47
ENG
Before calling for service
Symptom
Check
Remedy
The unit will not turn on.
A function does not work
when the button is pressed.
Sound is not produced.
Picture does not appear on a TV
when the function is selected.
•
Is the power cord plugged into the outlet?
•
Is there static electricity in the air?
•
Are the speakers and external
components connected properly?
•
Is the Mute function on?
•
Is the volume set to minimum?
•
Is the speaker setup set incorrectly to
NONE?
•
Is the external component connected
properly?
•
Connect the power plug to the outlet.
•
Disconnect the power plug and connect it
again.
•
Connect it correctly.
•
Connect them correctly.
•
Press Mute button to cancel the function.
•
Adjust the volume.
•
Refer to pages 22~23 to select LARGE,
SMALL or YES.
There is no sound from
center speaker
•
Is the center speaker connected properly?
•
Is CEN (center) incorrectly selected to
NONE in speaker setup?
•
Is the surround mode selected to stereo?
•
Refer to pages 12~13 to connect it properly.
•
Refer to pages
22~23
to select LARGE or
SMALL.
•
Refer to pages 31~37 to select other
Surround Modes.
Remote controller does
not work.
There is no sound from
surround speakers.
The sound from the
left/right channels is
reversed.
Can't receive radio
broadcasts.
•
Is FM antenna connected properly?
•
Are the batteries drained?
•
Is the distance between remote
control and main unit too great?
•
Is the surround speaker connected
properly?
•
Is SURR (surround) incorrectly set to
NONE in speaker setup?
•
Is surround mode set to stereo?
•
Refer to pages 12~13 to connect them
properly.
•
Refer to pages
22~23
to select LARGE or
SMALL.
•
Refer to pages 31~37 to select proper
Surround Mode.
•
Replace with new batteries.
•
Operate at close distance.
•
Connect the antenna correctly.
•
If the input strength of antenna signal is
weak, install the FM antenna in a place
with good reception.
•
Are the left/right speaker or left/right
input/output cables connected
properly?
•
Check the left/right channel and connect
it/them correctly.
MISCELLANEOUS
HT-AS720S-XAA-ENG 2007.8.21 6:8 PM Page 47