Sharp CD-ES770 Operation Manual page 33

Cassette deck
Symptom
Cannot record. Is
removed?
Cannot record tracks with Is it a normal tape? (You cannot
proper sound quality. 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 with great
force.
Remote control
Symptom
The remote control does Is the AC power cord of the unit
not operate. plugged in?
Is the battery polarity correct?
Are the batteries dead?
Is the distance or angle
incorrect?
Does the remote control sensor
receive strong light?
Possible cause
the erase-prevention tab
Possible cause
Tuner
Symptom
The radio makes unusual
noises continuously.
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 While pressing down the
button, press the PRESET
appears.
Caution:
This operation will erase all data stored in memory including clock,
timer settings, tuner preset, and CD program.
Possible cause
Is the unit placed near the TV or
computer?
Is the FM antenna or AM loop
antenna placed properly? Move
the antenna away from the AC
power cord if it's located nearby.
button and the X-BASS/DEMO
button until "CLEAR AL"
CD-ES770
33