TX-SR393 Troubleshooting: Others

Tuner
Poor reception or much noise
• Recheck the antenna connection.
• Move the antenna away from the speaker cord or power cord.
• Move the unit away from your TV or PC.
• Passing cars or airplanes in the vicinity can cause interference.
• If radio waves are blocked by concrete walls, etc., radio reception may be poor.
• Change the reception mode to mono ( p38).
• Operating the remote controller during AM reception may cause noise.
• FM reception may be clearer if you use the antenna jack on the wall used for the TV.( p32)
BLUETOOTH function
• Unplug and plug the power cord of the unit, or turn off and on the BLUETOOTH-enabled device. Restart of the BLUETOOTH-enabled device may be effective.
• BLUETOOTH-enabled devices must support the A2DP profile.
• Because a radio wave interference will occur, this unit may not be used near devices such as a microwave oven or cordless phone which use the radio wave in the 2.4 GHz range.
• A metallic object near the unit can affect on the radio wave, and BLUETOOTH connection may not be possible.
Check the following if the problem persists after you have confirmed the above.
Cannot connect with this unit
• Check if the BLUETOOTH function of the BLUETOOTH-enabled device is enabled. ( p74)
 Music playback is unavailable on the unit even after successful BLUETOOTH connection
• When the audio volume of your BLUETOOTH-enabled device is set low, the audio may not be played back. Turn up the volume of the BLUETOOTH-enabled device.
• Depending on the BLUETOOTH-enabled device, the Send/Receive selector switch may be equipped. Select Send mode.
• Depending on the characteristics or specifications of the BLUETOOTH-enabled device, music may not be played back on this unit.
Sound is interrupted
• There may a problem with the BLUETOOTH-enabled device. Check the information on a web page.
The audio quality is poor after connection with a BLUETOOTH-enabled device
• The BLUETOOTH reception is poor. Move the BLUETOOTH-enabled device closer to the unit, or remove any obstacle between the BLUETOOTH-enabled device and this unit.

ZONE B function
Cannot ZONE B-output the audio of externally connected AV components
• To output audio to ZONE B, set the audio output destination to "ZONE A+B" or "ZONE B". ( p42)
Remote Controller
• Make sure that the batteries are inserted with the correct polarity.
• Insert new batteries. Do not mix different types of batteries, or old and new batteries.
• Make sure that the sensor of the main unit is not subjected to direct sunlight or inverter-type fluorescent lights. Relocate it if necessary.
• If the main unit is installed in a rack or cabinet with colored-glass doors, or if the doors are closed, the remote controller may not work normally.
Display
The display does not light up
• When the Dimmer function is working, the display may go dim. Press the DIMMER button, and change the brightness level of the display. ( p9)
Others
Strange noise can be heard from the unit
• If you have connected another device to the same outlet as this unit, strange noise may occur under the influence of the device. If the symptom is
remedied by removing the power plug of the other device from the outlet, use different outlets for this unit and the device.
The message "Noise Error" appears during AccuEQ Room Calibration
• This can be caused by a malfunction in your speaker unit. Check the speaker output, etc.
The measurement results of AccuEQ Room Calibration show different distances to the speakers from
the actual ones.
• Depending on the speakers you are using, some errors may occur in the measurement results. If this is the case, make the settings in "2. Speaker" - "Distance" in the Setup menu.