Samsung HT-AS720ST-XAA - Manual (Page 47)

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