CD-DVD500 - Sharp Audio User Guide / Operation Manual. Page 71

CD-DVD500H

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.

■

●

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.

●

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?

■

●

The remote control does not op-
erate.

●

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?

■

●

Radio makes constant unusual
noise or static.

●

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.

■

●

Cannot record.

●

Cannot record tracks with proper
sound quality.

●

Cannot erase completely.

●

Sound skipping.

●

Cannot hear treble.

●

Sound fluctuation.

●

Cannot remove the tape.

●

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.

■

●

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.

●

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?