Altec Lansing ADA890 User Manual page 8

ADA890 Troubleshooting
Symptoms
All indicators are off
No Sound from any Speakers
Mute turns off unexpectedly
Subwoofer emits very loud
humming/buzzing noise
No sound from Subwoofer
No sound from surround speakers Unit is not in a surround mode
Center and Surround buttons
do not work
No sound from surround
speakers when detached
No playback from digital input
Sound is distorted
Not enough treble
Too much treble
Too much bass or
subwoofer distorted
Remote Control does not work
No sound when playing DVD
Possible Problem
AC cord is not connected to wall outlet
Control speaker is not connected
to the subwoofer
Power is off
Power is not on
Volume setting is too low
S/PDIF cable is not connected to
DVD playback card
Signal cable is disconnected from sound card Connect analog signal cable from sound card (not DVD card) to ADA890 analog input
Right (Control) speaker is disconnected
Computer not sending out signal
Mute was re-pressed or a function
was selected
Signal cable is not completely inserted
into signal jack on subwoofer
Subwoofer volume is too low
Sound source has very little low
frequency content
Surround level is too low
Unit is not in a surround mode
Surround bases are not connected
Unit is not in a surround mode
Surround level is too low
Digital signal cable is not connected
to soundcard.
Volume level too high
Sound source is distorted
Treble setting is too low
Treble setting is too high
Bass setting is too high
Batteries are dead or not installed
Remote is not pointed at speakers
Remote signal path is blocked
PCM Jack on dongle is connected
to the system
Solution
Check to see if the LED is illuminated on the rear of the subwoofer. If not,
connect AC power or try a different outlet.
Connect control speaker to subwoofer
Press power button or use remote to turn on system
Verify the AC line cord is plugged into the wall outlet
Verify power switch has been pressed (Display is on)
Raise master volume control
Connect S/PDIF cable to DVD card and make sure all software drivers for computer are
set to proper output.
Connect right (Control) speaker
Press the Diagnostic button on the rear of the ADA890 subwoofer. The speakers should
sequentially play a tone. If so, the ADA890 is working properly and problem is cables
or computer settings
System will un-mute whenever the mute button pressed again, if a function button is
pressed, or if the volume control is rotated
Make sure signal cable is inserted snugly into signal jack. Especially check the signal cable
at the computer end to make sure is completely plugged in
Select Bass function and raise volume level
Press the Diagnostic button on the rear of the ADA890. This will sequentially play a tone
from each speaker, including the subwoofer. It will also set the system to the factory
default levels.
.WAV files often have little low frequency content. Try a music signal with more bass.
Press the mode button to select a surround mode.
Select surround level function and raise volume.
Press and hold Treble and Bass buttons for 3 seconds to reset Treble, Bass, Center, and
Surround levels to default position.
Press the mode button to select a surround mode.
Connect surround bases to rear of subwoofer.
Press the mode button to select a surround mode.
Select surround level function and raise volume
Press and hold Treble and Bass buttons for 3 seconds to reset Treble, Bass, Center, and
Surround levels to default position.
Connect digital signal cable to S/PDIF output of DVD playback card
Decrease master volume level
.WAV files are often of poor quality so distortion and noise are easily noticed with high
powered speakers. Try a different sound source like a music CD.
Select Treble function and increase level
Press and hold Treble and Bass buttons for 3 seconds to reset Treble, Bass, Center, and
Surround levels to default position
Select Treble function and decrease level
Press and hold Treble and Bass buttons for 3 seconds to reset Treble, Bass, Center, and
Surround levels to default position
Select Bass function and decrease level
Press and hold Treble and Bass buttons for 3 seconds to reset Treble, Bass, Center, and
Surround levels to default position
Replace or install new batteries
Point remote control at the right (control) speaker.
Removed any object that is blocking the signal from the remote to the right (control)
speaker next to the LCD display
Switch out the PCM RCA jack on dongle and connect the AC3 jack
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