Instrukcja obsługi Dual 621
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Dual 621 (18 stron) w kategorii Niesklasyfikowane. Ta instrukcja była pomocna dla 17 osób i została oceniona przez 9 użytkowników na średnio 4.4 gwiazdek
Strona 1/18
Dual
Edition
August
1978
621
Service
-
Manual
eutornetic
1
q
,
lECT
DRIVE
Dual
Gebrüder
Steidinger
•
7742
St.
GeorgenISchwarzwald
Download from www.dual.de
Not for commerical use
Co
ntents
Page
2
Technical
data
3/4
Wiring
diagram
5
Audio
connection
diagram
6
Dual
EDS
500
electronic
direct
drive
System
6
Replacement
of
motor
electronic
6
Replacement
of
motor
mechanic
7
Adjustment
of
nominal
speeds
7
Setting
78
rpm
nominal
speed
7
Stroboscope
7
Pitch
control
8
Tonearm
and
tonearm
suspension
8
Removal
of
tonearm
from
bearing
frame
8
Removal
of
tonearm
compl.
with
tonearm
suspension
8
Removal
of
spring
housing
9
Adjustment
of
tonearm
suspension
9
Antiskating
control
9
Cue
control
9
Replacement
of
cue
control
assembly
10
Tonearm
Control
10
Continuous
Play
10
Start
10
Manuel
Start
11
Stopping
11
Muting
Switch
11
Shutt-off
Mechanism
11
Adjustment
Points:
Tonearm
set
Down
Point
Shut
off
Point
12
Tonearm
vertical
lift
12
Power
switch
12
Pick
-up
Head
not
Parallel
Correct
nominal
speed
obtained
only
at
13
extreme
setting
of
pitch
control
13
Stylus
slips
out
of
record
groove
Tonearm
does
not
set
down
or
lowers
13
onto
record
too
quickly
13
Vertikal
Tonearm
lift
13
Platter
does
not
start
13
Tonearm
does
not
set
down
correctly
Motor
does
not
shutt-off
Acoustic
feedback
14
—
17
Replacement
with
exploded
views
18
Lubrication
Technical
Data
Current
AC
50
to
60
Hz
Line
voltage
110
to
125
V,
220
to
240V
Drive
electronically-regulated
direct-drive
system,
Dual
EDS
500
Power
input
approximately
2
watts,
Motor
at
playing
Operation
<
50
mW
Power
consumption
220
V
50
Hz:
at
play
15
mA
110
V
60
Hz:
at
play
approximately
25
mA
Time
from
start
to
rated
speed
2
—
2.5
s
at
33
1/3
rpm
Platter
non-magnetic,
dynamically
balanced,
detachable
1.3
kg,
304
mm
diameter
Platter
speed
33
1/3
and
45
rpm,
electronically
adjustable
Pitch
control
Separate
for
both
speeds,
each
adjustable
by
means
of
variable
resistor,
with
calibration
scale;
range
of
regulation:
10
%
Speed
control
(monitoring)
with
illuminated
stroboscope
for
platter
speeds
33
1/3
and
45
rpm,
adjustable
to
50
or
60
Hz.
Sensitivity
of
the
illuminated
strobe
6
division
markings
per
minute
at
50
Hz,
(for
0.1
%
speed
deviation)
7.2
division
markings
per
minute
at
60
Hz,
Total
wow
and
flutter
according
to
DIN
45
507
(German
Industry
Standard)
<-±
0.06%
Rumble
Unweighted:
>
45
dB
(according
to
DIN
45
5001
Weighted:
>
65
dB
Tonearm
Torsionally
rigid
tubular
aluminum
tonearm
in
low-friction
four-point
gimbal
suspension,
tonearm
counterbalance
with
two
mechanical
anti-resonance
filters.
Effective
length
of
tonearm
222
mm
Offset
angle
25°
20'
Tangential
tracking
error
0.16
0
/cm
Tonearm
bearing
friction
vertical
<
0.07
mN
10.007
g)
(related
to
stylus
tip)
horizontal
<
0.16
mN
(0.016
g)
Stylus
pressure
from
0
to
30
mN
10
to
3
g)
infinitely
variable
with
1
mN-
11/10
g)
calibrations
from
0
to
15
mN
(0
to
1.5
g)
,
operable
from
2.5
mN
10.25
g)
stylus
pressure
up.
Cartridge
holder
removable,
accepting
any
cartridges
with
1/2"
mounting
and
a
weight
from
4.5
to
10
grams
(including
mounting
hardware).
Adjustable
Overhang
5
mm
Cartridge
see
separate
data
sheet
Mounting
dimensions
and
mounting
board
cut
out:
see
Installation
instructions
2
Fig.
1
D
1
A
cl
47
bi
1.1
2
66
2/3
Hz
(33
minl)
C2
C3
220p
0,47
p
R3
68
k
R2
G2
R6
R4
22
k
10
k
82
k
C4
0,47
µ
•
R
1
1
M
Ti
R5
1
M
--
1
G
1
BC
172
Transistoren
von
der
Anschlußseite
gesehen
Transistors
as
seen
from
the
connecting
side
Transistors
vus
du
cöte
des
connexions
LILJL
EBC
BD
415
E
•
rl
•
C
BC
172
BC
238
C
C5
—
10
n
C6
in
G3
n
33
—C
7
—
1
n
G4
4*
R8
10k
R7
47
k
T2
BC
172
B
C
8
T
0,22
bt
IC
von
der
Bestückungsseite
gesehen
as
seen
from
the
top
side
vu
du
cöte
elüments
4069
555
1
2
5
3
6
8
4
7
1
4
2
3
8
3
Specyfikacje produktu
| Marka: | Dual |
| Kategoria: | Niesklasyfikowane |
| Model: | 621 |
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