CD-C621H (serv.man2) - Sharp Audio User Guide / Operation Manual. Page 28

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TAPE 1
TAPE 2
2
1,2
RESETTING THE MICROCOMPUTER
Reset the microcomputer under the following conditions:
To erase all of the stored memory contents (clock and timer
settings, and tuner and CD presets).
If the display is not correct.
If the operation is not correct.
1
Press the ON/STAND-BY button to enter the stand-by mode.
2
Whilst pressing down the 
5 / 3
 button and the 
2 / 4
button, hold down the ON/STAND-BY button for at least 1
second.
Caution:
The operation explained above will erase all data stored in
memory including clock and timer settings, and tuner and CD
presets.
MAINTENANCE 
Internal care
Dirty heads, capstans or pinch rollers can cause poor sound
and tape jams. Clean these parts with a cotton swab moist-
ened with commercial head/pinch roller cleaner or isopropyl
alcohol.
After long use, the deck’s heads and capstans may become
magnetised, causing poor sound. Demagnetise these parts
once every 30 hours of playing/recording time by using a com-
mercial tape head demagnetiser. Read the demagnetiser’s in-
structions carefully before use.
External care
Periodically wipe the cabinet with a soft cloth and a diluted
soap solution, then wipe with a dry cloth.
Do not use chemically treated cleaning cloths or other chemi-
cals.
CD-C621H(SUK) TINSE0245AWZZ
27
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