Sharp CD-M10000W Service Manual page 8

Mini component system / speaker system
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CD-M10000W/CP-M10000
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 autho-
rised SHARP dealer or service centre.
General
Symptom
The clock is not on time.
When a button is pressed, the unit
does not respond.
No sound is heard.
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.
Tuner
Symptom
Radio makes unusual noise con-
secutively.
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 su ch a problem occu rs, do th e 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 MONSTER-BASS 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 th e ON/STAND-BY butt on to tu rn th e power on.
2 Press th e CD butto n.
3 Press th e
OPEN/CLOSE butto n to open th e disc tray.
Remove all CDs inserted in the unit.
4 Press th e
OPEN/CLOSE butto n to cl ose the disc tray.
Make sure that "NO DISC" is displayed.
5 Press th e ON/STAND-BY butto n to enter th e stand-by mode,and then unplug
th e AC power lead fro m the wall so cket.
All manuals and user guides at all-guides.com
Possible cause
Did a power failure occur? Reset the
clock.
Set this unit to the power stand-by mode
and then turn it back on.
If the unit still malfunctions, reset it.
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"?
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
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.
– 8 –
Cassette deck
Symptom
Cannot record.
Is the erase-prevention tab removed?
Cannot record tracks with proper
Is it a normal tape? (You cannot record on
sound quality.
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.
Karaoke
Symptom
The vocal part of a multiplexed
Is the karaoke mode set to "L-CH", "R-CH"
disc is not heard.
or "V-CANCEL"?
Remote control
Symptom
The remote control does not oper-
Is the AC power lead of the unit plugged
ate.
in?
Is the battery polarity respected?
Are the batteries dead?
Is the distance or angle incorrect?
Does the remote control sensor receive
strong light?
Remote control
Test of the remote control
Check the remote control after checking all connections have been made correctly.
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.
.
Possible cause
Possible cause
Possible cause
Remote sensor
0.2 m - 6 m
(8" - 20')

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