Why is a percussive noise heard when beginning playing back a source encoded with the DTS on Yamaha Amplifier?
If you hear a percussive noise when you begin playing back a source encoded with DTS on your Yamaha Amplifier, and the “AUTO” input mode is selected, there may be a case that a noise is heard while this unit is identifying the format of input signal. Set the input mode of the currently selected input source to “DTS.”
Why is there no sound or picture from my Yamaha DSP-A1 Amplifier?
If you are experiencing no sound or picture from your Yamaha Amplifier, begin by checking the output cord connections to ensure they are properly connected. If the problem continues, the cords may be defective. Verify that you have selected the correct input source using the INPUT SELECTOR or the TAPE 2 MON/EXT. DECODER button. Also, make sure the speaker connections are secure. Finally, ensure that the source you are playing is compatible with the unit.
What to do if the sound suddenly goes off on Yamaha DSP-A1?
If the sound from your Yamaha Amplifier suddenly goes off, the protection circuit may have been activated due to a short circuit. To resolve this, turn the unit into standby mode and then turn it back on to reset the protection circuit. Alternatively, the SLEEP timer may have been activated. If so, cancel the SLEEP timer function.
Why Yamaha DSP-A1 remote control transmitter does not work?
If your Yamaha Amplifier's remote control transmitter does not work, first replace the batteries with new ones and then press the RESET button on the remote control transmitter. If this doesn't work, the internal microcomputer may have frozen, in which case you should also try pressing the RESET button on the remote control transmitter.
Why is there no sound from the effect speakers on Yamaha DSP-A1?
If you are not hearing sound from the effect speakers on your Yamaha Amplifier, make sure the EFFECT button is turned on. Also, if you are using a Dolby Surround (or DTS) decoding program, ensure that the material you are playing is encoded with Dolby Surround (or DTS). If not, try using a different sound field program.
What to do if Yamaha DSP-A1 Amplifier does not work normally?
If your Yamaha Amplifier does not work normally, turn the unit into standby mode and disconnect the AC power cord from the AC outlet. After about 30 seconds, reconnect the power and operate the unit again. This can help if there's an influence of strong external noise or a misoperation.
How to stop Yamaha Amplifier from causing noise from nearby TV or tuner?
If your Yamaha Amplifier is causing noise in a nearby TV or tuner, move the unit further away from the affected equipment.
Why is the sound degraded when listening with headphones connected to Yamaha Amplifier?
If the sound quality is degraded when listening with headphones connected to a compact disc player or tape deck connected to your Yamaha Amplifier, ensure that the unit is turned on and not in standby mode.
Why does only one side speaker output sound on Yamaha Amplifier?
If you only hear sound from one side speaker on your Yamaha Amplifier, check the BALANCE control and adjust it to the appropriate position. Also, verify that the cord connections are correct and secure. If the issue persists, the cords may be defective.
Why is no sound heard when playing back a source (CD etc.) on Yamaha DSP-A1 Amplifier?
If no sound is heard when you play back a source (CD etc.) on your Yamaha Amplifier, even though the currently selected input mode is “AUTO”, the DTS-decoding mode may not be changing to the normal (PCM) digital signal input mode automatically. Press the INPUT MODE button on the front panel or the input selector button (for the currently selected source) on the remote control transmitter so that “PCM” appears on the display.
Essential safety guidelines for operation and maintenance.
The remote control unit for operating the amplifier.
Guidance on setting up speaker systems for optimal sound.
Description of front panel buttons, knobs, and indicators.
Selecting output modes for center, rear, main, and subwoofer speakers.
Procedure to adjust speaker output levels using test tones.
How to select and use DSP sound field programs.
Guide to fine-tuning output levels for individual speakers.
Solutions for common operating problems and symptoms.
General| Surround Sound | Dolby Digital, DTS, Dolby Pro Logic |
|---|---|
| Frequency Response | 10 Hz-100 kHz +0, -3 dB |
| Total Harmonic Distortion | 0.015% |
| Signal to Noise Ratio | 96 dB |
| Output | Pre-out |
| Speaker Load Impedance | 4-16 ohms |
| Digital Inputs | Coaxial, Optical |
| Video Inputs | Composite, S-Video |
| Dimensions | 171 mm |
| Input Sensitivity | 200mV (line) |
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