Instrukcja obsługi Dual 506
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Dual 506 (13 stron) w kategorii Niesklasyfikowane. Ta instrukcja była pomocna dla 18 osób i została oceniona przez 9.5 użytkowników na średnio 4.8 gwiazdek
Strona 1/13
Service
Manual
\()
Technical
data
Measured
values
Current
Line
Voltage
Drive
Power
consumption
Sterling
Time
Power
Consumption
Dual
506
Edition
December
1979
typical
values.
Rumble
and
wow
and
flutter
values
obtained
with
test
record.
AC
50
or
60
Hz,
changeable
by
changing
motor
pul
ley
110
—
125
V
or
220
—240
V,
changeable
Dual
8
-pole
synchronous
motor:
precision
flat
belt
for
flyvvheel
drive
approx.
10
watts
(to
each
nominal
speed)
approx.
2
seconds
at
33
1/3
rpm
at
220
V,
50
Hz:
approx.
75
mA
at
117
V,
60
Hz: approx.
140
mA
Platter
Non-magnetic,
detachable,
1.1
kg,
304
mm
Platter
speeds
33
1/3
and
45
rpm
Pitch
Control
Variation
at
both
platter
speeds.Adjustment
range
at
33
1/3
rpm
approx.
1
semitone
(6
%)
Speed
control
(monitoring)
with
stroboscope
for
platter
speeds
33
1/3
and
45
rpm,
adjustable
to
50
or
60
Hz.
Total
Wow
and
Flutter
DIN
±
0.07
%
WRMS
±
0.04
%
Rumble
Unweighted
48
dB
(according
to
DIN
45
500)
Weighted
70
dB
Tonearm
Torsion-resistant
tubular
aluminum
tonearm
in
fourpoint
gimbal
bearing
Tonearm
Bearing
Friction
vertical
0.07 mN
(0.007
g)
(related
to
stylus
tip)
horizontal
0.15
mN
(0.015
g)
Stylus
Pressure
from
0
-
30
mN
(0
-
3
g)
infinitely
variable
with
1
mN
(0-
1.5
g)
operable
from
5
mN
(0.5
g)
stylus
pressure
up
Cartridges
with
1/2
inch
screw-type
attachment.
These
can
be
fitted
with
the
special
accessories
no.
262
186
which
c,an
be
obtained
from
trade
dealers.
Adjustable
overhang
5
mm.
Weight
approx.
4.1
kg
Download from www.dual.de
Not for commerical use
Contents
Page
1
Specification
2
Audio
connection
diagram
3
Motor
and
drive
3
Speed
selection
3
Turntable
3
Belt
3
To
replace
the
motor
pulley
3
Tuning
to
the
Pitch
of
Tone
Level
4
Stroboscope
4
Tone
arm
with
bearings
4
To
remove
the
tone
arm
or
the
spring
housing
4
To
remove
tone
arm
complete
with
bearings
4
To
adjust
the
tone
arm
bearings
5
Fitting
a
1/2
inch
cartridge
5
Tone
arm
lift
5
To
adjust
the
tone
arm
liftheight
5
Anti-skating
device
5
To
replace
the
lift
plate
5
Starting
and
shutting-off
6
Adjustments
6
Segment
6
Pawl
6
Power
switch
6
Troubleshooting
6
Tone
arm
head
not
parallel
to
turntable
6
Turntable
does
not
start
6
Turntable
speed
unsatisfactory
6
Stylus
slips
from
record
groove
6
Tone
arm
improperly
lowered
6
—9
Replacement
parts
with
Exploded
view
10
Lubrication
NOTE:
The
item
numbers
referred
to
in
the
text
are
identical
with
those
in
the
illustrations,
the
exploded
voews,
and
in
the
parts
lists.
Fig.
1
Pick
-up
connection
diagram
Kontaktplatte
Contact
plate
Plaque
de
contacts
/
/
rot
red
rouge
rechter
Kanal
Kurzschl
ießer
Cynchstecker
DIN-Stecker
5-polig
right
channel
Muting
switch
phono
plug
DIN-plug
5
pin
Canal
droit
Court-circu
iteur
fiche
cynch
fiche
DIN
5
pöles
/
1
I I
I
I
grün
/
green
/
vert
schwarz
/
black
/
negro
1.
blau
/
blue
/
bleu
/
\
weiß
/
white
/
blanc
linker
\
Kanal
left
channel
Canal
gauche
•
•
Masse
draht
Mass
lead
Mass
cäble
2
Fig.
