Simple troubleshooting
Try the troubleshooting steps below if you are having problems while using your speaker. If problems still exist, please look for a
qualified technician or contact Sytech technical department.
To prevent electric shock or damage the speaker, do not repair by yourself.
Symptom
Possible problem
Solution
No function light & no
sound
1. Plug is not well connected Insert the plug into electrical outlet
2. Speaker power button is
not turned on
Turn on the button
Function light on but no
sound
1. Cable misconnected
Turn off the power, check the input jack to ensure
proper audio signal is connected to relevant input
jack
2.Speaker are not connected
or misconnected
Power off, then check and confirm the cable
connection again
3.Audio signal is not
transmitted to speaker
Check all the speaker if there is audio signal output
Remote control does not
work
1. Before you press any function button, first select the correct source with the
remote control instead of the main unit
2. Reduce the distance between the remote control and the unit
3. Insert the battery with its polarities (+/- signs) aligned as indicated
4. Replace the battery
5. Aim the remote control directly at the sensor on the front of the unit
Cannot display some files
in the USB device
1. The number of folders or files in the USB device exceeds the max limit. This is not
a malfunction of the unit.
2. The formats of these files are not supports
USB device not supported
1. The USB device is incompatible with the unit. Try another one.
Poor radio reception
1. Increase the distance between the unit and your TV or VCR
2. Fully extend the FM antenna
Bluetooth does not connect
with external device
1. Verify that the external device is compatible with A2DP
2. Verify that the external device is within the transmission range
3. Verify that the external device has already been paired with the unit.
4. Verify if there is no other external device paired with the unit.
If the problem exists after checking related procedures above, please refer to the appointed service agent or
professional technician to fix it. Do not attempt to open the cover, otherwise we assumes no responsibility
Summary of Contents for SY-XT57
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