If your RP-U100 does not operate as expected, check the items below.

Symptom

Possible Cause

Remedy

 

The power plug is not plugged

Insert the power plug correctly.

 

into the wall outlet correctly.

Pressing the POWER switch

 

 

 

 

Switch off the power, correct

does not turn on the RP-U100.

 

A speaker cable is shorted.

the speaker connections, then

 

 

 

switch on the power again.

 

 

 

 

 

Select the source that you want

 

 

to listen to.

 

 

 

 

No input source is selected.

When using the PC input

There is no sound.

source, be sure to select the

 

 

 

correct input: USB, digital, or

 

 

analog.

 

 

 

 

A connection is incorrect.

Check the connections.

 

 

 

The sound field programs have

The DSP is off.

Switch on the DSP.

no effect.

 

 

There is a humming noise.

An analog connection is incor-

Insert the analog plugs cor-

rect.

rectly.

 

 

 

 

Using the RP-U100 affects TV

These equipment may be situ-

Move these equipment away

reception or the performance of

ated too close to the RP-U100.

from the RP-U100.

other equipment.

 

 

 

 

 

 

The preset settings are lost if

 

The Presets do not work.

the RP-U100 is unplugged for

Reprogram the presets.

 

more than two weeks.

 

 

 

 

• Troubleshooting the FM Tuner

Symptom

Possible Cause

Remedy

 

 

 

 

 

Adjust the angle and location of

 

 

the FM antenna to minimize the

 

Interference from the ignition

noise. If that does not eliminate

A popping noise can be heard.

system of a motorcycle or auto-

the noise, install an outdoor FM

 

mobile is being picked up.

antenna.

 

 

Use a coaxial cable for the

 

 

antenna connection.

 

 

 

Stereo broadcasts are accom-

The antenna signal is too weak

 

panied by an unpleasant back-

or the signal of the station you

Install an outdoor FM antenna.

ground noise.

are receiving is weak.

 

 

 

 

Auto tuning cannot locate a sta-

The station is too weak.

Use a multi-element antenna.

 

tion.

Use manual tuning.

 

 

 

 

21