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● TROUBLESHOOTING
Before requesting service, please check the following.
Symptom Check Remedy
The unit will not turn on.
• Is the power cord plugged into the
outlet?
• Connect the power plug to the outlet.
A function does not work
when the button is pressed.
• Is there static electricity in the air? • Disconnect the power plug and
connect it again.
Sound is not produced.
• Are the speakers and external
components connected properly?
• Is the Mute function on?
• Is the volume set to minimum?
• Is the Speaker Size set incorrectly to
NONE?
• Connect them correctly.
• Press the MUTE button to cancel the
function.
• Adjust the volume.
• Refer to pages 34 to select LARGE,
SMALL or YES.
Picture does not appear on a
TV when the function is
selected.
• Is the external component connected
properly?
• Connect it correctly.
Remote controller does not
work.
• Are the batteries drained?
• Is the distance between remote
control and main unit too great?
• Replace with new batteries.
• Operate at close distance.
The sound from the left/right
channels is reversed.
• Are the left/right speaker or left/right
input/output cables connected
properly?
• Check the left/right channel and
connect it/them correctly.
Can't receive radio
broadcasts.
• Is FM antenna connected properly? • Connect the antenna correctly.
• If the input strength of antenna signal
is weak, install the FM antenna in a
place with good reception.
There is no sound from
surround speakers.
• Are the surround speakers connected
properly?
• Is SURR (surround) incorrectly set to
NONE in the Speaker Size?
• Is surround mode set to stereo?
• Refer to pages 14 ~16 to connect
them properly.
• Refer to page 34 to select LARGE or
SMALL.
• Refer to pages 45~46 to select proper
Surround Mode.
There is no sound from
surround back speakers
• Are the surround back speakers
connected properly?
• Is SBACK (Surround Back) set to
NONE in the Speaker Size?
• Is Surround Mode set to EX/ES?
• Refer to pages 14 ~16 to connect
them properly.
• Refer to page 34 to select LARGE
or SMALL.
• Refer to page 41 to set Surround
Mode to EX/ES.
Can't select EX/ES mode.
• Is SBACK (Surround Back) set to
NONE in the Speaker Size?
• Is the input signal selected properly?
• Refer to page 34 to select LARGE or
SMALL.
•
Use a 7.1 channel external component.
Troubleshooting
HW-C700-C770S-C770BS-XAC_0616.in55 55HW-C700-C770S-C770BS-XAC_0616.in55 55 2010-06-17 10:08:082010-06-17 10:08:08