CD-BK250W/CD-BK2600W/CD-BK270W
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Troubleshooting Chart
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 autho-
rised SHARP dealer or service centre.
General
CD player
Tuner
Cassette deck
Karaoke
Remote control
Symptom
Possible cause
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?
Is the karaoke mode set to "L-CH", "R-CH"
or "V-CANCEL"?
Symptom
Possible cause
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?
Symptom
Possible cause
Radio makes unusual noise con-
secutively.
Is the unit placed near the TV or comput-
er?
Is the FM aerial or AM loop aerial placed
properly? Move the AC power lead away
from the aerial if located near.
Symptom
Possible cause
Cannot record.
Is the erase-prevention tab removed?
Cannot record tracks with proper
sound quality.
Is it a normal tape? (You 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.
Symptom
Possible cause
The vocal part of a multiplexed
disc is not heard.
Is the karaoke mode set to "L-CH", "R-CH"
or "V-CANCEL"?
Symptom
Possible cause
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?
Troubleshooting Chart
If trouble occurs
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.
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 the unit is not restored in the previous operation, unplug and plug in the unit,
and then turn the power on.
Note:
If neither operation above restores the unit, clear all the memory by resetting it.
Clearing all the memory (reset)
1
Press the ON/STAND-BY button to enter the power stand-by mode.
2
Whilst pressing down the button and the X-BASS/DEMO button, press the ON/
STAND-BY button until "CLEAR AL" appears.
Caution:
This operation will erase all data stored in memory including clock, timer settings,
tuner preset, and CD programme.
Before transporting the unit
1
Press the ON/STAND-BY button to turn the power on.
2
Press the CD button.
3
Press the OPEN/CLOSE button to open the disc tray.
Remove all CDs inserted in the unit.
4
Press the OPEN/CLOSE button to close the disc tray.
Make sure that "NO DISC" is displayed.
5
Press the ON/STAND-BY button to enter the stand-by mode, and then unplug
the AC power lead from the AC socket.
Remote Control
Notes concerning use:
Replace the batteries if the operating distance is reduced or if the operation
becomes erratic. Purchase 2 "AA" size batteries (UM/SUM-3, R6, HP-7 or similar).
Periodically clean the transmitter on the remote control and the sensor on the unit
with a soft cloth.
Exposing the sensor on the unit to strong light may interfere with operation.
Change the lighting or the direction of the unit.
Keep the remote control away from moisture, heat, shock, and vibrations.
Test of the remote control
Face the remote control directly to the remote sensor on the unit.
The remote control can be used within the range shown below:
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
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