NEC-ADA201 Eng/Fr. manual 9/8/98 12:27 PM Page 17

Troubleshooting

SYMPTOMS

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

NOTE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No Sound

No power to unit.

Make sure all connecting plugs

Provided

 

power

has

been

From

 

 

 

 

 

between

the

IntelliBase

and

verified, it is possible to test

Speakers

 

 

 

 

 

computer are

fully

seated.

the unit

 

by

disconnecting

 

 

 

 

 

 

Make sure the wall power outlet

the audio cable that is

 

 

 

 

 

 

or power strip has power.

connected

to

the

computer

 

 

 

 

 

 

Make sure the power switches

and reconnecting it to an

 

 

 

 

 

 

on the power strip and

alternate

audio

source such

 

 

 

 

 

 

IntelliBase are turned on.

 

as a portable CD player.

 

 

 

 

 

 

 

 

 

 

 

 

 

Volume

level

on

Check

volume

level

of

Check

with

an

alternate

 

sound card or other

sound card,

audio

source

audio source

as

mentioned

 

audio source

 

may

and Windows

mixer

and

above.

 

 

 

 

 

 

 

be too low.

 

 

 

raise as necessary.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IntelliBase is muted.

Make sure the mute button

 

 

 

 

 

 

 

 

 

 

 

 

 

is off and the indicator for

 

 

 

 

 

 

 

 

 

 

 

 

 

mute doesn’t glow.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Volume is too low.

Make

sure

the

volume

 

 

 

 

 

 

 

 

 

 

 

 

 

control is not at zero.

 

 

 

 

 

 

 

 

Distortion

Speaker

is

being

Make sure the IntelliBase is

Depending on

your

sound

(i.e. static,

overdriven

by

an

connected to line-out jack

card, you may also turn off

crackling,

amplified

 

audio

(unamplified)

of

sound

card

amplifier

on

 

sound

card

hissing)

source.

 

 

 

 

and not speaker-out jack

(check

your

 

sound

card

 

 

 

 

 

 

(amplified).

 

 

 

 

manual).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Volume level

on

sound

Check

volume

level

of

 

 

 

 

 

 

 

 

card or

other

audio

sound card or audio source

 

 

 

 

 

 

 

 

source may be too high

and lower as necessary.

 

 

 

 

 

 

 

 

and causing speaker to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

be overdriven.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sound card or specific

Check

speakers

 

with

For this

check,

disconnect

 

sound file/track

may

another audio source (CD-

speakers

from

sound

card

 

be root of problem.

ROM player) to see if sound

and plug

into

headphone

 

 

 

 

 

 

card or

specific file/track

jack on front of CD-ROM

 

 

 

 

 

 

may be the problem.

 

player or alternate line-level

 

 

 

 

 

 

 

 

 

 

 

 

audio source.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sound

Audio cable

is

not

Make

sure

the

audio

 

 

 

 

 

 

 

from only

properly connected.

connector is properly inserted

 

 

 

 

 

 

 

one

 

 

 

 

 

in the audio jack on the rear

 

 

 

 

 

 

 

speaker

 

 

 

 

 

side.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: If the IntelliBase must be returned for repair, the unit must be disconnected from the monitor and packed in its original packaging.

14

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NEC IntelliBase, A3842, IB-AUDIO user manual Troubleshooting, Audio cable that is