CD-CH1000 (serv.man10) - Sharp Audio Service Manual (repair manual). Page 8

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CD-CH1000H/CD-CH1000W
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OPERATION MANUAL
Setting the Clock
In this example, the clock is set for the 24-hour (0:00) display.
1
Press the ON/STAND-BY button to turn the power on.
2
Press the MENU button.
3
Turn the jog dial to select "CLOCK" and within 10 seconds, press
the ENTER button.
4
Turn the jog dial to select the 24-hour or 12-hour display and within
2 minutes, press the ENTER button.
5
Turn the jog dial to adjust the hour and within 2 minutes, press the
ENTER button.
When the 12-hour display is selected, "AM" will change automatically to "PM".
6
Turn the jog dial to adjust the minutes and within 2 minutes, press
the ENTER button.
The hour will not advance even if minutes advance from "59" to "00".
The clock starts from "0" second. (Seconds are not displayed.) The time display
will disappear after a few seconds.
To confirm the time display:
Press the DISPLAY button. The time display will appear for about 3 seconds.
Note:
"CLOCK" will appear or time will flash at the push of the DISPLAY button when the
AC power supply is restored after a power failure or after unplugging the unit. Reset
the clock as follows.
To reset the clock:
Perform "Setting the Clock" from the beginning. At this time, step 4 (for selecting the
24-hour or 12-hour display) will be skipped.
To change the 24-hour or 12-hour display:
Clear all the programmed contents. [Refer to "If trouble occurs (reset)" for details.]
Perform "Setting the Clock" from the beginning. 
"0:00"
The 24-hour display will appear.
(0:00 - 23:59)
"AM 12:00"
The 12-hour display will appear.
(AM 12:00 - PM 11:59)
"AM 0:00"
The 12-hour display will appear.
(AM 0:00 - PM 11:59)
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
authorised SHARP dealer or service centre.
Tuner
Symptom
Radio makes unusual noise con-
secutively.
Remote control
Symptom
The remote control does not op-
erate.
Possible cause
The stereo system is placed near the TV
or computer.
FM/AM loop aerial is not placed prop-
erly. Move the AC power lead away from
the aerial if located near.
Possible cause
Is the AC power lead of the stereo sys-
tem plugged in?
The battery polarity is not respected.
The batteries are dead.
Incorrect distance or angle.
Does the remote control sensor receive
strong light?
General
Symptom
The clock is not on time.
When a button is pressed, the unit
does not respond.
No sound is heard.
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?
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 CrO
2
tape.)
Is there any slack? Is the tape stretched?
Are the capstan, pinch roller, 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.
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
The disc is loaded up-side down.
The disc does not satisfy the standards.
The disc is distorted or scratched.
Is the unit located near excessive vibra-
tions?
The disc is very dirty.
Has condensation formed inside the
unit?
Condensation
Sudden temperature changes, storage or operation in an extremely humid environ-
ment may cause condensation inside the cabinet (CD pickup, tape heads, etc.) or on
the transmitter light-emitting diode 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 condensation on the transmitter light-
emitting diode with a soft cloth before operating the unit.
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