5
Troubleshooting
No sound at all:
• Check to see that the power supply is properly connected and seated to
the power input on the rear of the amplifier. An LED on the power supply
will light when proper connection is made.
• Ensure the power switch on the rear of the TP21 is in the on position.
• Ensure the RCA cables are properly connected to the RCA inputs on the
rear of the amplifier.
• Check the volume control and make sure is not set to 0.
• Ensure the headphones are disconnected when using loudspeakers.
The sound is unusual:
• Double-check to see that your loudspeakers are correctly connected to
the rear of the amplifier and on the back of your loudspeakers. Check for
stray wires that could potentially short out against an adjacent terminal.
• Ensure that your loudspeakers have a minimum nominal impedance of
four ohms (4) or higher.
• Test your RCA cables with another device to see if they aren't causing
the issue.
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