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CD-DVD500H
ENGLISH
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References
– T
roubleshooting chart –
Troubleshooting chart
Many potential “problems” can be resolved by the owner without calling a service tech-
nician. If something is wrong with this product, check the following before calling your
authorised SHARP dealer or service centre.
■
General
Symptom
●
The clock is not accurate.
●
When a button is pressed, the unit
does not respond.
●
No sound is heard.
●
The balance between the left and
right channels is bad.
●
Hum or excessive noise.
●
No sound is heard, or the sound
is too low, from the centre or sur-
round speakers.
●
The timer indicator is flashing.
Possible cause
●
Did a power failure occur?
Reset the clock. (Refer to page 16.)
●
Set this unit to the power stand-by mode
and then turn it back on.
●
If the unit still malfunctions, reset it.
(Refer to page 72.)
●
Is the volume level set to “0”?
●
Are the headphones connected?
●
Are the speaker wires disconnected?
●
Are the front and surround speakers
connected to the wrong channels?
●
If an external unit is connected, are the left
and right channels connected improperly?
●
Is the speaker lead plugged in incorrectly?
●
Does the speaker lead run past other
electronic equipment?
●
Are the plugs or terminals dirty?
●
Is the “speaker size” item set to “NO” in
the “setup” operation (page 43)?
●
Is the volume too low?
●
Is the speaker wire shorted?
●
Was the unit used at high volume for
many hours?
■
Remote control
Symptom
●
The remote control does not op-
erate.
Possible cause
●
Is the AC power lead of the unit un-
plugged?
●
Is the battery polarity wrong?
●
Are the batteries dead?
●
Is the distance or angle incorrect?
●
Does the remote control sensor receive
strong light?
■
Tuner
Symptom
●
Radio makes constant unusual
noise or static.
Possible cause
●
Is the unit placed near the TV or com-
puter?
●
Is the FM aerial or AM loop aerial placed
improperly?
Move the AC power lead away from the
aerial if located near.
■
Cassette deck
Symptom
●
Cannot record.
●
Cannot record tracks with proper
sound quality.
●
Cannot erase completely.
●
Sound skipping.
●
Cannot hear treble.
●
Sound fluctuation.
●
Cannot remove the tape.
Possible cause
●
Is the erase-protection tab removed?
●
Is it a normal tape?
(You cannot record on a metal or CrO
2
tape.)
●
Is there any slack?
●
Is the tape stretched?
●
Are the capstans, pinch rollers, or heads
dirty?
●
If a power failure occurs during playback,
the heads remain engaged with the tape.
Do not open the compartment forcibly.
Wait until electricity resumes.
■
DVD/CD player
Symptom
●
No image from the DVD video
appears on the screen of a con-
nected device.
●
Playback does not start.
●
Playback stops in the middle or is
not performed properly.
●
Playback sounds are skipped, or
stopped in the middle of a track.
Possible cause
●
Make sure the channel of the connected
TV is set to VIDEO or AV.
●
Make sure video cables are connected
correctly.
●
Is the disc loaded upside down?
●
Does the disc dissatisfy the standards?
●
Is the disc distorted or scratched?
●
Is the unit located near excessive vibrations?
●
Is the disc very dirty?
●
Has condensation formed inside the unit?