Dual CS 626 Service Manual

Fig. 11
Fitting a 1/2 inch
cartridge
If a
cartridge
with
1/2 inch standard
mount is to be fitted, the
conversion kit 39
Number 262 186 is
necessary. The proper me-
thod
of fitting is
shovvn in
fig.11.
Also the
decorative cover should
be removed from the
counter-
weight 40 and should be
fitted with the
compensatory weight to
be
found in the
conversion kit 39.
Any
alteration can only
be carried out
with the aid of a
Dual-
Skate-O.Meter
and a test record and
should only be
done by an
authorized service
station.
Anti skating Device
To
compensate for
skating force use the
knurled ring
76. The
asymmetric cam plate
displaces the
skating lever 183 from
the
tonearm pivoting
point. The
anti-skating force is
transmitted to
the segment 185
and to the tonearm
73 by tension
spring 187.
Optimum adjustment
is carried out at
the factorys for
styli
having a tip radius of 15 prn
(conical),
5/6
and
18/22 pm
(ellipti-
cal).
Any alteration
can only be carried
out with the aid of
a Dual -
Skate -O -Meter and a test record
and should
only
be done by an
authorized service station.
Cue
Control
By
moving the lever 203 forvvard ( V1 lift
cam 204
rotates. The
slide bar 190 transmits
the lifting m — ovement to
the lift pin, that
raises
the tonearm. As a result, the cue
control permits raise up
the tonearm at any desired point.
The
lever is released by moving the cue
control lever rear wards
( I/.
As a
result of the action of
compression spring
181 the lift
pin is brought back to
its normal position and the tonearm
lovveres slovvly Lovvering of the tonearm is damped by
silicone
oi l in
the lift tube.
The lift can be varied by turning the sleeve 60. The distance
between the record and the needle should be
5.
7 mm.
Replacement of Cue Control
Plate
Replace cue control
plate 163 as follows:
1 Clamp unit in the
repair jig. and lock tonearm. Turn unit in
heacr position.
2 Remove safety
washer 179. Lift off main lever
178 and
bearing
support 177.
3 Remove
safety washer 191. Lift off
positioning bar 190 and
rotary
bearing 189 and turn
towards motor 141.
4
Remove both machine screws 195,
remove lift plate compl.
163.
For instal
lation proceed in the reverse
order.
Mut ing
Switch
To prevent
disturbing noises during automatic operation of the
tonearm
the
unit is fitted with a muting switch.
Control of the
switch springs for both channels is effected by the
camvvheel.
With the unit
in neutral state the short circuit of the pick -up
leads is
eliminated.
Adjustment
In zero position of the cam there should be a clearance of ap-
proximately 0.5 mm between the contacts of the
muting switch.
This clearance should be adjusted by bending the
muting switch
contacts. The contacts should be sprayed with a suitable cleaning
agent.
8

Dual CS 626 Specifications

General

Brand	Dual
Model	CS 626
Category	Turntable
Language	English