Troubleshooting - Teac AI-303 Manual Del Usuario

If you experience a problem with the unit, please take a moment to review the following information before requesting service.
If it still does not operate correctly, contact the retailer where you purchased the unit.
The unit does not turn
General
on.
All the indicators on the
Connections with
front are blinking.
a computer
Computer does not rec-
ognize this unit.
Noise occurs.
Audio files cannot be
played back.
Volume is low when con-
Volume
nected to a computer or
Bluetooth device.
Sound from a TV con-
Connections with
nected by HDMI is not
a TV
output.
Since this unit uses a microcontroller, external noise and other interference can cause the unit to mal-
function. If this occurs, unplug the power cord, wait for a while, and then turn the unit on again and restart
operations.
24

Troubleshooting

Check that the power cord is completely plugged into the power
outlet. If the outlet is switched, confirm that the switch is in the ON
position.
Connect a different electrical device to the outlet to confirm that it is
supplying power.
The protection circuit is operating because excessive electrical current
flowed to a speaker output connector.
Turn the unit off and check if anything is wrong with the speaker out-
put connectors. In addition, confirm that nothing is wrong with the
speaker cables and speakers themselves.
If the connection requires a driver, confirm that the latest driver has
been installed properly and restart the computer. The latest driver can
be downloaded from the website for this product, which is shown on
page 19.
Even if a computer operating system has been confirmed to work
with this unit, proper connection still might not be possible depend-
ing on the composition of the computer hardware and software.
Starting other applications during playback of an audio file may inter-
rupt playback or cause noise. Do not start other applications during
playback.
Connect this unit to the computer, and set this unit's input to USB
before starting audio playback software and audio file playback.
Proper playback might not be possible if you connect this unit to the
computer or change its input to USB after starting the audio playback
software.
Confirm that the volume setting is not low on the computer or other
Bluetooth device. Better sound quality can be achieved by maximiz-
ing the volume of the source device and adjusting the volume with
this unit.
Connect the cable to an HDMI connector labeled ARC or eARC on
the TV.
Set the TV audio output to use an external sound system.
Select PCM for the digital audio output of the TV.