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Denon DRW-5830 Service Manual page 9

Stereo cassette tape deck

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TROUBLESHOOTING . . .. ——
Check
the foflowing
before
you draw
the conclusion
that your Stereo Cassette
Deck is malfunctioning.
1. Are all the connections correct?
2.
Are all system
components
being operated
correctly in accordance
with the operating
instructions?
3.
Are the speakers
and amplifier/receiver
functioning
correctly?
if the tape deck still does not function properly, check the symptom against the list below. If the symptom does not correspond to the check list, please contact
your DENON
dealer.
Seeds
seins
Problem
Cause
Remedy
Tape does
not run
«
Power
cord is disconnected.
@
Check
power
cord.
«
Tape
is loose.
e
Tighten
tape with a pencil, etc.
Cassette
is not toaded
properly.
e@
Load cassette
properly.
«
Defective cassette.
®
Replace cassette.
Tape is not recorded when REC/REC MUTE (@}
e
No cassette
is loaded.
@
Load
cassette.
button
is pressed
e
Erase
prevention
tabs are broken
off.
e
Cover
holes with
adhesive
tape.
Sound
is warbled
and
distorted.
«
Heads,
capstan
or pinch roller ara dirty.
e
Clean
them.
@
Tape is wound
too tight
@
Fast
forward
of
rewind
to
jioosen
tape
winding.
e
Recording
input level is too high.
e
Adjust
recording
input levet.
e
Tape
is worn
out and has
"drop-outs".
e
Replace
tape.
Excessive
noise
e
Tape
is worn.
e@
Roplace
them,
@
Heads,
capstan
or pinch
roller are dirty.
e
Cloan them
e
Heads
ara magnetized.
e
Demagnetize
heads.
*@
Recording
input level is too tow.
e
Adjust
recording
input level.
High frequency
range
(treble)
is emphasized.
Dolby
NR switch
is set improperly.
Set Dolby NR Switch
properly.
High frequency
range
(treble)
is lost.
Heads
are dirty.
Tape is worn.
Clean them.
Replace tape.
The cassette tape cannot be removed
L..
.
See
ew,
igh
eee
If the POWER switch is turned off either
during recording or playback and the unit is
stopped,
there
may
be cases
when
the
cassette
cannot
be removed,
even
if the
EJECT
( &
} button
is pressed
Turn the POWER switch ON (=) again, and
then press the STOP { MM} button.
Now, press the EJECT { & | button to
remove the cassette tape.
SPECIFICATIONS —__
Type
Vertical tape loading; 4-track 2-channel
Input
stereo dorible cassette dock
UNE
Heads
Play back head x 1 recording/playback head x 1
Erase head (Double-gap ferrite} x 1
Output
Motors
DC servo motor x 2
LINE
Tape Speed
4.8 cm/sec.
Fast Forward,
Rewind Time
Approx.
100 sec. with a C-60 cassette
PHONES
Recording Bias
Approx 106 kHz
Overall
S/N Ratio
{at 3% THD levet)
Dolby C NR on; more than 74 dB (CCIR/ARM)
Power Supply
Overall Frequency
Power Consumption
Response
20 - 17,000 Hz +3 dB (at ~20 dB, Metal tapo)
Dimensions
Channel Seperation
Wow & Flutter
Moro than 40 dB {at 1 kHz)
0.08% WAMS, +0.14% w. peak
Weight
80 mV {~20 dBm) Input fevel at maximum
Input impedance: 50 kQ/kohms unbalanced
775 mV (0 dB) output fevel at maximum
{with 47 kQ/kohms load, recorded level of
200 pwb/mm)
1,2 mW output level at maximum
{optimum load impedance
8 Q/ohms ~ 1.2kQ/kobms)
60 Hz, voltage is shown on rating tabel
16W
434 (W) x 136 (H} x 263 (0} mm
{17-3/32" x 0-00/00" x 00-00/00"}
4.0 kg (00 Ibs)
* Above
specifications
and design
are subject to change
without
prior notice.
Best
results will bo obtained
with
use
of DENON
GR
Series cassetie
topes.
Dolby noise reduction and HX Pro headroom
extension manufactured under ficense from Dolby Laboratories Licensing Corporation. HX Pro originated by
Bang & Olufsen.
"DOLBY",
the doubie-D
symbol 0G and
"HX
PRO"
are trademarks
of Dolby Laboratories
Licensing
Corporation.
AB

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