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Aiwa CX-NMT90 Operating Instructions Manual: Care And Maintenance; Guide

Compact disc stereo system.
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CARE AND MAINTENANCE
TROUBLESHOOTING
GUIDE
Occasional
care and maintenance
of the unit and the software
are needed
to optimize
the performance
of your unit,
To clean the cabinet
Use a soft and dry cloth.
If the surfaces
are extremely
dirty,
use a soft cloth
lightly
moistened
with
mild detergent
solution,
Do not use strong
solvents,
such as alcohol,
benzine
or thinner
as these
could
damage
the finish of the unit.
To clean the heads and tape paths
After every
10 hours of use, clean the heads
and tape paths
with a head cleaning
cassette
or cotton
swab moistened
with
cleaning
fluid or denatured
alcohol.
(These
cleaning
kits are
commercially
available,
)
When cleaning
with a cotton swab, wipe the recording/playback
head, erasure
head (deck 2 only), capstans,
and pinchrollers,
playback
pead
Cotton
swab
——
After
cleaning
the heads
and tape
paths
with
a liquid
head
cleaning
cassette
or a moistened
swab, wait until the cleaned
parts are completely
dry before inserting
the tapes,
To demagnetize
the heads
The heads may become
magnetized
after long-term
use.
This
may narrow
the output
range of recorded
tapes
and increase
noise.
After 20 to 30 hours use, demagnetize
the heads with
any commercially
available
demagnetizer.
Care of discs
When a disc becomes
dirty, wipe the disc from the center out
with a cleaning
cloth,
* After playing
a disc, store the disc in its case. Do not leave the
disc in places that are hot or humid.
Care of tapes
Store tapes in their cases after use.
Do not leave tapes near magnets,
motors,
television
sets, or
any source of magnetism.
This will downgrade
the sound quality
and cause noise.
Do not expose
tapes to direct sunlight,
or leave them in a car
parked
in direct sunlight,
If the unit fails
to perform
as described
Instructions,
check the following
guide,
GENERAL
There is no sound.
Is
the AC cord connected
properly?
Is there a bad connection?
(+ Page 3)
in these
Operating
There may be a short circuit in "th; speaker
terminals.
+
Disconnect
the
AC
cord,
then
correct
the
speaker
connections.
* Was an incorrect
function
button Dressed?
Sound is emitted from one speaker only.
c Is
the other speaker
disconnected?
The output sound is not stereo.
Is
the Karaoke
function
turned
on? (+ page 19)
An erroneous
display or a malfunction
occurs.
+
Reset the unit as stated below.
TUNER SECTION
There is constant, wave-like
static.
Is
the antenna
connected
properly?
(+ page 3)
Is the signal weak?
+ Connect
an outdoor
antenna.
The reception contains noise interferences
or the sound
is distorted.
Is
the system picking up external
noise or multipath
distortion?
+ Change
the orientation
of the antenna.
+
Move the unit away from other electrical
appliances.
CASSETTE
DECK SECTION
The tape does not run.
Is deck 2 in pause mode?
(+ page 11)
The sound is off-balance
or not adequately
high.
Is
the playback
head dirty? (+ page 24)
Recording
is not possible.
Is
the erasure
prevention
tab on the tape broken off? (+ pa~le
12)
Is the recording
head dirty? (+ page 24)
Erasure is not possible.
QIs
the erasure
head dirty? (+ page 24)
Is a metal tape being used?
High frequency
sound is not emitted.
Is
a tape recorded without Dolby NR played back with the Dolby
NR system
operating?
(+ page 11)
Is the recording/playback
head dirty? (+ page 24)
CD PLAYER SECTION
The CD player does not play.
Is the disc correctly
inserted?
(+ page 9)
Is the disc dirty? (+ page 24)
Is the lens affected
by condensation?
+ Wait approximately
one hour and try again,
To reset
If an unusual
condition
occurs
in the display
window
or the
cassette
decks,
reset the unit as follows.
1
Press the POWER
button to turn off the power.
2
Press the POWER
button
to turn the power
back or while
pressing
the W CLEAR
button.
Everything
stored in memory
after purchase
is canceled,
If the power cannot be turned off in step 1 because of a malfunction,
reset by disconnecting
the AC cord, and connect
it again. Then
carry out step 2.
ENGLISH
24

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