Amphony 1520 User Manual

Troubleshooting Guide

5.8 GHz DIGITAL Wireless Audio Transmitter /

Amplifier, Model 1520

Below are some common problems and their solutions for your product. If your problem is not
among those problems mentioned below then please contact your dealer for further assistance.

A) Problems during installation

Problem 1: Audio device does not have an RCA type line output or
speaker output.

What to do: The transmitter can also be connected to headphone type outputs / inputs (3.5 mm or

6.3 mm type outputs) by using a 3.5 mm-to-RCA or 6.3 mm-to-RCA adapter. Please contact your
dealer for such an adapter.

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B) Problems during operation

Problem 2: The green transmit light of the transmitter does not light
when power is applied to the transmitter.

1st possible cause: Faulty power outlet.
What to do: Check the power outlet with another appliance or a voltage tester.

2nd possible cause: Faulty AC adapter.
What to do: If possible, check the voltage of the supplied AC adapter. Otherwise contact your

dealer.

Problem 3: The green transmit light of the transmitter goes out a few
seconds after power is applied to the transmitter.

1st possible cause: No audio present at audio source.
What to do: Check the audio at the line output of the audio device.

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2nd possible cause: Transmitter volume control turned to minimum.
What to do: Turn up the transmitter volume control.

3rd possible cause: Faulty audio connection.
What to do: Check the audio connection between the audio device and the transmitter. If possible,

try using a different cable.

4th possible cause: Transmitter hung up.
What to do: Disconnect and then reconnect DC power to the transmitter.

Problem 4: No audio at amplifier.

1st possible cause: Amplifier volume control turned to minimum..
What to do: Turn up the amplifier volume control.

2nd possible cause: Strong interference.
What to do: Ensure that there is no strong interference from 5.8 GHz cordless telephones, 5.8 GHz

wireless LANs or other transmitters in the 5.8 GHz range. If possible, relocate the cordless phone
base station into another room, relocate the transmitter or relocate or reorient the amplifier to
establish a line of sight between the transmitter and amplifier..

3rd possible cause: Amplifier hung up.
What to do: Disconnect and reconnect DC power.

4th possible cause: Faulty power outlet.
What to do: Ensure that the power outlet delivers a 120 V AC voltage. Contact your local electrician

for help.

5th possible cause: Faulty power supply (wallwart)
What to do: Verify that the AC adapter (wallwart) delivers a DC voltage of at least 24 V if possible.

6th possible cause: Faulty speaker
What to do: Verify that the speaker is working by connecting the speaker directly to your amplifier.

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