Troubleshooting - Daewoo DHC-X150E Instruction Manual

Digital home cinema system
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Troubleshooting

Check the following guide for the possible cause of a problem before contacting service. Refer also to the respective instruction
manuals of the connected components and TV.
Symptoms
The machine doesn't switch on.
• The power cord is disconnected.
• There is external noise in the computer circuits
of the machine.
• The AC fuse is blown.
No sound is reproduced.
• The muting function is activated.
• The machine is not properly connected.
• The amplifier protection circuitry has activated.
No sound or very little sound is
• The speakers are not properly connected.
reproduced from the center speaker.
• The surround mode is set to "STEREO"
• The channel level of "CENTER" is setted to
minimum.
No picture appears on the TV screen.
• The TV is not set to receive the output signals
from the machine.
• The video cable is not connected securely.
• Only S video connection is made.
The sound of the playback source is
• Another input source is selected.
not heard.
The buttons on the remote controller
• Power supply fluctuations or other abnormalities
and machine do not operate.
such as static electricity may interrupt correct
operation.
The machine does not start playback.
• No disc is inserted.
• The region number of the disc is unmatched to
the machine.
• An unplayable disc is inserted.
• The disc is placed upside down.
• The disc is not placed within the disc tray guide.
• The disc is dirty.
• The parental lock function is activated.
Brightness is unstable or noise is
• Copy protection is activated.
visible on playback picture.
The playback picture is occasionally
• The disc is dirty.
distorted.
• It is in fast forward or fast reverse playback.
Playback doesn't follow the course of
• The machine is in repeat playback mode,
the disc's programs.
memory playback mode, or random playback
mode, etc.
The picture from the machine doesn't
• The TV is not set to receive the output signals
appear on the TV screen.
from the machine.
38
Causes
Remedies
• Check the connection of the power cord.
• Disconnect the power cord, then connect it again.
• Contact your nearest service center.
• Deactivate the muting function.
• Check the connections to the machine.
• Contact your nearest service center.
• Check the speaker connections.
• Select the appropriate surround mode.
• Set the channel level of "CENTER" to approprite
level.
• Set the TV to the machine's input.
• Check the connections between the machine and
TV set.
• Make also video connection.
• Select the appropriate input source.
• Disconnect the power cord, the connect it again.
• Insert a disc. (Check that "DVD," "VCD," or
"CD" is lit in the machine's display.)
• Only discs with the machine's playable region
code(See region code of the machine's rear
panel) or
, or with no region number can be
played by the machine.
• Check the playable discs.
• Place the disc with the playback side down.
• Place the disc within the proper guide on the disc
tray.
• Eject the disc and clean it.
• Deactivate the parental lock function or change
the parental lock level.
• Connect the machine directly to the TV. Avoid
connecting the machine to the TV through a VCR.
• Eject the disc and clean it.
• Sometime a small amount of picture distortion may
appear. This is not a malfunction.
• Resume normal playback.
• Set the TV to the machine's input.
Troubleshooting
Symptoms
Too much noise is heard or sound is
• FM stereo waves may produce a hiss noise
interrupted occasionally. ("STEREO"
when a certain level is reached.
indicator does not light steadily.)
• The position or direction of the FM antenna is
incorrect.
• The station is too weak.
Sound is distorted or sound volume
• The radio wave is distorted.
decreases.
• Cars are running or airplanes are flying near the
house.
Sound is excessively distorted.
• There is a tall building or a mountain nearby.
[The waves transmitted from the transmission
center (direct waves) and the waved diffracted
by buildings or mountains (diffraction waves)
interfere with each other causing multi pass
distortion.]
The buttons on the machine operate
• No batteries are inserted in the remote controller.
but the buttons on the remote
• The batteries are worn out.
controller do not operate.
• The remote controller is not pointed at the
remote sensor of the machine.
• The remote controller is too far from the
machine.
Accessories
ENTER
4
5
Causes
Remedies
• Switch the frequency receiving mode to mono.
• Lower the treble level.
• Adjust the position, height, and direction of the FM
antenna.
• Connect an outdoor FM antenna. Try to use an
antenna with more elements. (For installation of
the outdoor antenna, consult your nearest dealer
as it requires special skills and experience.)
• Insert new batteries.
• Replace with new batteries.
• Point the remote controller at the remote sensor of
the machine.
• Operate the remote controller within 5 m.
39

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Dhc-x100e

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