Ibanez T20 Owner's Manual - page 12

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Troubleshooting 

1. The power supply cannot be switched ON.

• Check that the power cable has been connected correctly.

•  Try plugging it into a different power supply socket and see if the same prob-

lem occurs.

2.  The power supply can be turned ON, but no sound is 

produced.

• Check that the guitar and microphone have been connected correctly.

•  Remove the effects between the guitar and the amplifier and check to see if no 

sound is produced.

• Replace the shielded cable and check to see if no sound is produced.

• Check to see if the volume on the guitar is set to “0”.

• Check to see if the microphone switch has been turned ON.

•  Check to see if there are batteries in the guitar. If there are, check that they are 

OK.

• Use a different guitar and see if no sound is produced.

• Check to see if the volume on the amp is set to “0”.

3. Noise occurs

•  Check  to  see  if  anything  in  the  immediate  vicinity  is  resonating  or  banging 

against the amplifier to produce the noise.

• Check to see if the plug cover on the shielded cable is loose.

•  Check that the string action (distance between strings and frets) is correctly 

adjusted (not too low).

• Check to see if the guitar batteries are depleted.

• Is the microphone used as unbalanced? If so, noise occurs easily.

•  Use another guitar, microphone, effects and cable to see if the same noise is 

produced.

In the case of defects

This product has passed exhaustive inspections before being shipped from the 

factory.  Ensure  that  the  above  procedures  are  carried  out  when  a  problem  is 

thought to exist. Contact your dealer in the unlikely event that an abnormality oc-

curs during use. Also, ensure that the symptoms of the problem are explained in 

detail when requesting repairs in order to facilitate swift handling.