2
Motor
and
Drive
Turntable
and
mechanism
are
driven
by
the
motor
132
in
(Fig.
16).
The
shaded-pole
motor
runs
vibration-free
in
radially
elastic
mounts
and
has
an
extremely
low
magnetic
leakage.
The
motor
speed
is
independent
of
voltage,
temperature,
and
load
variations.
lt
can
only
fluctuate
with
the
mains
frequency.
Two
motor
pulleys
adapt
to
the
mains
frequency
of
50
Hz
or
60
Hz
(see
pulley
116
in
Fig.
2).:
Part
no.
234
453
pulley
for
50
Hz
Part
no.
234
454
pulley
for
60
Hz.
The
driving
force
is
transmitted
to
the
turntable
by
the
belt
15.
Speed
Selection
To
adjust
the
turntable
speed
to
33
1/3
or
45
rpm,
the
belt
is
adjusted
to
the
one
or
the
other
step
of
the
motor
pulley
116
(see
Fig.
3).
This
is
done
by
operating
the
knob
16
that
will
shift
the
change-over
lever
into
the
desired
speed
Position
through
the
lever
101
and
the
spring
lever.
As
long
as
the
platter
is
turned
off,
the
change-over
lever
is
blocked
by
the
bar
12
and
the
speed
is
only
pre-selected.
As
soon
as
the
record
player
is
turned
on
and
the
turntable
7
starts
running,
the
blocking
bar
12
will
release
the
change-over
lever.
The
lauer
will
then
shift
the
belt
15
to
the
one
step
of
the
motor
pulley
116
that
corresponds
to
the
desired
speed.
Tumtable
The
turntable
7
is
fixed
to
the
turntable
bearing
tube
by
lock
tab
134.
To
remove
the
turntable,
lift
its
top
layer
through
one
of
the
cutouts
and
rotate
the
turntable
so
that
the
recess
is
above
the
motor
pulley.
Pull
the
belt
15
from
the
pulley
116
and
place
it
onto
the
turntable.
Rotate
the
latter
further
until
the
cutout
is
above
the
lock
tab
134.
Slacken
the
screw
133.
Press
the
holding
bar
134
outwards
and
remove
the
turntable
7.
Belt
To
replace
the
belt,
first
remove
the
turntable
as
above
described,
then
remove
the
belt
15.
Place
the
nevv
belt
on
the
pulley
part
of
turntable
7.
NOTE:
the
ground
(mat)
side
of
the
belt
should
face
the
pulley.
Install
the
turntable.
Place
the
belt
onto
the
motor
pulley
116.
To
Replace
the
Motor
Pulley
1.
Remove
belt
15
from
pulley
116
and
remove
the
turntable.
Remove
the
toothed
belt
109.
2.
Disengage
the
tension
spring
114
from
the
shield
122.
3.
Unscrew
the
hex.
nut
110.
Remove
the
set
cam
111,
belt
pulley
112,
and
counter
bearing
113.
4.
Slacken
the
grub
screws
117
and
slide
off
the
motor
pulley
116.
Place
the
replacement
pulley
onto
motor
shaft.
Remove
the
taper
sleeve.
Pay
attention
to
the
internal
distance
spring.
Position
the
motor
pulley
at
proper
height
above
the
mount-
ing
plane
—
see
Fig.
3—
and
uniformly
tighten
the
grub
screvvs
117.
Place
the
taper
sleeve
into
the
motor
pulley
116.
5.
Mount
the
counter
bearing
113,
the
belt
pulley
2
112,
and
the
setting
cam
111,
tighten
with
hex.
nut
110.
Replace
ten-
sion
spring
114
and
toothed
belt
109.
Mount
the
turntable
7.
Place
belt
15
onto
motor
pulley
116.
6.
To
adjust
the
rated
speed:
adjust
the
knob
16
to
its
mid
position.
Slacken
or
tighten
the
hex.
Nut
110
to
achieve
the
rated
speed.
Tuning
to
the
Pitch
of
Tone
Level
This
tuning
feature
is
independent
of
the
power
and
controls
both
turntable
speeds.
For
33
1/3,
the
control
range
is
max.
6%
or
about
1
seminote.
113
8
12
22
-117
------116
Fig.
4
110
111
112
109
114
117
119
115
Fig.
5
r
4
113
116
117
8
12
110
-125V
1
30
sw
3
Specyfikacje produktu
| Marka: | Dual |
| Kategoria: | Niesklasyfikowane |
| Model: | 506 |
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