CD-BA250 (serv.man10) - Sharp Audio Service Manual (repair manual). Page 7

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Face the remote control directly to the remote sensor on the unit.

Press the ON/STAND-BY button. Does the power turn on? Now, you can enjoy the
music.

Many potential "problems" can be resolved by the owner without calling a service
technician.
If something is wrong with this product, check the following before calling your author-
ised SHARP dealer or service centre.

The clock is not on time.

Did a power failure occur? Reset the
clock.

When a button is pressed, the unit
does not respond.

Set this unit to the power stand-by mode 
and then turn it back on.

If the unit still malfunctions, reset it. Refer 
to step 3 under "If trouble occurs" 

No sound is heard.

Is the volume level set to "0"?

Are the headphones connected?

Are the speaker wires disconnected?

Playback does not start.

Is the disc loaded upside down?

Playback stops in the middle or is
not performed properly.

Does the disc satisfy the standards?

Is the disc distorted or scratched?

Playback sounds are skipped, or
stopped in the middle of a track.

Is the unit located near excessive vibra-
tions?

Is the disc very dirty?

Has condensation formed inside the unit?

Radio makes unusual noise con-
secutively.

Is the unit placed near the TV or compu-
ter?

Is the FM aerial or AM loop aerial placed
properly? Move the AC power lead away
from the aerial if located near.

Cannot record.

Is the erase-prevention tab removed?

Cannot record tracks with proper
sound quality.

Is it a normal tape? (You cannot record on 
ametal or CrO   tape.)

Cannot erase completely.

Sound skipping.

Is there any slack?

Is the tape stretched?

Cannot hear treble.

Are the capstans, pinch rollers, or heads
dirty?

Sound fluctuation.

Cannot remove the tape.

If a power failure occurs during playback,
the heads remain engaged with the tape.
Do not open the compartment forcibly.
Wait until electricity resumes.

The remote control does not oper-
ate.

Is the AC power lead of the unit plugged 
in?

Is the battery polarity respected?

Are the batteries dead?

Is the distance or angle incorrect?

Does the remote control sensor receive
strong light?

Sudden temperature changes, storage or opera-
tion in an extremely humid environment may
cause condensation inside the cabinet (CD pick-
up, tape heads, etc.) or on the transmitter on the
remote control.
Condensation can cause the unit to malfunction.
If this happens, leave the power on with no disc 
(or cassette) in the unit until normal playback is 
possible (about 1 hour). Wipe off any condensa-
tion on the transmitter with a soft cloth before op-
erating the unit.

When this product is subjected to strong external interference (mechanical shock,
excessive static electricity, abnormal supply voltage due to lightning, etc.) or if it is
operated incorrectly, it may malfunction.

This operation will erase all data stored in memory including clock, timer settings,
tuner preset, and CD programme.
 
 

Press the ON/STAND-BY button to enter the power stand-by mode.
Whilst pressing down the   /   button and the X-BASS/DEMO button, press
the ON/STAND-BY button until "CLEAR AL" appears.

Press the   OPEN/CLOSE button to open the disc tray.
Remove all CDs inserted in the unit.

Press the   OPEN/CLOSE button to close the disc tray.
Make sure that "NO DISC" is displayed.