40
References
– Troubleshooting 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
authorized SHARP dealer or service center.
■
Tuner
Symptom
● Radio makes unusual noise con-
secutively.
Possible cause
● Is the unit placed near the TV or com-
puter?
● Is the FM/AM loop antenna placed prop-
erly?
Move the AC power cord away from the
antenna if located near.
■
General
Symptom
● The clock is not on time.
●
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 center or sur-
round speakers.
● The TIMER indicator is flashing.
■
CD player
Symptom
● 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
● Is the disc loaded upside down?
● Does the disc satisfy the standards?
● Is the disc distorted or scratched?
● Is the unit located near excessive vibra-
tions?
● Is the disc very dirty?
● Has condensation formed inside the
unit?
Possible cause
● Did a power failure occur?
Reset the clock. (Refer to page 17.)
● 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 42.)
● 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 correct left and right
channels?
● If an external unit is connected, are the
left and right channels connected prop-
erly?
● Is the speaker cord plugged in correctly?
● Does the speaker cord run past other
electronic equipment?
● Are the plugs or terminals dirty?
● Is the “SP SIZE” item set to “NO” in the
“SET UP” operation (page 31)?
● Is the volume too low?
● Is the speaker wire shorted?
● Was the unit used at high volume for
many hours?
■
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 CrO2
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.
