CD-XP300 (serv.man6). Troubleshooting from - Sharp Audio Service Manual (repair manual)

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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. 

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 or the 
unit 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? (Yo u cannot record on 
a metal 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.

If such a problem occurs, do the following:
1

Set the unit to the stand-by mode and turn the power on again.

2

If neither operation above restores the unit, clear all the memory by resetting it.
 

1

Press the ON/STAND-BY button to enter the power stand-by mode.

2

Whilst pressing down the CLOCK button and the EQUALIZER/X-BASS/DEMO
button, press the ON/STAND-BY button until "CLEAR AL" appears.

 

On the back of this unit is equipped with a transport screw in order to prevent damage
during transportation.

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.

Check the remote control after checking all connections have been made correctly.

Point the remote control directly at the remote sensor on the unit.

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

0.2 m - 6 m
(8" - 20')

Remote sensor