
CD-SW250DVD
E-70
References
ENGLISH
Troubleshooting chart
Many potential “problems” can be resolved by the owner without calling a ser-
vice technician. If something is wrong with this product, check the following
before calling your authorised SHARP dealer or service centre.
H
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.
●
The timer indicator is
flashing.
Possible cause
●
Did a power failure occur?
Reset the clock. (Refer to page 19.)
●
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 71.)
●
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 volume too low?
●
Is the speaker wire shorted?
●
Was the unit used at high volume for many hours?
H
Tuner
Symptom
●
Radio makes constant
unusual noise or
static.
Possible cause
●
Is the unit placed near the TV or computer?
●
Is the FM aerial or AM loop aerial placed
improperly?
Move the AC power lead away from the aerial if
located near.
H
DVD/CD player
Symptom
●
No image from the DVD
video appears on the
screen of a connected
device.
●
Playback does not start.
●
Playback stops in the
middle or is not per-
formed 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?
H
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.
SW250DVD_70-74_EN+
27/4/05, 11:06 AM
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