Dual 1211 Service Manual

Contents
Seite
Technical data
1
Tonearm hookup
schematic
2
Motor and drive
4
Pitch Control
5
Turntable
does not turn when unit is
plugged
in and
"start"
switch operated
5
Turntabel does not came up to speed
5
Rumble in reproduction
5
Correct
nominal speed
obtained only at
extreme
settings of pitch
control 5
The tonearm and
its suspension
6
Instructions to
replace the complete
tonearm and bearing
assembly
6
Replacement
of tonearm
6
Tonearm head is
not parallel to
turntable platter
7
Stylus skips
7
Tonearm sets down beside tonearm rast
7
Horizontal pivot friction too high
7
Vertical
movement of tonearm
is impeded
during set—down cycle
7
Tonearm
movements
8
Tonearm lift (cue
control)
8
Tonearm misses edge of record
9
Tonearm
strikes record during change cycle
9
Tonearm does not
move onto record
when drop cycle is
started
9
Tonearm lowers
too quickly
when drop cycle is
started
9
Tonearm
returns to
rest immediately
after being
placed an record
manually 9
Start cycle
9
Manual start
10
Stop
switching
10
Muting
switch
11
Record
drop
11
Shut—off
and change cycle
11
Shut—off
mechanism
12
Turntable
stops after
automatic setdown
of the tonearm
12
Last record keeps repeating
12
Record does
not drop when
unit is switched
to "start"
13
Record drops when unit
is switched to "stop"
13
Records do not
drop
13
Switch
latches into
"stop"
position when
tonearm is at rast
14
During change,
stop and
start
operations, noises
from the
mechanism can
be
head in system speaker
14
No sound
14
Motor
will not
shut—off when
tonearm is on arm
rest
14
Acoustic feedback
14
Lubrication
15
Replacement parts and
exploded views
16-22
3

Dual 1211 Specifications

General

Weight	6.5 kg
Speeds	33, 45 RPM
Platter	Aluminum
Wow and Flutter	<0.15%
Drive Type	Idler Wheel Drive