (R6) batteries. Battery life is approximately half a year with normal operation. To prevent damage from battery leakage and corrosion, batteries should be removed if the commander is not to be used for a long period.
Power| power consumption (U.S.A. model) | 100 watts |
|---|---|
| power consumption (Canadian model) | 160 watts |
| power requirements | 120 VAC, 60 Hz |
Audio Specifications| RMS power output | 65 watts |
|---|---|
| frequency response (amplifier section) | 30 Hz - 15 kHz |
| harmonic distortion (amplifier section) | less than 0.8% |
Weight and Dimensions| dimensions | 430 x 110 x 295 mm |
|---|---|
| weight | 6.2 kg |
| approx weight | 13 lbs 11 oz |
Power| power consumption (U.S.A. model) | 90 watts |
|---|---|
| power consumption (Canadian model) | 140 watts |
| power requirements | 120 VAC, 60 Hz |
Audio Specifications| RMS power output | 50 watts |
|---|---|
| frequency response (amplifier section) | 30 Hz - 15 kHz |
| harmonic distortion (amplifier section) | less than 0.8% |
Weight and Dimensions| dimensions | 430 x 110 x 295 mm |
|---|---|
| weight | 4.5 kg |
| approx weight | 11 lbs 7 oz |
