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HM-331 (En/T)
45
Knowledge section
RemedyCauseSymptom
CD player section
÷ Place the disc properly, with the label
side facing upward.
÷ Place the disc properly.
÷ Clean the disc referring to “Disc han-
dling precautions”.
÷ Try another disc.
÷ Refer to “Caution on condensation” and
remove the condensation by evaporation.
÷ Place a disc in the CD player.
÷ Press the 6 key.
÷ Clean the disc referring to “Disc han-
dling precautions”.
÷ Try another disc.
÷ Clean the disc referring to “Disc han-
dling precautions”.
÷ Try another disc.
÷ Install the unit in a place not subject to
vibrations.
A CD is placed in the player but
it cannot be played.
Sound is not produced.
Sound skips.
÷ The disc is placed upside down.
÷ The disc position is displaced.
÷ The disc is extremely dirty.
÷ The disc is scratched.
÷ Dew is condensed on the optics lens.
÷ The disc has not been placed.
÷ The player is not put to the play mode.
÷ The disc is extremely dirty.
÷ The disc is scratched.
÷ The disc is dirty.
÷ The disc is scratched.
÷ The player is subject to vibration.
5
e
5
5
Remote control unit
Symptom Cause Remedy
Remote control operation is
not possible.
÷ Batteries are exhausted.
÷ The remote control is too far away from
the system, the controlling angle is devi-
ated or there is an obstacle in between.
÷ The component to be played is not loaded
with a CD or cassette tape.
÷ Replace with new batteries.
÷ Operate the unit inside the remote con-
trollable range.
÷ Load a CD or cassette tape in the com-
ponent to be played.
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In case of difficulty