Troubleshooting Guide - The Singing Machine SML633 Instruction Manual

Troubleshooting Guide

Should this unit exhibit a problem, check the following before seeking service:
No Power
• Power is not on; press the
• Confirm that the AC adapter is connected securely to the back of the unit.
• Connect the unit to a different outlet.
• The normal function of the product may be disturbed by strong Electro-Magnetic
Interference. If so, simply restart the product to resume normal operation by following
the instruction manual. In case the function could not resume, please use the product in
other location.
No Sound – General
• Master Volume is set to minimum; raise volume.
• Correct Function was not selected; select using the FUNCTION button.
• If using an external device, raise the volume.
No Sound – If connected to a TV
• Volume on the TV is muted or too low.
• Correct source (usually AV) was not selected on the TV's menu.
Lyrics do not appear on the TV screen
• If connected to a TV, Video plug is not connected properly; see page E5.
• If connected to a TV, select the correct source on the TV (usually AV).
• The file/track being played is not a track recording with lyrics. These are the only files
that allow you to view the lyrics on the TV screen.
• Nothing will appear on the TV screen when using Line In or Bluetooth.
File(s) on USB jack not playing
• The file is corrupted; replace the file.
• The file is not in a format this unit will play.
• The connected USB device is not supported by the product.
No sound from the microphone
• Make sure the microphone is firmly connected to the MIC 1 or MIC 2 jack.
• Make sure the ON/OFF switch on the microphone is set to the ON position.
• Make sure the MIC 1 & MIC 2 VOLUME setting is not set too low.
• MASTER VOLUME is set to minimum; raise volume.
The Bluetooth device cannot be paired or connected with the unit
• You have not activated the Bluetooth function of your device; see page E16 or refer to
the Bluetooth device user's manual.
• The system is not in pairing mode; press and hold the
The Music is not available on the unit after successfully connecting the Bluetooth
• Ensure your Bluetooth device can support the A2DP Bluetooth profile.
• The volume on the external Bluetooth device is set to low or muted; raise as desired.
button to turn power on.
— E22 —
button to restart pairing.